MHC-DX20diagramas.diagramasde.com/audio/MHC-DX20.pdfFM estéreo, sintonizador super-heteródino de FM/AM Sintonizador FM Faixa de Sintonização 87,5 – 108,0MHz Antena Antena monofilar

MHC-DX20Brazilian ModelMANUAL DE SERVIÇO

SISTEMA COMPACTO DE SOM

Modelo que usa mecanismo similar MHC-DX30

Seção Tipo do Mecanismo do CD CDM58B-K6BD38

CD Base da Unidade BU-K6BD38

Nome da Unidade Óptica KSM-213DCP

Seção Modelo que usa mecanismo similiar Novo

Toca-Fitas

ESPECIFICAÇÕES TÉCNICAS - VER PÁGINA SEGUINTE

Foto: MHC-DX20

Versão 1.0 02.2002

Especificações TécnicasAmplificadorMHC-DX20Potência de Saída RMS 60 + 60 watts

(6 ohms a 1kHz, 10%THD)Potência de Saída PMPO 1.300WMHC-DX20Potência de Saída RMS 60 + 60 watts

(6 ohms a 1kHz, 10%THD)Potência de Saída PMPO 1.300WMHC-DX10BPotência de Saída RMS 50 + 50 watts

(6 ohms a 1kHz, 10%THD)Potência de Saída PMPO 1.100WEntradasMD/VIDEO (AUDIO) IN (tomadas RCA):

sensibilidade 450/250mV,impedância 47 kilohms

GAME (AUDIO) IN (tomada RCA)

sensibilidade 450mV,impedância 47 kilohms

MIC (minitomada)

sensibilidade 1mV,impedância 10 kilohms

SaídasPHONES (minitomada estéreo):

aceita fone de ouvido de8 ohms ou mais

SPEAKER: aceita impedância de 6a 16 ohms

Reprodutor de CDsSistema Sistema áudio digital

de disco compactoLaser Laser semicondutor

(λ=780nm)Duração da emissão:contínua

Saída Laser Máx. 44,6µW**Esta saída é o valormedido a uma distância de200mm da superfície dalente objetiva no bloco dereprodução óptica com7mm de abertura.

Resposta de Freqüência 2Hz – 20kHz (±0,5dB)Comprimento de Onda 780 – 790nmRelação Sinal-Ruído Maior que 90dBFaixa Dinâmica Maior que 90dBSAÍDA ÓPTICA DIGITAL DE CD(Tomada de conector quadrado no painel traseiro)

Comprimento de Onda 660nmNível de Saída –18dBm

Reprodutor de FitasSistema de Gravação 4 pistas, 2 canais estéreoResposta de Freqüência 40 – 13.000Hz (±3dB),

utilizando fita casseteSony tipo I (normal)

Wow e Flutter menor que 0,3%W.RMS (DIN)

RádioFM estéreo, sintonizador super-heteródino de FM/AM

Sintonizador FMFaixa de Sintonização 87,5 – 108,0MHzAntena Antena monofilar de FMTerminais da Antena 75 ohms, não balanceadoFreqüência Intermediária 10,7MHz

Sintonizador AMFaixa de Sintonização 530 – 1.710kHz (com

intervalo de freqüênciaajustado em 10kHz)531 – 1.710kHz (comintervalo de freqüênciaajustado em 9kHz)

Antena Antena Loop de AMTerminais da Antena Terminal da antena externaFreqüência Intermediária 450kHz

Caixas Acústicas

Modelo SS-DX20 para MHC-DX20Sistema 2 vias, tipo bass-reflexUnidades de Alto-FalantesWoofer: 13cm, tipo coneTweeter: 5cm, tipo coneImpedância Nominal 6 ohmsDimensões (LxAxP) Aprox. 200 × 325 × 222mmPeso Líquido Aprox. 3,2kg cada caixa

Modelo SS-DX10B para MHC-DX10BSistema 2 vias, tipo bass-reflexUnidades de Alto-FalantesWoofer: 13cm, tipo coneTweeter: 5cm, tipo coneImpedância Nominal 6 ohmsDimensões (LxAxP) Aprox. 200 × 325 × 203mmPeso Líquido Aprox. 2,9kg cada caixa

GeralAlimentação 127 / 220V CA, 60Hz

Ajustável com seletorde voltagem

Consumo MHC-DX20: 110 watts

Dimensões (LxAxP) Aprox. 280 × 325 × 421mmPeso HCD-DX20: Aprox. 8,5kg

Acessórios Fornecidos: Antena Loop de AM (1)Controle Remoto (1)RM-SR210 RM-SR200B (MHC-DX10B)

Pilhas tipo AA (2)Antena monofilar de FM (1)Pés de apoio para as

caixas acústicas (8)Projeto e especificações técnicas sujeitos à alteraçãosem prévio aviso.

2

MHC-DX20

3

MHC-DX20

Este aparelho é classificado como um produto LASER CLASSE 1.O símbolo do produto laser classe 1 está localizado na parte posteriorexterna do aparelho.

O componente laser desse produto é capaz de emitir radiação, excedendo o limite daClasse 1.

AtençãoO uso dos controles, ajustes ou execução de procedimentosque não sejam os descritos nesse manual, podem causar exposiçãoa uma perigosa radiação.

Notas sobre substituição de componentes tipo chip• Nunca reutilize um componente tipo chip.• Informamos que os capacitores eletrolíticos de tântalo podem

ser danificados se expostos a altas temperaturas.

Notas sobre o reparo da placa de circuito impresso• Mantenha a temperatura do ferro de solda por volta de 270˚C

durante o reparo.• Não ressolde componentes em um mesmo ponto da placa mais

de três vezes.• Tenha cuidado para não forçar os condutores (trilhas) da placa

durante o processo de soldagem e dessoldagem.

NOTAS SOBRE O MANUSEIO DA UNIDADE Ó PTICA

O diodo laser da unidade óptica é sensível a descargas eletroestáticaspodendo ser danificado por descargas causadas por roupas ou mes-mo pelo corpo humano. Durante o reparo tenha cuidado para nãocausar danos a unidade, devido a descargas eletroestáticas e sigacorretamente os procedimentos descritos nesse manual para a exe-cução de reparos e troca de componentes. As placas de circuito im-presso são facilmente danificadas, tenha muito cuidado para manu-seá-las.

NOTAS SOBRE O DIODO EMISSOR DE LASER

O feize laser nesse modelo é concentrado e deve ser focado na super-fície reflexiva do disco, pela lente objetiva da unidade óptica. Quan-do observar a emissão do diodo laser, tome o cuidado de estarno mínimo a 30 cm da lente objetiva.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITHMARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTSLIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY.

ATENÇÃO COM OS COMPONENTES DE SEGURANÇA !

OS COMPONENTES IDENTIFICADOS COM A MARCA 0 NOSDIAGRAMAS ESQUEMÁTICOS E NA LISTA DE PEÇAS SÃOCRÍ TICOS PARA A SEGURANÇA. SOMENTE OS SUBS-TITUA POR PEÇAS NUMERICAMENTE IDENTIFICADAS NES-SE MANUAL OU EM SUPLEMENTOS PUBLICADOS PELASONY.

4

MHC-DX20

Í N D I C E

VERIFICAÇ ÃO DE SEGURANÇA

Depois de corrigido o problema de manutenção original, exe-cute as seguintes verificações de segurança antes de liberar o apa-relho para o consumidor: verifique os terminais de antena, o acaba-mento metálico, os botões "metalizados", os parafusos e outras pe-ças de metal expostas, para verificar se não há fuga AC:

FUGA

A fuga de AC de alguma parte do metal exposta à terra e de todas aspartes de metal expostas que tenham retorno ao chassi, não deve exceder 0,5mA (500 micro-amperes). A corrente de fuga pode sermedida por qualquer um dos três métodos abaixo:

1. Um aparelho medidor de fuga, como o Simpson 229 ou o RCAWT-540A. siga as instruções dos fabricantes para usar esses ins-trumentos.

2. Um miliamperímetro operado a bateria. O multímetro digital Data Precision 245 é adequado para esse serviço.

3. Medindo a queda de tensão através de um resistor por meio de um multímetro ou de um voltímetro de AC operado a bateria. A indicação de limite é de 0,75 V, desse modo os medidoresanalógicos precisam ter uma escala precisa de baixa tensão. OSimpson 250 e o Sanwa SH-63Trd são exemplos de multí-metros operados a bateria, que têm uma faixa de 2V AC, sãoadequados.

Terra

Voltímetro de AC(0.75V)1.5kΩ0.15µF

Fig. A. Usando um voltí metro AC para verificar a corrente de fuga.

Para peç as expostasno aparelho

PARTS No.1. NOTA DE SERVIÇO ..................................................... 5

2. GERAL ............................................................................... 6

3. DESMONTAGEM ........................................................... 8

4. MODO DE TESTE......................................................... 14

5. AJUSTES ELÉTRICOS .............................................. 18

6. DIAGRAMAS6-1. Localização das Placas de Circuito ................................ 216-2. Diagrama em Bloco - Seção Tuner .................................. 22

Diagrama em Bloco - Seção Principal ............................. 236-3. Placa de Circuito Impresso - Seção BD............................ 246-4. Diagrama Esquemático - Seção BD ............................... 256-5. Placa de Circuito Impresso - Seção Principal ................... 266-6. Diagrama Esquemático - Seção Principal (1/5) – ............ 276-7. Diagrama Esquemático - Seção Principal (2/5) – ........... 286-8. Diagrama Esquemático - Seção Principal (3/5) – ........... 296-9. Diagrama Esquemático - Seção Principal (4/5) – ........... 306-10. Diagrama Esquemático - Seção Principal (5/5) – ........... 316-11. Placa de Circuito Impresso - Seção Power Amp .............. 326-12. Diagrama Esquemático - Seção Power Amp..................... 336-13. Placa de Circuito Impresso - Seção Painel ....................... 346-14. Diagrama Esquemático - Seção Painel ............................. 356-15. Placa de Circuito Impresso - Seção Trans ........................ 366-16. Diagrama Esquemático - Seção Trans .............................. 376-17. Placa de Circuito Impresso - Seção Driver ....................... 386-18. Diagrama Esquemático - Seção Driver.............................. 386-19. Descrição dos Pinos dos IC's ............................................ 396-20. Diagrama em Bloco dos IC's............................................. 42

7. VISTAS EXPLODIDAS7-1. Seção Principal.................................................................. 457-2. Painel Frontal ................................................................... 467-3. Chassis .............................................................................. 477-4. Mecanismo do CD ........................................................... 48

8. LISTA DE PEÇAS ELÉTRICAS ............................. 49

5

MHC-DX20SEÇÃO 1

NOTA DE SERVIÇO

1 Connector 13p (CN712)

2 Corte os sete pontos de plástico derretido usando um alicate de corte.

4 Corte os seis pontos de plástico derretido usando um alicate de corte.

3 Placa Panel

5 Placa Key

Placa PANEL(três furos para parafusos)

Placa KEY(oito furos para parafusos)

Furo do Parafuso

Ao invés de reinstalar as placas conforme estavam, fixe-asusanso parafusos (+BVTP 2.6 × 8 ) usando os furos indica-dos. Não aperte os parafusos excessivamente.

* A placa PANEL e a placa KEY são conectadas ao painel frontal por pontos de solda plástica.

Nota para instalação da placas PANEL e KEY

REMOVENDO A PLACA PANEL E A PLACA KEY

Solda Plástica

6

MHC-DX20

Esta seç ão foi extraí da do manual de instruções.

SEÇ ÃO 2GERAL

Aparelho

1 Tecla ?/1 (power)(págs. 9˜10, 19, 24, 27, 29)

2 Tecla GAME EQ* (pág. 20)3 Tecla GROOVE (pág. 20)4 Tecla EFFECT ON/OFF

(págs. 20˜21)5 Teclas v/V/b/B

(págs. 10, 19, 21, 24)6 Tecla MUSIC EQ (pág. 20)7 Tecla DISPLAY (págs. 10˜11)

Tecla EDIT (pág. 18)Tecla PLAY MODE

(págs. 12˜13)Tecla REPEAT (pág. 12)Tecla SPECTRUM (pág. 22)Tecla STEREO/MONO

(pág. 15)Tecla TUNER MEMORY

(pág. 14)Tecla DIRECTION

(págs. 16˜18)8 Gaveta de CDs (pág. 11)9 Tecla MOVIE EQ (pág. 20)0 Tecla ENTER

(págs. 10, 13˜14, 18˜19, 24)

qa Tecla P FILE (pág. 21)qs Tecla CD (págs. 12˜13, 17˜18)qd Tecla TUNER/BAND

(págs. 14˜15)qf Tecla TAPE A/B (págs. 16˜17)qg Tecla MD (VIDEO)

(págs. 25, 27)qh Controle de VOLUME (pág. 27)qj Tecla Z OPEN/CLOSE

(págs. 11˜12)qk Tomada PHONESql Tecla Z (deck B) (pág. 16)w; Deck B (págs. 16˜19)wa Teclas DISC 1˜3 (págs. 12˜13)ws Tecla M (avanço rápido) /

TUNING + (págs. 12, 14˜16)wd Tecla REC PAUSE/START

(págs. 17, 23)wf Tecla CD SYNC (págs. 17˜18)wg Tecla . (retrocesso) /

PRESET – (págs. 12˜16)Tecla x (parada)

(págs. 12˜13, 16˜17)Tecla nN* (reprodução)

(págs. 12˜13, 16˜18)

Tecla N** (reprodução)(págs. 12˜13, 16˜18)

Tecla X (pausa)(págs. 12, 16, 18)

Tecla > (avanço) /PRESET + (págs. 12˜16)

wh Tecla m (rebobinamento) /TUNING – (págs. 12, 14˜16)

wj Controle MIC LEVEL*(pág. 22)

wk Tecla Z (deck A) (pág. 16)wl Deck A (pág. 16)e; Tomada MIC* (pág. 22)ea Tecla DISC SKIP EX-CHANGE

(págs. 11˜12)es Tecla KARAOKE PON*

(pág. 22)ed Tomadas AUDIO* (pág. 25)ef Tomada VIDEO* (pág. 25)eg Tecla GAME* (págs. 22, 25)

* Somente para MHC-DX30 /MHC-DX20.

** Somente para MHC-DX10B.

ql

w;

qj

qh

qk

qg

qd

qfeg

ef

ed

es

e;

wl

ea

wawswdwfwgwhwjwk

1 2 3 4 65 8 9 q; qa qs7

ParaMHC-DX30MHC-DX20

ou

ParaMHC-DX10B

7

MHC-DX20

Controle Remoto

5

6

7

8

9

0

qa

qs

1 2 34

qdqf

qg

qh

ql

qk

qj

CD qjCLEAR 6CLOCK/TIMER SELECT 2CLOCK/TIMER SET 3D.SKIP qlEFFECT ON/OFF qaENTER qfGAME qk

MD (VIDEO) 9P FILE qdPRESET EQ qgSLEEP 1SURROUND 0TAPE A/B 8TUNER/BAND qhVOL +/– 7

Descrição dos Botões

v/V/b/B qsM (fast forward)/TUNING

+ 5. (go back)/PRESET

– 5?/1 (power) 4x (stop) 5nN (play) 5X (pause) 5> (go forward)/PRESET

+ 5m (rewind)/TUNING – 5

4 Pressione ENTER.

5 Pressione v or V repetidamente para ajus-

6 Pressione B.A indicação de minuto piscará.

7 Pressione v ou V repetidamente para ajustaros minutos.

8 Pressione ENTER.

DicaSe você cometer um erro ou quiser mudar a hora, inicie pelopasso 1.

NotaAs configurações de relógio serão canceladas se você desconectaro cabo de força da tomada ou ocorrer uma falha de energia.

Ajustando a Hora

1 Ligue o aparelho.

2 Pressione CLOCK/TIMER SET no controleremoto.Proceda o passo 5 quando “CLOCK” aparecer no display.

3 Pressione v ou V repetidamente para selecionar "SET CLOCK”.

tar a hora.

8

MHC-DX20SEÇÃO 3

DESMONTAGEM

3-1. GABINETE (LADO DIREITO, LADO ESQUERDO, TAMPA)

Nota : Desmonte o aparelho seguindo a ordem abaixo.

Nota : Siga o procedimento de desmontagem na ordem numérica dada.

Placas Driver, Motor e Address sensor .

Seção Chassis

Gabinete (Lado direito, lado esquerdo, tampa)

CD Door

Painel Frontal

Mecanismo do CD(CDM58B)

Placa KeyPlaca PainelMecanismo Toca-Fitas

Placa Sub trans, Video out , painel traseiro, transformador (placa Trans )

Placa PRINCIPAL, Placa Power amp

Base da unidade, placa BD

Aparelho

Lado Direito

Lado Esquerdo

5

qd

qs

qs

q;

Tampa

6 Dois Parafusos (Case 3 TP2)

8 Parafuso (+BVTP 3 × 10)


9 Parafuso (+BVTT 3 × 8)

4 Parafuso (+BVTT 3 × 8)

1 Dois parafusos (Case 3 TP2)

qa Quatro Parafusos (+BVTP 3 × 10)

7 Parafuso (Case 3 TP2)

2 Parafuso (Case 3 TP2)

9

MHC-DX20

3-2. CD DOOR

3-3. PAINEL FRONTAL

2 Puxe a bandeja de discos para fora.

1 Gire o mecanismo na direção indicada pela seta.

mecanismo

CD door

lado do painel frontal

Mecanismo do CD (CDM58B)

3

qd

qs

5

Mecanismo do CD (CDM58B)

Painel Frontal

q; Conector (B Deck)

9 Conector (A Deck)

7 Conector (CN714)

6 Cabo tipo flat (CN2)


2 Conector (CN701)

qa Três parafusos (+BVTP 3 × 6)




Chassis

10

MHC-DX20

3-4. MECANISMO DO TOCA-FITAS

3-5. PLACA PAINEL

1 Seis Parafusos (+BVTP 2.6 × 8)

2 Mecanismo do Toca-Fitas

1 botão volume

2 anel do botão volume

4 Connector (CN712)

Nota: Quando fixar a placa do painel, veja a nota de serviço na página 5.

6 Panel board

3

5 Corte os sete pontos de conexão com um alicate de corte.

11

MHC-DX20

3-6. PLACA KEY

3-7. PLACA SUB TRANS , TRANS , SENSOR E VIDEO OUT.

2 Placa Key

1 Corte os seis pontos de conexão com um alicate de corte.

6 Dois parafusos (+BVTT 4 × 6)

qf Cinco Parafusos (+BVTP 3 × 10)

qg Dois Parafusos (+BVTT 3 × 6)

qh

qj Dois Parafusos (+BVTP 3 × 10)

q; Dois parafusos (+BVTP 3 × 10)

ql Parafuso (+BVTP 3 × 10)Painel Traseiro

7 Dois Parafusos (+BVTT 4 × 6)

8 Transformador de forç a (T911)

5 Connector 13P (CN915)

1 Conector 4p

2 Conector 3p (CN903)


qd Placa Sensor

qs Cover (Duct)

w; Placa Video out

qa Parafuso (+BVTP 3 × 10)

4 Sub trans board

qk ventilador DC (M961)

Trans board

3 Dois parafusos (+BVTP 3 × 10)

12

MHC-DX20

3-8. PLACAS PRINCIPAL E POWER

3-9. BASE DA UNIDADE

4 Trê s Parafusos (+BVTT 3 × 6)

6 Dois parafusos (+BVTT 3 × 6) 7 Dissipador

3 Dois parafusos (+BVTP 3 × 16)

1 Dois Parafusos (+BVTT 3 × 6)

2 Placa Principal

5 Placa Power

Placa Principal

Base da Unidade

qa

9 Dois parafusos (+PTPWH M2.6)

1 Parafuso (+PTPWH M2.6)

q; Parafuso (DIA. 12)

7 Dois parafusos (+BVTP 2.6 × 8)

6 Placa BD

qs Dois isoladores

2 Holder montado

qs Dois Isoladores

8 Dois stoppers (BU)

3 Cabo Tipo Flat 19p (CN101)


5 Parafusos (+BVTP 2.6 × 8)

13

MHC-DX20

3-10. PLACAS DRIVER , MOTOR e ADDRESS SENSOR.

9 Puxe a bandeja de discos

4 Dois Parafusos (+BVTP 2.6 × 8)

q; Parafuso (+PTPWH 2.6 × 8)

qa bandeja

1 Parafuso (+BVTP 2.6 × 8)

qs Parafuso (+BVTP 2.6 × 8)

6 Cabo tipo flat 8p (CN721)

3 Cabo tipo flat 8p (CN702)

8 Placa Motor

qd Placa Address sensor

2 Placa Driver

5 Remova as duas soldas do motor.


14

SEÇÃO 4MODO DE TESTE

[MC Cold Reset]• O cold reset limpa todos os dados, imcluindo os armazenados

na RAM ao inicializar o aparelho. Execute este modo quando fordevolver o aparelho ao cliente.

Procedimento:1. Aperte os botões x , ENTER , e ?/1 simultaneamente.2. O tubo fluorescente mostrará “COLD RESET” e o

modo terá sido executado.

[CD Ship Mode]• Este modo move a unidade para uma posição segura para o

transporte. Execute-o quando for devolver o aparelho aocliente.

Procedimento:1. Tecle 1/ u para ligar o aparelho.2. Tecle CD junto com 1/ u (simultâneamente).3. Depois do "STANDBY" piscar seis vezes, a mensagem

“LOCK”é mostrada no tubo fluorescente, entãoo aparelho estara no CD Ship Mode.

[MC Hot Reset]• Este modo limpa a memória, eliminando todos os dados e

programações armazenados, algo similar a desligar o cabo dealimentação da tomada e reconectá-lo depois.

Procedimento:1. Tecle os botões x , ENTER , e DISC 1 simultaneamente.2. O tubo fluorescente apagara por um instante e a memória

do aparelho estará limpa.

[CD Service Mode]• Este modo permite que o CD Sled Motor corra livrimente.

Use-o para limpar a unidade.Procedimento:1. Tecle ?/ 1 para ligar o aparelho.2. Selecione a função “CD”.3. Tecle os botões x , ENTER , e OPEN/CLOSE simul-

taneamente.4. O Modo CD Service é selecionado.5. Com o CD parado, gire o knob shuttle no sentido horário para

mover a unidade para fora e no sentido anti-horário paramover a unida para dentro.

6. Para sair deste modo faça o seguinte:1) Mova a unidade para a posição da faixa mais interna.2) Pressione os botões do passo 2 de forma analoga.

Nota: • Sempre posicione a unidade na posição da faixa mais interna parasair deste modo. Do contrário, um disco não poderá ser lido.

• Não use (mova) o sled motor excessivamente, pois pode causar odesgaste das engranagens.

[VACS ON/OFF Mode]• Este modo é usado para chavear o VACS (Variable Attenuation

Control System) em ON ou OFF.

Procedimento:Pressione ENTER e SPECTRUM simultaneamente. A mensa-gem “VACS OFF” ou “VACS ON” aparecerá no display.

[Variando o passo do AM entre 9 kHz e 10kHz]10 kHz]• O passo de seleção de frequência do AM pode ser de 9kHz

ou de 10 kHz.Procedimento:1. Tecle ?/ 1 para ligar o aparelho.2. Selecione a função “TUNER”, e tecle TUNER/BAND

para selecionar a faixa “MW”.3. Press ?/1 button to turn the set OFF.4. Tecle ENTER e ?/1 simultaneamente, e o display fluores-

cente indicará “MW 9 k STEP” ou “MW 10 k STEP”.O valor indicado será o novo passo nesta faixa.

[GC Test Mode]• Este modo é usado para verificar a versão de software, o tubo FL, os

LED"s, as teclas e os VACS.Procedimento:1. tecle os botões x , ENTER , e DISC 2 simultaneamente.2. Todos os LED's e o todo otubo fluorescente acendem.3. Para visualizar o mode de exibição da vesão do software,

tecle DISC 1 . O número do modelo e o destino serão exibidos.4. Sempre que DISC 1 é apertado, a sequência de exibição começa:

versão do MC, versão do GC, versão do VC, versão do CD, versãodo CM, versão do ST, versão do TC, versãoo do TA, versão do TM eversão do BRnesta ordem, e retorna ao número do modelo ee o destino.

5. Tecle DISC 3 e uma sequência de números começará a ser exi-bida, exceto o número do modelo e o destino. São mostrados o ano, o mês, e o dia da criação do software. Quando DISC 3 éteclado novamente, o display retorna à versão do software.Tecle DISC 1 enquanto aparece o ano, o mês e o dia da criaçãodo software e aparecerá o ano, o mês e o dia da criaçãoda versão do software,sendo exibida na mesma ordem que a jáexibida anteriormente.

6. Tecle DISC 2 e o modo de verificação das chaves é ativado.7. No mode de verificação das chaves, o tubo fluorescente mostrará

“KEY0 VOL0”. Cada vez que um botão for precionado, o valor de“KEY”aumenta, todavia, uma vez que um botão foi apertadoele não voltará a ser contado.O valor do “VOL” aumenta de 1, 2, 3 ... se rodado o VOLUMEno sentido “+” ou decresce de 0, 9, 8 ... se rodado nosentido “–”.

8. Quando DISC 3 é pressionado depois de todos os LEDs e dotubo fluorescente acenderem, aparece o valor dos VACS.

9. Para sair deste modo pressione as três teclas indicadasno passo 1 ou desconecte o cabo de alimentação da tomada.

MHC-DX20

15

[MC Test Mode]• Este modo é utilizado para verificar as operações das seçõesdo amplificador, do tuner, do CD e do toca-fitas.

Procedimento:1. Pressione ?/ 1 para ligar o aparelho.2. Pressione os botões x , ENTER e DISC 3

simultaneamente.3. A messagem “TEST MODE” aparecerá no tubo FL4 Tecle f (CURSOR UP) e o GEQ vai para o valor máximo

e a mensagem “GEQ ALL MA” aparece.5. Tecle F (CURSOR DOWN) e o GEQ vai para o valor mínimo

e a mensagem “GEQ ALL M1” aparece.6. Tecle g (CURSOR LEFT) ou G (CURSOR RIGHT) e o GEQ

é posicionado em flaat, e a mensagem “GEQ FLAT”aparece.

7. Quando o knob do VOLUME é girado no sentido horário,o volume aumenta até o máximo e a mensagem"VOLUME MAX" é exibida por dois segundos, então,o display retorna a exibição original.

8. Quando o knob do VOLUME girado no sentido anti-horário,o volume diminui até o mínimo e a mensagem"VOLUME MIN" é exibida por dois segundos, então,o display retorna a exibição original.

9. No modo de teste, o canal default-preset é chamado quando oTUNER é selecionado e uma tentativa é feita para selecionarcanal que foi armazenado na memória, usando o knobShuttle. (Ista indica que a memória esta limpa.)

10. Selecionando CD e teclando EDIT o disco que esta paratocar, neste momento, começa a seleção default.Isso indica que o disco default somente é acessado, quando umoutro disco é selecionado e a indicação no display mostraconcordância. Por algum tempo, os DISK SKIP EX-CHANGE e o OPEN/CLOSE não podem ser acessados.Isto indica que ao motor da bandeja e o de rotaçãoestão fora de operação.)

11. Quando uma fita é colocada no Deck B e a gravação é inicializada,a função VIDEO ém se lecionada automaticamente.

12. Tecle x e a gravação para, o toca-fitas (Deck B) ée a fita é rebobinada, usando o knob Shuttle, a fitaé rebobinada até aproximadamente onde começou a gravação,e a fita começa a ser tocada automaticamente. Se umapausa é inserida durante a gravação, a fita é rebobinadaaté a posição onde a pausa foi inserida.

13. Teclando CD SYNC HI-DUB durante a reprodução do deckB, pode-se selecionar a velocidade normal ou a velocidadealta.

14. Selecione a função loop, teclando PLAY MODE .Insira uma fita de teste AMS-110A ou AMS-RO no deck A.

15. Pressione SPECTRUM para entrar no Modo de Teste AMS.16. Depois de uma fita se rebobinada, o FF AMS é verificado, e o

mecanismo é desligado, depois de detectado o sinal de AMS duas vezes.17. O REW AMS é verificado depois que o mecanismo é

desligado.18. Quando a verificação termina, a menssagen OK ou NG

aparece.19. Para sair do modo de teste. pressione ?/ 1 duas vezes.

O cold reset é executado.

[versã o do Microprocessor ]• Esta operação é feita durante o modo POWER OFF.

1. Quando os botões STOP , ENTER , V (CURSOR DOWN)são pressionados ao mesmo tempo, a versão do microprocessador MC e GC são mostradas no display como “M1.00 G1.00”.

2. Quando os botões STOP , ENTER , v (CURSOR UP) sãopressionados ao mesmo tempo, o modelo e destino são mostradosno display como “BG1 AS1A3”.

MHC-DX20

16

[Aging Mode]Este modo é utilizado para verificar o funcionamento da CD e do toca-fitas• Se um erro ocorrer:

A operação de aging para e aparece uma mensagem.• Se não ocorrer nenhum erro:

A operação de aging será repetida continuamente.

1. Método de operar o modo de agingLigue o aparelho e selecione a função "CD".1) Selecione o DISC1. Selecione ALL DISC CONTINUE, e REPEAT OFF.2) Carregue uma fita no deck A e outra no deck B.3) Tecle os botões x , ENTER , e

DISC SKIP/EX-CHANGE simultaneamente.4) A operação de aging do CD é inicializada depois de algum tempo.5) Para sair do modo de aging, execute o [MC Cold Reset].

3. Modo de aging na seção CD1) Exibe o estado• Sem ocorrer erros

Nota:[*][*][*][*] : Número de operações de aging

Display de ERROS

E **s ## $$ %%12 3 4 5

• Quando os botões x , ENTER e DISC 1 são pressionados simultaneamente, o númro de vezes que ocorreram erros de mecanismo e deNO DISC, pode ser verificado.Display: EMC**EDC** **: Número de vezes que ocorreu o erro (Maximo de três vezes)

EMC: Erro do mecanismoEDC: Erro NO DISC

• Quando o aging é completado, execute o MC Cold Reset para limpar o histórico de erros.

D: Sem indicação de disco

01: FOCUS ERROR02: GFS ERROR03: SETUP ERROR

01: NO DISC julga sem prender o disco02: NO DISC julga após prender o disco

Indica o tempo do julgamento do NO DISC(Somente dgitos de ordem alta)1: STOP2: SETUP3: TOC READ4: ACCESS5: PLAY BACK6: PAUSE7: MANUAL SEARCH (PLAY)8: MANUAL SEARCH (PAUSE)

AGING[*][*][*][*]

1 **

2 s

3 ##

4 $$

5 %%

M: Erro de mecanismo

Sem problemas

Somente dígitos de ordem altaD: Para durante o fechamento, devido a problemas não mecânicos.E: Para durante a operação, devido a problemas não mecânicos.C: Para durante o carregamento do disco, devido a problemas não mecânicos.F: Para durante o "EX-opening" devido a problemas não mecânicos

Informação de Erro de Emergêncial (Somente dgitos de ordem alta)1: Para durante o carregamento.2: Para durante o descarregamento.3: Tempo excessivo para o EX-OPEN5: Tempo excessivo para o EX-CLOSE

O erro No. 00 indica não haver erro. Como o No. do erro aumenta, isto indica a ordem dos erros.Para ver o hstórico dos erros, pressione o botão PLAY MODE para o caso de erro do mecanismo.ou pressione REPEAT para o caso de erro NO DISC.

Display

MHC-DX20

17

2) Operação durante o modo de agingNo modo de aging, o programa é executado na seguinte seque-quência.(1) A bandeja de discos abre e fecha.(2) O mecanismo acessa o DISC 2 e faz uma tentativa de ler

TOC. Toda via, se não houver discos, a menssagem“CD2 NO DISC” aparecerá.

(3) O mecanismo acessa o DISC 3 e a menssagem “CD3 NODISC” aparece.

(4) A bandeja seleciona o DISC 1.(5) Um disco é carregado.(6) O TOC do disco é lido.(7) A unidade acessa a faixa 1 e a executa por 2 segundos.(8) A unidade acessa a última faixa e a executa por 2 segundos.(9) Toda vez que se completar uma operação do aging (passos 1 a 8)

o display indicará “AGING [*][*][*][*]” aumentando ovalor do número de operações realizadas.

(10) Retorna ao passo 1.

3. Modo de Aging na Seção do Toca-fitas1) Indicação do Display• Sem ocorrer erros

Display continua em ação• Ocorrendo um erro

O display indica a última vez em que houve ação

2) Operação Durante o Modo de AgingNo modo de aging, o programa é executado na seguintesequência.(1) Rebobina os deck A e B até o início da fita e os executa.(2) Toca o deck A por 2 minutos(3) FF é executado por 20 segundos ou até o início da fita che-

gar.(4) O lado reverso da fita no deck A é executado por 2 minu-

tos.(5) A fita é rebobinada até o início.(6) Retorna ao passo 2 e executa os passos 2 a 5.

[Function Change Mode]* Alterna a entrada externa entre VÍDEO MD

Procedimento:1. Desligue o aparelho2. Pressione os botões MD/VIDEO e ?/ 1 por algum tempo.

O aparelho liga e: se estava em MD ao ser desligado, voltacomo VíDEO, e se estava como VÍDEO, retorna comoMD.

NO. Ação indicada O que faz Como termina

1 TAPE A AG-1 Rewind the TAPE A, B Vai para o início da fita

2 TAPE A AG-2 FWD play the TAPE A toca por 2 min.

3 TAPE A AG-3 F.F. the TAPE A Avança por 20 seg. ouaté o fim da fita

4 TAPE A AG-4 REV play the TAPE A toca por 2 min.

5 TAPE A AG-5 Rewind the TAPE A Vai para o incio da fita

6 TAPE B AG-2 FWD play the TAPE B toca por 2 min.

7 TAPE B AG-3 F.F. the TAPE B Avana por 20 seg. ouat o fim da fita

8 TAPE B AG-4 REV play the TAPE B toca por 2 min.

9 TAPE B AG-5 Rewind the TAPE B Vai para o incio da fita

MHC-DX20

18

Ajuste do Nível do FM Tuned

Procedimento:1. Coloque um sinal de 28 dB 98 MHz no terminal da antena.2. Sintonize em 98 MHz.3. Ajuste o RV611 no ponto (momento) em que o indicador

TUNED fica entre aceso e apagado.

Localização do Ajuste: Placa Principal

Ajuste do Null

Procedimento:1. Coloque um sinal de 60 dB 98 MHz no terminal de antena.2. Coloque o TUNED do aparelho em 98 MHz.3. Meça a tensão entre o pino 21do IC 601. Ajuste o T601 ubtil

the voltage becomes 0 V.

Localização do Ajuste: Placa Principal

Localização dos Ajustes

[PLACA PRINCIPAL] Lado Componente

FM RF SSG

75 Ω coaxial

Portadora : 98 MHzModulaç ã o : AUDIO 1 kHz, 75 kHz separaç ã o (100%)Ní vel de Saí da : 28 dB (com 75 W em aberto)

Terminal de antena FM(TM601)

aparelho

FM RF SSG

75 Ω coaxial

Portadora : 98 MHzModulaç ã o : AUDIO 1 kHz, 75 kHz separaç ã o (100%)Nível de Saída :60 dB (at 75 W open)

Terminal de antena FM(TM601)

aparelho

SEÇ ÃO CD

Nota :1. O bloco do CD é construido basicamente para operar sem ajuste,

entretanto, execute as verificações a segui, na ordem indicada.2. Use um disco conhecido.3. Use um osciloscópio com mais de 10MΩ de impedancia.4. Limpe a lente objetiva com detergente neutro quando o

sinal estiver com o valor abaixo do especificado, quandoverificado pelo método a seguir.

VERIFICAÇÃO DA CURVA-S

Procedimento :1. Conecte o osciloscópio no TP (FEO).2. Coloque em curto o TP (FEI) com o TP (VC) (use um cabo isolado)3. Coloque em curto o TP (AGCCON) com o TP (GND) (use um cabo isolado)4. Ligue o aparelho.5. Coloque um disco conhecido e verifique a atuação do foco

(o foco atua em consequência de se abrir e fechar a bandejade disco)

6. Confirme que a forma de onda no osciloscópio (S-curve) ésimétrica entre os pontos A e B e que o valor de pico a picoé de 4 ±1 Vp-p.

7. Após a verificação retire os curtos colocados nos passos 2 e 3.Nota : • Tente medir várias de forma a obter um melhor valor para a relação

de A : B ou B : A deve ser maior que 10 : 7.• Melhore a visualização do sinal aumentando o tempo de var-

redura e a intensidade do brilho.

Verificação do Nível de RF

Procedimento :1. Conecte o osciloscópio no TP (RF).2. Coloque em curto o TP (AGCCON) e o TP (GND) (use um cabo isolado)3. Ligue o aparelho.4. Coloque um disco conhecido para tocar.5. Confirme a forma de onda nos osciloscópio, o sinal deve estar

claro e verifique se o nível esta correto ou não.6. AAps a verificao retire os curtos colocados nos passos 2 .

Placa BDosciloscópio

TP(FEO)TP(VC)

simé tricos

Forma de onda da Curva-S

valor de 4 ±1Vp-p

A

B

TP(RF)TP(VC)


T101

RV661

RV101

IFT101T102

RV661:TAPE SPEED

T101:NULL

RV101:FM TUNED LEVEL

SEÇÃO 5AJUSTES ELÉTRICOS

MHC-DX20

19

Nota : Um sinal limpo de RF terá a forma de “ ◊ ” ( l o s a n g o s )podendo ser facilmente observado no centro da onda.

Verificaç ã o do Balanço de E-F

Procedimento :1. Conecte o osciloscópio entre o TP (TEO) e o TP (VC).2. Ligue o aparelho3. Coloque um disco conhecido.4. Pressione gG (Começa a tocar a faixa 1)5. Confirme os níveis B e A no osciloscópio. Devem estar

com a forma de onda conforme abaixo (tensão DC).

6. Após as verificações, remova os cabos colocados no passo 1

Verificaç ã o da Frequê ncia RF PLL Free-runProcedimento :1. Conecte o frequencímetro conforme abaixo.

2. Ligue o aparelho.3. Coloque um disco conhecido.

Confirme que o valor da frequência é: 4.3218MHz.

Forma de onda do sinal de RF

VOLT/DIV : 200mVTIME/DIV : 500ns

Nível : 1.45 ± 0.3Vp-p

TP(TEO)TP(VC)


Nível=1.3±0.6Vp-p simétrico

A (Tensão DC)

centro da forma de onda

B

0V

1 track jump waveform

Nível especificado: –– × 100=mennor que ±22%BA

Placa BD

TP (XPCK)

frequencímetro

TP(XPCK)

TP(TEO)

TP(FEO)

TP(FEI)

TP(RF)

TP(VC)

TP(DGND)

TP(AGCCON)

112

241

2021

40

60

8041

61

IC101

IC103

Localização do Ajuste

[BD BOARD] (Lado Condutor)

MHC-DX20

20

MHC-DX20SEÇÃO 5

DIAGRAMAS

Nota nos diagramas esquemáticos• Todos os capacitores estã o em µF a menos que especificados.

pF: µµF 50 WV ou menores nã o sã o indicados, exceto paraos eletrolí ticos e os de tântalo.

• Todos os resistores estã o em Ω e 1/4 W a menos que espe-

cificados diferentemente.• f : componente interno• C : designação do painel

Nota nas Placas de Circuito Impresso• X : partes extraidas do lado componente• : partes do lado que nao pode ser visto• Indicação de transistor

Nota:Os componentes identificados com a marca 0 são críti-cos para a segurança. Some nte os substitua por peçasnumericamente identificadas nesse manual.

• A : B+ Line.• B : B– Line.• H : ajuste para reparo.• Voltagens e formas de onda estã o em DC, com relação ao

terra, em condição de ausência de sinal. • Voltagens sã o obtidas com um VOM (impedâ ncia de entrada de 10Mohm.)

Variações de voltagem são verificadas dentro de uma faixa de tolerâ ncia.

• Formas de onda são obtidas com um osciloscópio.Variações de voltagem são verificadas dentro de uma faixa de tolerância.

• Números circulados referem-se a formas de onda.• Simbologia

F : FMf : AME : PB (DECK A)d : PB (DECK B)G : REC (DECK B)J : CDc : digital out

ESTA NOTA É COMUM PARA PLACA DE CIRCUITO IMPRESSO E DIAGRAMAS ESQUEMÁTICOS(Notas adicionais estão impressas nas folhas correspondentes aos diagramas e placas. )

B

Estes são omitidos

C E

Q

C

B

Estes sã o omitidos

E

Q

21

MHC-DX20

5-1. LOCALIZAÇÃO DAS PLACAS DE CIRCUITO

• FORMAS DE ONDA

1 IC102 wf STOP MODE

4.1Vp-p

2 IC401 qd STOP MODE

3 IC401 qa STOP MODE

4.0Vp-p

3.0Vp-p

222ns(4.5MHz)

63ns(16.0MHz)

31µs(32.768kHz)

1 IC701 4 STOP MODE

5.3Vp-p200ns(5MHz)

– PLACA PRINCIPAL – - PLACA PANEL -

1 IC101 yj CD PLAY MODE

6.4Vp-p59ns

(16.9344MHz)

1.2Vp-p

2 IC101 ta CD PLAY MODE

3 IC101 ra CD PLAY MODE

4 IC101 el CD PLAY MODE

400nsec/div

approx 200mVp-p

approx 170mVp-p

– PLACA BD –

placa TRANS

placa MOTOR

placa ADDRESS SENSOR

placa DRIVER

placa SENSOR

placa BD

placa VIDEO OUT

placa SUB TRANS

Placa PRINCIPAL

Placa POWER AMP

placa PANEL

placa KEY

2222

MHC-DX20

6-2. DIAGRAMA EM BLOCOSEÇÃO TUNER

: FM

: AM

: CD

• Signal Path

• RCH is omitted

: DIGITAL OUT

FM 75Ω

AM

TM101

ANT IN1 7IF OUT

8OSC OUT

5VT

FE101

ANT IN1 7IF OUT

8OSC OUT

5VT

FE101

JR109

+B A+12VQ102

10

FM OSC15

VT1 IN18

VT117

PD119

PLLIC102

12IFFM/AM7FM

14AM OSC

2VCO STOP

8IF REQ

6DO4DI

5CL

3CE

XIN1

XOUT24

X1014.5MHz

RF IFAMP

Q101CF101 CF102

T101

T102

DOD108DI

CL

CE

1

13

3

455

122

14

1511

6 7

9

RB101

19AM MIX OUT

IF OUT9

AM/IF12

AM OSC24

VCO STOP13

IF MUTE8

AM RF20

OSC22

V REG23

FM IF1

FM DET5

AM/FM FRONT-END, IFAMP, MPX

IC10111L OUT

10R OUT

AMPQ103

18AM IF INIFT101

IFT101

R-CH

AMAIN

SECTION

MUX

6TU LED

7ST LED

3FM SD ADJ

FM SD ADJRV611

X1024.332MHz

RDS DATA21

RDS INT20

ST MUTE22

ST CE25ST CLK28ST DOUT26ST DIN27

STEREO (IN)23TUNED24

MASTER CONTROL

IC401(1/2)

DO

CL

CE

DI

DI

OPTICAL PICK-UPBLOCK

A

B

C

D

E

F

LD

VC

+5V

GND

PD

VR

LDDRIVE

FOCUSCOIL

TRACKINGCOIL

Q101

RF AMP

AMTRACKING

IC103VC12

A5

B6

C7

D8

E11

F10

LD3

PD4

IC102MOTOR DRIVER

CH1OUT R

13

CH1OUT F

14

CH2OUT R

11

CH2OUT F

12

CH3OUT R

18

CH3OUT F

17

MM102SLED

MOTOR

CH4OUT R

16

CH4OUT F

15

MM101

SPINDLEMOTOR

F+

F-

T+

T-

3CH1R IN

2CH1F IN

6CH2R IN

5CH2F IN

23CH3R IN

24CH3F IN

25CH4S IN

20MUTE

MDP26

SFDR28

SRDR29

TRDR31

TFDR30

FRDR33

FFDR32

DIGITAL SIGNAL PROCESSORD/A CONVERTER

IC101

DIGITAL SERVO

60D OUT

RFAC51

17RFI

16RFO

14FE

13TE

22LD ON

21HOLD SW

RFDC43

FE39

TE41

SE40

XLON14

72L OUT 1

DIGITALOUT

OPTICAL CDDIGITAL OUT

OPTICAL

PH671

75L OUT 2

5DATA

BMAIN

SECTIONL-CH

L OUT

L-CH

7CLOK

6XLAT

2SQCK

9SCLK

20SCOR

1SQSO

27SSTP

66XTAI

67XTAO

3XRST

S101LIMITIN SW

X10116.9344MHz

CD DAT OUT35

CD CLK37

XLT42

SQ CLK33

SCOR19

SQ DAT32

XRST43

HOLD40

TBL ADDRESSSENSOR49T SENS

IC711

48BU UP/DOWN SW

46OPEN SW

47CLOSE SW

44LOAD IN

OPEN/CLOSES701

UP/DOWNS711

45LOAD OUT

MOTORDRIVE

9

7

4

2

M

IC701

M+7V

TURNMOTOR

M721

8SENS SENS34

AMFREQUENCYCOVERRAGE

FM IF

AM IF

2222

MHC-DX20

6-2. DIAGRAMA EM BLOCOSEÇÃO TUNER

: FM

: AM

: CD

• Signal Path

• RCH is omitted

: DIGITAL OUT

FM 75Ω

AM

TM101

ANT IN1 7IF OUT

8OSC OUT

5VT

FE101

ANT IN1 7IF OUT

8OSC OUT

5VT

FE101

JR109

+B A+12VQ102

10

FM OSC15

VT1 IN18

VT117

PD119

PLLIC102

12IFFM/AM7FM

14AM OSC

2VCO STOP

8IF REQ

6DO4DI

5CL

3CE

XIN1

XOUT24

X1014.5MHz

RF IFAMP

Q101CF101 CF102

T101

T102

DOD108DI

CL

CE

1

13

3

455

122

14

1511

6 7

9

RB101

19AM MIX OUT

IF OUT9

AM/IF12

AM OSC24

VCO STOP13

IF MUTE8

AM RF20

OSC22

V REG23

FM IF1

FM DET5

AM/FM FRONT-END, IFAMP, MPX

IC10111L OUT

10R OUT

AMPQ103

18AM IF INIFT101

IFT101

R-CH

AMAIN

SECTION

MUX

6TU LED

7ST LED

3FM SD ADJ

FM SD ADJRV611

X1024.332MHz

RDS DATA21

RDS INT20

ST MUTE22

ST CE25ST CLK28ST DOUT26ST DIN27

STEREO (IN)23TUNED24

MASTER CONTROL

IC401(1/2)

DO

CL

CE

DI

DI

OPTICAL PICK-UPBLOCK

A

B

C

D

E

F

LD

VC

+5V

GND

PD

VR

LDDRIVE

FOCUSCOIL

TRACKINGCOIL

Q101

RF AMP

AMTRACKING

IC103VC12

A5

B6

C7

D8

E11

F10

LD3

PD4

IC102MOTOR DRIVER

CH1OUT R

13

CH1OUT F

14

CH2OUT R

11

CH2OUT F

12

CH3OUT R

18

CH3OUT F

17

MM102SLED

MOTOR

CH4OUT R

16

CH4OUT F

15

MM101

SPINDLEMOTOR

F+

F-

T+

T-

3CH1R IN

2CH1F IN

6CH2R IN

5CH2F IN

23CH3R IN

24CH3F IN

25CH4S IN

20MUTE

MDP26

SFDR28

SRDR29

TRDR31

TFDR30

FRDR33

FFDR32

DIGITAL SIGNAL PROCESSORD/A CONVERTER

IC101

DIGITAL SERVO

60D OUT

RFAC51

17RFI

16RFO

14FE

13TE

22LD ON

21HOLD SW

RFDC43

FE39

TE41

SE40

XLON14

72L OUT 1

DIGITALOUT

OPTICAL CDDIGITAL OUT

OPTICAL

PH671

75L OUT 2

5DATA

BMAIN

SECTIONL-CH

L OUT

L-CH

7CLOK

6XLAT

2SQCK

9SCLK

20SCOR

1SQSO

27SSTP

66XTAI

67XTAO

3XRST

S101LIMITIN SW

X10116.9344MHz

CD DAT OUT35

CD CLK37

XLT42

SQ CLK33

SCOR19

SQ DAT32

XRST43

HOLD40

TBL ADDRESSSENSOR49T SENS

IC711

48BU UP/DOWN SW

46OPEN SW

47CLOSE SW

44LOAD IN

OPEN/CLOSES701

UP/DOWNS711

45LOAD OUT

MOTORDRIVE

9

7

4

2

M

IC701

M+7V

TURNMOTOR

M721

8SENS SENS34

AMFREQUENCYCOVERRAGE

FM IF

AM IF

2323

MHC-DX20

SEÇÃO PRINCIPAL

R-CH

RESET

: FM

: CD

• Signal Path

• RCH is omitted

: PB (DECK A)

: PB (DECK B)

: REC (DECK B)

TUNERSECTION

CDSECTION

MD/VIDEO(AUDIO IN)

VIDEO OUT

GAMEIN

J702

MIC

RV703

MICLEVEL

L

R

L

R

24OUT L

MUTEQ301

MUTECONT

Q361,362POWER

AMP

IC5011

12

6

7

MUTEDRIVE

Q581

MUTEBUFFER

Q503,504

OVER LOADDETECTOR

Q501D502

DCDETECT

Q381,382

PROTECTCONT

Q383

RERAYDEIVE

Q384,385

PROTECTSWITCH

Q386,387

MUTECONT

Q365

MUTEQ363

PHONES

R CH

R CH

L

R

JK302

SPEAKERIMPEDANCEUSE 6-16Ω

67 B REC REV

89 A SHUT

71 B PLAY

70 A PLAY

69 B HALF

68 A HALF

A TRIGDRIVE

CAPSTAN MOTORCAPM+

RV661MOTORSPEED

B-SOL

A-SOL

REC(REV)

A-PHOTO

A-MODE

B-MODE

A-HALF

B-HALF

DRIVE

Q605,606

Q601,602

B TRIGDRIVE

Q603,604

A TRIG60

B TRIG61

CAP M CONT65

POW

ERKE

Y74

POW

ER97

LED

34

LED

33

LED

32

LED

31

LED

30

LED

29

LED

28

LED

27

KEY

0

22

KEY

1

21

KEY

2

20

DVD

5.1

26

DISP

LAY

KEY

73

LEDDRIVER

FLUORECENTINDICATOR TUBE

FLD1

Q701

EVER 5.7V

F1F2VP (-30V)

IC401(2/2)MASTER CONTROL

IC701DISPLAY CONTROL

83

LINE

MUT

84

STK

MUT

88

FRON

T-RE

LAY

85

PROT

ECT

10

XC IN

11

XC O

UT

15

X IN

13

X OU

T

32.768kHzX601

16MHzX602

3

X1

4

X2

5MHzRES701

T911

JW911

S901F919

JW913

DX20: AR,E2,E51,EA,SP

F914


-VREG

+5VREG

Q911,D911-913

D541

VP (-30V)

+B

-B

POWERAMP

D681-684

EVER +5.7V

F1

AC1

AC1

AC3

AC3

AC4

AC4

F2

D902-905

ACIN

RELAYDRIVE

Q901

IC901 T901

31

+5.7VREG 13

RY901

+12VREG 31

+9VREG 31

CD POWERSWITCH

+5VREG 31

IC681 Q681,682

IC682

IC683

IC684

D+5V(SW)

A+5V(SW)

RDS +5V

BD +5V

EVER +5V

EVER +5.7V

D +5V

+5V(SW)

MIC +12V

+9V

M+7V

+7VD687-690

D686

D667

D661

D669

D670

STBY RELAY 86

38CD POWER

RESET 12 3 1

Q661 IC661

D383

D691-693

D664

D543 D542

JW912 JW6

JW5

JW3

JW1

66 B REC KEYREC(FWD)

90 B SHUTB-PHOTO

A

B

R-CH

L-CH

LOUT

L-CH

J301

J705

R-CH

R-CH

L-CH

R-CH

ERASE

L-CH

L-CH

JK704

INPUT SELECTTONE/VOL CONT

IC301

TUNER L43

CD L42

MD L47

32

24OUT R R CH31

MIC56

TC R

ELAY

BUFFER

Q213

MIC AMP

IC702(1/2)

AMP

IC702(2/2)

R-CH

19 6

9

2

1

11

5

AMCDETECT REMOTE

CONTROLRECEIVER

SEN701

Q210,211D203,204

A/B

Q217

Q227 Q222,225

D206

MIC +12V

Q220,221

BIAS OSC

Q223,L201 Q224,228

5681 8082917972767775

A

B

PB

REC

IC201

Q214

39 38 37 36 35 34

TAPE/ L45

INLE GAME49

DPLL157

D302

BPOU

T

C B A SCK

SI

–A DECK–HP101

PLAYBACKHEAD

–B DECK–HRPE101RECOD/

PLAYBACK/ERASEHEAD

CASETTEDECKUNIT

BIAS

PB A

/B

AMS

REC-

MUT

E

3878

-DAT

3878

-LAT

3878

-CLK

SP-L

ATA

SP-L

ATB

SP-L

ATC

SP-V

ACS

7

REC/ PB AMP

VIDEO

AUDIO

MOT

OR H

MOT

OR L

S701`/1

D701`/1

S726DISPLAY

37-58 61-68 69-80

LED DRIVERQ702-710

KEY MATRIXS713-725S727-738

S702,704,711S712 DX20

VOL

13

VOL

14

VDD

25

REM

OTE

IN

4

RESE

TM

-RES

ET

6

41

SBSY

S-BS

Y

10

3S

S-LC

K

7

2

SS-

OUT

9

1

SS-

IN

8

100

HEAD

PHON

ES

17

Q701-712,716-720

ROTARYENCODER

VR701

VOLUME

+5V (SW) D713

EVER +5V

D685

JW2

JW4

S901

VOLTAGE SELECTOR

230-240Vr

220Vr

120V

RY371

JACK701

F920

2323

MHC-DX20

SEÇÃO PRINCIPAL

R-CH

RESET

: FM

: CD

• Signal Path

• RCH is omitted

: PB (DECK A)

: PB (DECK B)

: REC (DECK B)

TUNERSECTION

CDSECTION

MD/VIDEO(AUDIO IN)

VIDEO OUT

GAMEIN

J702

MIC

RV703

MICLEVEL

L

R

L

R

24OUT L

MUTEQ301

MUTECONT

Q361,362POWER

AMP

IC5011

12

6

7

MUTEDRIVE

Q581

MUTEBUFFER

Q503,504

OVER LOADDETECTOR

Q501D502

DCDETECT

Q381,382

PROTECTCONT

Q383

RERAYDEIVE

Q384,385

PROTECTSWITCH

Q386,387

MUTECONT

Q365

MUTEQ363

PHONES

R CH

R CH

L

R

JK302

SPEAKERIMPEDANCEUSE 6-16Ω

67 B REC REV

89 A SHUT

71 B PLAY

70 A PLAY

69 B HALF

68 A HALF

A TRIGDRIVE

CAPSTAN MOTORCAPM+

RV661MOTORSPEED

B-SOL

A-SOL

REC(REV)

A-PHOTO

A-MODE

B-MODE

A-HALF

B-HALF

DRIVE

Q605,606

Q601,602

B TRIGDRIVE

Q603,604

A TRIG60

B TRIG61

CAP M CONT65

POW

ERKE

Y74

POW

ER97

LED

34

LED

33

LED

32

LED

31

LED

30

LED

29

LED

28

LED

27

KEY

0

22

KEY

1

21

KEY

2

20

DVD

5.1

26

DISP

LAY

KEY

73

LEDDRIVER

FLUORECENTINDICATOR TUBE

FLD1

Q701

EVER 5.7V

F1F2VP (-30V)

IC401(2/2)MASTER CONTROL

IC701DISPLAY CONTROL

83

LINE

MUT

84

STK

MUT

88

FRON

T-RE

LAY

85

PROT

ECT

10

XC IN

11

XC O

UT

15

X IN

13

X OU

T

32.768kHzX601

16MHzX602

3

X1

4

X2

5MHzRES701

T911

JW911

S901F919

JW913


F914


-VREG

+5VREG

Q911,D911-913

D541

VP (-30V)

+B

-B

POWERAMP

D681-684

EVER +5.7V

F1

AC1

AC1

AC3

AC3

AC4

AC4

F2

D902-905

ACIN

RELAYDRIVE

Q901

IC901 T901

31

+5.7VREG 13

RY901

+12VREG 31

+9VREG 31

CD POWERSWITCH

+5VREG 31

IC681 Q681,682

IC682

IC683

IC684

D+5V(SW)

A+5V(SW)

RDS +5V

BD +5V

EVER +5V

EVER +5.7V

D +5V

+5V(SW)

MIC +12V

+9V

M+7V

+7VD687-690

D686

D667

D661

D669

D670

STBY RELAY 86

38CD POWER

RESET 12 3 1

Q661 IC661

D383

D691-693

D664

D543 D542

JW912 JW6

JW5

JW3

JW1

66 B REC KEYREC(FWD)

90 B SHUTB-PHOTO

A

B

R-CH

L-CH

LOUT

L-CH

J301

J705

R-CH

R-CH

L-CH

R-CH

ERASE

L-CH

L-CH

JK704

INPUT SELECTTONE/VOL CONT

IC301

TUNER L43

CD L42

MD L47

32

24OUT R R CH31

MIC56

TC R

ELAY

BUFFER

Q213

MIC AMP

IC702(1/2)

AMP

IC702(2/2)

R-CH

19 6

9

2

1

11

5

AMCDETECT REMOTE

CONTROLRECEIVER

SEN701

Q210,211D203,204

A/B

Q217

Q227 Q222,225

D206

MIC +12V

Q220,221

BIAS OSC

Q223,L201 Q224,228

5681 8082917972767775

A

B

PB

REC

IC201

Q214

39 38 37 36 35 34

TAPE/ L45

INLE GAME49

DPLL157

D302

BPOU

T

C B A SCK

SI

–A DECK–HP101

PLAYBACKHEAD

–B DECK–HRPE101RECOD/

PLAYBACK/ERASEHEAD

CASETTEDECKUNIT

BIAS

PB A

/B

AMS

REC-

MUT

E

3878

-DAT

3878

-LAT

3878

-CLK

SP-L

ATA

SP-L

ATB

SP-L

ATC

SP-V

ACS

7

REC/ PB AMP

VIDEO

AUDIO

MOT

OR H

MOT

OR L

S701`/1

D701`/1

S726DISPLAY

37-58 61-68 69-80

LED DRIVERQ702-710

KEY MATRIXS713-725S727-738

S702,704,711S712 DX20

VOL

13

VOL

14

VDD

25

REM

OTE

IN

4

RESE

TM

-RES

ET

6

41

SBSY

S-BS

Y

10

3

SS-

LCK

7

2

SS-

OUT

9

1

SS-

IN

8

100

HEAD

PHON

ES

17

Q701-712,716-720

ROTARYENCODER

VR701

VOLUME

+5V (SW) D713

EVER +5V

D685

JW2

JW4

S901

VOLTAGE SELECTOR

230-240Vr

220Vr

120V

RY371

JACK701

F920

2424

MHC-DX20

6-3. PLACA DE CIRCUITO IMPRESSO – SEÇÃO BD – • Veja pág. 21 para localização das placas de circuito.

IC101

IC10

2

IC10

3

(Page 24)

ECN102

TP(VC)

TP(RF)

TP(TE0)

TP(FE0)

TP(FE1)

TP(D GND)

TP(AGC CON)

TP(XPCK)

18

19

2

1

M

23

23

Ref. No. Location

IC101 B-2IC102 C-3IC103 B-2

Q101 A3

• Localização doSemicondutor

2424

MHC-DX20

6-3. PLACA DE CIRCUITO IMPRESSO – SEÇÃO BD – • Veja pág. 21 para localização das placas de circuito.

IC101

IC10

2

IC10

3

(Page 24)

ECN102

TP(VC)

TP(RF)

TP(TE0)

TP(FE0)

TP(FE1)

TP(D GND)

TP(AGC CON)

TP(XPCK)

18

19

2

1

M

23

23

Ref. No. Location

IC101 B-2IC102 C-3IC103 B-2

Q101 A3


2525

MHC-DX20

6-4. DIAGRAMA ESQUEMÁTICO – SEÇÃO BD – • Veja pág. 21 para formas de onda • Veja págs. 42 para diagrama em bloco dos ICs.

IC B/D

IC B/D

IC B/D

CN102(Page 29)

E(5/5)

A X

2

1 1

16 16

2525

MHC-DX20

6-4. DIAGRAMA ESQUEMÁTICO – SEÇÃO BD – • Veja pág. 21 para formas de onda • Veja págs. 42 para diagrama em bloco dos ICs.

IC B/D

IC B/D

IC B/D

CN102(Page 29)

E(5/5)

A X

2

1 1

16 16

2626

MHC-DX20

6-5. PLACA DE CIRCUITO IMPRESSO – SEÇÃO PRINCIPAL – • Veja pág. 21 para localização das placas de circuito.

Ref. No. Location

• Localização dos SemicondutoresRef. No. Location

D101 D-11D104 C-9D107 D-9D108 C-8D203 E-5D204 E-5D205 F-5D206 E-3D207 G-5D301 E-6D302 C-5D303 B-6D361 F-8D372 G-10D383 E-9D601 D-3D602 D-3D661 B-4D662 B-4D663 B-5D664 B-5D665 B-5D666 C-4D667 B-4D668 B-4D669 B-4D670 B-6D681 G-9D682 H-8D683 G-9D684 H-8D685 G-6D686 F-7D687 G-9D688 G-9D689 G-9D690 G-9D691 F-6D692 F-6D693 F-6D694 G-10D695 G-10

IC101 C-10IC102 A-9IC103 D-9IC201 F-4IC301 D-7IC401 C-3IC661 B-5IC681 C-7IC682 G-6IC683 G-7IC684 G-6

Q101 C-9Q102 A-10Q103 C-9Q104 D-9Q105 D-9Q210 E-5Q211 E-5Q212 G-4Q213 E-3Q214 F-5Q215 G-5Q216 F-3Q217 F-3Q218 G-3Q219 G-3Q220 G-3Q221 G-3Q222 F-5Q223 H-4Q224 H-4Q225 F-5Q226 E-4Q227 G-5Q228 H-5Q229 E-4Q230 G-4Q301 H-6Q302 H-6Q361 D-3Q362 D-4Q363 F-9Q364 F-9Q365 F-9Q381 F-10Q382 F-10Q383 F-10Q384 E-10Q385 E-9Q386 E-9Q387 E-9Q601 D-3Q602 D-3Q603 D-3Q604 D-3Q605 D-3Q606 D-3Q661 B-5Q681 C-7Q682 D-8

JW031JW032

JW035 JW034

GND1

JW02

9

JW030

CLP3

JW054

JW059JW058

JW057

JW056

JW055

JW06

5

JW06

4JW

063

JW06

2

JW06

0JW

061

JW02

6JW

027

JW02

8

JW073

8

916

1

JW075JW074JW072

JW076

JW077

JW078

JW079

JW108

JW10

7JW

106

JW10

5

JW10

3

JW10

2JW

116

JW11

5

JW10

9

JW11

0

JW05

3

JW052

JW07

0

JW06

9

JW06

8 JW06

7JW

066

JW07

1

JW11

7

JW11

4 JW11

3JW

112

JW11

1

JW051

JW050

JW049

JW048

131

JW037

JW03

8

JW03

6

JW04

1

JW039JW040

JW04

2JW

043

JW04

4

JW15

7

JW15

6JW

153

JW15

5JW

154

JW15

2JW

151

JW04

6

JW04

5

1 13

JW150

JW04

7

12

13

JW018

JW01

7

JW016

JW001

JW021

JW014

JW013

JW02

0

JW01

5

1

24JW01

9

JW025

JW022

JW002

JW00

3

JW004

JW005

JW00

7

JW006

JW012

JW011

JW010JW009

JW008

12

1324

1JW08

4

JW08

3

JW08

2

JW08

5

JW08

7

JW08

6

191

JW08

9

JW08

8

JW023JW024

JW312

JW080

JW081

JW101

JW09

1JW

092

JW09

3

JW09

0

JW104

JW314

JW313

JW09

6

JW217

JW098

JW09

9

JW09

5

JW097

JW09

4

10

CLP2

JW232

JW23

1

JW23

0JW

228JW

229

JW100

1

JW23

9JW

238

JW23

7JW

236

JW23

5

JW24

3

JW24

2JW

241

JW24

0

JW250

JW251

JW22

3JW

222

JW22

1

JW22

0JW

219

JW256

JW227

RG30

RG30

JW22

6

JW25

4

JW22

4JW

225

JW252

JW25

3JW260

JW259

JW258JW257

JW316

JW315

JW26

9

JW289

JW290

JW298

JW29

9

JW297

JW291JW292JW293

JW281JW282

JW283JW285JW284

JW286JW287 JW288

JW294

JW319

JW244

JW246JW248

JW24

9

JW247

JW303

JW304

JW305

JW306

JW307

JW302

JW245

JW301

JW308

JW309JW310

JW311

30

JW30

0

29

JW16

1

JW16

2

JW15

8

JW16

3JW

164

JW15

9JW16

0JW173

JW165

JW171

JW17

4

JW172

JW16

7

JW166

JW17

5

JW16

9JW

170

JW176

JW17

8

JW147

JW148 JW31

7

JW318

JW12

2JW

125

JW12

8

JW133JW134 JW

118

JW12

3JW

124

JW139

JW130

JW137JW138

JW131

JW132JW13

5

JW136

JW145

JW146

JW11

9JW

120

JW12

1

JW12

6

JW129

JW20

3

JW214JW215

JW21

2

JW21

3

JW12

7

JW202

JW21

8 JW216

JW21

0JW

209

JW20

8JW

207

JW20

6

JW20

5JW

204

JW26

1

2

JW26

5JW

266

JW26

2

JW26

3JW

264

JW19

8

JW200

1

JW144

JW143

JW140

JW18

9JW

190

JW142JW141

JW19

3

JW191

JW19

2

JW19

5

JW19

9

JW19

7

JW19

6

JW18

8JW

187

JW18

5JW

186

JW18

3

JW18

2

JW27

2

JW27

3

17

16

JW268

JW26

7JW270

JW271JW277JW278

JW279JW280

JW201

JW275

12

JW274

CLP1

JW18

1

L371RG30

DX20

DX20

D694

R377R378

D695

RB101

Q382

C382

RY371

Q381

C302

C301

C381

JK101JK101

Q383

D688

Q386

Q384

Q365

C362

R362

Q364

C361

Q363

R361

C363

C697

Q385

JW2

C186C184

C181

C171

C383

Q387

IC103

X102C308

C681

C311

C307

JW11

JW12

IC683

C685C690C691

JW8D683

CN403

D681

D689

C683

C684

C693

CN402

L372

R379

D682

D684C694

D687

D690

JW9

R380

C104

FE101:DX20DX20

DX20

DX20

RG30

RG30

DX20

FE101:RG30

IC101

C676

Q102

T102:DX20

L671

C140

C133

C114

C113

C137

JW1

RV101

C106 C108

C135

C143

C144

C127

C136IFT101

CF101

C125

CF102

Q101

T101

C116

C117

X101

IC102

C677

CN102

C675C671

C658

Q682

C304

C312

C314

C303

C310 C309

C687

1 2 3

C686

Q681E

E

E

EEE

E

EE

E

E

E

E

E

IC681

C319

C327C339

C325

C328

C326

C333

C337

C338

C313

C318

C320 C315

1 64

32 33

C356

C317

C300

CN1

X602 C665 C661

C321

JW28

JW29

C662

Q661

IC66

1

C602

C663

X601

C364

C610

Q361

C699

C222

C698

C348

C689 C688

C347

Q301 Q302

JW16

8

Q227

C225

Q223

C239

C215

C234

Q215C230

Q212 C2

72

C214

C212

Q228

Q224C2

40

Q230

IC684

Q225C221

Q222

C257

IC682

C692

D691

D692

D693

C344

C334

C340

1617

4948

C342

C343

C349C345 C346

JW31

C256

CN2

Q362JW

32Q2

26

C218

C232

C233

C217

Q210 Q211

C236

C235

Q214

Q229 C2

70

C211

C213 C231

C229

C219

IC201

C209

CN203

Q219

Q218

Q213

C271

JW33DX20

Q605

Q603

Q601

Q602

Q604E

E

E

E

EE

E

E Q606

RV661

CN70

1

C241

C242

Q221

Q220

C210

L201CN202

C223

.1

0

JR607

.1

E

E

Q105

L109

L107 L108

C666

C657

R60

1

R60

3

FB4

C204

E

E

E E

E E

E

E E

E E

EE

E

E

E

E

E

EE

E

1 2 3 1 2 3 1 2 3

E

E

C205

R27

7R247

DX20

DX20

DX20

R205

R27

1

R202

R27

3R

275

C202

C201R201R240

R239

Q217Q216

R203

C203

C206

C208

R21

0

R22

4

R20

9

R229

C227R223

R227R22

1

C207

R20

7

C243

R215C265

R218

R270

R26

2

R673 R670

R21

7

R20

4D

206

R656

R640

R64

1 C605

R32

5

D30

2

R309

FB5

C664

C601

R63

3

R67

7R

674

R676R678

R60

6

D601JR10

JR8 R

679

R67

1

R628

R626R627 R659

R657

R658

R66

0

R63

2

R680 R63

7R

636

R63

5

R369

R37

0 R675

R672

R639

R638

JR4

R60

5

D602R602

R604

C611

R64

3

R63

4

R630

R629

R631

IC401

R308

R30

5

R30

6R

307

R31

5

R324

C350

R322R320

R321R31

8

R313

R314

R317

R31

6

IC301

D301

R23

1

R32

3

R34

2 R34

1R237

R219

R24

6

R256C235A1

R245

R249

D204

JR17R263

R25

7

D20

3

R235

R233

D20

5

R22

0

R250

D686

R26

1 R258

R22

2R

238

R264

C236

AR

231A

C237

C266

C224

R25

3

C226

JR7

R260R226

C238R225

R274

R27

2R

276 R22

8

R23

0R2

78R

214

R23

6

C244

R23

4R232

R23

2A

R20

8 C228

R25

2R

241R242

R20

6

R25

1R

248

D685

R24

3R

254

R36

8

R333

R337 R33

5

R331

R33

2

R338

R336

R334

R216

R25

5

D20

7R

244

R327D303

R340

JR11

DX20

JR16

D670 JR15

C673

R64

7R

648JR

14

D66

2

R646

R655

D661

D66

7

D66

8

R662R66

1D

664

D669

D66

5

D66

3C6

56

R66

4

R644

JR1

C607

C608

R66

3D

666

R665

C603

R607

C606

R62

5

C644

C614

R615

R62

4R

623

R62

1

R61

4

R610

R613R

612

C613

R60

9

C612

R62

2

R650

R649

R64

5

FB6R61

1R

608

C604

R620

R61

6

R617R618

R61

9

R101JR642

R11

2

R3

C112

R113PH671

1

3

R114

R116

C115

JR60

2

R104 JR641R12

3

C105

R7R109

C103

R107 JR109

C118

C123

R12

0

C124

C121

C122

R13

6

JR60

3

C119

JR60

6

C120

R12

2

R13

5

R11

1

C101

R121

R119 JR633

FB2

FB3

C672

C679 C678

JR640

C659

FB1

C674

D10

8R12

6 R11

8

R106

C374C3

72

C373

C371

C375

C376

D37

2

JR63

8

D36

1

C322

R36

7

JR636

JR63

9

Q104

R130

R129R128

R105C102

R103

R13

8

R68

1

R32

9R

339

C660

R172

R174

C175

D107

R32

8

R326

R181

R177R183

JR63

7C172R171

C183

C182

C180

C179

R175

C29

R11

5R

117

R13

9

D10

1

C111

RG30

RG30

C109

C110

C128

JR634

C107

R110

JR635

R10

8

R125

C130

C129

C126

D10

4

R13

2

R131

R13

7

C141

R127C134

C131

C132

R4:RG30

C138

JR11

0

C139

C142Q

103

R10

2R

124

R134

R133

C187

C185

C173

R382

R381

R383

C351

C352

R30

4

R303

R301

R302

C360

R38

7

R39

3

R38

5R

366

R36

5 R36

3R

364

R38

4

R38

8

R39

4

R386

R389

D38

3

C176

E

3

1

E

31 30

80 81

5051

1100

1 12

1324

1458

8 5 4 1

31

7

1

MAIN BOARD

DX20 RG3011

(14)21

(21)1-681-440-

DPOWER AMP

BOARD(Page 30)

POWER AMPBOARD

(Page 30)

F

APANELBOARD

(Page 32)

B

DRVERBOARD

(Page 36)

E

BDBOARD

(Page 22)

PH671CD DIGITAL OUT

OPTICAL

R-CH

L-CH

ERASE

R-CH

L-CH

A DECKPLAYBACK

TAPE DECK BLOCKSUPPLIED WITHTHE ASSEMBLED

BLOCK

B DECKRECORD/PLAYBACK/ERASE

J302SPEAKER

IMPEDANCEUSE 6-16Ω

–

+

L

–

+R

FM75Ω

AM

FM75Ω

AM

L

JK301MD/VIDEO(AUDIO)

R

2 3 4 5 6 7 8 9 10 11 12

A

1

B

C

D

E

F

G

H

I

2626

MHC-DX20

6-5. PLACA DE CIRCUITO IMPRESSO – SEÇÃO PRINCIPAL – • Veja pág. 21 para localização das placas de circuito.

Ref. No. Location

• Localização dos SemicondutoresRef. No. Location

D101 D-11D104 C-9D107 D-9D108 C-8D203 E-5D204 E-5D205 F-5D206 E-3D207 G-5D301 E-6D302 C-5D303 B-6D361 F-8D372 G-10D383 E-9D601 D-3D602 D-3D661 B-4D662 B-4D663 B-5D664 B-5D665 B-5D666 C-4D667 B-4D668 B-4D669 B-4D670 B-6D681 G-9D682 H-8D683 G-9D684 H-8D685 G-6D686 F-7D687 G-9D688 G-9D689 G-9D690 G-9D691 F-6D692 F-6D693 F-6D694 G-10D695 G-10

IC101 C-10IC102 A-9IC103 D-9IC201 F-4IC301 D-7IC401 C-3IC661 B-5IC681 C-7IC682 G-6IC683 G-7IC684 G-6

Q101 C-9Q102 A-10Q103 C-9Q104 D-9Q105 D-9Q210 E-5Q211 E-5Q212 G-4Q213 E-3Q214 F-5Q215 G-5Q216 F-3Q217 F-3Q218 G-3Q219 G-3Q220 G-3Q221 G-3Q222 F-5Q223 H-4Q224 H-4Q225 F-5Q226 E-4Q227 G-5Q228 H-5Q229 E-4Q230 G-4Q301 H-6Q302 H-6Q361 D-3Q362 D-4Q363 F-9Q364 F-9Q365 F-9Q381 F-10Q382 F-10Q383 F-10Q384 E-10Q385 E-9Q386 E-9Q387 E-9Q601 D-3Q602 D-3Q603 D-3Q604 D-3Q605 D-3Q606 D-3Q661 B-5Q681 C-7Q682 D-8

JW031JW032

JW035 JW034

GND1

JW02

9

JW030

CLP3

JW054

JW059JW058

JW057

JW056

JW055

JW06

5

JW06

4JW

063

JW06

2

JW06

0JW

061

JW02

6JW

027

JW02

8

JW073

8

916

1

JW075JW074JW072

JW076

JW077

JW078

JW079

JW108

JW10

7JW

106

JW10

5

JW10

3

JW10

2JW

116

JW11

5

JW10

9

JW11

0

JW05

3

JW052

JW07

0

JW06

9

JW06

8 JW06

7JW

066

JW07

1

JW11

7

JW11

4 JW11

3JW

112

JW11

1

JW051

JW050

JW049

JW048

131

JW037

JW03

8

JW03

6

JW04

1

JW039JW040

JW04

2JW

043

JW04

4

JW15

7

JW15

6JW

153

JW15

5JW

154

JW15

2JW

151

JW04

6

JW04

5

1 13

JW150

JW04

7

12

13

JW018

JW01

7JW016

JW001

JW021

JW014

JW013

JW02

0

JW01

5

1

24JW01

9

JW025

JW022

JW002

JW00

3

JW004

JW005

JW00

7

JW006

JW012

JW011

JW010JW009

JW008

12

1324

1JW08

4

JW08

3

JW08

2

JW08

5

JW08

7

JW08

6

191

JW08

9

JW08

8

JW023JW024

JW312

JW080

JW081

JW101

JW09

1JW

092

JW09

3

JW09

0

JW104

JW314

JW313

JW09

6

JW217

JW098

JW09

9

JW09

5

JW097

JW09

4

10

CLP2

JW232

JW23

1

JW23

0JW

228JW

229

JW100

1

JW23

9JW

238

JW23

7JW

236

JW23

5

JW24

3

JW24

2JW

241

JW24

0

JW250

JW251

JW22

3JW

222

JW22

1

JW22

0JW

219

JW256

JW227

RG30

RG30

JW22

6

JW25

4

JW22

4JW

225

JW252

JW25

3

JW260

JW259

JW258JW257

JW316

JW315

JW26

9

JW289

JW290

JW298

JW29

9

JW297

JW291JW292JW293

JW281JW282

JW283JW285JW284

JW286JW287 JW288

JW294

JW319

JW244

JW246JW248

JW24

9

JW247

JW303

JW304

JW305

JW306

JW307

JW302

JW245

JW301

JW308

JW309JW310

JW311

30

JW30

0

29

JW16

1

JW16

2

JW15

8

JW16

3JW

164

JW15

9JW16

0JW173

JW165

JW171

JW17

4

JW172

JW16

7

JW166

JW17

5

JW16

9JW

170

JW176

JW17

8

JW147

JW148 JW31

7

JW318

JW12

2JW

125

JW12

8

JW133JW134 JW

118

JW12

3JW

124

JW139

JW130

JW137JW138

JW131

JW132JW13

5

JW136

JW145

JW146

JW11

9JW

120

JW12

1

JW12

6

JW129

JW20

3

JW214JW215

JW21

2

JW21

3

JW12

7

JW202

JW21

8 JW216

JW21

0JW

209

JW20

8JW

207

JW20

6

JW20

5JW

204

JW26

1

2

JW26

5JW

266

JW26

2

JW26

3JW

264

JW19

8

JW200

1

JW144

JW143

JW140

JW18

9JW

190

JW142JW141

JW19

3

JW191

JW19

2

JW19

5

JW19

9

JW19

7

JW19

6

JW18

8JW

187

JW18

5JW

186

JW18

3

JW18

2

JW27

2

JW27

3

17

16

JW268

JW26

7JW270

JW271JW277JW278

JW279JW280

JW201

JW275

12

JW274

CLP1

JW18

1

L371RG30

DX20

DX20

D694

R377R378

D695

RB101

Q382

C382

RY371

Q381

C302

C301

C381

JK101JK101

Q383

D688

Q386

Q384

Q365

C362

R362

Q364

C361

Q363

R361

C363

C697

Q385

JW2

C186C184

C181

C171

C383

Q387

IC103

X102C308

C681

C311

C307

JW11

JW12

IC683

C685C690C691

JW8D683

CN403

D681

D689

C683

C684

C693

CN402

L372

R379

D682

D684C694

D687

D690

JW9

R380

C104

FE101:DX20DX20

DX20

DX20

RG30

RG30

DX20

FE101:RG30

IC101

C676

Q102

T102:DX20

L671

C140

C133

C114

C113

C137

JW1

RV101

C106 C108

C135

C143

C144

C127

C136IFT101

CF101

C125

CF102

Q101

T101

C116

C117

X101

IC102

C677

CN102

C675C671

C658

Q682

C304

C312

C314

C303

C310 C309

C687

1 2 3

C686

Q681E

E

E

EEE

E

EE

E

E

E

E

E

IC681

C319

C327C339

C325

C328

C326

C333

C337

C338

C313

C318

C320 C315

1 64

32 33

C356

C317

C300

CN1

X602 C665 C661

C321

JW28

JW29

C662

Q661

IC66

1

C602

C663

X601

C364

C610

Q361

C699

C222

C698

C348

C689 C688

C347

Q301 Q302

JW16

8

Q227

C225

Q223

C239

C215

C234

Q215C230

Q212 C2

72

C214

C212

Q228

Q224C2

40

Q230

IC684

Q225C221

Q222

C257

IC682

C692

D691

D692

D693

C344

C334

C340

1617

4948

C342

C343

C349C345 C346

JW31

C256

CN2

Q362

JW32

Q226

C218

C232

C233

C217

Q210 Q211

C236

C235

Q214

Q229 C2

70

C211

C213 C231

C229

C219

IC201

C209

CN203

Q219

Q218

Q213

C271

JW33DX20

Q605

Q603

Q601

Q602

Q604E

E

E

E

EE

E

E Q606

RV661

CN70

1

C241

C242

Q221

Q220

C210

L201CN202

C223

.1

0

JR607

.1

E

E

Q105

L109

L107 L108

C666

C657

R60

1

R60

3

FB4

C204

E

E

E E

E E

E

E E

E E

EE

E

E

E

E

E

EE

E

1 2 3 1 2 3 1 2 3

E

E

C205

R27

7R247

DX20

DX20

DX20

R205

R27

1

R202

R27

3R

275

C202

C201R201R240

R239

Q217Q216

R203

C203

C206

C208

R21

0

R22

4

R20

9

R229

C227R223

R227R22

1

C207

R20

7

C243

R215C265

R218

R270

R26

2

R673 R670

R21

7

R20

4D

206

R656

R640

R64

1 C605

R32

5

D30

2

R309

FB5

C664

C601

R63

3

R67

7R

674

R676R678

R60

6

D601JR10

JR8 R

679

R67

1

R628

R626R627 R659

R657

R658

R66

0

R63

2

R680 R63

7R

636

R63

5

R369

R37

0 R675

R672

R639

R638

JR4

R60

5

D602R602

R604

C611

R64

3

R63

4

R630

R629

R631

IC401

R308

R30

5

R30

6R

307

R31

5

R324

C350

R322R320

R321R31

8

R313

R314

R317

R31

6

IC301

D301

R23

1

R32

3

R34

2 R34

1

R237

R219

R24

6

R256C235A1

R245

R249

D204

JR17R263

R25

7

D20

3

R235

R233

D20

5

R22

0

R250

D686

R26

1 R258

R22

2R

238

R264

C236

AR

231A

C237

C266

C224

R25

3

C226

JR7

R260R226

C238R225

R274

R27

2R

276 R22

8

R23

0R2

78R

214

R23

6

C244

R23

4R232

R23

2A

R20

8 C228

R25

2R

241R242

R20

6

R25

1R

248

D685

R24

3R

254

R36

8

R333

R337 R33

5

R331

R33

2

R338

R336

R334

R216

R25

5

D20

7R

244

R327D303

R340

JR11

DX20

JR16

D670 JR15

C673

R64

7R

648JR

14

D66

2

R646

R655

D661

D66

7

D66

8

R662R66

1D

664

D669

D66

5

D66

3C6

56

R66

4

R644

JR1

C607

C608

R66

3D

666

R665

C603

R607

C606

R62

5

C644

C614

R615

R62

4R

623

R62

1

R61

4

R610

R613

R61

2

C613

R60

9

C612

R62

2

R650

R649

R64

5

FB6R61

1R

608

C604

R620

R61

6

R617R618

R61

9

R101JR642

R11

2

R3

C112

R113PH671

1

3

R114

R116

C115

JR60

2

R104 JR641R12

3

C105

R7R109

C103

R107 JR109

C118

C123

R12

0

C124

C121

C122

R13

6

JR60

3

C119

JR60

6

C120

R12

2

R13

5

R11

1

C101

R121

R119 JR633

FB2

FB3

C672

C679 C678

JR640

C659

FB1

C674

D10

8R12

6 R11

8

R106C3

74C372

C373

C371

C375

C376

D37

2

JR63

8

D36

1

C322

R36

7

JR636

JR63

9

Q104

R130

R129R128

R105C102

R103

R13

8

R68

1

R32

9R

339

C660

R172

R174

C175

D107

R32

8

R326

R181

R177R183

JR63

7C172R171

C183

C182

C180

C179

R175

C29

R11

5R

117

R13

9

D10

1

C111

RG30

RG30

C109

C110

C128

JR634

C107

R110

JR635

R10

8

R125

C130

C129

C126

D10

4

R13

2

R131

R13

7

C141

R127C134

C131

C132

R4:RG30

C138

JR11

0

C139

C142Q

103

R10

2R

124

R134

R133

C187

C185

C173

R382

R381

R383

C351

C352

R30

4

R303

R301

R302

C360

R38

7

R39

3

R38

5R

366

R36

5 R36

3R

364

R38

4

R38

8

R39

4

R386

R389

D38

3

C176

E

3

1

E

31 30

80 81

5051

1100

1 12

1324

1458

8 5 4 1

31

7

1

MAIN BOARD

DX20 RG3011

(14)21

(21)1-681-440-

DPOWER AMP

BOARD(Page 30)

POWER AMPBOARD

(Page 30)

F

APANELBOARD

(Page 32)

B

DRVERBOARD

(Page 36)

E

BDBOARD

(Page 22)

PH671CD DIGITAL OUT

OPTICAL

R-CH

L-CH

ERASE

R-CH

L-CH

A DECKPLAYBACK

TAPE DECK BLOCKSUPPLIED WITHTHE ASSEMBLED

BLOCK

B DECKRECORD/PLAYBACK/ERASE

J302SPEAKER

IMPEDANCEUSE 6-16Ω

–

+

L

–

+R

FM75Ω

AM

FM75Ω

AM

L

JK301MD/VIDEO(AUDIO)

R

2 3 4 5 6 7 8 9 10 11 12

A

1

B

C

D

E

F

G

H

I

2727

MHC-DX20

6-6. DIAGRAMA ESQUEMÁTICO – SEÇÃO PRINCIPAL (1/5) – • Veja pág. 42 para diagrama em bloco dos ICs.

IC201

Q210Q211

Q217

Q219

Q220

Q221

Q224

Q218

Q222

Q223

Q216

Q214

Q215

R234

R232

R232A

R214

R216 C244

R272

R278

R276

R274R237 R220

R208

R206

R201

R202

R239

R240

R210

C206

C203

C204

C201

C202

R228 R230

R222

R224

C224

JR17

R258

R256

R249

R257 R261R250 R218

R238

R264

C235A

R262R263

R236

R217 C265 C207R209

C205

C208

R205

R223

C237R229 R227

R207R271

R273

R275

R277

R215R247C243

R226

R231

R231A

R233

JR7

R252

R241R242

R245

R243R244

R246

R251 R248

C266

R260

R253

R254

C240

C215C221

C256

C235

C236

C270

R270

C230

C229

C217

C210

R203

R204

CN202

C209

C271 C213

C272

C218

C257

C236A

C233

C242

C241

C239

L201

C223

Q213

R225

R221

C211

C234

C214 C212

Q212

R235

Q228Q225

Q227

D206

D203

D204

D207

D205

R219

C219

C222

C225

C231

C232

C226

C238

Q229

Q226

Q230R255

R259

CN203

C228

C227

TA8189N

2SC27852SC2785

2SC3623A

2SC2785

2SC2785

2SC2785

2SC2785

2SC2785

2SC2785

2SC2001

2SC3623A

2SC3623A

2SC3623A

68k

2.2k

1k

4.7k

100k 0.0015

1M

100k

4.7k

1.5k10k 22k

8.2k

47

10

10

10k

10k

270k

220p

680p

680p

680p

680p

120k 1.8k

220

180k

470p

0

220

10k

680k

390 390180k 180k

680k

10k

47p

100k10k

4.7k

10k 0.01 220p270k

220p

220p

47

180k

470p1.8k 120k

8.2k1M

1.5k

4.7k

100k

4.7k100k0.0015

22k

2.2k

1k

68k

0

27k

4.7k4.7k

10k

2.2k27k

4.7k

2.2k 12k

0.022

390

10k

4.7k

4716V

2.250V4.7

50V

150V

150V

10016V

10016V

220

10010V

10010V

4716V

4716V

10

10

4716V

150V

150V

150V

4716V

0.150V

47p

0,01uFMC

0.001MC

0.0047MC

0.015MC 0.022

MC

2SC2785

22k

10k

0.018MC

0,01uFMC

150V

0.018MC

2SC2785

4.7k

2SB1116A2SB1116A

2SB1116ABUFFER

1SS355TE

1SS355TE

1SS355TE

1SS355TE

1SS355TE

2SC3623A-LKMUTE

DTA124ESSWITCH

2SC3623A-LKMUTE

1k

1k

3P

47p

47p89

10

11

12

7 6 54 3 2 113

*

*50V

*50V

*50V

*50V

*50V

*

*

REC/PB PRE AMP

HEADPLAYBACK

L-CH

R-CH

ERASEHEAD

RECORD/PLAYBACK

HRP101-B DECK-

-A DECK-HP101

L-CH

R-CH

AMPQ210,211

MUTE

MUTE

OSCBIAS

BIAS OSC

123

4

5

6

7 8

9

SWITCHQ220,221

AMP

SWITCHQ218,219

BIAS OSCQ224,228

B+ SWITCH

SWITCH

SWITCH

AMP

*R219

47k10k

RG30DX20

RG30DX20

*C2193.32.2

RG30DX20

3.3

*C222

4.7

RG30DX20

3.34.7

*C225

RG30DX20

3.3*C231

0.47

RG30DX200.47

*C232

RG30DX20

*C226

0.00220.0018

RG30DX20

0.00220.0018

*C238

SWITCHQ222,225

DX20

DX20

GND

REC

NF GND

MIX

PRE

MET

AL

NF CH1/

A

CH1/

B

OUT

OUT

OUT

M/H

REC

OUT

IN

PRE

MET

AL

OUT

OUT NFREC NFIN

REC

OUT

TAPE A/

B

CH2/

B

CH2/

ACD VCC

ALC

0.33

MAINBOARD(4/5)(Page 28)

MAINBOARD(3/5)

MAINBOARD(2/5)

(Page 27)

(Page 26)

2727

MHC-DX20

6-6. DIAGRAMA ESQUEMÁTICO – SEÇÃO PRINCIPAL (1/5) – • Veja pág. 42 para diagrama em bloco dos ICs.

IC201

Q210Q211

Q217

Q219

Q220

Q221

Q224

Q218

Q222

Q223

Q216

Q214

Q215

R234

R232

R232A

R214

R216 C244

R272

R278

R276

R274R237 R220

R208

R206

R201

R202

R239

R240

R210

C206

C203

C204

C201

C202

R228 R230

R222

R224

C224

JR17

R258

R256

R249

R257 R261R250 R218

R238

R264

C235A

R262R263

R236

R217 C265 C207R209

C205

C208

R205

R223

C237R229 R227

R207R271

R273

R275

R277

R215R247C243

R226

R231

R231A

R233

JR7

R252

R241R242

R245

R243R244

R246

R251 R248

C266

R260

R253

R254

C240

C215C221

C256

C235

C236

C270

R270

C230

C229

C217

C210

R203

R204

CN202

C209

C271 C213

C272

C218

C257

C236A

C233

C242

C241

C239

L201

C223

Q213

R225

R221

C211

C234

C214 C212

Q212

R235

Q228Q225

Q227

D206

D203

D204

D207

D205

R219

C219

C222

C225

C231

C232

C226

C238

Q229

Q226

Q230R255

R259

CN203

C228

C227

TA8189N

2SC27852SC2785

2SC3623A

2SC2785

2SC2785

2SC2785

2SC2785

2SC2785

2SC2785

2SC2001

2SC3623A

2SC3623A

2SC3623A

68k

2.2k

1k

4.7k

100k 0.0015

1M

100k

4.7k

1.5k10k 22k

8.2k

47

10

10

10k

10k

270k

220p

680p

680p

680p

680p

120k 1.8k

220

180k

470p

0

220

10k

680k

390 390180k 180k

680k

10k

47p

100k10k

4.7k

10k 0.01 220p270k

220p

220p

47

180k

470p1.8k 120k

8.2k1M

1.5k

4.7k

100k

4.7k100k0.0015

22k

2.2k

1k

68k

0

27k

4.7k4.7k

10k

2.2k27k

4.7k

2.2k 12k

0.022

390

10k

4.7k

4716V

2.250V4.7

50V

150V

150V

10016V

10016V

220

10010V

10010V

4716V

4716V

10

10

4716V

150V

150V

150V

4716V

0.150V

47p

0,01uFMC

0.001MC

0.0047MC

0.015MC 0.022

MC

2SC2785

22k

10k

0.018MC

0,01uFMC

150V

0.018MC

2SC2785

4.7k

2SB1116A2SB1116A

2SB1116ABUFFER

1SS355TE

1SS355TE

1SS355TE

1SS355TE

1SS355TE

2SC3623A-LKMUTE

DTA124ESSWITCH

2SC3623A-LKMUTE

1k

1k

3P

47p

47p89

10

11

12

7 6 54 3 2 113

*

*50V

*50V

*50V

*50V

*50V

*

*

REC/PB PRE AMP

HEADPLAYBACK

L-CH

R-CH

ERASEHEAD

RECORD/PLAYBACK

HRP101-B DECK-

-A DECK-HP101

L-CH

R-CH

AMPQ210,211

MUTE

MUTE

OSCBIAS

BIAS OSC

123

4

5

6

7 8

9

SWITCHQ220,221

AMP

SWITCHQ218,219

BIAS OSCQ224,228

B+ SWITCH

SWITCH

SWITCH

AMP

*R219

47k10k

RG30DX20

RG30DX20

*C2193.32.2

RG30DX20

3.3

*C222

4.7

RG30DX20

3.34.7

*C225

RG30DX20

3.3*C231

0.47

RG30DX200.47

*C232

RG30DX20

*C226

0.00220.0018

RG30DX20

0.00220.0018

*C238

SWITCHQ222,225

DX20

DX20

GND

REC

NF GND

MIX

PRE

MET

AL

NF CH1/

A

CH1/

B

OUT

OUT

OUT

M/H

REC

OUT

IN

PRE

MET

AL

OUT

OUT NFREC NFIN

REC

OUT

TAPE A/

B

CH2/

B

CH2/

ACD VCC

ALC

0.33


MAINBOARD(3/5)

MAINBOARD(2/5)

(Page 27)

(Page 26)

2828

MHC-DX20

6-7. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (2/5) – • Veja pág. 21 para formas de onda. • Veja pág. 42 para diagrama em bloco dos IC's.

JK101 R3

C103

R104

C104

R107

R101

R102

R108

R103

CF101

CF102

C102 R105

C149

R139

C110 R117

C111

C29

L1081µH

R111

R112

R113

R114

R115

R116

C112 C114 C115

C116 C117

C118

R135

R136

C119

R118

R119

R120

R121

R122

R123

C120X101

C123 C124

R124 C125 C126 RV101C128

C129 C130C134

C135

C136

C171

C172

C173

C175

C176

C127

R126

R127

R128

R129

C106C107

C108

R110

C141

C143

C137C138

R131

R132

R137

C140 R130

R4

Q105

R174

R175

R138

R183 C184

C186

C187

X102

C182 C183

R181

C179 C180

C181

R177

R7

T102

R109

D101

R171

C144

C101

C113

C121 C122

JK101

D107

R172

L109

JR637

JR636

JR639

Q103

Q104

R133 R134

C131 C132

C133

R125

T101

C142

C139

JR633

Q102

C105

Q101

R106JR606

L107

L107

JR634

JR635

JR603

JR11

0

JR60

7

JR10

9

JR641

JR642 JR602

D104

D108

0

0.01

150

4716V

0

47

680

330

680

0.01 1.5k

4p

0

0.01 100k

0.01

33p

100

4.7k

4.7k

4.7k

10k

100

0.01 4716V 0.01

2.250V

4716V

0.01

4.7k

3.3k

0.01

100

10k

10k

1k

10k

10k

0.014.5MHz

0.001 0.001

220 4716V 0.01 22k

0.01

0.01 0.010.047

4.750V

4.750V

4716V

0.1

560p

330p

0.01

150V

4.7k

2.2k

560

560

10016V 0.01

1050V

10k

0.047

2216V

1050V

560p

12k

2.2k

100

150V

10k

0

2SC2412K

1k

470

100

4.7k 2.250V

1050V

0.01

4.332MHz

56p 56p

4.7k

0.01 0.01

2.250V

100

0

47

DA204K

100

4716V

0.01

0.4750V

22pCH

33pCH

1SS3

55TE

100k

0

0

0

0

2SC1623

2SC1623

0.2250V

4.7k

0

UN4111

0.01

2SC2410SN

0

0

0

0

0

0

0 0

0

0 0

-TTDTZ 11-6.8B

1SS355TE

541613 14 X1 X2

10

2021222324

25 26 2728

*2 *2

*1 *1

*

*

*

FM

AM

XIN

VCO

CE DI CLK

DO FM MW

FM IFIF F

EO

FM/A

M

XOUT

GMND VT

2

PD1

PD2

VT1I

N

VT1 B+ SW

VT2I

N

FM O

SC

AM O

SC

REG

AFC

AGC

MPX

MPX

OSC/

OUT

AM R

F

AM M

IX

AM IF

AM/F

M O

UT

VCO

STOPOS

C

VCC

GND

AM/F

M

L OU

T

R OU

T

IF O

UT

IF M

UT

ST L

ED

TU L

ED

FM D

ET

FM S

D

FM IF

FM75 Ω

75 Ω

AM

ST L

ED

TU L

ED

ST M

UTE

RCLK

+BGND

VTGND

GND

ANT

IN

OSC

OUTGA

FE101

+BGND

VTGND

GND

ANT

IN

OSC

OUT

FE101

IF O

UT

IF O

UT

RDSDECODER

RB101

IFT101

IC103BU1924

IC102LC72130

IC101BA1450

CED

PB641

PLL

FM/AMFRONTEND,IF AMP,MPX

AMP

RG30

QUAL

RDAT

A

VREF

MUX

VDD1

VSS1

VSS3

CMP

RCLK

NC XO XI VDD2

VSS2

T1 T2

RG30DX20

DX20

RG30

AMPQ103,104

DX20

*2 R133,134

470DX200.015FM TUNED LEVEL

DX20100P

*C142

DX20

*C139

220P

RG30

DX20

+BSWITCH

RF IF AMP

DX20

*R106

330 RG30

33µH

DX20

RG30

RG30

DX20

DX20

*1 C131,132

MAIN BOARD(3/5)

(Page 27)

MAIN BOARD(4/5)

MAIN BOARD(5/5)

(Page 28)(Page 29)

MAIN BOARD(1/5)(Page 25)

46

2828

MHC-DX20

6-7. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (2/5) – • Veja pág. 21 para formas de onda. • Veja pág. 42 para diagrama em bloco dos IC's.

JK101 R3

C103

R104

C104

R107

R101

R102

R108

R103

CF101

CF102

C102 R105

C149

R139

C110 R117

C111

C29

L1081µH

R111

R112

R113

R114

R115

R116

C112 C114 C115

C116 C117

C118

R135

R136

C119

R118

R119

R120

R121

R122

R123

C120X101

C123 C124

R124 C125 C126 RV101C128

C129 C130C134

C135

C136

C171

C172

C173

C175

C176

C127

R126

R127

R128

R129

C106C107

C108

R110

C141

C143

C137C138

R131

R132

R137

C140 R130

R4

Q105

R174

R175

R138

R183 C184

C186

C187

X102

C182 C183

R181

C179 C180

C181

R177

R7

T102

R109

D101

R171

C144

C101

C113

C121 C122

JK101

D107

R172

L109

JR637

JR636

JR639

Q103

Q104

R133 R134

C131 C132

C133

R125

T101

C142

C139

JR633

Q102

C105

Q101

R106JR606

L107

L107

JR634

JR635

JR603

JR11

0

JR60

7

JR10

9

JR641

JR642 JR602

D104

D108

0

0.01

150

4716V

0

47

680

330

680

0.01 1.5k

4p

0

0.01 100k

0.01

33p

100

4.7k

4.7k

4.7k

10k

100

0.01 4716V 0.01

2.250V

4716V

0.01

4.7k

3.3k

0.01

100

10k

10k

1k

10k

10k

0.014.5MHz

0.001 0.001

220 4716V 0.01 22k

0.01

0.01 0.010.047

4.750V

4.750V

4716V

0.1

560p

330p

0.01

150V

4.7k

2.2k

560

560

10016V 0.01

1050V

10k

0.047

2216V

1050V

560p

12k

2.2k

100

150V

10k

0

2SC2412K

1k

470

100

4.7k 2.250V

1050V

0.01

4.332MHz

56p 56p

4.7k

0.01 0.01

2.250V

100

0

47

DA204K

100

4716V

0.01

0.4750V

22pCH

33pCH

1SS3

55TE

100k

0

0

0

0

2SC1623

2SC1623

0.2250V

4.7k

0

UN4111

0.01

2SC2410SN

0

0

0

0

0

0

0 0

0

0 0

-TTDTZ 11-6.8B

1SS355TE

541613 14 X1 X2

10

2021222324

25 26 2728

*2 *2

*1 *1

*

*

*

FM

AM

XIN

VCO

CE DI CLK

DO FM MW

FM IFIF F

EO

FM/A

M

XOUT

GMND VT

2

PD1

PD2

VT1I

N

VT1 B+ SW

VT2I

N

FM O

SC

AM O

SC

REG

AFC

AGC

MPX

MPX

OSC/

OUT

AM R

F

AM M

IX

AM IF

AM/F

M O

UT

VCO

STOPOS

C

VCC

GND

AM/F

M

L OU

T

R OU

T

IF O

UT

IF M

UT

ST L

ED

TU L

ED

FM D

ET

FM S

D

FM IF

FM75 Ω

75 Ω

AM

ST L

ED

TU L

ED

ST M

UTE

RCLK

+BGND

VTGND

GND

ANT

IN

OSC

OUTGA

FE101

+BGND

VTGND

GND

ANT

IN

OSC

OUT

FE101

IF O

UT

IF O

UT

RDSDECODER

RB101

IFT101

IC103BU1924

IC102LC72130

IC101BA1450

CED

PB641

PLL

FM/AMFRONTEND,IF AMP,MPX

AMP

RG30

QUAL

RDAT

A

VREF

MUX

VDD1

VSS1

VSS3

CMP

RCLK

NC XO XI VDD2

VSS2

T1 T2

RG30DX20

DX20

RG30

AMPQ103,104

DX20

*2 R133,134

470DX200.015FM TUNED LEVEL

DX20100P

*C142

DX20

*C139

220P

RG30

DX20

+BSWITCH

RF IF AMP

DX20

*R106

330 RG30

33µH

DX20

RG30

RG30

DX20

DX20

*1 C131,132

MAIN BOARD(3/5)

(Page 27)

MAIN BOARD(4/5)

MAIN BOARD(5/5)

(Page 28)(Page 29)


46

2929

MHC-DX20

6-8. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (3/5) –

R301

R302

R303

R304

R307

R308

R309

R363

R364

R365R366

R367

R368

R369

R393 R394

R324

R341

R342

R331

R332

R333

R334

R335

R336

R337

R338

Q301

Q302

R325R326

R328

R329

R305R306

R327

C301

C302

C303

C304

C312

C313

C315

C356

C300

C317

C318

C319

C307C308 C309 C310

C311

C333 C334

C337

R313

R314

R315

R316

C338

C339

C340

C344

R317

R318

C342

C343

R320

C345

C346

C347

C348

R323

C349

C350

C321

Q363

Q364

C364

C363

C360

C322

R339 R340

C325 C326

C361 R361

R362C362

C320 C327 C328

JK301

R322

R321

D302

D303

D361

C351

C352

D301

C314

Q365

Q362

Q361

R370

10k

10k

27k

27k

15k

15k

1M

1k

1k

47k10k

1k

100k

22k

56 56

10k

220

220

4.7k

4.7k

2.2k

2.2k

100k

100k

10k

10k

2SC3623A

2SC3623A

15k10k

3.3k

3.3k

2.2k2.2k

2.2k

4.750V

4.750V

4.750V

4.750V

0.1

0.047

4.750V

4.750V

0.1

0.22

0.22

0.22

4.750V

4.750V

4.750V

4.750V

1050V

0.0022 0.0022

0.047

100k

100k

33k

33k

0.047

0.047

0.047

1050V

100k

270k

0.1

0.1

150k

22016V

0.27

1050V

1050V

220

10010V

0.22

0.033

2SC3623A

2SC3623A

2.250V

4750V

0.1

0.1

6.8k 6.8k

0.022 0.022

4.7100VBP

6802W

6802W

4.7100VBP

0.22 0.022 0.022

10k

10k

1SS3

55TE

1SS355TE

1SS355TE

UDZSTE-179.1B

4.750V

DTA124ES

DTA124ES

DTC114ES

X1 X2

36 37 38 48 41

52

21

20

515049

43

18

812

13 14

2728

11

9

53

567808182ABC

E D

*

*

*

F1L1

F1L2

F1R1

F1R2

F2L1

F2L2

F2R1

F2R2

F3L1

F3L2

F3R1

F3R2

F4L1

F4L2

F4R1

F4R2

F5L

F5R

VCC

CAP

FILTER

HPFL1

HPFL2

HPFL3

HPFR1

HPFR2

HPFR3

ALCC

ALCR

BASS1

BASS2

BASS3

OUT R

OUT L

C B A

SCK SI

SETP

C

MD

R

TAPE

R

TUNE

R R

CD R

MD

L

TAPE

L

TUNE

R L

CD L

BP N

F

BP O

UT

INLEGAME

GAMEINRE

PS1

PS2

DPLR2

DPLR1

DPLL2

DPLL1

REC R

REC L

VFC1

GND

VFC2

MIC

IC301BH3878KS2

R

L

DX20

*C351,352

470P

(AUDIO)MD/VIDEO

MUTE

MUTE

DX20

MUTECONTROL

MUTECONTROL

Q361,362MUTE

Q363,364

RG30DX20

*R3704.7k1.5k

INPUT SELECT,TONE/VOLUME CONTROL


(1/5)

MAIN BOARD(Page 25)


MAIN BOARD(4/5)

MAIN BOARD(4/5)

(Page 28)

(Page 28)


MAIN BOARD(2/5) MAIN BOARD(4/5) (Page 28)(Page 26)

2929

MHC-DX20


R301

R302

R303

R304

R307

R308

R309

R363

R364

R365R366

R367

R368

R369

R393 R394

R324

R341

R342

R331

R332

R333

R334

R335

R336

R337

R338

Q301

Q302

R325R326

R328

R329

R305R306

R327

C301

C302

C303

C304

C312

C313

C315

C356

C300

C317

C318

C319

C307C308 C309 C310

C311

C333 C334

C337

R313

R314

R315

R316

C338

C339

C340

C344

R317

R318

C342

C343

R320

C345

C346

C347

C348

R323

C349

C350

C321

Q363

Q364

C364

C363

C360

C322

R339 R340

C325 C326

C361 R361

R362C362

C320 C327 C328

JK301

R322

R321

D302

D303

D361

C351

C352

D301

C314

Q365

Q362

Q361

R370

10k

10k

27k

27k

15k

15k

1M

1k

1k

47k10k

1k

100k

22k

56 56

10k

220

220

4.7k

4.7k

2.2k

2.2k

100k

100k

10k

10k

2SC3623A

2SC3623A

15k10k

3.3k

3.3k

2.2k2.2k

2.2k

4.750V

4.750V

4.750V

4.750V

0.1

0.047

4.750V

4.750V

0.1

0.22

0.22

0.22

4.750V

4.750V

4.750V

4.750V

1050V

0.0022 0.0022

0.047

100k

100k

33k

33k

0.047

0.047

0.047

1050V

100k

270k

0.1

0.1

150k

22016V

0.27

1050V

1050V

220

10010V

0.22

0.033

2SC3623A

2SC3623A

2.250V

4750V

0.1

0.1

6.8k 6.8k

0.022 0.022

4.7100VBP

6802W

6802W

4.7100VBP

0.22 0.022 0.022

10k

10k

1SS3

55TE

1SS355TE

1SS355TE

UDZSTE-179.1B

4.750V

DTA124ES

DTA124ES

DTC114ES

X1 X2

36 37 38 48 41

52

21

20

515049

43

18

812

13 14

2728

11

9

53

567808182ABC

E D

*

*

*

F1L1

F1L2

F1R1

F1R2

F2L1

F2L2

F2R1

F2R2

F3L1

F3L2

F3R1

F3R2

F4L1

F4L2

F4R1

F4R2

F5L

F5R

VCC

CAP

FILTER

HPFL1

HPFL2

HPFL3

HPFR1

HPFR2

HPFR3

ALCC

ALCR

BASS1

BASS2

BASS3

OUT R

OUT L

C B A

SCK SI

SETP

C

MD

R

TAPE

R

TUNE

R R

CD R

MD

L

TAPE

L

TUNE

R L

CD L

BP N

F

BP O

UT

INLEGAME

GAMEINRE

PS1

PS2

DPLR2

DPLR1

DPLL2

DPLL1

REC R

REC L

VFC1

GND

VFC2

MIC

IC301BH3878KS2

R

L

DX20

*C351,352

470P

(AUDIO)MD/VIDEO

MUTE

MUTE

DX20

MUTECONTROL

MUTECONTROL

Q361,362MUTE

Q363,364

RG30DX20

*R3704.7k1.5k

INPUT SELECT,TONE/VOLUME CONTROL


(1/5)

MAIN BOARD(Page 25)


MAIN BOARD(4/5)

MAIN BOARD(4/5)

(Page 28)

(Page 28)


MAIN BOARD(2/5) MAIN BOARD(4/5) (Page 28)(Page 26)

3030

MHC-DX20

6-9. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (4/5) – • Veja pág. 21 para formas de onda • Veja pág. 39 para descrição dos pinos dos IC's.

R601

R602

JR10

R603

R604

R605

R606

JR8

D691C692

R676 R677 R678 R679R671 R672

R673

R674 R675

Q661

CN1

R607

R608

R610

R612R613

R614

R615

R616

R618

R619

R620

R621

R622

R623R624

JR15JR1

C607C608

R644

X601X602

R645

R649R650

JR11

JR16

R655

R665

R661

R663

R664 C665

R632

R634

R635

R633

R636

R637

R643

C601

C602

FB5

C664

C603

C604

C605

C606R656

R626 R627 R628 R629 R630 R631 R658

R657C6

11

C610

FB4

R625

C644 FB6

RV661

CN2

D692 D693

R617

C614

TP71

R647

JR14

R648

R646

C656

C663

C662

R662

C681

JR4

C666

C613

C612

C661

D601

D602

D669

D670

D665

D661 D662

D664

D667

D668

D663

D666

R640

R641

R638

R670

C657

C658

C659

C660

R660

R659

R680

CN701

R611

R609

Q601

Q603

Q605

Q602

Q604

Q606

1k

680

0

1k

680

1k

680

0

11ES247016V

47k 47k 47k 47k47k 47k

47k

47k 47k

2SC2785

10P

100

100

100

10010k

100

100

100

10k

100

220

220

100

100100

00

18p15p

330k

32.7

68kH

z

16MHz10k

10k10k

0

0

0

10k

4.7k

47k

47k10006.3V

10k

10k

100

100

100

100

1k

0.1

1050V

0

0.01

220p

220p220p

220p100

100 100 100 100 100 100

100

10k

0.01 10

50V

0

10k

0.1 0

2.2k

17P

11ES2 11ES2

100

0.1

00

0

10k

0.1

0.1

0.1

1k

0.1

0

0.1

0.001

0.001

1SS355TE

1SS355TE

1SS355TE

1SS355TE

1SS355TE

1SS355TE 1SS355TE

1SS355TE

1SS3

55TE

1SS3

55TE

1SS355TE

1SS355TE

0

3.3k

0.1

0.1

0.1

0.1

100

10k

10k

30P

10k

10k

DTC114ES

DTC114ES

DTC114ES

2SB1116A

2SB1116A

2SB1068

6

54

52

43

4039

4950

3534

51

24 25

17

26 2930

4647

7 53

X3 2223

44

4 5 1 3 213

57

1234

1

234

97

100

E

D

C

41

A

B

F

GH

66

67

68

69

7071

89

90

202122232425262728

32

33

34

35

37

40

42

43

44

45

46

47

48

49

60 61 65 66 67 68 69 70 71 73 74

80 81 82

J

I

K

95

918384

85

86

60

61

65

4445

46474849

19

83

84

85

86

88

91

89

90

7374

100

38

41

88

6

95

IJK

97

*

*1

*2

1

5

10

15

20

25

30

SENS

HOLD

XLT

XRST

OPEN

CLOSE

SQ DAT

SQ CLK

CD DAT OUT

CANT USE

CD CLK

CD POWER

CLOCK OUT

M RESET

LOAD IN

LOAD OUT

UP/DOWN

T SENS

GAME/DVD

PROTECT

VACS

AVSS

POWER

AVCC

S IN

AV REF

VIDEO SW2

SPEC IN

MODE IN

SP/VACS

B SHUT

ASHUT

FRONT RELAY

REAR RELAY

STB RELAY

STK MUT

LINE MUT

SP LATC

SP LATB

VDD

VSS

AMS

BIAS

SP L

ATA

REC

MUT

PB M

UT

TC R

ELAY

PB A

/B

POW

ER K

EY

DISP

LAY

KEY

B PL

AY

A PL

AY

B HA

LF

A HA

LF

B RE

C RE

W

B RE

C KE

Y

CAPM

CON

T

SOFT

TES

T

B TR

G

A TR

G

SUR3

SUR2

SUR1

494

LT

494

CLK

494

DAT

REAR

MUT

CENT

MUT

NO U

SEVC

D

VCD

SCOR

NMI

VCC

XIN

VSS

XOUT

RESE

T

CNXS

S

BYTE

NO USE

S OU

T

S CL

K

S BS

Y

REM

OTE

IN

3878

DAT

3878

LAT

3878

CLK

XC IN

XC O

UT

AC O

UT

RDS

INT

RDS

DATA

ST M

UTE

STER

EO(IN

)

TUNE

D

ST C

E

ST D

OUT

ST D

IN

ST C

LK

IC401M30622MAA

IC661M51943BSL

GND

VFVP

VFVFGND

GAME LGAME GNDGAME R

POWER ONVIDEO SWPOWER KEYDISPLAY KEYM RESETREMOTE INS BSYS CLKS OUTS INNO USELED GNDMIC +12VMIC SIGMIC GNDHP RHP GNDHP LD GNDEVER +5V+5V(SW)

MTR CTN2M GND

MTR CTN1M +7VD +5VOPEN SWCLOSE SWUP/DOWN SWADDRESS SWD GND

GND NC

CAPM

+

NCNC

A HA

FEA

MOD

EA

PHOT

OA

SOL

B HA

FEB

MOD

EB

PHOT

OB

SOL

RESET

MOT

OR H

MOT

OR L

REC(

FWD)

REC(

REW

)

MT GND

MASTERCONTROL

DX20

*C661

22/50V

RESETQ661

INV.

RG30DX20

47k10k

RG30

*1 R64033k47k

*2 R641

1.5k22k

TAPE SPEED

TAPE DECK BLOCK

SUPPLIED WITHTHE ASSSENBLED

BLOCK( (

DX20DX

20

Q601,602A TRIG DRIVE

A TRIG DRIVEQ603,604

Q605,606CAP MOTOR DRIVE

DX20:EADX20:KR,SP,TH

AR,E2,E51,MXDX20:

MAINBOARD(3/5)

MAINBOARD(2/5)

(Page 26)

(Page 27)

MAINBOARD(5/5)

(Page 29)

MAINBOARD(3/5)

(Page 27)

MAINBOARD(5/5)

(Page 29)

MAINBOARD(5/5)

(Page 29)


BOARDCN701

DRIVER

(Page 36)

BOARDPANEL

CN711(Page 33)

MAINBOARD(3/5) (Page 27)


3030

MHC-DX20

6-9. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (4/5) – • Veja pág. 21 para formas de onda • Veja pág. 39 para descrição dos pinos dos IC's.

R601

R602

JR10

R603

R604

R605

R606

JR8

D691C692

R676 R677 R678 R679R671 R672

R673

R674 R675

Q661

CN1

R607

R608

R610

R612R613

R614

R615

R616

R618

R619

R620

R621

R622

R623R624

JR15JR1

C607C608

R644

X601X602

R645

R649R650

JR11

JR16

R655

R665

R661

R663

R664 C665

R632

R634

R635

R633

R636

R637

R643

C601

C602

FB5

C664

C603

C604

C605

C606R656

R626 R627 R628 R629 R630 R631 R658

R657C6

11

C610

FB4

R625

C644 FB6

RV661

CN2

D692 D693

R617

C614

TP71

R647

JR14

R648

R646

C656

C663

C662

R662

C681

JR4

C666

C613

C612

C661

D601

D602

D669

D670

D665

D661 D662

D664

D667

D668

D663

D666

R640

R641

R638

R670

C657

C658

C659

C660

R660

R659

R680

CN701

R611

R609

Q601

Q603

Q605

Q602

Q604

Q606

1k

680

0

1k

680

1k

680

0

11ES247016V

47k 47k 47k 47k47k 47k

47k

47k 47k

2SC2785

10P

100

100

100

10010k

100

100

100

10k

100

220

220

100

100100

00

18p15p

330k

32.7

68kH

z

16MHz10k

10k10k

0

0

0

10k

4.7k

47k

47k10006.3V

10k

10k

100

100

100

100

1k

0.1

1050V

0

0.01

220p

220p220p

220p100

100 100 100 100 100 10010

0

10k

0.01 10

50V

0

10k

0.1 0

2.2k

17P

11ES2 11ES2

100

0.1

00

0

10k

0.1

0.1

0.1

1k

0.1

0

0.1

0.001

0.001

1SS355TE

1SS355TE

1SS355TE

1SS355TE

1SS355TE

1SS355TE 1SS355TE

1SS355TE

1SS3

55TE

1SS3

55TE

1SS355TE

1SS355TE

0

3.3k

0.1

0.1

0.1

0.1

100

10k

10k

30P

10k

10k

DTC114ES

DTC114ES

DTC114ES

2SB1116A

2SB1116A

2SB1068

6

54

52

43

4039

4950

3534

51

24 25

17

26 2930

4647

7 53

X3 2223

44

4 5 1 3 213

57

1234

1

234

97

100

E

D

C

41

A

B

F

GH

66

67

68

69

7071

89

90

202122232425262728

32

33

34

35

37

40

42

43

44

45

46

47

48

49

60 61 65 66 67 68 69 70 71 73 74

80 81 82J

I

K

95

918384

85

86

60

61

65

4445

46474849

19

83

84

85

86

88

91

89

90

7374

100

38

41

88

6

95

IJK

97

*

*1

*2

1

5

10

15

20

25

30

SENS

HOLD

XLT

XRST

OPEN

CLOSE

SQ DAT

SQ CLK

CD DAT OUT

CANT USE

CD CLK

CD POWER

CLOCK OUT

M RESET

LOAD IN

LOAD OUT

UP/DOWN

T SENS

GAME/DVD

PROTECT

VACS

AVSS

POWER

AVCC

S IN

AV REF

VIDEO SW2

SPEC IN

MODE IN

SP/VACS

B SHUT

ASHUT

FRONT RELAY

REAR RELAY

STB RELAY

STK MUT

LINE MUT

SP LATC

SP LATB

VDD

VSS

AMS

BIAS

SP L

ATA

REC

MUT

PB M

UT

TC R

ELAY

PB A

/B

POW

ER K

EY

DISP

LAY

KEY

B PL

AY

A PL

AY

B HA

LF

A HA

LF

B RE

C RE

W

B RE

C KE

Y

CAPM

CON

T

SOFT

TES

T

B TR

G

A TR

G

SUR3

SUR2

SUR1

494

LT

494

CLK

494

DAT

REAR

MUT

CENT

MUT

NO U

SEVC

D

VCD

SCOR

NMI

VCC

XIN

VSS

XOUT

RESE

T

CNXS

S

BYTE

NO USE

S OU

T

S CL

K

S BS

Y

REM

OTE

IN

3878

DAT

3878

LAT

3878

CLK

XC IN

XC O

UT

AC O

UT

RDS

INT

RDS

DATA

ST M

UTE

STER

EO(IN

)

TUNE

D

ST C

E

ST D

OUT

ST D

IN

ST C

LK

IC401M30622MAA

IC661M51943BSL

GND

VFVP

VFVFGND



MTR CTN2M GND

MTR CTN1M +7VD +5VOPEN SWCLOSE SWUP/DOWN SWADDRESS SWD GND

GND NC

CAPM

+

NCNC

A HA

FEA

MOD

EA

PHOT

OA

SOL

B HA

FEB

MOD

EB

PHOT

OB

SOL

RESET

MOT

OR H

MOT

OR L

REC(

FWD)

REC(

REW

)

MT GND

MASTERCONTROL

DX20

*C661

22/50V

RESETQ661

INV.

RG30DX20

47k10k

RG30

*1 R64033k47k

*2 R641

1.5k22k

TAPE SPEED

TAPE DECK BLOCK

SUPPLIED WITHTHE ASSSENBLED

BLOCK( (

DX20DX

20

Q601,602A TRIG DRIVE

A TRIG DRIVEQ603,604

Q605,606CAP MOTOR DRIVE

DX20:EADX20:KR,SP,TH

AR,E2,E51,MXDX20:

MAINBOARD(3/5)

MAINBOARD(2/5)

(Page 26)

(Page 27)

MAINBOARD(5/5)

(Page 29)

MAINBOARD(3/5)

(Page 27)

MAINBOARD(5/5)

(Page 29)

MAINBOARD(5/5)

(Page 29)


BOARDCN701

DRIVER

(Page 36)

BOARDPANEL

CN711(Page 33)

MAINBOARD(3/5) (Page 27)


3131

MHC-DX20


Q381 Q382

Q385

Q386

Q387

C371C372

C373C374

C686C687 C688 C690C689 C691

C698C697

RY371

R383R384

R385

R386

R387

R388

R389

C381

C375C376

L371

L372

C382

C383

C685

L671

C676C674 C675

CN403

R377R378

R379

R380

JW8

JW9

C683 C684

C672

C673

C678

C679

C693 C694

C671

C677

D686

D383

D372

D685

JK302

Q384

Q383

D687 D688

D689 D690

D694 D695

C699

JR638

CN102

FB2 0µH

0µH100µH

JR640

Q682

R681D681 D682

D683 D684

Q681R382

R381

CN402

FB1

2SC2785 2SC2785

2SC2785

2SC2785

2SC2785

0.10.1

0.10.1

1050V

10006.3V

1050V

1050V

10010V

10010V

1050V

220025V

10k10k

33k

22k

4.7k

22k

5.6k

10010V

1000p1000p

2.250V

2.250V

220016V

10010V

100p 4706.3V

101/2W

101/2W

101/2W

101/2W

0.1 0.1

100p

100p

100p

100p

0.01 0.01

10006.3V

47010V

1SS355TE

1SS355TE

1SS355TE

1SS355TE

DTC114ES

2SA1175

11ES2N 11ES2N

11ES2N 11ES2N

11ES2N 11ES2N

47016V

0

19P

0

DTC114ES

011ES2N 11ES2N

11ES2N 11ES2N

RT1P137S

13P

1746 47

3637

38

3940

48

2524

2827

30

41

29

26

2223

X3

1644 35 34 21 20

18

19

32

3334

40

42

4335

37

H

38

F G

42

*

*

PH671

CD DIGITALOUT+5V

OUTIC681UPC7805A UPC7805A

IC682 IC683UPC7812A

IC684

VF VF -B VP

L OU

T

R OU

T

SP G

NDSP

GND

PW G

ND AC4

AC4

AC3

AC3

STBY

PROTECTOR

L OUT

R OUTA GND

+12V GNDREG+12VFAN ON

EVER +5VD GNDSTK MUT

+7V

+B SWITCHQ681,682

+12V REG+5V REG +5V REG

OUTING

OUTING

OUTING

OPTICAL

OUTING

+9V REG

SCORSOCKSENSSOSOHOLDCLOKXLTDATAXRSTA+5V(SW)ROUTAGNDLOUTDGNDDOUTD+5V(SW)+5V

MGND

SPEAKER

USE 6-16Ω

+-

+-

AVDD

DVDD

CD/R

CD/L

R

LIMPEDANCE

DRIVERELAY

Q384,385

PROTECTSWITCH

PROTECTSWITCH

PROTECTSWITCH

PROTECTQ381,382

DETECTOR

M5F7809AFH

GND

DX20

47kRG30DX20

*R38256k

RG30DX2056k

47k*R381

RG30

MAIN BOARD(4/5)

MAIN BOARD(3/5)

(Page 28)

(Page 27)

BOARDCN502

POWER AMP

(Page 31)

BOARDBD

CN101(Page 23)

MAIN BOARD(4/5)

(Page 28)

BOARDCN403

POWER AMP

(Page 31)

MAIN BOARD(2/5) MAIN BOARD(4/5) MAIN BOARD(3/5)

MAIN BOARD(3/5)(Page 26) (Page 28)

(Page 27) (Page 27)MAIN BOARD(4/5) (Page 28)

3131

MHC-DX20


Q381 Q382

Q385

Q386

Q387

C371C372

C373C374

C686C687 C688 C690C689 C691

C698C697

RY371

R383R384

R385

R386

R387

R388

R389

C381

C375C376

L371

L372

C382

C383

C685

L671

C676C674 C675

CN403

R377R378

R379

R380

JW8

JW9

C683 C684

C672

C673

C678

C679

C693 C694

C671

C677

D686

D383

D372

D685

JK302

Q384

Q383

D687 D688

D689 D690

D694 D695

C699

JR638

CN102

FB2 0µH

0µH100µH

JR640

Q682

R681D681 D682

D683 D684

Q681R382

R381

CN402

FB1

2SC2785 2SC2785

2SC2785

2SC2785

2SC2785

0.10.1

0.10.1

1050V

10006.3V

1050V

1050V

10010V

10010V

1050V

220025V

10k10k

33k

22k

4.7k

22k

5.6k

10010V

1000p1000p

2.250V

2.250V

220016V

10010V

100p 4706.3V

101/2W

101/2W

101/2W

101/2W

0.1 0.1

100p

100p

100p

100p

0.01 0.01

10006.3V

47010V

1SS355TE

1SS355TE

1SS355TE

1SS355TE

DTC114ES

2SA1175

11ES2N 11ES2N

11ES2N 11ES2N

11ES2N 11ES2N

47016V

0

19P

0

DTC114ES

011ES2N 11ES2N

11ES2N 11ES2N

RT1P137S

13P

1746 47

3637

38

3940

48

2524

2827

30

41

29

26

2223

X3

1644 35 34 21 20

18

19

32

3334

40

42

4335

37

H

38

F G

42

*

*

PH671

CD DIGITALOUT+5V

OUTIC681UPC7805A UPC7805A

IC682 IC683UPC7812A

IC684

VF VF -B VP

L OU

T

R OU

T

SP G

NDSP

GND

PW G

ND AC4

AC4

AC3

AC3

STBY

PROTECTOR

L OUT

R OUTA GND

+12V GNDREG+12VFAN ON

EVER +5VD GNDSTK MUT

+7V

+B SWITCHQ681,682

+12V REG+5V REG +5V REG

OUTING

OUTING

OUTING

OPTICAL

OUTING

+9V REG

SCORSOCKSENSSOSOHOLDCLOKXLTDATAXRSTA+5V(SW)ROUTAGNDLOUTDGNDDOUTD+5V(SW)+5V

MGND

SPEAKER

USE 6-16Ω

+-

+-

AVDD

DVDD

CD/R

CD/L

R

LIMPEDANCE

DRIVERELAY

Q384,385

PROTECTSWITCH

PROTECTSWITCH

PROTECTSWITCH

PROTECTQ381,382

DETECTOR

M5F7809AFH

GND

DX20

47kRG30DX20

*R38256k

RG30DX2056k

47k*R381

RG30

MAIN BOARD(4/5)

MAIN BOARD(3/5)

(Page 28)

(Page 27)

BOARDCN502

POWER AMP

(Page 31)

BOARDBD

CN101(Page 23)

MAIN BOARD(4/5)

(Page 28)

BOARDCN403

POWER AMP

(Page 31)

MAIN BOARD(2/5) MAIN BOARD(4/5) MAIN BOARD(3/5)

MAIN BOARD(3/5)(Page 26) (Page 28)

(Page 27) (Page 27)MAIN BOARD(4/5) (Page 28)

3232

MHC-DX20

6-11. PLACA DE CIRCUITO IMPRESSO - SEÇÃO POWER AMP – • Veja pág. 21 para localização das placas de circuito.

Ref. No. Location

D501 B-5D502 B-4D541 C-5D542 A-3D543 A-3D551 B-4

IC501 A-5

Q501 B-5Q503 B-5Q504 B-5Q551 B-4Q581 B-5


POWER AMP BOARD

11(13)

21(21)

DX20

1-681-448-

D

FMAIN BOARD(Page 24)

MAIN BOARD(Page 24)

RG30

RG30/DX20:KR

C TRANS BOARD(Page 34)

(CHASSIS)

DX20

RG30/DX20:KR

RG30/DX20:KR(CHASSIS)

E E

E

EER5

13

R519

_+

1

13

1

13

1

13

2 3 4 5 6 7

A

1

B

C

D

3232

MHC-DX20

6-11. PLACA DE CIRCUITO IMPRESSO - SEÇÃO POWER AMP – • Veja pág. 21 para localização das placas de circuito.

Ref. No. Location

D501 B-5D502 B-4D541 C-5D542 A-3D543 A-3D551 B-4

IC501 A-5

Q501 B-5Q503 B-5Q504 B-5Q551 B-4Q581 B-5


POWER AMP BOARD

11(13)

21(21)

DX20

1-681-448-

D

FMAIN BOARD(Page 24)

MAIN BOARD(Page 24)

RG30

RG30/DX20:KR

C TRANS BOARD(Page 34)

(CHASSIS)

DX20

RG30/DX20:KR

RG30/DX20:KR(CHASSIS)

E E

E

EER5

13

R519

_+

1

13

1

13

1

13

2 3 4 5 6 7

A

1

B

C

D

3333

MHC-DX20

6-12. DIAGRAMA ESQUEMÁTICO - SEÇÃO POWER AMP –

Q504

Q501

Q551

Q503

C542C592

C541

C591

C501

C503

C504

C511

C512

C543

R501

R502

R512

R561

CN501

R505

R506

D501

D502R507

C507

C508

D551

D542D543

C545C544

JW501

C551R551 C553

C554

C559

R552

R581

R582

R514

R515

R516 R517

R556

R557C557

C558

R559

C509 R511

JW51

3

EP501

EP502

C513C502

C552

R503

R553

R504

Q581

R509

R513

R519

R510R508

R558

R560

R555

R541 R591

D541

CN502

CN503

R554

R518

2SC1841

2SC1841

2SC1841

2SA988

220050V 2200

50V

0.1100V

0.1100V

1050V

100p

2250V

0.01

0.001

0.1

1k

56k

11/4W

1001/4W

1k

15k

1SS133T

1SS133T100k

0.068

0.068

1SS133T

11ES211ES2

330035V

100025V

1050V 1k 100p

2225V

2250V

56k

33k

33k

2.2k

22k

10k 2.2k

15k

100k0.068

0.068

101/2W

2250V

1001/4W

2SC1841

101/2W

22k

22k

0.222W 0.22

2W

0.222W

0.222W

1k

22k1/2W 22k

1/2W

D5SBA204101

13P

13P

10k

**

*

*

*

*

*

+VCCPRE

BIAS

+VCC

-VCC

CH1 IN

CH1 NFCH1 +VE

CH1 -VE

CH2 +VE

CH2 -VE

PRE -VCCSUB GND

CH2 NF

CH2 IN

PROT

ECTO

R

L OU

T

R OU

TA

GND

+12V

GND

REG+

12V

FAN

ON

EVER

+5V

D GN

DST

K M

UT VF VF -B VP

L OU

T

R OU

T

SP G

NDSP

GND

PW G

ND AC4

AC4

AC3

AC3

AC4AC4

AC3AC3

VFVFVPD GNDEVER +5V

STBY

REL

AY

STBY RELAY

AC1GNDAC1

IC501

POWER AMP

(CHASSIS)

(CHASSIS)

*C513

0.001

0.001

*C502,552

*R503

1.2k

1.2k

RG30DX20

*R50433k56k

MUTEDRIVER

BUFFERMUTE

Q503,504 PROTECTION

PROTECTION

DX20

DX20

RG30DX20

33k56k

*R554

STK402-0705(1/2)

IC501STK402-0705(2/2)

RG30/DX20:KR

*R553

DX20KR

MAINBOARD(5/5)

(Page 29)

MAINBOARD(5/5)

(Page 29)

BOARDTRANS

(Page 35)

3333

MHC-DX20

6-12. DIAGRAMA ESQUEMÁTICO - SEÇÃO POWER AMP –

Q504

Q501

Q551

Q503

C542C592

C541

C591

C501

C503

C504

C511

C512

C543

R501

R502

R512

R561

CN501

R505

R506

D501

D502R507

C507

C508

D551

D542D543

C545C544

JW501

C551R551 C553

C554

C559

R552

R581

R582

R514

R515

R516 R517

R556

R557C557

C558

R559

C509 R511

JW51

3

EP501

EP502

C513C502

C552

R503

R553

R504

Q581

R509

R513

R519

R510R508

R558

R560

R555

R541 R591

D541

CN502

CN503

R554

R518

2SC1841

2SC1841

2SC1841

2SA988

220050V 2200

50V

0.1100V

0.1100V

1050V

100p

2250V

0.01

0.001

0.1

1k

56k

11/4W

1001/4W

1k

15k

1SS133T

1SS133T100k

0.068

0.068

1SS133T

11ES211ES2

330035V

100025V

1050V 1k 100p

2225V

2250V

56k

33k

33k

2.2k

22k

10k 2.2k

15k

100k0.068

0.068

101/2W

2250V

1001/4W

2SC1841

101/2W

22k

22k

0.222W 0.22

2W

0.222W

0.222W

1k

22k1/2W 22k

1/2W

D5SBA204101

13P

13P

10k

**

*

*

*

*

*

+VCCPRE

BIAS

+VCC

-VCC

CH1 IN

CH1 NFCH1 +VE

CH1 -VE

CH2 +VE

CH2 -VE

PRE -VCCSUB GND

CH2 NF

CH2 IN

PROT

ECTO

R

L OU

T

R OU

TA

GND

+12V

GND

REG+

12V

FAN

ON

EVER

+5V

D GN

DST

K M

UT VF VF -B VP

L OU

T

R OU

T

SP G

NDSP

GND

PW G

ND AC4

AC4

AC3

AC3

AC4AC4

AC3AC3

VFVFVPD GNDEVER +5V

STBY

REL

AY

STBY RELAY

AC1GNDAC1

IC501

POWER AMP

(CHASSIS)

(CHASSIS)

*C513

0.001

0.001

*C502,552

*R503

1.2k

1.2k

RG30DX20

*R50433k56k

MUTEDRIVER

BUFFERMUTE

Q503,504 PROTECTION

PROTECTION

DX20

DX20

RG30DX20

33k56k

*R554

STK402-0705(1/2)

IC501STK402-0705(2/2)

RG30/DX20:KR

*R553

DX20KR

MAINBOARD(5/5)

(Page 29)

MAINBOARD(5/5)

(Page 29)

BOARDTRANS

(Page 35)

3434

MHC-DX20

6-13. PLACA DE CIRCUITO IMPRESSO - SEÇÃO PAINEL • Veja pág. 21 para localização das placas de circuito.

Ref. No. Location

D701 A-9D702 B-2D703 B-2D704 A-2D705 A-2D706 B-9D707 H-3D708 F-4D709 G-7D710 G-7D713 C-4D716 B-2D717 B-2D718 A-2D719 A-2D720 B-9D721 D-3

IC701 B-5IC702 D-7SEN701 A-7

Q701 A-8Q702 B-3Q703 B-3Q704 B-3Q705 B-3Q706 B-8Q707 F-3Q708 G-3Q709 G-6Q710 G-6Q711 B-6


PANEL BOARD

KEY BOARD

11(13)

11(21)1-681-447-

DX20 RG30

11(13)

21(21)

1-681-446-

DX20 RG30

DX20

J702MIC

VR703MIC LEVEL

(CHASSIS)

(CHASSIS)

AMAIN

BOARD(Page 24)

(CHASSIS)

>

Mx

X

Z

B

B

B

B

gG>M

E

VIDEO OUT BOARD

11(13)

21(21)

1-681-441-

DX20 RG30

1

1 2

L

R

(CHASSIS)

CLP4 CN714

JK705VIDEOOUT

2

IC702

12

67 5

43

1

J701PHONES

VOLUME

S701,702,704-738

267 5

43

12

67 5

43

12

3029

DX20

TUNER/BAND

E

E

E

E

61 60

20 21

80

1

41

40

E

DX20

1 4

58

113

113

DISPLAY

MUSIC EQ

EFFECT ON/OFF

GROOVEGAME EQ

DISC SKIPEX–CHANGE

DISC 1

DISC 2

DISC 3OPEN/LCOSE

P.FILE

ENTER

SPECTRUM

MOVIE EQ

TUNER MEMORY/PLAY MODE

E

E

KARAOKE PON

DX20

DIRECTION/EDITSTEREO/MONO

REPEAT

+

E

31

AUDIO

INPUT

VIDEO

IC701

2 3 4 5 6 7 8 9 10

A

1

B

C

D

E

F

G

H

I

3434

MHC-DX20

6-13. PLACA DE CIRCUITO IMPRESSO - SEÇÃO PAINEL • Veja pág. 21 para localização das placas de circuito.

Ref. No. Location

D701 A-9D702 B-2D703 B-2D704 A-2D705 A-2D706 B-9D707 H-3D708 F-4D709 G-7D710 G-7D713 C-4D716 B-2D717 B-2D718 A-2D719 A-2D720 B-9D721 D-3

IC701 B-5IC702 D-7SEN701 A-7

Q701 A-8Q702 B-3Q703 B-3Q704 B-3Q705 B-3Q706 B-8Q707 F-3Q708 G-3Q709 G-6Q710 G-6Q711 B-6


PANEL BOARD

KEY BOARD

11(13)

11(21)1-681-447-

DX20 RG30

11(13)

21(21)

1-681-446-

DX20 RG30

DX20

J702MIC

VR703MIC LEVEL

(CHASSIS)

(CHASSIS)

AMAIN

BOARD(Page 24)

(CHASSIS)

>

Mx

X

Z

B

B

B

B

gG>M

E

VIDEO OUT BOARD

11(13)

21(21)

1-681-441-

DX20 RG30

1

1 2

L

R

(CHASSIS)

CLP4 CN714

JK705VIDEOOUT

2

IC702

12

67 5

43

1

J701PHONES

VOLUME

S701,702,704-738

267 5

43

12

67 5

43

12

3029

DX20

TUNER/BAND

E

E

E

E

61 60

20 21

80

1

41

40

E

DX20

1 4

58

113

113

DISPLAY

MUSIC EQ

EFFECT ON/OFF

GROOVEGAME EQ

DISC SKIPEX–CHANGE

DISC 1

DISC 2

DISC 3OPEN/LCOSE

P.FILE

ENTER

SPECTRUM

MOVIE EQ

TUNER MEMORY/PLAY MODE

E

E

KARAOKE PON

DX20

DIRECTION/EDITSTEREO/MONO

REPEAT

+

E

31

AUDIO

INPUT

VIDEO

IC701

2 3 4 5 6 7 8 9 10

A

1

B

C

D

E

F

G

H

I

3535

MHC-DX20

6-14. DIAGRAMA ESQUEMÁTICO - SEÇÃO PAINEL • Veja pág. 21 para formas de onda.

SEN701

C708 C709

R747

R749

R750

R752

R753

R756C710 C711

R758C712 C713

R760C714 C715

R762

C722

C723

C724

C725

C726

C727

C728

C729

C730

C731

C732

C733

R798R797

R746R745

S726

R727R728R729R730R731R732R733R734R735R736R737

S727S731S732S733S734S735S736S738

S713

R714R715R716R717R718R719R720R721

S714S715S716S717S718S719S720S721

R703R704R705R706R707R708R709R710R711

S704S705S706S707S708

S709S710S711

R713

R726

S725

R725

S724S723S722

S702R702

R722 R723 R724

C735

C734

C738C739

R770R771

R772

C760 C761

C762

C763

C765

C754

C755

C756C757

C758

C759

JW706

JW707

C766

R784

JW704

JW705R786

R788

VR703

R792

R791R789

C720

R765RES701

C716

C721

S728S729S730S737

C704C705

R769

R796

R805R806

C778

C779

R743

R744

R741

R742

JW710

JW713

CN714

R755

JW70

8

JW709

C701

C702

R701

R748

CN715

C703

C770

D702

Q702

D716

Q703

D717

D703

Q704

D718

D704

Q705

D719

D705

Q706

D720

D706

D701

Q701R738

C777

C706

C707

J705CN174

WIRE701

WIRE704

WIRE702

J701PHONES

C736

C737

CN711

D721

FB7010µH

D713

Q709 Q710

Q707 Q708

D707

D710D709

CN712

S712

R768

IC702(1/2)

IC702(2/2)

R787

R790

R764

R763

R761

R759

R757

R785

R783

J702

WIRE703

R740

S701

Q711

C775

D708

100p 100p

10k

10k

10k

10k

10k

100100p 100p

100100p 100p

100100p 100p

100

100p

100p

100p

100p

100p

100p

100p

100p

100p

100p

100p

100p

330330

3303303304705606801k1.2k1.8k2.7k3.3k4.7k6.8k

3304705606801k1.2k1.8k2.7k

4705606801k1.2k1.8k2.7k3.3k4.7k

270

270

10k

330

3.3k 4.7k 6.8k

0.01

0.01

10010V

10010V

1k12k

10k

2.250V

47p

100p

2.250V

1050V

47p

0.2250V

0.0010.01

0.150V

470p

1050V

100k

1k

100

50K

100k

10010k

0.01

1M5MHZ

0.022

4710V

4710V

0.001

47

47

180120

0.1

0.1

27k

27k

10k

10k

10k

3350V

3350V

270

10k

0.01

0.1

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

SEL5955A

SEL223C

DTA124ESLED

DRIVE

0.1

0.001

0.001

30P

1SS133T

1SS133T

DTC114ESLED

DRIVE

DTC114ESLED

DRIVE

DTC114ESLED

DRIVE

DTC114ESLED

DRIVE

SEL5223S

SEL5923ASEL5923A

13P

100

NJM4565M-TE2

NJM4565M-TE2

22k

180k

10k

10k

10k

10k

10k

10k

1k

82

2SC2875BUFFER

0.01

SEL5223S

6

13

14

7

8

9

10

21 22 26 27 28 29

30 31 32 33 34

37 38 39 4041

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

6162636465666768697071727374757677787980

68 67 66 65 64 63 62 61 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 69 70 71 72 73 74 75 76 77 78 79 80

69 70 71 72 73 74 75 76 77 78 79 80

31 32 33 34 30

21 22 26 2728 29

6

789

10

13

14

17

17

**

*

1

5

10

15

20

25

30

IC701

DISPLAYCONTROL

GND

VFVP

VFVFGND



DISC 1DISC 2DISC 3 DISC SKIP

CD SYNCREC PAUSE/START

EFFECT ON/OFF P.FILE ENTERPLAY MODE

STEREO/MONOREPEAT

DIRECTION DISPLAY

MD(VIDEO) TAPE A/B TUNER/BAND CD

4

3

2

1

87

6

5

(CHASSIS)

(CHASSIS)

J704

(CHASSIS)

KEY1

KEY0

VSS

AVDD

VDD

DVD5

.1

LED

LED

LED

LED

LED

LED

LED

LED

NC S29

S28

S27

S26

VLOOD

VDD2

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24

S25

G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10

G11 S0 S1 S2 S3 S4 S5 S6 S7

VDD

VSS

X1

X2

IC

RESET

S

S

S

SBSY

NC

NC

VOL

VOL

NC

NC

HEADPHONE

AVSS

NC

KEY2

FLUORESCENTINDICATOR

TUBE

FLD1

(CHASSIS)

MD(VIDEO) TAPE A/B CD TUNER/BAND GAME

I/

RG30DX20

*R7381k

2.2k

DX20

RG30DX20

*C706,707100P0.001

VIDEOOUT

R

L

VIDEO

AUDIO

GAMEIN

VR701ROTARY

ENCODER( (

VOLUME

SEN701NJL64H400A-1

REMOTECONTROL

RECEIVER

GAME

GROO

VE

GROOVEKARAOKE PON

DX20

GROOVEKARAOKE PON EX-CHANGE

DX20

OPEN/CLOSE

MOVIE EQ MUSIC EQ GAME EQ TUNER MEMORY/EDIT

SPECTRUM

+ -

UPD780232GC- 031-8BT

MICAMP

MIC LEVEL

MIC

I/

DX20

RECPAUSE/START ENTER

BOARDMAIN

(Page 28)(4/5)

3535

MHC-DX20

6-14. DIAGRAMA ESQUEMÁTICO - SEÇÃO PAINEL • Veja pág. 21 para formas de onda.

SEN701

C708 C709

R747

R749

R750

R752

R753

R756C710 C711

R758C712 C713

R760C714 C715

R762

C722

C723

C724

C725

C726

C727

C728

C729

C730

C731

C732

C733

R798R797

R746R745

S726

R727R728R729R730R731R732R733R734R735R736R737

S727S731S732S733S734S735S736S738

S713

R714R715R716R717R718R719R720R721

S714S715S716S717S718S719S720S721

R703R704R705R706R707R708R709R710R711

S704S705S706S707S708

S709S710S711

R713

R726

S725

R725

S724S723S722

S702R702

R722 R723 R724

C735

C734

C738C739

R770R771

R772

C760 C761

C762

C763

C765

C754

C755

C756C757

C758

C759

JW706

JW707

C766

R784

JW704

JW705R786

R788

VR703

R792

R791R789

C720

R765RES701

C716

C721

S728S729S730S737

C704C705

R769

R796

R805R806

C778

C779

R743

R744

R741

R742

JW710

JW713

CN714

R755

JW70

8

JW709

C701

C702

R701

R748

CN715

C703

C770

D702

Q702

D716

Q703

D717

D703

Q704

D718

D704

Q705

D719

D705

Q706

D720

D706

D701

Q701R738

C777

C706

C707

J705CN174

WIRE701

WIRE704

WIRE702

J701PHONES

C736

C737

CN711

D721

FB7010µH

D713

Q709 Q710

Q707 Q708

D707

D710D709

CN712

S712

R768

IC702(1/2)

IC702(2/2)

R787

R790

R764

R763

R761

R759

R757

R785

R783

J702

WIRE703

R740

S701

Q711

C775

D708

100p 100p

10k

10k

10k

10k

10k

100100p 100p

100100p 100p

100100p 100p

100

100p

100p

100p

100p

100p

100p

100p

100p

100p

100p

100p

100p

330330

3303303304705606801k1.2k1.8k2.7k3.3k4.7k6.8k

3304705606801k1.2k1.8k2.7k

4705606801k1.2k1.8k2.7k3.3k4.7k

270

270

10k

330

3.3k 4.7k 6.8k

0.01

0.01

10010V

10010V

1k12k

10k

2.250V

47p

100p

2.250V

1050V

47p

0.2250V

0.0010.01

0.150V

470p

1050V

100k

1k

100

50K

100k

10010k

0.01

1M5MHZ

0.022

4710V

4710V

0.001

47

47

180120

0.1

0.1

27k

27k

10k

10k

10k

3350V

3350V

270

10k

0.01

0.1

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

SEL5955A

DTC114ESLED

DRIVE

SEL5955A

SEL5955A

SEL223C

DTA124ESLED

DRIVE

0.1

0.001

0.001

30P

1SS133T

1SS133T

DTC114ESLED

DRIVE

DTC114ESLED

DRIVE

DTC114ESLED

DRIVE

DTC114ESLED

DRIVE

SEL5223S

SEL5923ASEL5923A

13P

100

NJM4565M-TE2

NJM4565M-TE2

22k

180k

10k

10k

10k

10k

10k

10k

1k

82

2SC2875BUFFER

0.01

SEL5223S

6

13

14

7

8

9

10

21 22 26 27 28 29

30 31 32 33 34

37 38 39 40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

6162636465666768697071727374757677787980

68 67 66 65 64 63 62 61 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 69 70 71 72 73 74 75 76 77 78 79 80

69 70 71 72 73 74 75 76 77 78 79 80

31 32 33 34 30

21 22 26 2728 29

6

789

10

13

14

17

17

**

*

1

5

10

15

20

25

30

IC701

DISPLAYCONTROL

GND

VFVP

VFVFGND



DISC 1DISC 2DISC 3 DISC SKIP

CD SYNCREC PAUSE/START

EFFECT ON/OFF P.FILE ENTERPLAY MODE

STEREO/MONOREPEAT

DIRECTION DISPLAY

MD(VIDEO) TAPE A/B TUNER/BAND CD

4

3

2

1

87

6

5

(CHASSIS)

(CHASSIS)

J704

(CHASSIS)

KEY1

KEY0

VSS

AVDD

VDD

DVD5

.1

LED

LED

LED

LED

LED

LED

LED

LED

NC S29

S28

S27

S26

VLOOD

VDD2

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24

S25

G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10

G11 S0 S1 S2 S3 S4 S5 S6 S7

VDD

VSS

X1

X2

IC

RESET

S

S

S

SBSY

NC

NC

VOL

VOL

NC

NC

HEADPHONE

AVSS

NC

KEY2

FLUORESCENTINDICATOR

TUBE

FLD1

(CHASSIS)

MD(VIDEO) TAPE A/B CD TUNER/BAND GAME

I/

RG30DX20

*R7381k

2.2k

DX20

RG30DX20

*C706,707100P0.001

VIDEOOUT

R

L

VIDEO

AUDIO

GAMEIN

VR701ROTARY

ENCODER( (

VOLUME

SEN701NJL64H400A-1

REMOTECONTROL

RECEIVER

GAME

GROO

VE

GROOVEKARAOKE PON

DX20

GROOVEKARAOKE PON EX-CHANGE

DX20

OPEN/CLOSE

MOVIE EQ MUSIC EQ GAME EQ TUNER MEMORY/EDIT

SPECTRUM

+ -

UPD780232GC- 031-8BT

MICAMP

MIC LEVEL

MIC

I/

DX20

RECPAUSE/START ENTER

BOARDMAIN

(Page 28)(4/5)

3636

MHC-DX20

6-15. PLACA DE CIRCUITO IMPRESSO - SEÇÃO TRANS • Veja pág. 21 para localização das placas de circuito.

Ref. No. Location

D901 C-4D902 B-3D903 B-2D904 B-3D905 B-2D911 E-6D912 E-7D913 F-8

IC901 C-2

Q901 C-3Q911 F-7


CPOWER AMP

BOARD(Page 30)

11(11)1-681-444-

11(11)1-681-445-

SUB TRANS BOARD

TRANS BOARD

E

B

T911POWER TRANSFORMER

DX20:MX

DX20:MX

RG30

/DX2

0:KR

,TH

RG30/DX20:KR,MX,TH

EXCEPT DX20:MX

DX20:AR,E2,E51,EA,SP


DX20:AR,E2,E51,EA,SPS901VOLTAGE

SELECTOR

240V

220-

230V

120V

RG30/DX20:KR,MX,TH

RG30

/DX2

0:KR

,TH

RG30

/DX

20:K

R,TH

DX20

:MX


DX20:AR,E2,E51,EA,SP,MX

AC IN

1

2

3

4

1234

JW2

2 3 4 5 6 7 8

A

1

B

C

D

E

F

1

13

3

1

3

E

3636

MHC-DX20

6-15. PLACA DE CIRCUITO IMPRESSO - SEÇÃO TRANS • Veja pág. 21 para localização das placas de circuito.

Ref. No. Location

D901 C-4D902 B-3D903 B-2D904 B-3D905 B-2D911 E-6D912 E-7D913 F-8

IC901 C-2

Q901 C-3Q911 F-7


CPOWER AMP

BOARD(Page 30)

11(11)1-681-444-

11(11)1-681-445-

SUB TRANS BOARD

TRANS BOARD

E

B

T911POWER TRANSFORMER

DX20:MX

DX20:MX

RG30

/DX2

0:KR

,TH

RG30/DX20:KR,MX,TH

EXCEPT DX20:MX



DX20:AR,E2,E51,EA,SPS901VOLTAGE

SELECTOR

240V

220-

230V

120V

RG30/DX20:KR,MX,TH

RG30

/DX2

0:KR

,TH

RG30

/DX

20:K

R,TH

DX20

:MX


DX20:AR,E2,E51,EA,SP,MX

AC IN

1

2

3

4

1234

JW2

2 3 4 5 6 7 8

A

1

B

C

D

E

F

1

13

3

1

3

E

3737

MHC-DX20

6-16. DIAGRAMA ESQUEMÁTICO - SEÇÃO TRANS

C902C903

D902D903

D904D905

JW3

JW4

JW911

JW912

JW913

R919

R911

R912 R913

R915

R916

R905

C911

C912

C913

D911

C915

CN3 CN2

R902

F918

JW6

JW5

S901

JW1

T901CN903CN913

D912

CN901

C901

D901

RY901

F914

F920

JW917

R920

Q911

D913

CN915

Q901

220016V

10016V

11ES211ES2

11ES211ES2

T2AL/250V

0.33 1/4W

11/4W

1k 10k

100

100

100

22063V

1050V

10050V

11ES2

0.1

10k

T2.5AL/250V

3P3P

MTZJ-30B

2P

0.01

1SS133T

T6.3AL/250V

T6.3AL/250V

0.33 1/4W

2SA1932-30V REG.

RD5.

6ESB

2

13P

2SC2785

STBY RELAY

EVER +5.7V

D GND

STBY RELAY

EVER +5.7V

D GND

IC901

AC IN

+5.7V REG

POWERTRANSFORMER

T911

AC4

AC4

AC3

AC3

VF

VF

VP

D GND

EVER +5V

STBY RELAY

AC1

GND

AC1

VOLTAGE SELECTOR

120V

220-230V

240V

CN3

CN2

POWERTRANSFORMER

TA78057S

RG30DX20

DX20

RG30

RELAY

DRIVER

2P:RG30/DX20:KR,MX,TH

4P:DX20:AR,E2,E51,EA,SP



DX20:KR,MX,TH

RG30/

RG30/DX20:KR,TH

DX20:MX


EA,KR,SP,TH

DX20:AR,E2,E51,

DX20,AR,E2,E51,EA,SP

DX20:MX


BOARD

POWER AMP

(Page 31)

3737

MHC-DX20

6-16. DIAGRAMA ESQUEMÁTICO - SEÇÃO TRANS

C902C903

D902D903

D904D905

JW3

JW4

JW911

JW912

JW913

R919

R911

R912 R913

R915

R916

R905

C911

C912

C913

D911

C915

CN3 CN2

R902

F918

JW6

JW5

S901

JW1

T901CN903CN913

D912

CN901

C901

D901

RY901

F914

F920

JW917

R920

Q911

D913

CN915

Q901

220016V

10016V

11ES211ES2

11ES211ES2

T2AL/250V

0.33 1/4W

11/4W

1k 10k

100

100

100

22063V

1050V

10050V

11ES2

0.1

10k

T2.5AL/250V

3P3P

MTZJ-30B

2P

0.01

1SS133T

T6.3AL/250V

T6.3AL/250V

0.33 1/4W

2SA1932-30V REG.

RD5.

6ESB

2

13P

2SC2785

STBY RELAY

EVER +5.7V

D GND

STBY RELAY

EVER +5.7V

D GND

IC901

AC IN

+5.7V REG

POWERTRANSFORMER

T911

AC4

AC4

AC3

AC3

VF

VF

VP

D GND

EVER +5V

STBY RELAY

AC1

GND

AC1

VOLTAGE SELECTOR

120V

220-230V

240V

CN3

CN2

POWERTRANSFORMER

TA78057S

RG30DX20

DX20

RG30

RELAY

DRIVER





DX20:KR,MX,TH

RG30/

RG30/DX20:KR,TH

DX20:MX


EA,KR,SP,TH

DX20:AR,E2,E51,

DX20,AR,E2,E51,EA,SP

DX20:MX


BOARD

POWER AMP

(Page 31)

3838

MHC-DX20

6-17. PLACA DE CIRCUITO IMPRESSO - SEÇÃO DRIVER • Veja pág. 21 para localização das placas de circuito.

1 2

A

B

C

D

3 4 5 6 7 8 9 10

IC71

1

IC70

1

14

14

14

14

14

14

(Page 24 )

B

CN1

4

CN1(Page 26)

(4/5)

B

IC B/D

A C

EK

MTZ

J-T-

77-3

.9A

Ref. No. Location

D707 E-1

IC701 B-8

IC711 B-5


6-18. SCHEMATIC DIAGRAM – DRIVER SECTION – • See page 42 for IC Block Diagrams.

3838

MHC-DX20

6-17. PLACA DE CIRCUITO IMPRESSO - SEÇÃO DRIVER • Veja pág. 21 para localização das placas de circuito.

1 2

A

B

C

D

3 4 5 6 7 8 9 10

IC71

1

IC70

1

14

14

14

14

14

14

(Page 24 )

B

CN1

4

CN1(Page 26)

(4/5)

B

IC B/D

A C

EK

MTZ

J-T-

77-3

.9A

Ref. No. Location

D707 E-1

IC701 B-8

IC711 B-5


6-18. SCHEMATIC DIAGRAM – DRIVER SECTION – • See page 42 for IC Block Diagrams.

39

MHC-DX20

6-19. DESCRIÇÃO DOS PINOS DOS ICs.• MAIN BOARD IC401 M30622MCA-B23FP (MASTER CONTROL)

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

I/O

O

O

I

I

O

O

O

—

—

I

O

I

O

—

I

I

I

I

I

I

I

O

I

I

O

O

I

O

—

—

—

I

I

I

O

—

O

O

O

O

O

O

O

O

O

I

I

I

I

—

Description

Serial data output the display control.

Serial clock output from main controller.

Busy signal input from the display control. “L” : busy

Pemoto commander input.

Data signal output for IC301(BH3878KS2)

Latch signal output for IC301(BH3878KS2)

Clock signal output for IC301(BH3878KS2)

Connected to ground.


SUB SYSTEM CLOCK input.(32.768MHz)

SUB SYSTEM CLOCK output.(32.768MHz)

System reset input.

MAIN SYSTEM CLOCK output.(16MHz)


MAIN SYSTEM CLOCK input.(16MHz)

Power supply.(+5V)

PULL UP.(EVER+5V)

AC CUT ON(L)/OF(H) CHECK.

CD Q-data request signal input.

RDS interrupt signal input.

RDS data signal input.

Tuner mute signal output.

STEREO detect signal input.L=ON,H=OFF

TUNER detect signal input.L=ON,H=OFF

TUNER chip eneble output.

TUNER data output.

TUNER data input.

TUNER clock signal output.

Not used.

Not used.

Not used.

Subcode Q data input(CD data).

Subcode Q clock input(CD clock).

BD condition signal input.

CD data output.

Not used.

CD clock output.

CD-POWER ON/OFF signal output.H=ON,L=OFF

Not used (open).

HOLD signal output.

Micom reset signal output to the display control. “L” : reset

CD latch signal output.

CD reset signal output.

Loading motor control signal output (Loading).

Loading motor control signal output (un Loading).

Tray open detect signal input.

Tray close detact signal input.

Pick-up up/down detect signal input.

CD table detect signal input.

Not used.

Pin Name

S-OUT

S-CLK

S-BSY

REMOTE IN

3878-DAT

3878-LAT

3848-CLK

BYTE

CN VSS

XC IN

XC OUT

RESET

X OUT

VSS

X IN

VCC

NMI

AC-CUT

RCOR

RDS-INT

RDS-DATA

ST-MUTE

SSTEREO(IN)

TUNER

ST-CE

ST-DOUT

ST-DIN

ST-CLK

VCD

VCD

NO USE

SQ-DAT IN

SQ-CLK

SENS

CD-DAT OUT

CAN’T-USE

CD-CLK

CD-POWER

CLOCK-OUT

HOLD

M-RESET

XLT

XRST

LOAD-IN

LOAD-OUT

OPEN

CLOSE

UP/DOWN

T-SENS

GAME/DVD

40

MHC-DX20

Pin No.

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

I/O

—

—

—

—

—

—

—

—

—

O

O

I

I

—

O

I

I

I

I

I

I

I

O

O

O

O

O

O

O

O

O

O

O

O

I

O

O

O

O

O

I

I

I

—

I

—

O

—

—

I

Description

Not used.

Not used.

Not used.

Not used.

Not used.

Not used.

Not used.

Not used.

Not used.

A deck trigger control signal output.H=ON,L=OFF

B deck trigger control signal output.H=ON,L=OFF

Power supply.(+5V)

Not used.


Capstan motor REV/FWD/STOP control signal output.H=REV,L=FWD/STOP

Detection input from the deck-B rec forward detect switch. “L” : rec

Detection input from the deck-B rec reverse detect switch. “L” : rec

A deck hafe detect signal input.

B deck hafe detect signal input.

A deck play detect signal input.

B deck play detect signal input.

AMS signal input.L=ON,H=OFF

DISPLAY KEY control signal output.

POWER KEY control signal output.

BIAS ON/OFF signal output.H=ON,L=OFF

Playback deck A/B select signal output.H=High,L=Normal

Tape deck relay ON/OFF signal output.H=ON,L=OFF

PB mute ON/OFF signal output .H=ON,L=OFF

REC mute ON/OFF signal output .H=ON,L=OFF

Serial data latch pulse output to BH3878KS2 (IC301)



Line mute signsl output.L=ON,H=OFF

Power amplifier mute ON/OFF signal output.H=ON,L=OFF

Speaker protect signal input.L=ON,H=OFF

STANDBY relay control signal output.

Rear speaker relay control output.

Front speaker relay control output.

A deck reel pulse detect signal output.

B deck reel pulse detect signal output.

SP/VACS (tape) select signal input.

Destination setting terminal.

Version select signal input.

Not used

Tape recording level input.


POWER ON/OFF signal output.H=ON,L=OFF

Analog reference voltage.

Power supply.(+5V)

Serial data input the display control.

Pin Name

NO USE

CENT-MUTE

REAR-MUT

494-DAT

494-CLK

494-LT

SUR1

SUR2

SUR3

A-TRG

B-TRG

VDD

SOFT TEST

VSS

CAMP-CONT

B-REC FWD

B-REC REW

A-HAFE

B-HAFE

A-PLAY

B-PLAY

AMS-IN

DISPLAY KEY

POWER-KEY

BIAS

PB-A/B

TC-RELAY

PB-MUT

REC-MUT

SP-LATA

SP-LATB

SP-LATC

LINE-MUT

STK-MUT

PROTECT

STB-RELAY

REAR-RELAY

FRONT-RELAY

A-SHUT

B-SHUT

SP/VACS

MODE IN

SPEC-IN

VIDEO SW2

VACS

AVSS

POWER-KEY

AV-REF

AVCC

S-IN

41

MHC-DX20

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20 - 22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37 - 58

59

60

61 - 67

68 - 80

I/O

I

—

O

I

—

I

I

I

I

O

—

—

I

I

—

—

I

—

—

I

—

I

I

O

O

O

O

O

O

O

O

O

—

—

O

I

I

O

O

Description

Power supply.(+5V)


System clock output terminal.(5MHz)

System clock input terminal.(5MHz)


Reset signal input from main controller.

Serial clock input from main controller.

Serial data input from main controller.

Serial data output from main controller.

Busy signal output.

Not used.

Not used.

VOLUME A signal input.

VOLUME B signal input.

Not used.

Not used.

Headphone detect signal input. H=ON,L=OFF


Not used.

KEY input.(AD)


Power supply.(+5V)

Power supply.(+5V)

KARAOKE LED driver output.

GROOVE LED driver output.

ENTER LED driver output.

REC LED driver output.

GAME LED driver output.

MD(VIDEO) LED driver output.

TAPE LED driver output.

CD LED drover output.

TUNER LED driver output.

Not used.

Not used.

FL segment signal output.

Power supply.(+5V)

Power supply (-30V) at FL driver.

FL segment signal output.

FL gride output.

Pin Name

VDD

VSS

X1

X2

IC

RESET

S-CLK

S-IN

S-OUT

SBSY

NO USE

NO USE

VOL-A

VOL-B

NO USE

NO USE

HEADHONE

AVSS

NO USE

KEY2-KEY0

VSS

AVDD

VDD

DV5.1-LED

PRO-LED

ENTER-LED

REC-LED

GAME-LED

MO/VIDEO-LED

TAPE-LED

CD-LED

TUNER-LED

GROOVE

NO USE

S29-S8

VDD2

VLOOD

S7-S0

G11-G0

• PANEL BOARD IC701 UPD780232GC-031-8BT (DISPLAY CONTROL)

40

MHC-DX20

IC101 CXD2587Q (BD BOARD)

TERFDC

CEIGEN

AVSS

0

ADIO

AVDD

0

CLTV

FILO

AVSS

3

VSS

AVDD

3

DOUT

VDD

PCO

FILI

ASYO

ASYI

RFAC

BIAS

SSTP

DFCTMIRR

MDPLOCK

FOK

SFDR

VSS

TEST

FRDR

FEVC

COUT

SE

XTSLTES1

SRDRTFDR

FFDRTRDR

21

7071

6869

6667

64

65

62

61

63

7374

72

75

76

7778

7980

4

XRST

3

SQCK

SQSO

5 9876

5660 53545559 5758 5152 484950 47 444546 43 4142

XLAT

CLOK

SENS

SYSM

DATA

XUGF

XPCK GF

S

C2PO

WFC

K

10 11 12 13 14 15 16 17 18 19 20

21

222324

2526

3233

3031

3637

3435

3940

38

28

27

29

SPOA

ATSK

SCLK

VDD

SCOR

SPOB

XLON

XTAI

XVDD

EMPH

AVDD1AOUT1

AIN1

XTAOXVSS

AIN2

AOUT2AVDD2

RMUT

LOUT2

LOUT1

BCK

LRCK

PCMD

LMUT

AVSS1AVSS2

CPUINTERFACE

SERVO AUTOSEQUENCER

SERIAL ININTERFACE

OVER SAMPLINGDIGITAL FILTER

3rd ORDERNOISE SHAPER

PWM PWM

EFMDEMODULATOR

TIMINGLOGIC

DIGITALOUT

D/AINTERFACE

DIGITALPLL

ASYMMETRYCORRECTION

CLOCKGENERATOR

MIRR, DFCT,FOK

DETECTOR

DIGITALCLV

SUBCODEPROCESSOR

SERVOINTERFACE

SERVO DSP

FOCUSSERVO

TRACKINGSERVO

SLEDSERVO

PWM GENERATOR

FOCUS PWMGENERATOR

TRACKINGPWM GENERATOR

SLED PWMGENERATOR

16KRAM

ERRORCORRECTOR

INTE

RNAL

BUS

A/DCONVERTER

OPERATIONALAMPLIFIER

ANALOG SWITCH

6-20. DIAGRAMA EM BLOCO DOS IC's

IC102 BA5974FP-E2 (BD BOARD)

LEVEL SHIFT

INTERFACE

INTERFACE

INTERFACE

1 2 3 4 5 6 7 8 9 10 11 12 13 14

202122232425262728 19 18 17 16 15

F

RRF F

RRF

RR

F

FMUTE

THERMALSHUTDOWN

VREF

OUT

VREF

IN

POW

VCC

CH1F

IN

CH1R

IN

CH2F

IN

CH2R

IN

CH2O

UTR

CH2O

UTF

CH1O

UTR

CH1O

UTF

CAPA

IN1

CAPA

IN2

GND

PRFV

CC

MUT

E

POW

VCC

CH4S

IN'

CH4S

IN

CH4B

IN

CH3F

IN

CH3R

IN

CH3O

UTR

CH3O

UTF

CH4O

UTR

CH4O

UTF

CAPA

IN3

GND

43

MHC-DX20

IC103 CXA2568M-T6 (BD BOARD)

11

12

10

VC

VC

VC

VC

VCVC

VC

VCC

VCC

RF SUMMING AMP RF_EQ_AMP

ERROR AMPFOCUS

TRACKINGERROR AMPVC BUFFER

VCC

VCC

VC

VC

VC

VC

VEE

VEE

VEE

VEE

VEE

VREF

13

14

15

6

5

1

2

3

4

7

8

9

16

19

2021

2223

24

1817

HOLD

LD

PD

A

B

C

D

VEE

F

E

VC

AGCVTH

AGCCONT

VCC

LC/PDLD_ON

HOLD_SW

RF_BOT

RFTCRF_1RFO

RFE

FE

TE

(50%/30%OFF)

APC PD AMP

APC LD AMP

IC103 BU1924 (MAIN BOARD)

1 2 3 4 5 6 7 8

910111213141516

QUAL

RDAT

A

VREF

VDD1

VSS1

MUX

VSS3

CMP

RCLK

XO XI(NC)

VDD2

VSS2

T1 T2

8TH SWITCHEDCAPACITOR

FILTER

PLL 57KHzRDS/ARI

BIPHASEDECODER

DEFFERENTIALDECODER

PLL1187.5Hz

TESTCLOCK

IC102 LC72130 (MAIN BOARD)

1 2 3 4 5 6 7 8

XIN

B03CE IF

IN

AOUT

2

AIN1

AIN2

D1 CL B04D0 B01

I01

B02

XOUT

PD1

VSS

PD2

FMIN

AMIN

AOUT

1

VDD

I02

B05

9 10 11 12

131415161718192021222324

PHASE DETECTORCHARGE PUMP

SWALLOW COUNTER1/16.1/17 4bits

SWALLOW COUNTER1/16.1/17 4bits

POWERON

RESET1/2

C BI / F

REFERENCEDIVIDER

REFERENCEDIVIDER

C BI / F

2 DATA SHIFT REGISTERLATCH

44

MHC-DX20

IC101 BA1450 (MAIN BOARD)

IC701 BA6956AN (DRIVER BOARD)

CH2/A CH2/B NF VCC CG NF ALCMETAL

OUTPREOUT

TAPE A/TAPE B

RECOUT

RECIN

CH1/A CH1/B NF GND1 M/H NF

CH2CH2

ALC

M/N

CH1

GNDGND

CH1+–

+–

+– +

–

A/B

GNDMETALOUT

PREOUT

MIXOUT

RECOUT

RECIN

IREFVREF2

VREF1

24 23 22 21 20 19 18 17 16 15 14 13

1 2 3 4 5 6 7 8 9 10 11 12

1 2 3 4 5 6 7 8 9

CONTROL LOGIC

TSD

VREF

OUT2

OUT1

RNF

VM VCC

FIN

GND

RIN

1 2 3 4 5 6 7 8 9 10 11 12

161718192021222324 15 14 13

AMOSC

AMMIX

AM IF

FMIF

FMDET

AMDET

SDDET

AGC

LEDDRIVER COMP

SD

SW

VCO

PD

1/2

DECODER

VREG

1/2

FM IN

FM D

ET

TUNE

D

STER

EO

IF O

UT

R OU

T

L OU

T

AM/F

M

FM/A

M D

ET O

UT

AM M

PX IN

FM M

PX IN

IN R

EQ M

UTE

FM S

D AD

J

VCC

GND

AM O

SC O

UT

AM O

SC

VCO

STOP

AM R

F IN

AM IF

IN

AM A

GC

AM M

IX O

UT

FM B

AND

WID

TH

V . R

EG

IC201 TA8189N (MAIN BOARD)

45

MHC-DX20SEÇÃO 7

VISTAS EXPLODIDAS

7-1. SEÇÃO PRINCIPAL

NOTA:• Itens com a marca “*” não são mantidos em estoque

toque por serem raramente solicitados. Atrasos podemser evitados antecipando pedidos para estes itens.

• As partes mecânicas sem número de referência nasvistas explodidas não são fornecidas.

• A lista de materiais embalados (acessórios) e para-fusos encontra-se no final da lista de peças elétricas.

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

Os componentes identificadoscom a marca 0 são críticos paraa segurança. Somente os substituapor peças numericamente iden-tificadas nesse manual.

1 3-363-099-01 SCREW (CASE 3 TP2)2 3-363-099-41 SCREW (CASE 3 TP2)

3 4-224-549-01 CASE (SIDE-L)

4 4-234-009-11 CD DOOR 5 4-224-550-01 CASE (TOP)6 1-681-441-11 VIDEO OUT BOARD

mecanismo do CD

#3

#3

#3#3

#3

#3

#3

#5

4

311

1

1

2

2

painel frontal

chassis

não fornecido

#3

#1

#3

#3#3

#3

10

7

9

8

56

7 4-236-838-11 PANEL BACK

8 4-227-984-11 COVER (DUCT)

9 1-681-445-11 SUB TRANS BOARD

10 4-225-252-01 CUSHION (FOOT)11 4-224-548-34 CASE(SIDE-R)

46

MHC-DX20

7-2. PAINEL FRONTAL

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

62 4-224-560-01 CAM (L), HEART63 4-951-620-01 SCREW (2.6X8), +BVTP64 1-681-447-11 KEY BOARD65 4-234-016-01 FL HOLDER66 A-4476-797-A PANEL BOARD, COMPLETE

(DX20:E2, E51, EA, SP, AR, MX)

66 A-4725-721-A PANEL BOARD, COMPLETE (DX20:KR)66 A-4725-982-A PANEL BOARD, COMPLETE (DX20:TH)

LISTA DE PEÇAS NA PÁGINA SEGUINTE

69 4-233-982-01 CASSETTE DOOR SPRING R70 1-796-123-11 DECK, MECH (TC)FLD1 1-518-729-11 INDICATOR TUBE, FLUORESCENT

51 4-234-019-01 VOLUME KNOB (RG30)51 4-234-019-11 VOLUME KNOB (DX20)52 4-234-015-01 VOL KNOB RING53 X-4953-757-1 PANEL FRONT ASSY (DX20)53 X-4953-887-1 PANEL FRONT ASSY (RG30)

54 4-225-252-01 CUSHION (FOOT)55 X-4953-759-1 CASSETTE WINDOW R ASSY (DX20)55 X-4953-889-1 CASSETTE WINDOW R ASSY (RG30)56 X-4953-758-1 CASSETTE WINDOW L ASSY (DX20)56 X-4953-888-1 CASSETTE WINDOW L ASSY (RG30)

57 4-231-805-01 KNOB (MIC) (DX20)58 4-233-981-01 CASSETTE DOOR SPRING L59 4-224-104-11 DAMPER60 4-224-562-01 BRACKET (HEART CAM L)61 4-224-803-01 SPRING (PUSH), COMPRESSION

53

68

54

61

52

51

56

58

60

60

FLD1 não fornecido

6969

66

64

55

57

59

69 *69*69 *69

*69

62 70

63

6557

67

não fornecido

* Veja a nota de serviço na página 5.

LISTA DE PEÇAS DO PAINEL FRONTAL

Ref. N.º Part. N.º Description Remarks51 4-234-015-01 VOL KNOB RING52 4-234-019-11 VOLUME KNOB53 4-233-987-11 TAMPA CASSETE (B)53-1 4-234-013-01 VISOR CASSETE (B)54 4-233-986-11 TAMPA CASSETE (A)

54-1 4-234-012-11 VISOR CASSETE (A)55 4-231-805-02 KNOB MIC56 4-233-981-01 CASSETE DOOR SPRING L57 4-224-803-01 SPRING (PUSH), COMPRESSION58 4-224-562-12 BRACKET (HEART CAM L)

59 4-224-560-11 CAM(L). HEART60 4-231-568-01 DAMPER61 Y-8373-562-A PAINEL FRONTAL MONTADO61-1 4-234-008-21 PAINEL FRONTAL 61-2 4-234-021-01 BOTÃO POWER

61-3 4-233-992-01 BOTÃO FUNÇÃO61-4 4-234-022-11 BOTÃO GROOVE61-5 4-234-024-01 BOTÃO RECORD61-6 4-234-023-01 BOTÃO KARAOKE PON61-7 4-234-025-01 INDICADOR REC

61-8 4-234-026-11 BOTÃO CD CONTROL61-9 4-234-027-01 BOTÃO DISPLAY61-10 4-234-028-11 BOTÃO CURSOR61-11 4-234-029-11 BOTÃO MUSIC61-12 4-234-030-11 BOTÃO ENTER

61-13 4-234-031-11 INDICADOR ENTER61-14 4-234-088-01 VISOR DO DISPLAY61-15 4-234-089-21 SUB PAINEL61-16 4-963-404-02 EMBLEMA SONY62 1-681-447-11 KEY BOARD

63 Y-8373-558-A PCI PAINEL MONTADA64 1-796-123-21 DECK, MECH (CWLFR35)65 4-224-561-12 BRACKET (HEART CAM R)66 4-233-982-01 CASSETE DOOR SPRING R67 4-224-559-11 CAM (R), HEART

68 4-225-252-01 CUSHION (FOOT)69 4-951-620-01 SCREW (2.6X8), +BVTP70 4-234-016-01 FL HOLDER

47

MHC-DX20

48

MHC-DX20

7-3. CHASSIS

Ref. No. Part No. Description Remark

101 1-773-049-11 WIRE (FLAT TYPE)(17 CORE)102 A-4476-781-A PCI PRINCIPAL MONTADA

* 103 A-4476-783-A HOLDER, PWB104 1-791-897-12 WIRE (FLAT TYPE) (19 CORE)

105 Y-8373-560-A PLACA TRANS

106 3-004-269-01 BUSHING107 A-4725-997-A PLACA POWER AMP

0108 1-757-813-21 CABO DE FORÇA MONTADO0T911 1-437-357-21 TRANSFORMADOR DE FORÇA

#5#3

#4

#2

#3

#2

109

110

108

108

103

107

106

101

102

104

105

não fornecido

T911

não fornecido

Os componentes identificadoscom a marca 0 são críticos paraa segurança. Somente os subs-titua por peças numericamenteespecificadas nesse manual.

49

MHC-DX20

7-4. MECANISMO DO CD

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

266

nãofornecido

não fornecido

não fornecido

251

252

253

254

255

256

274

275 276

269

257

259

258

258

258

258

260

261262

263

251

264

271

265

268

279

271284267

271

270

270

270

283

283

283258

M721

282

284

286

287

288

251 4-933-134-11 SCREW (+PTPWH M2.6X8)252 4-221-679-01 CAM (RELAY)253 4-231-452-01 TABLE (NEW)254 4-221-686-01 LEVER (CHANGE)255 4-221-676-01 TRAY

256 4-933-134-51 SCREW (+PTPWH 2.6X8)257 1-675-910-14 MOTOR BOARD258 4-951-620-01 SCREW (2.6X8), +BVTP259 1-791-983-11 WIRE (FLAT TYPE) (8 CORE)260 1-675-911-14 ADDRESS SENSOR BOARD

261 1-675-912-14 DRIVER BOARD262 X-4952-608-1 CAM (U/D) ASSY263 4-221-681-01 LEVER (EX)264 4-221-682-01 LEVER (LIFTER)265 4-221-688-01 PULLEY (B), CHUCKING

266 1-471-035-11 MAGNET ASSY267 X-4952-019-1 PULLEY (A) ASSY, CHUCKING

268 X-4951-889-1 HOLDER (BU) ASSY269 4-222-095-01 BELT270 4-227-045-11 SPRING (INSULATOR), COIL271 4-985-672-01 SCREW (+PTPWH M2.6), FLOATING274 4-221-678-01 CAM (CONTROL)

275 4-221-683-01 GEAR (U)276 4-221-685-01 PULLEY (S)279 4-227-899-01 SCREW (DIA. 12), FROATING282 4-222-097-01 SCREW, STEP283 4-227-549-11 INSULATOR

284 4-231-151-01 STOPPER (BU)0286 8-820-116-01 OPTICAL PICK-UP KSM-213DCP/Z-NP

287 A-4724-934-A BD BOARD, COMPLETE288 1-792-024-11 WIRE (FLAT TYPE) (16 CORE)M721 A-4672-826-A MOTOR ASSY



50

SEÇÃO 8 LISTA DE PEÇAS ELÉTRICAS

NOTA:• Devido a padronização algumas peças dessa

lista podem apresentar diferenças das peçasindicadas nos esquemas elétricos ou mesmodas utilizadas no aparelho.

• -XX, -X indicam peça padronizada quepode apresentar diferença daquela original-mente utilizada no aparelho.

• Itens com a marcar “*” não são mantidas em estoque por serem raramente solicitadas.Atrasos podem ser evitados antecipando-seos pedidos para estes itens.

• CAPACITORS:uF: µF

• RESISTORESTodos os resistores estão em ohms.METAL: resistor de metal-film METAL OXIDE: resistor Metal Oxide-filmF: anti-chama

• INDUTORESuH: µH

• SEMICONDUTORESEm cada caso, u: µ, por exemplo:uA...: µA... , uPA... , µPA... ,uPB... , µPB... , uPC... , µPC... ,uPD..., µPD...

Quando solicitar peças pelo número de referênciapor favor indique também o nome da placa.

Os componentes identificados com a marca0 são críticos para a segurança. Somente ossubstitua por peças indicadas nesse manual.

MHC-DX20

ADDRESS SENSOR BD

1-675-911-14 ADDRESS SENSOR BOARD**********************

< IC >

IC711 8-749-016-76 IC RPI-321

< RESISTOR >

R711 1-247-876-11 CARBON 75K 5% 1/4WR712 1-249-409-11 CARBON 220 5% 1/4W FR713 1-249-429-11 CARBON 10K 5% 1/4W

< SWITCH >

S711 1-771-821-11 SWITCH, PUSH (1 KEY)(UP DOWN SW)************************************************************

A-472-4934-A BD BOARD, COMPLETE*******************

< CAPACITOR >

C101 1-163-005-11 CERAMIC CHIP 470PF 10.00% 50VC102 1-164-004-11 CERAMIC CHIP 0.1uF 10% 25VC103 1-163-005-11 CERAMIC CHIP 470PF 10.00% 50VC104 1-163-009-11 CERAMIC CHIP 0.001uF 10.00% 50VC108 1-164-004-11 CERAMIC CHIP 0.1uF 10% 25V

C109 1-163-011-11 CERAMIC CHIP 0.0015uF 10% 50VC110 1-164-182-11 CERAMIC CHIP 0.0033uF 10% 50VC111 1-163-251-11 CERAMIC CHIP 100PF 5.00% 50VC112 1-107-682-11 CERAMIC CHIP 1uF 10.00% 16VC114 1-163-038-00 CERAMIC CHIP 0.1uF 25V

C115 1-104-665-11 ELECT 100uF 20.00% 10VC116 1-104-665-11 ELECT 100uF 20.00% 10VC117 1-104-665-11 ELECT 100uF 20.00% 10VC118 1-163-009-11 CERAMIC CHIP 0.001uF 10.00% 50VC119 1-163-235-11 CERAMIC CHIP 22PF 5.00% 50V

C121 1-163-038-00 CERAMIC CHIP 0.1uF 25VC122 1-104-665-11 ELECT 100uF 20.00% 10VC123 1-163-021-91 CERAMIC CHIP 0.01uF 10.00% 50VC124 1-107-823-11 CERAMIC CHIP 0.47uF 10.00% 16VC125 1-163-038-00 CERAMIC CHIP 0.1uF 25V

C126 1-163-038-91 CERAMIC CHIP 0.1uF 25VC127 1-104-665-11 ELECT 100uF 20.00% 10VC129 1-163-031-91 CERAMIC CHIP 0.01uF 50VC130 1-164-346-11 CERAMIC CHIP 1uF 16VC131 1-126-964-11 ELECT 10uF 20.00% 50V

C133 1-164-346-11 CERAMIC CHIP 1uF 16VC140 1-164-346-11 CERAMIC CHIP 1uF 16VC141 1-164-346-11 CERAMIC CHIP 1uF 16VC143 1-163-038-00 CERAMIC CHIP 0.1uF 25VC145 1-163-038-00 CERAMIC CHIP 0.1uF 25V

C153 1-163-038-00 CERAMIC CHIP 0.1uF 25VC159 1-163-019-00 CERAMIC CHIP 0.0068uF 10% 50VC162 1-104-665-11 ELECT 100uF 20.00% 10VC163 1-104-665-11 ELECT 100uF 20.00% 10VC165 1-163-038-00 CERAMIC CHIP 0.1uF 25V

C167 1-163-237-11 CERAMIC CHIP 27PF 5.00% 50VC168 1-163-235-11 CERAMIC CHIP 22PF 5.00% 50VC171 1-163-009-11 CERAMIC CHIP 0.001uF 10.00% 50VC172 1-163-123-00 CERAMIC CHIP 180PF 5% 50VC181 1-163-009-11 CERAMIC CHIP 0.001uF 10.00% 50V

C182 1-163-123-00 CERAMIC CHIP 180PF 5% 50V

< CONNECTOR >

CN101 1-784-741-11 CONNECTOR, FFC 19PCN102 1-793-907-11 CONNECTOR, FFC/FPC 16P

< FERRITE BEAD >

FB101 1-469-731-21 INDUCTOR 0UHFB103 1-469-731-21 INDUCTOR 0UH

< IC >

IC101 8-752-386-85 IC CXD2587QIC102 8-759-549-28 IC BA5974FP-E2IC103 8-752-085-51 IC CXA2568M-T6

< TRANSISTOR >

Q101 8-729-010-08 TRANSISTOR MSB710-RT1

< RESISTOR >

R101 1-216-077-00 RES-CHIP 15K 5% 1/10WR102 1-216-097-11 RES-CHIP 100K 5% 1/10WR103 1-216-077-00 RES-CHIP 15K 5% 1/10WR104 1-216-085-00 RES-CHIP 33K 5% 1/10WR105 1-216-073-00 RES-CHIP 10K 5% 1/10W

R106 1-216-049-11 RES-CHIP 1K 5% 1/10WR107 1-216-073-00 RES-CHIP 10K 5% 1/10WR108 1-216-061-00 RES-CHIP 3.3K 5% 1/10WR109 1-216-121-11 RES-CHIP 1M 5% 1/10WR110 1-216-025-11 RES-CHIP 100 5% 1/10W


51

MHC-DX20

DRIVER KEYBD

R111 1-216-121-11 RES-CHIP 1M 5% 1/10WR113 1-216-121-11 RES-CHIP 1M 5% 1/10WR114 1-216-073-00 RES-CHIP 10K 5% 1/10WR116 1-216-001-00 METAL CHIP 10 5% 1/10WR117 1-216-049-11 RES-CHIP 1K 5% 1/10W

R118 1-216-025-11 RES-CHIP 100 5% 1/10WR119 1-216-059-00 METAL CHIP 2.7K 5% 1/10WR123 1-216-073-00 RES-CHIP 10K 5% 1/10WR124 1-216-097-11 RES-CHIP 100K 5% 1/10WR131 1-216-033-00 METAL CHIP 220 5% 1/10W

R143 1-216-103-00 METAL CHIP 180K 5% 1/10WR144 1-216-103-00 METAL CHIP 180K 5% 1/10WR147 1-216-069-00 METAL CHIP 6.8K 5% 1/10WR148 1-216-001-00 METAL CHIP 10 5% 1/10WR149 1-216-001-00 METAL CHIP 10 5% 1/10W

R158 1-216-111-00 METAL CHIP 390K 5% 1/10WR159 1-216-101-00 METAL CHIP 150K 5% 1/10WR162 1-216-101-00 METAL CHIP 150K 5% 1/10WR171 1-216-078-00 RES-CHIP 16K 5% 1/10WR172 1-216-073-91 RES-CHIP 10K 5% 1/10W

R173 1-216-077-00 RES-CHIP 15K 5% 1/10WR181 1-216-078-00 RES-CHIP 16K 5% 1/10WR182 1-216-073-00 RES-CHIP 10K 5% 1/10WR183 1-216-077-00 RES-CHIP 15K 5% 1/10W

< NETWORK >

RN101 1-233-576-11 RES, CHIP NETWORK 100

< SWITCH >

S101 1-771-853-11 SWITCH, DETECTION(LIMIT IN)

< VIBRATOR >

X101 1-579-280-11 VIBRATOR, CRYSTAL(16.9344MHz)************************************************************

1-675-912-14 DRIVER BOARD*************

< CAPACITOR >

C702 1-126-964-11 ELECT 10uF 20.00% 50V

< CONNECTOR >

CN701 1-785-336-11 PIN, CONNECTOR(LIGHT ANGLE)10PCN702 1-785-550-11 CONNECTOR, FFC/FPC 8P

< DIODE >

D701 8-719-983-15 DIODE MTZJ-T-77-3.9A

< IC >

IC701 8-759-598-69 IC BA6956AN

< RESISTOR >

R701 1-249-411-11 CARBON 330 5% 1/4WR702 1-249-401-11 CARBON 47 5% 1/4W F

************************************************************

A-4726-038-A KEY BOARD, COMPLETE ********************

1-681-447-11 KEY BOARD**********

< DIODE >

D707 8-719-058-04 DIODE SEL5223S-TP15(REC PAUSE/START)D708 8-719-058-04 DIODE SEL5223S-TP15(ENTER)D709 8-719-057-97 DIODE SEL5923A-TP15(KARAOKE) D710 8-719-057-97 DIODE SEL5923A-TP15(GROOVE)

< TRANSISTOR >

Q707 8-729-029-67 TRANSISTOR BA1A4M-TPQ708 8-729-029-67 TRANSISTOR BA1A4M-TPQ709 8-729-029-67 TRANSISTOR BA1A4M-TP Q710 8-729-029-67 TRANSISTOR BA1A4M-TP

< RESISTOR >

R703 1-249-413-11 CARBON 470 5% 1/4W FR704 1-249-414-11 CARBON 560 5% 1/4W FR705 1-249-415-11 CARBON 680 5% 1/4W FR706 1-249-417-11 CARBON 1K 5% 1/4W FR707 1-249-418-11 CARBON 1.2K 5% 1/4W F

R708 1-249-420-11 CARBON 1.8K 5% 1/4W FR709 1-249-422-11 CARBON 2.7K 5% 1/4W FR710 1-247-843-11 CARBON 3.3K 5% 1/4WR711 1-249-425-11 CARBON 4.7K 5% 1/4W F

R713 1-249-410-11 CARBON 270 5% 1/4W F

R714 1-249-411-11 CARBON 330 5% 1/4WR715 1-249-413-11 CARBON 470 5% 1/4W FR716 1-249-414-11 CARBON 560 5% 1/4W FR717 1-249-415-11 CARBON 680 5% 1/4W FR718 1-249-417-11 CARBON 1K 5% 1/4W F

R719 1-249-418-11 CARBON 1.2K 5% 1/4W FR720 1-249-420-11 CARBON 1.8K 5% 1/4W FR721 1-249-422-11 CARBON 2.7K 5% 1/4W FR726 1-249-410-11 CARBON 270 5% 1/4W FR727 1-249-411-11 CARBON 330 5% 1/4W

R728 1-249-413-11 CARBON 470 5% 1/4W FR729 1-249-414-11 CARBON 560 5% 1/4W FR730 1-249-415-11 CARBON 680 5% 1/4W FR731 1-249-417-11 CARBON 1K 5% 1/4W FR732 1-249-418-11 CARBON 1.2K 5% 1/4W F

R733 1-249-420-11 CARBON 1.8K 5% 1/4W FR734 1-249-422-11 CARBON 2.7K 5% 1/4W FR735 1-247-843-11 CARBON 3.3K 5% 1/4WR736 1-249-425-11 CARBON 4.7K 5% 1/4W FR737 1-249-427-11 CARBON 6.8K 5% 1/4W F

R745 1-249-411-11 CARBON 330 5% 1/4WR746 1-249-411-11 CARBON 330 5% 1/4WR797 1-249-411-11 CARBON 330 5% 1/4W

(DX30)R798 1-249-411-11 CARBON 330 5% 1/4W

< SWITCH >

S704 1-771-874-11 SWITCH, KEYBOARD(DISC SKIP EX-CHANGE)S705 1-771-874-11 SWITCH, KEYBOARD(DISC 1)S706 1-771-874-11 SWITCH, KEYBOARD(DISC 2)S707 1-771-874-11 SWITCH, KEYBOARD(DISC 3)S708 1-771-874-11 SWITCH, KEYBOARD(Z OPEN/CLOSE)


52

MHC-DX20

KEY MAIN

S709 1-771-874-11 SWITCH, KEYBOARD( v)S710 1-771-874-11 SWITCH, KEYBOARD( V)S711 1-771-874-11 SWITCH, KEYBOARD(GROOVE)S712 1-771-874-11 SWITCH, KEYBOARD(KARAOKE PON) S713 1-771-874-11 SWITCH, KEYBOARD( m -)

S714 1-771-874-11 SWITCH, KEYBOARD( .)S715 1-771-874-11 SWITCH, KEYBOARD( x)S716 1-771-874-11 SWITCH, KEYBOARD(gG)S717 1-771-874-11 SWITCH, KEYBOARD( X)S718 1-771-874-11 SWITCH, KEYBOARD( >)

S719 1-771-874-11 SWITCH, KEYBOARD(+ M)S720 1-771-874-11 SWITCH, KEYBOARD(CD SYNC)S721 1-771-874-11 SWITCH, KEYBOARD(REC PAUSE/START)S726 1-771-874-11 SWITCH, KEYBOARD(DISPLAY)S727 1-771-874-11 SWITCH, KEYBOARD(SPECTRUM)

S728 1-771-874-11 SWITCH, KEYBOARD(DIRECTION/EDIT)S729 1-771-874-11 SWITCH, KEYBOARD(STEREO/MONO/REPEAT)S730 1-771-874-11 SWITCH, KEYBOARD(TUNER MEMORY/

PLAY MODE)S731 1-771-874-11 SWITCH, KEYBOARD(GAME EQ)S732 1-771-874-11 SWITCH, KEYBOARD(ENTER)

S733 1-771-874-11 SWITCH, KEYBOARD(P FILE)S734 1-771-874-11 SWITCH, KEYBOARD( B)S735 1-771-874-11 SWITCH, KEYBOARD( b)S736 1-771-874-11 SWITCH, KEYBOARD(MUSIC EQ)S737 1-771-874-11 SWITCH, KEYBOARD(EFFECT ON/OFF)

S738 1-771-874-11 SWITCH, KEYBOARD(MOVE EQ)************************************************************

*************************************************************Y-8373-556-A PLACA PRINCIPAL MONTADA

*************************************************************

7-685-872-09 SCREW +BVTT 3X8 (S)

< CAPACITOR >

C101 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC102 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC103 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC104 1-126-947-11 ELECT 47uF 20.00% 16V

C105 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC106 1-126-933-11 ELECT 100uF 20.00% 16VC107 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC108 1-126-964-11 ELECT 10uF 20.00% 50VC109 1-162-935-11 CERAMIC CHIP 4PF 0.25PF 50V

C110 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC111 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC112 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC113 1-126-959-11 ELECT 0.47uF 20.00% 50VC114 1-126-947-11 ELECT 47uF 20.00% 16V

C115 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC116 1-126-961-11 ELECT 2.2uF 20.00% 50VC117 1-126-947-11 ELECT 47uF 20.00% 16VC118 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC119 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V

C120 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC121 1-162-919-11 CERAMIC CHIP 22PF 5% 50VC122 1-162-921-11 CERAMIC CHIP 33PF 5% 50VC123 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC124 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V

C125 1-126-947-11 ELECT 47uF 20.00% 16VC126 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC127 1-126-960-11 ELECT 1uF 20.00% 50VC128 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC129 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V

C130 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC131 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25V

C132 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25V

C133 1-126-957-11 ELECT 0.22uF 20.00% 50VC134 1-104-760-11 CERAMIC CHIP 0.047uF 10.00% 50VC135 1-126-963-11 ELECT 4.7uF 20.00% 50VC136 1-126-963-11 ELECT 4.7uF 20.00% 50VC137 1-126-964-11 ELECT 10uF 20.00% 50V


C140 1-126-960-11 ELECT 1uF 20.00% 50VC141 1-104-760-11 CERAMIC CHIP 0.047uF 10.00% 50V


C143 1-126-965-11 ELECT 22uF 20.00% 50V

C144 1-126-947-11 ELECT 47uF 20.00% 16V


53

MHC-DX20

MAIN

C201 1-162-963-11 CERAMIC CHIP 680PF 10% 50VC202 1-162-963-11 CERAMIC CHIP 680PF 10% 50V

C203 1-162-963-11 CERAMIC CHIP 680PF 10% 50VC204 1-162-963-11 CERAMIC CHIP 680PF 10% 50VC205 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC206 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC207 1-162-960-11 CERAMIC CHIP 220PF 10% 50V

C208 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC209 1-126-947-11 ELECT 47uF 20.00% 16VC210 1-126-947-11 ELECT 47uF 20.00% 16VC211 1-130-486-00 MYLAR 0.018uF 10% 50VC212 1-130-486-00 MYLAR 0.018uF 10% 50V

C213 1-126-960-11 ELECT 1uF 20.00% 50VC214 1-126-960-11 ELECT 1uF 20.00% 50VC215 1-126-961-11 ELECT 2.2uF 20.00% 50VC217 1-126-947-11 ELECT 47uF 20.00% 16VC218 1-126-947-11 ELECT 47uF 20.00% 16V

C219 1-126-961-11 ELECT 2.2uF 20.00% 50V

C221 1-126-963-11 ELECT 4.7uF 20.00% 50V

C222 1-126-963-11 ELECT 4.7uF 20.00% 50V

C223 1-130-487-00 MYLAR 0.022uF 5% 50VC224 1-162-962-11 CERAMIC CHIP 470PF 10% 50V

C225 1-126-963-11 ELECT 4.7uF 20.00% 50V

C226 1-162-977-11 CERAMIC CHIP 0.0018uF 10.00% 50V

C227 1-162-949-11 CERAMIC CHIP 47PF 5% 50VC228 1-162-949-11 CERAMIC CHIP 47PF 5% 50VC229 1-104-665-11 ELECT 100uF 20.00% 10VC230 1-104-665-11 ELECT 100uF 20.00% 10V

C231 1-126-959-11 ELECT 0.47uF 20.00% 50V

C232 1-126-959-11 ELECT 0.47uF 20.00% 50V

C234 1-137-371-91 MYLAR 0.01uF 5% 50V

C235 1-126-960-11 ELECT 1uF 20.00% 50VC236 1-126-933-11 ELECT 100uF 20.00% 16VC237 1-162-962-11 CERAMIC CHIP 470PF 10% 50VC238 1-162-977-11 CERAMIC CHIP 0.0018uF 10.00% 50VC239 1-130-485-00 MYLAR 0.015uF 5% 50V

C240 1-126-947-11 ELECT 47uF 20.00% 16VC241 1-130-479-00 MYLAR 0.0047uF 5% 50VC242 1-130-471-00 MYLAR 0.001uF 5% 50VC243 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 50VC244 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 50V

C256 1-126-960-11 ELECT 1uF 20.00% 50VC257 1-126-956-11 ELECT 0.1uF 20.00% 50VC265 1-162-974-11 CERAMIC CHIP 0.01uF 50VC266 1-162-995-11 CERAMIC CHIP 0.022uF 50VC270 1-126-933-11 ELECT 100uF 20.00% 16V

C271 1-126-960-11 ELECT 1uF 20.00% 50VC272 1-126-960-11 ELECT 1uF 20.00% 50VC300 1-136-165-00 FILM 0.1uF 5.00% 50VC301 1-126-963-11 ELECT 4.7uF 20.00% 50VC302 1-126-963-11 ELECT 4.7uF 20.00% 50V

C303 1-126-963-11 ELECT 4.7uF 20.00% 50VC304 1-126-963-11 ELECT 4.7uF 20.00% 50VC307 1-126-963-11 ELECT 4.7uF 20.00% 50VC308 1-126-963-11 ELECT 4.7uF 20.00% 50VC309 1-126-963-11 ELECT 4.7uF 20.00% 50V

C310 1-126-963-11 ELECT 4.7uF 20.00% 50VC311 1-126-964-11 ELECT 10uF 20.00% 50VC312 1-136-165-00 FILM 0.1uF 5.00% 50VC313 1-130-491-00 MYLAR 0.047uF 5% 50VC314 1-126-963-11 ELECT 4.7uF 20.00% 50V

C315 1-126-963-11 ELECT 4.7uF 20.00% 50VC317 1-136-169-00 FILM 0.22uF 5.00% 50VC318 1-136-169-00 FILM 0.22uF 5.00% 50VC319 1-136-169-00 FILM 0.22uF 5.00% 50VC320 1-136-169-00 FILM 0.22uF 5.00% 50V

C321 1-136-171-00 FILM 0.33uF 5.00% 50VC322 1-164-156-11 CERAMIC CHIP 0.1uF 25VC325 1-130-487-00 MYLAR 0.022uF 5% 50VC326 1-130-487-00 MYLAR 0.022uF 5% 50VC327 1-130-487-00 MYLAR 0.022uF 5% 50V

C328 1-130-487-00 MYLAR 0.022uF 5% 50VC333 1-130-475-00 MYLAR 0.0022uF 5% 50VC334 1-130-475-00 MYLAR 0.0022uF 5% 50VC337 1-130-491-00 MYLAR 0.047uF 5% 50VC338 1-130-491-00 MYLAR 0.047uF 5% 50V

C339 1-130-491-00 MYLAR 0.047uF 5% 50VC340 1-130-491-00 MYLAR 0.047uF 5% 50VC342 1-136-165-00 FILM 0.1uF 5.00% 50VC343 1-136-165-00 FILM 0.1uF 5.00% 50VC344 1-126-964-11 ELECT 10uF 20.00% 50V

C345 1-126-934-11 ELECT 220uF 20.00% 16VC346 1-136-170-00 FILM 0.27uF 5.00% 50VC347 1-126-964-11 ELECT 10uF 20.00% 50VC348 1-126-964-11 ELECT 10uF 20.00% 50VC349 1-104-665-11 ELECT 100uF 20.00% 10V

C245 1-165-128-91 CERAMIC CHIP 0.22uF 16V



54

MHC-DX20

MAIN




C356 1-126-963-11 ELECT 4.7uF 20.00% 50VC360 1-164-156-11 CERAMIC CHIP 0.1uF 25VC361 1-107-721-11 ELECT 4.7uF 20.00% 100VC362 1-107-721-11 ELECT 4.7uF 20.00% 100VC363 1-107-717-11 ELECT 47uF 20.00% 50V

C364 1-109-953-11 ELECT 2.2uF 20.00% 50V

C375 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC376 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC377 1-126-963-11 ELECT 4.7uF 20.00% 50VC378 1-164-156-11 CERAMIC CHIP 0.1uF 25VC381 1-104-665-11 ELECT 100uF 20.00% 10V

C382 1-126-961-11 ELECT 2.2uF 20.00% 50VC383 1-126-961-11 ELECT 2.2uF 20.00% 50VC601 1-164-156-11 CERAMIC CHIP 0.1uF 25VC602 1-126-964-11 ELECT 10uF 20.00% 50VC603 1-162-960-11 CERAMIC CHIP 220PF 10% 50V

C604 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC605 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC606 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC607 1-162-918-11 CERAMIC CHIP 18PF 5.00% 50VC608 1-162-917-11 CERAMIC CHIP 15PF 5% 50V

C610 1-126-964-11 ELECT 10uF 20.00% 50VC611 1-162-974-11 CERAMIC CHIP 0.01uF 50VC612 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC613 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC614 1-164-156-11 CERAMIC CHIP 0.1uF 25V

C644 1-164-156-11 CERAMIC CHIP 0.1uF 25VC656 1-164-156-11 CERAMIC CHIP 0.1uF 25VC657 1-164-156-11 CERAMIC CHIP 0.1uF 25VC658 1-164-156-11 CERAMIC CHIP 0.1uF 25VC659 1-164-156-11 CERAMIC CHIP 0.1uF 25V

C660 1-164-156-11 CERAMIC CHIP 0.1uF 25VC661 1-128-551-11 ELECT 22uF 20.00% 25V

C662 1-136-165-00 FILM 0.1uF 5.00% 50VC663 1-136-165-00 FILM 0.1uF 5.00% 50V

C664 1-162-974-11 CERAMIC CHIP 0.01uF 50VC665 1-126-916-11 ELECT 1000uF 20.00% 6.3VC666 1-164-156-11 CERAMIC CHIP 0.1uF 25VC671 1-126-916-11 ELECT 1000uF 20.00% 6.3VC672 1-162-953-11 CERAMIC CHIP 100PF 5% 50V

C673 1-162-953-11 CERAMIC CHIP 100PF 5% 50VC674 1-162-953-11 CERAMIC CHIP 100PF 5% 50VC675 1-126-935-11 ELECT 470uF 20.00% 10VC676 1-104-665-11 ELECT 100uF 20.00% 10VC677 1-126-935-11 ELECT 470uF 20.00% 10V

C678 1-162-953-11 CERAMIC CHIP 100PF 5% 50VC679 1-162-953-11 CERAMIC CHIP 100PF 5% 50VC681 1-136-165-00 FILM 0.1uF 5.00% 50VC683 1-136-165-00 FILM 0.1uF 5.00% 50VC684 1-136-165-00 FILM 0.1uF 5.00% 50V

C685 1-126-768-11 ELECT 2200uF 20.00% 16VC686 1-126-964-11 ELECT 10uF 20.00% 50VC687 1-126-916-11 ELECT 1000uF 20.00% 6.3VC688 1-126-964-11 ELECT 10uF 20.00% 50VC689 1-104-665-11 ELECT 100uF 20.00% 10V

C690 1-126-964-11 ELECT 10uF 20.00% 50VC691 1-126-933-11 ELECT 100uF 20.00% 16VC692 1-126-935-11 ELECT 470uF 20.00% 16VC693 1-130-483-00 MYLAR 0.01uF 5% 50VC694 1-130-483-00 MYLAR 0.01uF 5% 50V

C697 1-126-943-11 ELECT 2200uF 20.00% 25VC698 1-126-964-11 ELECT 10uF 20.00% 50VC699 1-126-935-11 ELECT 470uF 20.00% 16VC235A 1-162-949-11 CERAMIC CHIP 47PF 5% 50VC236A 1-162-949-11 CERAMIC CHIP 47PF 5% 50V

< FILTER >

CF101 1-760-233-81 FILTER, CERAMIC

CF102 1-760-233-81 FILTER, CERAMIC

< CONNECTOR >

CN2 1-784-778-11 CONNECTOR, FFC 17PCN5 1-564-506-11 PLUG, CONNECTOR 3PCN102 1-784-741-11 CONNECTOR, FFC 19P

* CN203 1-564-705-11 PIN, CONNECTOR (SMALL TYPE) 3P (RG40:AEP)CN402 1-778-982-21 CONNECTOR, BOARD TO BOARD 13P

CN403 1-778-982-21 CONNECTOR, BOARD TO BOARD 13PCN701 1-793-766-11 CONNECTOR, BOARD TO BOARD 30PCN714 1-564-505-11 PLUG, CONNECTOR 2P

< DIODE >

D101 8-719-914-49 DIODE DA204K-T-146D104 8-719-069-57 DIODE UDZSTE-176.8BD107 8-719-988-61 DIODE 1SS355TE-17 D108 8-719-988-61 DIODE 1SS355TE-17D203 8-719-988-61 DIODE 1SS355TE-17

D204 8-719-988-61 DIODE 1SS355TE-17D205 8-719-988-61 DIODE 1SS355TE-17D206 8-719-988-61 DIODE 1SS355TE-17D207 8-719-988-61 DIODE 1SS355TE-17D301 8-719-069-60 DIODE UDZSTE-179.1B

D302 8-719-988-61 DIODE 1SS355TE-17D303 8-719-988-61 DIODE 1SS355TE-17D361 8-719-988-61 DIODE 1SS355TE-17D371 8-719-988-61 DIODE 1SS355TE-17D372 8-719-988-61 DIODE 1SS355TE-17


55

MHC-DX20

MAIN



D667 8-719-988-61 DIODE 1SS355TE-17D668 8-719-988-61 DIODE 1SS355TE-17D669 8-719-988-61 DIODE 1SS355TE-17D670 8-719-988-61 DIODE 1SS355TE-17D681 8-719-083-89 DIODE 11ES2N-TB5

D682 8-719-083-89 DIODE 11ES2N-TB5D683 8-719-083-89 DIODE 11ES2N-TB5D684 8-719-083-89 DIODE 11ES2N-TB5D685 8-719-988-61 DIODE 1SS355TE-17D686 8-719-988-61 DIODE 1SS355TE-17

D687 8-719-083-89 DIODE 11ES2N-TB5D688 8-719-083-89 DIODE 11ES2N-TB5D689 8-719-083-89 DIODE 11ES2N-TB5D690 8-719-083-89 DIODE 11ES2N-TB5D691 8-719-083-89 DIODE 11ES2N-TB5

D692 8-719-083-89 DIODE 11ES2N-TB5D693 8-719-083-89 DIODE 11ES2N-TB5D694 8-719-083-89 DIODE 11ES2N-TB5D695 8-719-083-89 DIODE 11ES2N-TB5

< TERMINAL >

* EP1 1-537-738-21 TERMINAL, EARTH

< FERRITE BEAD >

FB1 1-216-864-11 METAL CHIP 0 5% 1/16W

FB2 1-216-864-11 METAL CHIP 0 5% 1/16W

FB3 1-216-864-11 METAL CHIP 0 5% 1/16W

FB4 1-216-864-11 METAL CHIP 0 5% 1/16W

FB5 1-216-864-11 METAL CHIP 0 5% 1/16W

FB6 1-216-864-11 METAL CHIP 0 5% 1/16W

< FRONT END >

FE101 1-693-477-12 FRONT END (3 GANGS)

< TERMINAL >

* GND1 1-537-738-21 TERMINAL, EARTH

< IC >

IC101 8-759-652-00 IC BA1450IC102 8-759-288-54 IC LC72130

IC201 8-759-242-58 IC TA8189NIC301 8-759-832-80 IC BH3878KS2

IC401 6-800-194-01 IC M30622MCA-B23FPIC661 8-759-635-46 IC M51943BSL-TPIC681 8-759-039-69 IC uPC7805AHFIC682 8-759-039-69 IC uPC7805AHFIC683 8-759-088-08 IC uPC7812AHF

IC684 8-759-604-31 IC M5F7809L

< IFT >

IFT101 1-435-295-12 TRANSFORMER, IF

< JACK >

JK301 1-794-935-11 JACK, PIN 2P (AUDIO IN)JK302 1-694-635-11 TERMINAL BOARD (4P) (SPEAKER)

< JUMPER RESISTOR >

JR1 1-216-864-11 METAL CHIP 0 5% 1/16WJR4 1-216-864-11 METAL CHIP 0 5% 1/16WJR7 1-216-864-11 METAL CHIP 0 5% 1/16WJR8 1-216-864-11 METAL CHIP 0 5% 1/16WJR10 1-216-864-11 METAL CHIP 0 5% 1/16W

JR11 1-216-864-11 METAL CHIP 0 5% 1/16W

JR14 1-216-864-11 METAL CHIP 0 5% 1/16W

JR15 1-216-864-11 METAL CHIP 0 5% 1/16W

JR16 1-216-864-11 METAL CHIP 0 5% 1/16W

JR17 1-216-864-11 METAL CHIP 0 5% 1/16W

JR109 1-216-864-11 METAL CHIP 0 5% 1/16W

JR602 1-216-864-11 METAL CHIP 0 5% 1/16W


56

MHC-DX20

MAIN

JR603 1-216-864-11 METAL CHIP 0 5% 1/16W

JR606 1-216-864-11 METAL CHIP 0 5% 1/16W

JR607 1-216-864-11 METAL CHIP 0 5% 1/16W

JR633 1-216-864-11 METAL CHIP 0 5% 1/16W

JR634 1-216-864-11 METAL CHIP 0 5% 1/16W

JR635 1-216-864-11 METAL CHIP 0 5% 1/16W

JR638 1-216-864-11 METAL CHIP 0 5% 1/16W

JR640 1-216-864-11 METAL CHIP 0 5% 1/16WJR641 1-216-864-11 METAL CHIP 0 5% 1/16W

JR642 1-216-864-11 METAL CHIP 0 5% 1/16W

< COIL >

L107 1-216-864-11 METAL CHIP 0 5% 1/16W

L201 1-437-220-11 TRANSFORMER, BIAS OSCILLATION

L671 1-414-189-31 INDUCTOR 100uH

< PHOTO INTERRUPTER >

PH671 8-749-923-04 IC TOTX178A

< TRANSISTOR >

Q101 8-729-926-49 TRANSISTOR 2SC2410S-TPNPQ102 8-729-029-21 TRANSISTOR BN1A4M-TPQ103 8-729-920-75 TRANSISTOR 2SC2412K-T-146-QRQ104 8-729-920-75 TRANSISTOR 2SC2412K-T-146-QR

Q210 8-729-139-96 TRANSISTOR 2SC2785HFEQ211 8-729-139-96 TRANSISTOR 2SC2785HFEQ212 8-729-139-96 TRANSISTOR 2SC2785HFEQ213 8-729-139-96 TRANSISTOR 2SC2785HFEQ214 8-729-141-30 TRANSISTOR 2SC3623ATP-LK

Q215 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ216 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ217 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ218 8-729-139-96 TRANSISTOR 2SC2785HFEQ219 8-729-139-96 TRANSISTOR 2SC2785HFE

Q220 8-729-139-96 TRANSISTOR 2SC2785-HFEQ221 8-729-136-96 TRANSISTOR 2SC2785-HFEQ222 8-729-136-96 TRANSISTOR 2SC2785-HFEQ223 8-729-142-46 TRANSISTOR 2SC2001TP-LKQ224 8-729-136-96 TRANSISTOR 2SC2785-HFE

Q225 8-729-141-87 TRANSISTOR 2SB1116-TP-LKQ226 8-729-029-41 TRANSISTOR DTA124ESA-TPQ227 8-729-141-87 TRANSISTOR 2SB1116-TP-LKQ228 8-729-141-87 TRANSISTOR 2SB1116-TP-LKQ229 8-729-141-30 TRANSISTOR 2SC3623ATP-LK

Q230 8-729-141-30 TRANSISTOR 2SC3623ATP-LK Q301 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ302 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ361 8-729-029-69 TRANSISTOR DTC114ESA-TPQ362 8-729-029-21 TRANSISTOR DTA124ESA-TP

Q363 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ364 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ365 8-729-029-21 TRANSISTOR DTA124ESA-TPQ371 8-729-139-96 TRANSISTOR 2SC2785-HFEQ373 8-729-141-87 TRANSISTOR 2SB1116-TP-LK

Q381 8-729-029-21 TRANSISTOR DTA124ESA-TPQ382 8-729-029-21 TRANSISTOR DTA124ESA-TPQ383 8-729-139-98 TRANSISTOR 2SA1175TP-HFEQ384 8-729-029-67 TRANSISTOR DTC114ESA-TPQ385 8-729-029-21 TRANSISTOR DTA124ESA-TP

Q386 8-729-029-21 TRANSISTOR DTA124ESA-TPQ387 8-729-029-21 TRANSISTOR DTA124ESA-TPQ601 8-729-029-67 TRANSISTOR DTC114ESA-TPQ602 8-729-141-87 TRANSISTOR 2SB1116-LKQ603 8-729-029-67 TRANSISTOR DTC114ESA-TP

Q604 8-729-141-87 TRANSISTOR 2SB1116-LKQ605 8-729-029-67 TRANSISTOR DTC114ESA-TPQ606 8-729-116-57 TRANSISTOR 2SB1068TP-KQ661 8-729-139-96 TRANSISTOR 2SC2785TP-HFEQ681 8-729-049-79 TRANSISTOR RT1P137S-TP

Q682 8-729-029-67 TRANSISTOR DTC114ESA-TP

< RESISTOR >

R3 1-216-864-11 METAL CHIP 0 5% 1/16W

R4 1-216-864-11 METAL CHIP 0 5% 1/16W

R7 1-216-864-11 METAL CHIP 0 5% 1/16W

R101 1-216-805-11 METAL CHIP 47 5% 1/16WR102 1-216-819-11 METAL CHIP 680 5% 1/16W

R103 1-216-819-11 METAL CHIP 680 5% 1/16WR104 1-216-811-11 METAL CHIP 150 5% 1/16WR105 1-216-823-11 METAL CHIP 1.5K 5% 1/16W

R106 1-216-815-11 METAL CHIP 330 5% 1/16W

R107 1-216-864-11 METAL CHIP 0 5% 1/16W

R108 1-216-815-11 METAL CHIP 330 5% 1/16WR109 1-216-805-11 METAL CHIP 47 5% 1/16WR110 1-216-833-11 METAL CHIP 10K 5% 1/16WR111 1-216-809-11 METAL CHIP 100 5% 1/16W


57

MHC-DX20

MAIN

R112 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR113 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR114 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR115 1-216-833-11 METAL CHIP 10K 5% 1/16WR116 1-216-809-11 METAL CHIP 100 5% 1/16W

R117 1-216-845-11 METAL CHIP 100K 5% 1/16WR118 1-216-809-11 METAL CHIP 100 5% 1/16WR119 1-216-833-11 METAL CHIP 10K 5% 1/16WR120 1-216-833-11 METAL CHIP 10K 5% 1/16WR121 1-216-821-11 METAL CHIP 1K 5% 1/16W

R122 1-216-833-11 METAL CHIP 10K 5% 1/16WR123 1-216-833-11 METAL CHIP 10K 5% 1/16WR124 1-216-813-11 METAL CHIP 220 5% 1/16WR125 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR126 1-216-829-11 METAL CHIP 4.7K 5% 1/16W

R127 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR128 1-216-818-11 METAL CHIP 560 5% 1/16WR129 1-216-818-11 METAL CHIP 560 5% 1/16WR130 1-216-833-11 METAL CHIP 10K 5% 1/16WR131 1-216-834-11 METAL CHIP 12K 5% 1/16W

R132 1-216-825-11 METAL CHIP 2.2K 5% 1/16W

R133 1-216-817-11 METAL CHIP 470 5% 1/16W

R134 1-216-817-11 METAL CHIP 470 5% 1/16W

R135 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR136 1-216-827-11 METAL CHIP 3.3K 5% 1/16WR137 1-216-809-11 METAL CHIP 100 5% 1/16W

R138 1-216-809-11 METAL CHIP 100 5% 1/16WR139 1-216-864-11 METAL CHIP 0 5% 1/16W

R201 1-216-797-11 METAL CHIP 10 5% 1/16WR202 1-216-797-11 METAL CHIP 10 5% 1/16WR203 1-216-797-11 METAL CHIP 10 5% 1/16WR204 1-216-797-11 METAL CHIP 10 5% 1/16WR205 1-216-805-11 METAL CHIP 47 5% 1/16W

R206 1-216-805-11 METAL CHIP 47 5% 1/16WR207 1-216-832-11 METAL CHIP 8.2K 5% 1/16WR208 1-216-832-11 METAL CHIP 8.2K 5% 1/16WR209 1-216-850-11 METAL CHIP 270K 5% 1/16WR210 1-216-850-11 METAL CHIP 270K 5% 1/16W

R214 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR215 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR216 1-216-845-11 METAL CHIP 100K 5% 1/16WR217 1-216-833-11 METAL CHIP 10K 5% 1/16WR218 1-216-848-11 METAL CHIP 180K 5% 1/16W

R219 1-216-833-11 METAL CHIP 10K 5% 1/16W

R220 1-216-837-11 METAL CHIP 22K 5% 1/16WR221 1-216-833-11 METAL CHIP 10K 5% 1/16WR222 1-216-813-11 METAL CHIP 220 5% 1/16W

R223 1-216-848-11 METAL CHIP 180K 5% 1/16WR224 1-216-848-11 METAL CHIP 180K 5% 1/16WR225 1-216-837-11 METAL CHIP 22K 5% 1/16WR226 1-216-837-11 METAL CHIP 22K 5% 1/16WR227 1-216-846-11 METAL CHIP 120K 5% 1/16W

R228 1-216-846-11 METAL CHIP 120K 5% 1/16WR229 1-216-824-11 METAL CHIP 1.8K 5% 1/16WR230 1-216-824-11 METAL CHIP 1.8K 5% 1/16WR231 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR232 1-216-825-11 METAL CHIP 2.2K 5% 1/16W

R233 1-216-843-11 METAL CHIP 68K 5% 1/16WR234 1-216-843-11 METAL CHIP 68K 5% 1/16WR235 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR236 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR237 1-216-833-11 METAL CHIP 10K 5% 1/16W

R238 1-216-855-11 METAL CHIP 680K 5% 1/16WR239 1-216-833-11 METAL CHIP 10K 5% 1/16WR240 1-216-833-11 METAL CHIP 10K 5% 1/16WR241 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR242 1-216-829-11 METAL CHIP 4.7K 5% 1/16W

R243 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR244 1-216-838-11 METAL CHIP 27K 5% 1/16WR245 1-216-833-11 METAL CHIP 10K 5% 1/16WR246 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR247 1-216-845-11 METAL CHIP 100K 5% 1/16W

R248 1-216-834-11 METAL CHIP 12K 5% 1/16WR249 1-216-855-11 METAL CHIP 680K 5% 1/16WR250 1-216-848-11 METAL CHIP 180K 5% 1/16WR251 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR252 1-216-838-11 METAL CHIP 27K 5% 1/16W

R253 1-216-833-11 METAL CHIP 10K 5% 1/16WR254 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR255 1-216-821-11 METAL CHIP 1K 5% 1/16W

R256 1-216-833-11 METAL CHIP 10K 5% 1/16WR257 1-216-816-11 METAL CHIP 390 5% 1/16W

R258 1-216-813-11 METAL CHIP 220 5% 1/16WR259 1-216-821-11 METAL CHIP 1K 5% 1/16W

R260 1-216-816-11 METAL CHIP 390 5% 1/16WR261 1-216-816-11 METAL CHIP 390 5% 1/16WR262 1-216-845-11 METAL CHIP 100K 5% 1/16W


58

MHC-DX20

MAIN

R263 1-216-833-11 METAL CHIP 10K 5% 1/16WR264 1-216-833-11 METAL CHIP 10K 5% 1/16WR265 1-218-917-11 RES-CHIP 820K 5% 1/16W

R266 1-218-917-11 RES-CHIP 820K 5% 1/16W

R270 1-216-813-11 METAL CHIP 220 5% 1/16W

R271 1-216-857-11 METAL CHIP 1M 5% 1/16WR272 1-216-857-11 METAL CHIP 1M 5% 1/16WR273 1-216-823-11 METAL CHIP 1.5K 5% 1/16WR274 1-216-823-11 METAL CHIP 1.5K 5% 1/16WR275 1-216-829-11 METAL CHIP 4.7K 5% 1/16W

R276 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR277 1-216-845-11 METAL CHIP 100K 5% 1/16WR278 1-216-845-11 METAL CHIP 100K 5% 1/16WR301 1-216-833-11 METAL CHIP 10K 5% 1/16WR302 1-216-833-11 METAL CHIP 10K 5% 1/16W

R303 1-216-838-11 METAL CHIP 27K 5% 1/16WR304 1-216-838-11 METAL CHIP 27K 5% 1/16WR305 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR306 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR307 1-216-835-11 METAL CHIP 15K 5% 1/16W

R308 1-216-835-11 METAL CHIP 15K 5% 1/16WR309 1-216-857-11 METAL CHIP 1M 5% 1/16WR313 1-216-845-11 METAL CHIP 100K 5% 1/16WR314 1-216-845-11 METAL CHIP 100K 5% 1/16WR315 1-216-839-11 METAL CHIP 33K 5% 1/16W


R322 1-216-833-11 METAL CHIP 10K 5% 1/16WR323 1-216-813-11 METAL CHIP 220 5% 1/16WR324 1-216-834-91 METAL CHIP 12K 5% 1/16WR325 1-216-834-91 METAL CHIP 12K 5% 1/16WR326 1-216-833-11 METAL CHIP 10K 5% 1/16W

R327 1-216-825-11 METAL CHIP 2.2K 5% 1/16W

R328 1-216-827-11 METAL CHIP 3.3K 5% 1/16WR329 1-216-827-11 METAL CHIP 3.3K 5% 1/16WR331 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR332 1-216-829-11 METAL CHIP 4.7K 5% 1/16W

R333 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR334 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR335 1-216-845-11 METAL CHIP 100K 5% 1/16WR336 1-216-845-11 METAL CHIP 100K 5% 1/16WR337 1-216-833-11 METAL CHIP 10K 5% 1/16W

R338 1-216-833-11 METAL CHIP 10K 5% 1/16WR339 1-216-831-11 METAL CHIP 6.8K 5% 1/16WR340 1-216-831-11 METAL CHIP 6.8K 5% 1/16WR341 1-216-813-11 METAL CHIP 220 5% 1/16WR342 1-216-813-11 METAL CHIP 220 5% 1/16W

R343 1-216-833-11 METAL CHIP 10K 5% 1/16W

R344 1-216-833-11 METAL CHIP 10K 5% 1/16W

R361 1-215-891-11 METAL OXIDE 680 5% 2WR362 1-215-891-11 METAL OXIDE 680 5% 2WR363 1-216-821-11 METAL CHIP 1K 5% 1/16W


R369 1-216-837-11 METAL CHIP 22K 5% 1/16W

R370 1-216-823-11 METAL CHIP 1.5K 5% 1/16W

R372 1-216-841-11 METAL CHIP 47K 5% 1/16W

R373 1-216-829-11 METAL CHIP 4.7K 5% 1/16W

R374 1-216-841-11 METAL CHIP 47K 5% 1/16W

R381 1-216-842-11 METAL CHIP 56K 5% 1/16W

R382 1-216-841-11 METAL CHIP 47K 5% 1/16W

R383 1-216-833-11 METAL CHIP 10K 5% 1/16WR384 1-216-833-11 METAL CHIP 10K 5% 1/16W

R385 1-216-839-11 METAL CHIP 33K 5% 1/16WR386 1-216-837-11 METAL CHIP 22K 5% 1/16WR387 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR388 1-216-837-11 METAL CHIP 22K 5% 1/16WR389 1-216-830-11 METAL CHIP 5.6K 5% 1/16W

R393 1-216-806-11 RES-CHIP 56 5% 1/16WR394 1-216-806-11 RES-CHIP 56 5% 1/16WR601 1-216-821-11 METAL CHIP 1K 5% 1/16WR602 1-216-819-11 METAL CHIP 680 5% 1/16WR603 1-216-821-11 METAL CHIP 1K 5% 1/16W

R604 1-216-819-11 METAL CHIP 680 5% 1/16WR605 1-216-821-11 METAL CHIP 1K 5% 1/16WR606 1-216-819-11 METAL CHIP 680 5% 1/16WR607 1-216-809-11 METAL CHIP 100 5% 1/16WR608 1-216-809-11 METAL CHIP 100 5% 1/16W

R609 1-216-833-11 METAL CHIP 10K 5% 1/16WR610 1-216-809-11 METAL CHIP 100 5% 1/16WR611 1-216-833-11 METAL CHIP 10K 5% 1/16WR612 1-216-809-11 METAL CHIP 100 5% 1/16WR613 1-216-833-11 METAL CHIP 10K 5% 1/16W

R614 1-216-809-11 METAL CHIP 100 5% 1/16WR615 1-216-809-11 METAL CHIP 100 5% 1/16WR616 1-216-809-11 METAL CHIP 100 5% 1/16WR617 1-216-809-11 METAL CHIP 100 5% 1/16WR618 1-216-833-11 METAL CHIP 10K 5% 1/16W


59

MHC-DX20

R619 1-216-809-11 METAL CHIP 100 5% 1/16WR620 1-216-813-11 METAL CHIP 220 5% 1/16WR621 1-216-813-11 METAL CHIP 220 5% 1/16WR622 1-216-809-11 METAL CHIP 100 5% 1/16WR623 1-216-809-11 METAL CHIP 100 5% 1/16W

R624 1-216-809-11 METAL CHIP 100 5% 1/16WR625 1-216-833-11 METAL CHIP 10K 5% 1/16WR626 1-216-809-11 METAL CHIP 100 5% 1/16WR627 1-216-809-11 METAL CHIP 100 5% 1/16WR628 1-216-809-11 METAL CHIP 100 5% 1/16W

R629 1-216-809-11 METAL CHIP 100 5% 1/16WR630 1-216-809-11 METAL CHIP 100 5% 1/16WR631 1-216-809-11 METAL CHIP 100 5% 1/16WR632 1-216-833-11 METAL CHIP 10K 5% 1/16WR633 1-216-809-11 METAL CHIP 100 5% 1/16W

R634 1-216-833-11 METAL CHIP 10K 5% 1/16WR635 1-216-809-11 METAL CHIP 100 5% 1/16WR636 1-216-809-11 METAL CHIP 100 5% 1/16WR637 1-216-809-11 METAL CHIP 100 5% 1/16WR638 1-216-831-11 METAL CHIP 6.8K 5% 1/16W

R639 1-216-841-11 METAL CHIP 47K 5% 1/16W

R640 1-216-841-11 METAL CHIP 47K 5% 1/16W

R641 1-216-835-91 METAL CHIP 15K 5% 1/16W

R643 1-216-821-11 METAL CHIP 1K 5% 1/16WR644 1-216-851-11 METAL CHIP 330K 5% 1/16WR645 1-216-833-11 METAL CHIP 10K 5% 1/16W

R646 1-216-833-11 METAL CHIP 10K 5% 1/16WR647 1-216-864-11 METAL CHIP 0 5% 1/16W

R648 1-216-864-11 METAL CHIP 0 5% 1/16W


R652 1-216-821-11 METAL CHIP 1K 5% 1/16WR655 1-216-864-11 METAL CHIP 0 5% 1/16WR656 1-216-809-11 METAL CHIP 100 5% 1/16WR657 1-216-833-11 METAL CHIP 10K 5% 1/16WR658 1-216-809-11 METAL CHIP 100 5% 1/16W

R659 1-216-833-11 METAL CHIP 10K 5% 1/16WR660 1-216-809-11 METAL CHIP 100 5% 1/16WR661 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR662 1-216-821-11 METAL CHIP 1K 5% 1/16WR663 1-216-841-11 METAL CHIP 47K 5% 1/16W


R670 1-216-827-11 METAL CHIP 3.3K 5% 1/16W

R671 1-216-841-11 METAL CHIP 47K 5% 1/16W


R677 1-216-841-11 METAL CHIP 47K 5% 1/16WR678 1-216-841-11 METAL CHIP 47K 5% 1/16WR679 1-216-841-11 METAL CHIP 47K 5% 1/16WR680 1-216-833-11 METAL CHIP 10K 5% 1/16WR681 1-216-864-11 METAL CHIP 0 5% 1/16W

R231A 1-216-821-11 METAL CHIP 1K 5% 1/16WR232A 1-216-821-11 METAL CHIP 1K 5% 1/16W

< COMPOSITION CIRCUIT BLOCK >

RB101 1-234-457-11 ENCAPSULATED COMPONENT

< VARIABLE RESISTOR >

RV101 1-241-765-11 RES, ADJ, CARBON 22KRV661 1-241-762-11 RES, ADJ, CARBON 2.2K(TAPE SPEED)

< RELAY >

RY371 1-755-373-11 RELAY

< TRANSFORMER >

T101 1-435-195-11 TRANSFORMER, DISCRIMINATOR

< TERMINAL >

TM101 1-694-555-11 TERMINAL BOARD (4P)

< VIBRATOR >

X101 1-760-549-31 VIBRATOR, CRYSTAL(4.5MHz)X102 1-579-900-21 VIBRATOR, CRYSTAL(4.332MHz) X601 1-567-098-41 VIBRATOR, CRYSTAL(32.768kHz)X602 1-781-107-21 VIBRATOR, SERAMIC(16MHz)

************************************************************

1-675-910-14 MOTOR BOARD*************

< CAPACITOR >

C721 1-162-306-11 CERAMIC 0.01uF 30.00% 16V

< CONNECTOR >

CN721 1-770-516-31 CONNECTOR, FFC 8PCN722 1-785-330-11 PIN, CONNECTOR (LIGHT ANGLE)4P

< SWITCH >

S701 1-771-822-11 SWITCH, LEVER (SLIDE)(OPEN/CLOSE SW)************************************************************

MAIN MOTOR


60

MHC-DX20

********************************************Y-8373-558-A PANEL BOARD, COMPLETE

********************************************

< CAPACITOR >

C701 1-126-966-11 ELECT 33uF 20.00% 50VC702 1-126-966-11 ELECT 33uF 20.00% 50VC703 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC704 1-124-589-11 ELECT 47uF 20% 16VC705 1-162-294-31 CERAMIC 0.001uF 10% 50V

C706 1-162-294-31 CERAMIC 0.001uF 10% 50V

C707 1-162-294-31 CERAMIC 0.001uF 10% 50V

C708 1-162-282-31 CERAMIC 100PF 10% 50V

C709 1-162-282-31 CERAMIC 100PF 10% 50VC710 1-162-282-31 CERAMIC 100PF 10% 50VC711 1-162-282-31 CERAMIC 100PF 10% 50VC712 1-162-282-31 CERAMIC 100PF 10% 50VC713 1-162-282-31 CERAMIC 100PF 10% 50V

C714 1-162-282-31 CERAMIC 100PF 10% 50VC715 1-162-282-31 CERAMIC 100PF 10% 50VC716 1-161-494-00 CERAMIC 0.022uF 25VC720 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC721 1-124-589-11 ELECT 47uF 20% 16V



C732 1-162-282-31 CERAMIC 100PF 10% 50VC733 1-162-282-31 CERAMIC 100PF 10% 50VC734 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC735 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC736 1-162-294-31 CERAMIC 0.001uF 10% 50V

C737 1-162-294-31 CERAMIC 0.001uF 10% 50VC738 1-104-665-11 ELECT 100uF 20.00% 10V

C739 1-104-665-11 ELECT 100uF 20.00% 10V

C754 1-162-215-31 CERAMIC 47PF 5% 50V

C755 1-131-810-91 ELECT 0.22uF 20.00% 100V

C756 1-162-294-31 CERAMIC 0.001uF 10% 50V

C757 1-162-306-11 CERAMIC 0.01uF 30.00% 16V

C758 1-126-956-11 ELECT 0.1uF 20.00% 50V

C759 1-162-290-31 CERAMIC 470PF 10% 50V

C760 1-131-814-91 ELECT 2.2uF 20.00% 100V

C761 1-162-215-31 CERAMIC 47PF 5% 50V

C762 1-162-282-31 CERAMIC 100PF 10% 50V

C763 1-131-814-91 ELECT 2.2uF 20.00% 100V

C765 1-126-964-11 ELECT 10uF 20.00% 50V

C766 1-126-964-11 ELECT 10uF 20.00% 50V

C767 1-164-159-11 CERAMIC 0.1uF 50V

C770 1-164-159-11 CERAMIC 0.1uF 50VC775 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC777 1-164-159-11 CERAMIC 0.1uF 50V

C778 1-164-159-11 CERAMIC 0.1uF 50V

C779 1-164-159-11 CERAMIC 0.1uF 50VC780 1-164-159-11 CERAMIC 0.1uF 50V

< CONNECTOR >

CN711 1-793-767-11 CONNECTOR, BOARD TO BOARD 30P

CN712 1-785-339-11 PIN, CONNECTOR(LIGHT ANGLE)13P

< DIODE >

D701 8-719-071-44 DIODE SELS5223C-TP15( ?/1 (POWER)))

D702 8-719-084-40 DIODE SEL5955A-TP15(MD(VIDEO))

D703 8-719-084-40 DIODE SEL5955A-TP15(TAPE A/B)

D704 8-719-084-40 DIODE SEL5955A-TP15(CD)

D705 8-719-084-40 DIODE SEL5955A-TP15(TUNER/BAND)

D706 8-719-084-40 DIODE SEL5955A-TP15(GAME) D713 8-719-991-33 DIODE 1SS133T-77

D716 8-719-084-40 DIODE SEL5955A-TP15(MD(VIDEO))

D717 8-719-084-40 DIODE SEL5955A-TP15(TAPE A/B)

D718 8-719-084-40 DIODE SEL5955A-TP15(CD)

D719 8-719-084-40 DIODE SEL5955A-TP15(TUNER/BAND)

D720 8-719-084-40 DIODE SEL5955A-TP15(GAME)D721 8-719-991-33 DIODE 1SS133T-77

PANEL


61

MHC-DX20

< FERRITE BEAD >

FB701 1-412-473-41 INDUCTOR 0UH

< FLUORESCENT INDICATOR >

FLD1 1-518-729-11 INDICATOR TUBE, FLUORESCENT

< IC >

IC701 6-800-220-01 IC uPD780232GC-031-8BTIC702 8-759-274-71 IC NJM4565M(TE2) SEN701 8-759-827-70 IC NJL64H400A-1( g)

< JACK >

J701 1-815-167-11 JACK(PHONES)(VIDEO/AUDIO IN PUT)J702 1-815-603-11 JACK(MIC) J704 1-815-684-11 JACK, PIN 3P

< TERMINAL >

JK101 1-694-556-21 TERMINAL BOARD (ANT.PAL) JK101 1-694-555-11 TERMINAL BOARD (4P) R

< TRANSISTOR >

Q701 8-729-029-11 TRANSISTOR DTA124ESA-TPQ702 8-729-029-67 TRANSISTOR DTC114ESA-TPQ703 8-729-029-67 TRANSISTOR DTC114ESA-TPQ704 8-729-029-67 TRANSISTOR DTC114ESA-TPQ705 8-729-029-67 TRANSISTOR DTC114ESA-TP

Q706 8-729-029-67 TRANSISTOR DTC114ESA-TPQ711 8-729-119-78 TRANSISTOR 2SC2785TP-HFE

< RESISTOR >

R701 1-249-410-11 CARBON 270 5% 1/4W FR702 1-249-411-11 CARBON 330 5% 1/4WR722 1-247-843-11 CARBON 3.3K 5% 1/4WR723 1-249-425-11 CARBON 4.7K 5% 1/4W FR724 1-249-427-11 CARBON 6.8K 5% 1/4W F

R725 1-249-429-11 CARBON 10K 5% 1/4W

R738 1-249-421-11 CARBON 2.2K 5% 1/4W F

R740 1-249-404-00 CARBON 82 5% 1/4W FR741 1-249-429-11 CARBON 10K 5% 1/4W

R742 1-249-429-11 CARBON 10K 5% 1/4WR743 1-249-434-11 CARBON 27K 5% 1/4WR744 1-249-434-11 CARBON 27K 5% 1/4WR747 1-249-429-11 CARBON 10K 5% 1/4WR748 1-249-429-11 CARBON 10K 5% 1/4W

R749 1-249-429-11 CARBON 10K 5% 1/4WR750 1-249-429-11 CARBON 10K 5% 1/4WR752 1-249-429-11 CARBON 10K 5% 1/4WR753 1-249-429-11 CARBON 10K 5% 1/4WR755 1-249-429-11 CARBON 10K 5% 1/4W

R756 1-247-807-31 CARBON 100 5% 1/4WR757 1-249-429-11 CARBON 10K 5% 1/4WR758 1-247-807-31 CARBON 100 5% 1/4WR759 1-249-429-11 CARBON 10K 5% 1/4WR760 1-247-807-31 CARBON 100 5% 1/4W

R761 1-249-429-11 CARBON 10K 5% 1/4WR762 1-247-807-31 CARBON 100 5% 1/4WR763 1-249-429-11 CARBON 10K 5% 1/4WR764 1-249-429-11 CARBON 10K 5% 1/4WR765 1-247-903-00 CARBON 1M 5% 1/4W

R768 1-247-807-31 CARBON 100 5% 1/4WR769 1-249-401-11 CARBON 47 5% 1/4W FR770 1-249-417-11 CARBON 1K 5% 1/4W F

R771 1-249-430-11 CARBON 12K 5% 1/4W

R772 1-249-429-11 CARBON 10K 5% 1/4W

R783 1-249-417-11 CARBON 1K 5% 1/4W F

R784 1-249-441-11 CARBON 100K 5% 1/4W

R785 1-249-429-11 CARBON 10K 5% 1/4W

R786 1-249-417-11 CARBON 1K 5% 1/4W F

R787 1-249-433-11 CARBON 22K 5% 1/4W

R788 1-247-807-31 CARBON 100 5% 1/4W

R789 1-249-429-11 CARBON 10K 5% 1/4W

R790 1-247-885-00 CARBON 180K 5% 1/4W

R791 1-247-807-31 CARBON 100 5% 1/4W

R792 1-249-441-11 CARBON 100K 5% 1/4W

R796 1-249-401-11 CARBON 47 5% 1/4W FR805 1-247-807-31 CARBON 100 5% 1/4WR806 1-249-403-11 CARBON 68 5% 1/4W F

< VIBRATOR >

RES701 1-795-058-21 VIBRATOR, CERAMIC(5MHz)

< SWITCH >

S701 1-771-874-11 SWITCH, KEYBOARD(?/1 (POWER))S702 1-771-874-11 SWITCH, KEYBOARD(GAME)S722 1-771-874-11 SWITCH, KEYBOARD(MD(VIDEO))S723 1-771-874-11 SWITCH, KEYBOARD(TAPE A/B)S724 1-771-874-11 SWITCH, KEYBOARD(TUNER BAND)

S725 1-771-874-11 SWITCH, KEYBOARD(CD)

< VARIABLE RESISTOR >

VR701 1-418-725-11 ENCODER, ROTARY (12 TYPE)(VOLUME)VR703 1-225-739-11 RES, VAR CARBON 50K(MIC LEVEL)

************************************************************

PANEL


62

MHC-DX20

******************************************************A-4725-997-A POWER AMP BOARD, COMPLETE

******************************************************

******************************************************

< CAPACITOR >

C501 1-126-964-11 ELECT 10uF 20.00% 50V

C502 1-162-294-31 CERAMIC 0.001uF 10% 50V

C503 1-162-282-31 CERAMIC 100PF 10% 50VC504 1-128-551-11 ELECT 22uF 20.00% 25V

C507 1-130-493-00 MYLAR 0.068uF 5% 50VC508 1-130-493-00 MYLAR 0.068uF 5% 50V

C509 1-128-560-11 ELECT 22uF 20.00% 100V

C511 1-162-306-11 CERAMIC 0.01uF 30.00% 16V

C541 1-130-777-00 MYLAR 0.1uF 10.00% 100V

C542 1-135-928-11 ELECT 2200uF 20% 63V

C543 1-164-159-11 CERAMIC 0.1uF 50VC544 1-126-942-61 ELECT 1000uF 20.00% 25VC545 1-128-549-11 ELECT 3300uF 20.00% 35V

C551 1-126-964-11 ELECT 10uF 20.00% 50V

C552 1-162-294-31 CERAMIC 0.001uF 10% 50V

C553 1-162-282-31 CERAMIC 100PF 10% 50VC554 1-128-551-11 ELECT 22uF 20.00% 25V

C557 1-130-493-00 MYLAR 0.068uF 5% 50VC558 1-130-493-00 MYLAR 0.068uF 5% 50V

C559 1-128-560-11 ELECT 22uF 20.00% 100V

C591 1-130-777-00 MYLAR 0.1uF 10.00% 100V

C592 1-135-928-11 ELECT 2200uF 20% 63V

< CONNECTOR >

CN502 1-778-981-21 CONNECTOR, BOARD TO BOARD 13PCN503 1-778-981-21 CONNECTOR, BOARD TO BOARD 13PCN504 1-785-314-11 PIN, CONNECTOR (STRAIGHT) 2P (DX30)

< DIODE >

D501 8-719-991-33 DIODE 1SS133T-77D502 8-719-991-33 DIODE 1SS133T-77D541 8-719-510-68 DIODE D5SBA204101D542 8-719-200-82 DIODE 11ES2-NTA1BD543 8-719-200-82 DIODE 11ES2-NTA1B

D551 8-719-991-33 DIODE 1SS133T-77

< TERMINAL >

* EP501 1-537-738-21 TERMINAL, EARTH (DX30:KR,RG40)* EP502 1-537-738-21 TERMINAL, EARTH

< IC >

IC501 8-749-016-93 IC STK402-070S

< TRANSISTOR >

Q501 8-729-140-85 TRANSISTOR 2SC1841TP-PAFAEAQ503 8-729-140-83 TRANSISTOR 2SA988TP-PAFAEAQ504 8-729-140-85 TRANSISTOR 2SC1841TP-PAFAEAQ551 8-729-140-85 TRANSISTOR 2SC1841TP-PAFAEAQ581 8-729-140-85 TRANSISTOR 2SC1841TP-PAFAEA

Q582 8-729-119-78 TRANSISTOR 2SC2785TP-HFE Q583 8-729-029-87 TRANSISTOR DTC124ESA-TPQ584 8-729-119-78 TRANSISTOR 2SC2785TP-HFE

< RESISTOR >

R501 1-249-417-11 CARBON 1K 5% 1/4W FR502 1-249-438-11 CARBON 56K 5% 1/4W

R503 1-249-416-11 CARBON 820 5% 1/4W F

R504 1-249-438-11 CARBON 56K 5% 1/4W

R505 1-249-417-11 CARBON 1K 5% 1/4W FR506 1-249-431-11 CARBON 15K 5% 1/4WR507 1-249-441-11 CARBON 100K 5% 1/4W

POWER AMP



63

MHC-DX20

0R508 1-217-151-11 METAL 0.22 2W

R509 1-260-076-11 CARBON 10 5% 1/2W

0R510 1-217-151-11 METAL 0.22 2W

0R511 1-212-881-91 FUSIBLE 100 5% 1/4W

0R512 1-202-972-91 FUSIBLE 1 5% 1/4WR513 1-249-433-11 CARBON 22K 5% 1/4W

R514 1-249-421-11 CARBON 2.2K 5% 1/4W FR515 1-249-433-11 CARBON 22K 5% 1/4WR516 1-249-429-11 CARBON 10K 5% 1/4W

R517 1-249-421-11 CARBON 2.2K 5% 1/4W FR518 1-249-429-11 CARBON 10K 5% 1/4WR519 1-249-433-11 CARBON 22K 5% 1/4W

R520 1-249-441-11 CARBON 100K 5% 1/4W

R521 1-249-441-11 CARBON 100K 5% 1/4W

R522 1-249-441-11 CARBON 100K 5% 1/4W

R523 1-249-409-11 CARBON 220 5% 1/4W F

R524 1-247-897-11 CARBON 560K 5% 1/4W

R525 1-249-437-11 CARBON 47K 5% 1/4W

R541 1-260-115-11 CARBON 22K 5% 1/2W

R551 1-249-417-11 CARBON 1K 5% 1/4W FR552 1-249-438-11 CARBON 56K 5% 1/4W

R553 1-249-416-11 CARBON 820 5% 1/4W F

R554 1-249-438-11 CARBON 56K 5% 1/4W

R555 1-249-417-11 CARBON 1K 5% 1/4W FR556 1-249-431-11 CARBON 15K 5% 1/4WR557 1-249-441-11 CARBON 100K 5% 1/4W

0R558 1-217-151-11 METAL 0.22 20% 5W

R559 1-260-076-11 CARBON 10 5% 1/2W

0R560 1-217-151-11 METAL 0.22 20% 5W

0R561 1-212-881-91 FUSIBLE 100 5% 1/4W

R581 1-249-435-11 CARBON 33K 5% 1/4WR582 1-249-435-11 CARBON 33K 5% 1/4WR591 1-260-115-11 CARBON 22K 5% 1/2W

************************************************************

1-681-442-11 SENSOR BOARD*************

< THERMISTOR >

TH501 1-807-796-11 THERMISTOR************************************************************

1-681-445-11 SUB TRANS BOARD****************

< CAPACITOR >

C901 1-113-925-11 CERAMIC 0.01uF 20.00% 250VC902 1-126-768-57 ELECT 2200uF 20.00% 16VC903 1-126-933-11 ELECT 100uF 20.00% 16V

< CONNECTOR >

CN2 1-568-106-11 PIN, CONNECTOR 4P CN901 9-862-294-01 PIN, CONNECTOR 2P

CN903 1-785-315-11 PIN, CONNECTOR (STRAIGHT) 3P

< DIODE >

D901 8-719-991-33 DIODE 1SS133T-77D902 8-719-025-01 DIODE 11ES2-NTA1BD903 8-719-025-01 DIODE 11ES2-NTA1BD904 8-719-025-01 DIODE 11ES2-NTA1BD905 8-719-025-01 DIODE 11ES2-NTA1B

< IC >

IC901 8-759-158-62 IC TA78057S

< TRANSISTOR >

Q901 8-729-139-96 TRANSISTOR 2SC2785TP-HFE

< RESISTOR >

R902 1-249-429-11 CARBON 10K 5% 1/4W

< RELAY >

RY901 1-755-276-11 RELAY, POWER

< TRANSFORMER >

0T901 1-435-828-11 SUB TRANSFORMADOR

************************************************************

POWER AMP SENSOR SUB TRANS



64

MHC-DX20

Y-8373-560-A PCI TRANSFORMADOR MONTADA****************************************

1-533-217-11 HOLDER, FUSE

< CAPACITOR >

C911 1-128-553-11 ELECT 220uF 20.00% 63VC912 1-126-964-11 ELECT 10uF 20.00% 50VC913 1-126-968-11 ELECT 100uF 20.00% 50VC915 1-164-159-11 CERAMIC 0.1uF 50V

< CONNECTOR >

CN915 1-564-528-11 PLUG, CONNECTOR 13P

< DIODE >

D911 8-719-200-82 DIODE 11ES2-NTA1BD912 8-719-983-20 DIODE MTZJ-T-77-30BD913 8-719-923-38 DIODE MTZJ-T-77-5.6B

< FUSE >

0F917 1-532-464-31 FUSÍVEL RETARDADO 2,5A

0F919 1-532-504-31 FUSÍVEL RETARDADO 4A

< TRANSISTOR >

Q911 8-729-048-52 TRANSISTOR 2SA1932(TP)

< RESISTOR >

R905 1-249-429-11 CARBON 10K 5% 1/4W0R911 1-217-637-81 FUSIBLE 1 5% 1/4W

R912 1-249-417-11 CARBON 1K 5% 1/4W FR913 1-249-429-11 CARBON 10K 5% 1/4WR915 1-247-807-31 CARBON 100 5% 1/4W

R916 1-247-807-31 CARBON 100 5% 1/4W

0R919 1-219-122-81 FUSIBLE 0.33 5% 1/4W0R920 1-219-122-81 FUSIBLE 0.33 5% 1/4W

< SWITCH >

0S901 1-786-055-11 SELECTOR, VOLTAGE

< TRANSFORMER >

0T911 1-437-358-11 TRANSFORMER, POWER 0T911 1-437-228-11 TRANSFORMER, POWER 0T911 1-437-229-11 TRANSFORMER, POWER ************************************************************

1-681-441-11 VIDEO OUT BOARD***************

< JACK >

JK705 1-774-227-11 JACK, PIN 1P (VIDEO OUT)************************************************************

MISCELLANEOUS**************

64 1-796-123-21 DECK, MECH (CWLFR35)101 1-773-049-11 WIRE (FLAT TYPE) (17 CORE)104 1-791-897-12 WIRE (FLAT TYPE) (19 CORE)

0108 1-757-813-21 CABO DE FORÇA MONTADO

0-103-848-01 FIO ANTENA MONOFILAR MONTADO1-528-681-11 PILHA PEQUENA4-234-236-11 MANUAL DE INSTRUÇÕESY-8283-248-A CONJUNTO ANTENA LOOPY-8373-770-A CONTROLE REMOTO RM-SR210

259 1-791-983-11 WIRE (FLAT TYPE) (8 CORE)266 1-471-035-11 MAGNET ASSY

0T911 1-437-357-21 TRANSFORMADOR DE FOR286 8-820-116-01 OPTICAL PICK-UP KSM-213DCP/Z-NP

ÇA

************************************************************

**************HARDWARE LIST**************

#1 7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S#2 7-685-871-01 SCREW +BVTT 3X6 (S)#3 7-685-880-09 SCREW +BVTT 4X6 (S)#4 7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3#5 7-685-872-09 SCREW +BVTT 3X8 (S)

TRANS VIDEO OUT

288 1-792-024-11 WIRE (FLAT TYPE) (16 CORE)M961 1-763-072-11 FAN,DC


1

SS-DX20MANUAL DE SERVIÇO

CAIXA ACÚSTICA

Brazilian Model

Foto: SS-DX20

ESPECIFICAÇ Õ ES TÉCNICAS

Sistema : 2 vias, 2 unidades, tipo bass-reflexSub Woofer : 13 cm, tipo coneWoofer : 13 cm, tipo coneTweeter : 5 cm, tipo coneImpedância Nominal : 6 ohmsDimensões(L/A/P) : Aprox. 200 × 325 × 222 mmPeso Líquido :Aprox. 3,21 kg cada caixa

Design e especificações estão sujeitos a mudança sem prévio aviso.

4-234-606-01 PAINEL FRONTAL DIREITO4-231-805-02 PAINEL FRONTAL ESQUERDO4-233-981-01 GRADE FRONTAL4-224-803-01 ANEL DO TWEETER4-224-562-12 SCREW (4) (3.5X14), TAPPING

4-224-560-11 SPEAKER CABINET (R) ASSY4-231-568-01 SPEAKER CABINET (L) ASSYY-8373-570-A JUNTA DO DUTO DIREITO4-234-008-21 JUNTA DO DUTO ESQUERDO4-234-021-01 SCREW (3.5)

4-233-992-01 CALÇO PROTETOR1-544-827-11 ALTO FALANTE 13CM1-544-826-11 ALTO FALANTE 5CM4-234-023-01 FIO PREPARADO

LISTA DE PEÇAS

Y-8373-555-ASS-DX20 MONTADA

S O N Y S O N Y

Sony Comércio e Indústria Ltda. Assessoria Técnica Consumidor

Depto. Técnico – Julho/2001http://www.sony.com.br

Sony Comércio e Indústria Ltda.

Boletim InformativoAssessoria Técnica Consumidor

MHC-DX1, MHC-DX10B,MHC-DX20 / DX30

Número 01/02(A)Data 20/02/2002

Referente: FAVOR SUBSTITUIR ANTERIOR (01/02)CORREÇÃO E INCLUSÃO DE PEÇAS

Favor corrigir o código seguinte no manual de serviço.

Modelo: MHC-DX1 * Página 50 do Manual de Serviço

Errado Correto

Código Descrição Código Descrição

A-4428-064-A PLACA AMP, COMPLETE A-4473-654-A PLACA AMP,COMPLETE

Modelo: MHC-DX10B * Página 40 do Manual de Serviço

Errado Correto

Ref.No. Código Descrição Ref.No. Código Descrição

51 4-235-533-01 VISOR CASSETE (L) 51 4-234-012-01 VISOR CASSETE (A)52 4-235-534-01 VISOR CASSETE (R) 52 4-234-013-01 VISOR CASSETE (B)53 4-234-986-11 TAMPA CASSETE (L) 53 4-234-986-11 TAMPA CASSETE (A)53 4-234-987-11 TAMPA CASSETE (R) 53 4-234-987-11 TAMPA CASSETE (B)

Modelo: MHC-DX20 / DX30 * Página 47 do Manual de Serviço

Errado Correto


53 4-233-986-11 TAMPA CASSETE (L) 53 4-233-987-11 TAMPA CASSETE (B)53-1 4-234-012-11 VISOR CASSETE (L) 53-1 4-234-013-01 VISOR CASSETE (B)54 4-233-987-11 TAMPA CASSETE (R) 54 4-233-986-11 TAMPA CASSETE (A)54-1 4-234-013-01 VISOR CASSETE (R) 54-1 4-234-012-11 VISOR CASSETE (A)

Modelo: MHC-DX30 * INCLUSÃO DE PEÇA

Anterior Incluir


6-900-580-00 GABINETE ACÚSTICO (R)

6-900-581-00 GABINETE ACÚSTICO (L)

Documents

MHC-DX20diagramas.diagramasde.com/audio/MHC-DX20.pdfFM estéreo, sintonizador super-heteródino de FM/AM Sintonizador FM Faixa de Sintonização 87,5 – 108,0MHz Antena Antena monofilar