Sony MHC-DX10B Schematic

MHC-DX10B

MANUAL DE SERVIÇO

Ver 1.7 09. 2003

pág 40 correias

Foto : MHC-DX10

Seção
CD

Seção Modelo que usa mecanismo similar Novo
Toca Fitas Tipo do Mecanismo do Toca-Fitas CWL44FF29

Brazilian Model

Modelo que usa mecanismo similar Novo
Tipo do Mecanismo do CD CDM58F-K6
Nome da Unidade Óptica

KSM-213DCP/Z-NP

ESPECIFICAÇÕES TÉCNICAS - VER PÁGINA SEGUINTE

SISTEMA COMPACTO DE SOM

5-1. LOCALIZAÇÃO DAS PLACAS DE CIRCUITO

placa MOTOR

placa ADDRESS SENSOR

placa DRIVER

placa TRANS

MHC-DX10B

placa VIDEO OUT

placa SPDL

placa SENSOR

placa CD

placa PAINEL

placa POWER

placa SUB TRANS

placa PRNCIPAL (MAIN)

FORMAS DE ONDA

- PLACA CD - - PLACA PRINCIPAL - - PLACA PAINEL -

1

IC751 rf (XOUT)

59 ns

4.9Vp-p

2

IC102 wf (XOUT)

222 µs

3

L251

16.6 µs

(60.1 kHz)

3.2Vp-p

14.1Vp-p

4

IC601 qj (XTAL 6.0MHz)

167 ns

4.8Vp-p

6-2. DIAGRAMA EM BLOCO

SEÇÃO TUNER

FM 75Ω

AM

TM101

1

1

ANT IN

ANT IN

FE101

IF OUT

OSC OUT

FE101

1

3

RB101

FRONT-END, IFAMP, MPX

Q102

Q101
RF IF

AMP

PLL

T101

FM IF

1

5

FM IF

FM DET

7
8

VT

5

JR109

CF101 CF102

+B A+12V

IC102

10

1

24

15
18
17
19

XIN

XOUT

FM OSC
VT1 IN
VT1
PD1

X101

4.5MHz

7IF OUT
8OSC OUT
5VT

13

4

122

14

55

1511

67

9

AM OSC

12

IFFM/AM

FM

7

14

2VCO STOP
8IF REQ

DO

6

DO

CE

DI

DI

4DI

CL

CL

5

CE

3

D108

9
12
24
13

8

20

22

23

IF OUT
AM/IF
AM OSC
VCO STOP
IF MUTE

AM RF

OSC

V REG

OPTICAL PICK-UP

BLOCK

VC

A
B
C
D
E
F

LD

GND

PD

VR

F+

FOCUS

COIL

F-

COIL

T+

T-

TRACKING

+5V

DRIVE

M102
SLED

MOTOR

M101

SPINDLE

MOTOR

Q101

LD

AM

TRACKING

RF AMP

IC103

12

VC

5

RFO

A

6

B

7

C

8

D

11

E

10

F

3

LD

4

PD

IC102

MOTOR DRIVER

13

CH1
OUT R

14

CH1
OUT F

11

CH2
OUT R

12

CH2
OUT F

18

CH3

M

M

OUT R

17

CH3
OUT F

16

CH4
OUT R

15

CH4
OUT F

RFI

FE
TE

CH1
R IN

CH1
F IN

CH2
R IN

CH2
F IN

CH3
R IN

CH3
F IN

CH4
S IN

MUTE

16
17

14
13

22LD ON

21HOLD SW

3

2

6

5

23

24

25

20

AM
FREQUENCY
COVERRAGE

DIGITAL SERVO

DIGITAL SIGNAL PROCESSOR

D/A CONVERTER

IC101

D OUT

60

51

RFAC

43

RFDC

L OUT 1

39

FE

41

TE

40

SE

14

XLON

32

FFDR

33

FRDR

30

TFDR

31

TRDR

29

SRDR

28

SFDR

26

MDP

L OUT 2

SCLK
SCOR
SQSO

SENS

SSTP

XTAI

XTAO

72

75

5DATA
7CLOK
6XLAT
2SQCK
9

20

1
8

27

66

67

3XRST

L-CH

X101

16.9344MHz

S101
LIMIT
IN SW

PH671

OPTICAL
DIGITAL

OUT

DIGITAL OUT

OPTICAL

1717

FRONT-END, IFAMP, MPX

1

5

FM IF

9
12
24
13

8

D108

20

AM/FM

IC101

FM IF

FM DET

IF OUT
AM/IF
AM OSC
VCO STOP
IF MUTE

AM RF

L OUT

R OUT

AM MIX OUT

FM SD ADJ

MHC-DX10B

R-CH

RV611

AMP

Q103

IFT101

IFT101

AM IF

FM SD ADJ

11

10

18AM IF IN

19

3

L-CH

A

MAIN

SECTION

MASTER CONTROL

IC401(1/2)

X102

4.332MHz

T102

MUX

21
20

RDS DATA
RDS INT

• RCH is omitted

• Signal Path

: FM

: AM

: CD

: DIGITAL OUT

PH671

OUT

22

OSC

23

V REG

DIGITAL OUT

OPTICAL

TU LED

6
7

ST LED

CD

L OUT

B

MAIN

SECTION

24

TUNED

23

STEREO (IN)

22

ST MUTE

DO

27

ST DIN

DI

26

ST DOUT

CL

28

ST CLK

CE

25

ST CE

IC701

9

MOTOR

DRIVE

7

M+7V

TBL ADDRESS

4

2

IC711

SENSOR

M

S701

OPEN/CLOSE

M721
TURN

MOTOR

35

CD DAT OUT

37

CD CLK

42

XLT

33

SQ CLK

19

SCOR

32

SQ DAT

34

SENS

LOAD IN

T SENS

CLOSE SW

44

45LOAD OUT

49

46OPEN SW
47

BU UP/DOWN SW

43

XRST

40

HOLD

48

S711

UP/DOWN

1717

MHC-DX10B

SEÇÃO PRINCIPAL

SECTION

SECTION

GAME

IN

–A DECK–

HP101

PLAYBACK

–B DECK–
HRPE101

RECOD/

PLAYBACK/

• RCH is omitted

• Signal Path

J702
MIC

TUNER

CD

MD/VIDEO
(AUDIO IN)

VIDEO

OUT

HEAD

ERASE

HEAD

: PB (DECK A)

: PB (DECK B)

: REC (DECK B)

: FM

: CD

VIDEO

AUDIO

Q227 Q222,225

Q224,228

DRIVE

Q701
LED

DRIVER

RV703

MIC

LEVEL

90
66
70

71

68

69

89

67

60

61

65

D206

MIC +12V

B SHUT
B REC KEY
A PLAY

B PLAY

A HALF

B HALF

A SHUT

B REC REV

A TRIG

B TRIG

CAP M CONT

S701

BIAS

`/1

EVER 5.7V

IC702

(2/2)

AMP

TC RELAY

POWERKEY
74

1

2

9

POWER
97

A

B

A/B

19

DISPLAY KEY
73

DISPLAY

REC/ PB AMP

IC201

PB A/B

S726

X601

32.768kHz

10

XC IN

11

6

XC OUT

PB

5

REC

11

Q210,211
D203,204

AMC

DETECT

X602

16MHz

15

13

X IN

37-58 61-68 69-80

Q214

X OUT

RES701

5MHz

3

X14X2

FLUORECENT

INDICATOR TUBE

FLD1

43

TUNER L

42

CD L

47

MD L

INPUT SELECT

TONE/VOL CONT

32

24

OUT L

31

24

OUT R R CH

IC301

Q213

BUFFER

EVER +5V

REMOTE
CONTROL
RECEIVER

45

TAPE/ L

DPLL1

57

BPOUTCBASCK

39 38 37 36 35 34

SI

D302

SEN701

72767775

AMS

REC-MUTE

4

REMOTE IN

MASTER CONTROL

SP-VACS

SP-LATC

SP-LATB

7

SP-LATA

3878-CLK

5681 80829179

3878-LAT

3878-DAT

IC401(2/2)

41

3

2

1

100

+5V (SW)

25

VDD

DISPLAY CONTROL

D713

6

RESET M-RESET

10

7

9

8

S S-LCK

S S-OUT

S S-IN

SBSY S-BSY

IC701

LED

LED33LED32LED31LED30LED29LED28LED27KEY 022KEY 121KEY 2

34

F1
F2
VP (-30V)

LED DRIVER

Q702-710

Q701-712,716-720

26

DVD 5.1

KEY MATRIX

S713-725
S727-738

S702,704,711

S712 DX20

ROTARY

ENCODER

VR701

VOLUME

VOL13VOL

14

20

IC702

(1/2)

MIC AMP

L-CH

A

LOUT

B

J301

L-CH

L

L-CH

R-CH

L-CH

R-CH

J705

JK704

L-CH

R-CH

R-CH

CASETTE

DECK
UNIT

MOTOR H

RV661
MOTOR
SPEED

R-CH

R-CH

B-PHOTO

REC(FWD)

A-MODE

B-MODE

A-HALF

B-HALF

A-PHOTO

REC(REV)

A-SOL

B-SOL

CAPM+

MOTOR L

Q217

Q223,L201

BIAS OSC

D701

`/1

Q220,221

Q601,602

A TRIG
DRIVE

Q603,604

B TRIG
DRIVE

Q605,606

CAPSTAN MOTOR

R

L
R

ERASE

32

24

OUT L

31

24

OUT R R CH

Q361,362

MUTE
CONT

MUTE
Q301

Q503,504

MUTE

BUFFER

IC501

1

POWER

AMP

Q581
MUTE

DRIVE

R CH

JK302

L

R

SPEAKER

IMPEDANCE

USE 6-16Ω

6

7

12

Q501

OVER LOAD

DETECTOR

Q381,382

DC

DETECT

D502

Q383

PROTECT

CONT

Q386,387

PROTECT

SWITCH

SCK

D302

3878-CLK

3

10

SI

3878-LAT

SBSY S-BSY

5681 80829179

2

7

S S-LCK

3878-DAT

1

9

S S-OUT

ROTARY

ENCODER

VR701

VOLUME

100

8

S S-IN

VOL13VOL

R CH

Q365
MUTE

CONT

Q384,385

RERAY

DEIVE

D383

84

STK MUT

85

88

PROTECT

FRONT-RELAY

CD POWER

+5V
REG

3

IC682

Q681,682

CD POWER

SWITCH

1

D+5V(SW)
A+5V(SW)

38

RDS +5V

D +5V

+5V(SW)

IC681

1

D686
D670

83

LINE MUT

IC683

MIC +12V

M+7V

D691-693

+7V

+9V

BD +5V

Q661

EVER +5V

IC661

RESET

EVER +5.7V

14

HEADPHONES

17

12 3 1

RESET

STBY RELAY

86

D667

D661
D669

1

1

IC684

D664

REG

+12V
REG

REG

MUTE

Q363

RY371

Q911,D911-913

+5.7V

-V

REG

F914

D541

F920

D681-684

D687-690

F1

F2

D902-905

1

REG

Q901

RELAY
DRIVE

VP (-30V)

+B

POWER

AMP

-B

D685

+5V

3

D543 D542

3

+9V

3

IC901

3

RY901

JACK701
PHONES

T911

AC1

DX20: AR,E2,
E51,EA,SP

JW911

AC1

AC3

JW912

F919

AC3

AC4

JW913

AC4

T901

S901

JW6

JW5

DX20: AR,E2,E51,EA,SP

S901

VOLTAGE SELECTOR

230-240V

r

220V

r

120V

JW2

JW3

JW1

JW4

AC
IN

1818

MHC-DX10B

IC B/D

CN102

(Page 29)

E

(5/5)

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

AX

2

11

16 16

2020

MHC-DX10B

6-6. DIAGRAMA ESQUEMÁTICO – SEÇÃO PRINCIPAL (1/5) –

R214

4.7k

R234

Q230

MUTE

R249
680k

C235A

47p

D203

R233

68k

2SC3623A-LK

68k

Q210,211

AMP

R250
180k

C256

50V

Q229
MUTE

C235

1

50V

Q210

2SC2785

1

R261

390

R263

10k

R231

2.2k

R232

2.2k

R264

10k

R238
680k

C236A

47p

R218
180k

R262
100k

C233

0,01uF

R231A

0,01uF

R232A

MC

1k

C234

R270

R236

4.7k

R235

4.7k

C244

0.0015

220

R226

22k

*C226

C226

*

C243

0.0015

R216
100k

MC

1k

MAIN

BOARD(2/5)

(Page 26)

MAIN

BOARD(3/5)

(Page 27)

DX20

R255

1k

JR17

0

C236

100
16V

C257

0.1
50V

10

1SS355TE

8
9

11

12

R258

R256

Q211

2SC2785

R257

D204

R259

1k

Q226

DTA124ES

SWITCH

2SC3623A-LK

220

10k

390

1SS355TE

• Veja pág. 42 para diagrama em bloco dos ICs.

C272

1

50V

R278

100k

C270

100
16V

*C232

2SC3623A

2SC3623A

0.0018

R247
100k

0.47

Q215
MUTE

Q214

MUTE

C232

50V

*

R276

4.7k

R217

10k

Q212

2SC2785

AMP

C265

0.01

R215

4.7k

R274

1.5k

R277
100k

C271

50V

R272

1M

*R219

10k

R219

*

C217

47

16V

C228

47p

IN

REC

REC

IN

C227

47p

100
10V

Q213

2SC2785

AMP

R271

1M

R224
180k

NF

NF

R223
180k

C230

100
10V

R230

1.8k

*C219

REC

REC

2.2

C225

D205

1SS355TE

R237

R220

22k

10k

R228

RG30
DX20

C231

50V

*

R229

1.8k

R273

1.5k

120k

ALC

REC/PB PRE AMP

GND

R227
120k
C229

R222

220

C222
C224
470p

R275

4.7k

1

50V

*C222

3.3

4.7

*C231

0.47

*

R225

Q220,221

SWITCH

Q220

2SC2785

Q221

2SC2785

C238

R241

4.7k

22k

*

MAIN

BOARD(4/5)

(Page 28)

Q219

2SC2785

Q218

2SC2785

Q218,219

SWITCH

L201

8

6

5

C223

0.022

4

MC

R242

4.7k

4

7

Q223

2SC2001

BIAS

OSC

JR7

0

13

6

7

C242

0.001

C241

0.0047
MC

MC

R252

27k

C239

0.015
MC

9

3
2
1

BIAS OSC

C214

50V

R208

C212

8.2k

1

0.018
MC

C217

47

16V

C230

100
10V

R230

R228

1.8k

120k

C228

R224
180k

47p

IN

NF

REC

REC/PB PRE AMP

REC

IN

NF

C227

R223
180k

47p

R227
120k
C229

100
10V

Q213

2SC2785

AMP

R271

1M

*C219

REC

REC

2.2

OUT

OUT

C225

50V

*C225

C219

50V

*

C237
470p

4.7

*

CD

M/H

C218

47

16V

IC201

TA8189N

VCC

GND

C213

C210

47

16V

R206

47

C206
220p

R210

C208

270k

220p

C202
680p

PRE

PRE

OUT

OUT

R209
270k

0.018

R207

8.2k

METAL

METAL

C211

MC

OUT

OUT

NF

NF

C207
220p

C205
220p

CH2/B

CH1/B

C209

16V
R205

47

CH2/A

CH1/A

C201
680p

47

1SS355TE

A/B

TAPE

MIX

OUT

R221

10k

1

50V

D206

R239

10k

R240

10k

C203
680p

Q217

2SC3623A

SWITCH

2SC3623A

Q216

SWITCH

C204
680p

R204

R202

10

R201

10

R203

10

10

CN203

3P

CN202

R-CH

L-CH

R-CH

L-CH

-A DECK­HP101

PLAYBACK

HEAD

-B DECK­HRP101

RECORD/

PLAYBACK

ERASE

HEAD

22k

*

MAIN

BOARD(4/5)

(Page 28)

Q219

2SC2785

Q218

2SC2785

Q218,219

SWITCH

*C238

0.0018

Q225

2SB1116A

Q222,225

SWITCH

2222

R245

10k

R251

2.2k

Q222

2SC2785

C221

4.7
50V

Q228

Q224

2SC2785

2SB1116A

R253

10k

Q224,228

BIAS OSC

B+ SWITCH

R254

4.7k

1

R260

C240

16V

390

47

Q227

2SB1116A

BUFFER

C266

D207

0.022
R243

2.2k

3

2

R244

27k

C215

2.2

1SS355TE

50V

R248

12k

R246

4.7k

5

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.

RG30

DX20

JK101

JK101

75 Ω

75 Ω

DX20

FE101

GA

GND

ANT IN

FM

AM

FM

AM

RG30

0
110

JR

D101

DA204K

DX20

GND

R3

0

R111

100

C113

0.47
50V

R112

4.7k

VT

GND

0

607
JR

C112

0.01

+B

DX20

0

109
JR

JR606

0

R113

4.7k

R114

4.7k

R135

4.7k

C114

C116

OSC OUT

IF OUT

RB101

PB641

R115

R139

0

10k

C110

0.01

R116
100

C115

47

0.01

16V

2.2
50V

R136

3.3k

R117
100k

C149

R104

4p

150

C117

RG30

FE101

CED

GND

ANT IN

JR641
JR642

C104

47

16V

*R106

330

C118

0.01

47

16V

GND

C103

0.01

0
0

R102

680

CF101

R103

680

R106

*

DX20

C111

0.01

JR603

0

C101

0.01

R101

C102

0.01

VT

GND

47

R109

47

R108

330

RG30

DX20

RG30
L108

1µH

C29
33p

L107

33µH

L107

0

C119

0.01

JR602

0

Q101

2SC2410SN

RF IF AMP

R105

1.5k

+B

CF102

R7

0

R121

OSC OUT

IF OUT

R107

0

Q102

UN4111

+B

SWITCH

JR633

0

C105

0.01

*C142

DX20

100P

C106

C107

100
16V

0.01

JR635

0

IC101

BA1450

FM/AM

FRONTEND,

IF AMP,MPX

1k

OSC/OUT

IF
FM

C108

IFT101

10

50V

R110

10k

JR634

0

IX

RF

REG

VCC

AFC

OSC

SD

GND

FM

R125

4.7k

M

AM

AM

ET
D

FM

TU LED

IF
AM

ST LED

C142

C143

16V

C
AG

UT
IF M

C121

22p

CH

IC102

LC72130

PLL

X101

4.5MHz

C122

C127

T101

C128

0.01

1

50V

TU LED

24

C129

0.01

T LED
S

23

B

C130

0.01

1SS355TE

R126

4.7k

UTE

T M
S

22

6

IN

A

M

)

/5

(3

D

R

A

O

)

7

e 2

ag

(P

0.001

C123

VT1

IF FEO

B+

W
M

0.001

C124

SW

OSC

OSC
FM

AM

/AM
FM

FM

IF

R119

10k

R120

R118
100

10k

C120

R122

10k

0.01

R123

10k

D104

-TT

11-6.8B

DTZ

13

C125

R124

47

220

16V

14

C126

0.01

RV101

22k

FM TUNED LEVEL

ND

XOUT

XIN

33p

CH

VT2

GM

VCO

CE

25

VT2IN

DI

26

PD2

PD1

VT1IN

CLK

DO

FM

27

28

2323

MHC-DX10B

IX
M

AM

TU LED

TU LED

24

C129

0.01

*C142

100P

T LED
S

23

DX20

IF
AM

ST LED

C130

0.01

C142

C143

C
AG

UT
IF M

1SS355TE

R126

4.7k

UTE
T M

S

22

RG30

T102

C137

10

*

C138

50V

560p

R4

0

10

IN

A

M

)

/5

(1

D

R

A

O

B

)

5

2

e

ag

(P

DX20

PX
M

OUT
R

*1

*1 C131,132

0.015

R131

C140

C132

R132

2.2k
C139

*

12k

*C139

DX20

220P

R130

C133

0.22

50V

R127

2.2k

VCO STOP

/FM
AM

C134

0.047

10k

Q103

2SC1623

Q103,104

R133

AMP

Q104

2SC1623

R134

*2

*2

C136

R129

560

C135

4.7
50V

R128

560

C144

4.7
47

50V

16V

1

50V

PX
M

L OUT

*1

*2 R133,134

DX20

DX20

470

R138

RG30

R172

R174

JR637

R171

100k

1k

C173
560p

Q105

2SC2412K

AMP

R175

470

C171

47

16V

0

100

L109

C172

0.1

0

IC103

BU1924

RDS

DECODER

C175
330p

R183

4.7k

AL
QU

RCLK

RDATA

NC

C186

10

50V

C184

2.2

E

50V

55T

D107

S3
1S

EF
VR

XO

D1

UX
M

VD

D2

XI

VD

VSS1

S2
VS

T1

VSS3

C187

0.01

P
CM

T2

100

R181

4.7k

R177

C181

2.2

JR636

JR639

50V

C179

0.01

0

0

100

21

X102

4.332MHz
C182

56p

C180

0.01

CLK
R

20

C183

C176

0.01

56p

C141

0.047
R137

22

100

16V

UT
O

/FM
AM

IF OUT

C131

D108

X2

X1

6

IN

A

M

)

/5

(3

D

R

A

O

B

)

7

e 2

ag

(P

16

IN

A

M

)

/5

(5

D

R

A

O

B

)

9

e 2

ag

(P

54

4

IN

A

M

)

/5

(4

D

R

A

O

B

)

8

e 2

ag

(P

2323

MHC-DX10B

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

B

C

A

306

305

R

R

2.2k

2.2k

340

R

6.8k

C301

4.7
50V

C302

4.7
50V

C303

4.7
50V

C304

4.7

322

C

0.1

327

R

2.2k
314

C

4.7
50V

50V

C312

0.1

313

C

0.047

C315

4.7
50V

C356

4.7
50V

C300

0.1

C317

0.22

C319

0.22

IN
G

IN
GAM

R

R

VFC1

GN

V

M

D

D

DPLR

D

PS1

PS2

F1L1

F1L2

AM

EC L

EC

FC

PLL1

PLL2

PLR2

LE

E

E

R

E

R

D

2

IC

1

C318

0.22

AIN

M
ARD(5/5)

BO

(Page 29)

JK301

D/VIDEO

M

IO)

(AUD

AIN

M

BOARD(Page 25)

(1/5)

328

R

27
28

R301

L

R

12

8

11

9

10k

302

R

10k

3.3k

R329

R339

3.3k

6.8k

C360

0.1

C351

304

R

*

27k

*C351,352

C352

R303

*

27k

20

DX

470P

X20

D

R308

15k

307

R

15k

D303

R309

1SS355TE

1M

C321

0.033

MD R

F1R1

(Page 26)

D(2/5)

AR

AIN BO

M

1

X

X2

C308

C307

4.7

4.7

50V

50V

MD L

F1R2

C320

0.22

TAPE R

F2L1

TAPE L

F2L2

TUNER R

F2R1

TUNER L

F2R2

C325

0.022

13

7

5

0.0022

6

324

R

10k

D302

1SS355TE

325

R

15k

SI

SCK

F4R2

F5L

C333

82

81

80

C309

C310

4.7

4.7
50V

50V

CD L

F3L1

C327

0.022

C311

10

50V
R326

10k

B

0.022

C

BP OUT

L

O

NTR

F3R2

F4L1

C328

CD R

BP NF

301

IC
3878KS2

BH

ELECT,

UT S

INP

E CO

M

LU

E/VO

N

TO

F3L2

F3R1

C326

0.022

A

F4L2

F4R1

C362

R362

4.7
680

100V

2W

BP

R361

C361

680

4.7

2W

100V

BP

C363

47

50V

367

R

1k

Q365

TA124ES

D

UTE

M

L

O

TR

N

CO

37

36

38

18

361

D

1SS355TE

363

Q

2SC3623A

R364

1k

363

R

1k

366

365

R

R

10k

47k

368

R
100k

48

BOARD(5/5)

(Page 29)

D

E

Q363,364

UTE

M

Q

2SC3623A

393

R

C364

2.2
50V

AIN

M

394

R

56

56

369

R

22k

OARD(4/5)

AIN B

(Page 26)

D(2/5)

AR

7

5

6

324

R

10k

D302

R

A

SCK

F4R1

F4R2

1SS355TE

325

15k

350

C

0.22

301

D
TE-179.1B

DZS

U

SI

SETPC

T L

OU

T R

OU

C

VC

CAP

FILTER

BASS3

S2

AS

B

S1

BAS

ALCR

LCC

A

3

HPFR

PFR2

H

1

PFR

H

PFL3

H

PFL2

H

HPFL1

F5L

F5R

M

14

349

C

100
10V

342

R

220

R341

220

C347

10

50V

C348

10

50V

R323

220

C343

0.1

320

R
150k

C342

0.1

318

R
270k

C344

10

50V

R317
100k

316

R

33k

C340

0.047
C338

0.047

R315

33k

C339

0.047
C337

0.047

age 28)

(P

53

333

R

2.2k

R331

4.7k

R

C346

0.27

R322

10k

321

R

10k

314

R
100k

R313
100k

C345

4.7k

R334

2.2k

220
16V

R337

10k

335

R
100k

338

R

332

10k

336

R
100k

Q301

2SC3623A

U

M

302

Q

3623A

2SC

UTE

M

TE

21

IN

A

M

D(5/5)

AR

BO
(Page 29)

20

C333

0.0022

393

R

56

C364

2.2
50V

AIN

M

C334

0.0022

D

Q363,364

UTE

M

364

Q

2SC3623A

394

R

56

369

R

22k

D

R370

Q362

TA124ES

*

Q361,362

TE

U

M

TROL

CON

361

Q

DTC114ES

370

*R

30

G

R

4.7k
DX20

1.5k

41

52

51
50
49

43

M

BOAR

(Page 28)

AIN

D(4/5)

AIN

M

BOARD(4/5)

(Page 28)

2424

6-9. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (4/5) –

IN

A

M

)

/5

(3

D

R

A

O

B

)

7

2

age

(P

52

54

IN

A

M

(2/5)

D

R

A

O

B

)

e 26

ag

(P

1

4

R625

• Veja pág. 21 para formas de onda • Veja pág. 39 para descrição dos pinos dos IC's.

1

0

6

10k

FB4

6

0

C610

10

0.01

C611

50V

5

6

T

T

T

E

U

U

S

M

M

U

T

R

O

N

A

N

E

E

C

Q601,602

A TRIG DRIVE

Q601

DTC

114ES

60

Q603,604

A TRIG DRIVE

Q603

114ES

DTC

61

Q605,606

CAP MOTOR DRIVE

Q605
114ES

DTC

65

34
35

IN

A

M

)

/5

(5

D

R

A

O

B

)

9

e 2

g

a

(P

50
49
43
51

IN

A

M

)

/5

(3

D

R

A

O

B

)

7

e 2

ag

(P

D691

11ES2

91
83
84

R601

R603

R605

D692

11ES2

1k

R602

1k

R604

1k

R606

Q602

2SB1116A

680

Q604

2SB1116A

680

Q606

2SB1068

D601

1SS355TE

D602

1SS355TE

JR10

JR8

0

K

I

0

J

R607

49

R608

48

R609
R610

47

R611
C613
R612

46

R613
C612
R614

45

R615

44

43

42

680

40

D693
11ES2

C692

470
16V

38

37

95

35

34

33

R623
100

32

R616

C614

0.1
R617

R619

R620

R621

R622

R624

GAME/DVD

100

T SENS

100

UP/DOWN

10k
100

CLOSE

10k

0.001
100

OPEN

10k

0.001
100

LOAD OUT

100

LOAD IN

100

XRST

XLT

100

M RESET

10k

R618

HOLD

100

CLOCK OUT

CD POWER

220

CD CLK

CANT USE

220

CD DAT OUT

100

SENS

SQ CLK

100

SQ DAT

N

O

U

S

E

TP71

R

K

L

D

D

C

C

C

T

V

V

S

K

L

A
D

4 C

4

9

9

4

4

T
U
O

IN

D

D

T

T

S

S

2

3

1

T

R

R

R

L

U

U

U

4

9

S

S

S

4

)
(IN

E

T

O

D

E

E
C

T
S

U

E

R

N

E

M

T

T

U

T

S

S

G

D

G

R

D

R

V

T

T

B

A

A

T

T

A
D

IN

R

S

S

O

D

D

C

R

S

R

T

T

S

S

N

S

E

V

O

T

C

FT

M

O

P

S

A
C

IC401

M30622

MASTER

CONTROL

T
U

I

C

O

M

C

C

N

V

A

0

2

0

X

2

JR11

D

X

0

1

2

JR16

D
0

R647

R646

R645

C663

0.1

10k

C644

0.1

R663

47k

D666

1SS355TE

X602

16M

FB6

0

10k

0

0

2

JR14

0

IC661

51943BSL

M

RESET

C662

0.1

DX20

JR15

0

8

7

2

2

R650

R649

10k

10k

6

5

4

2

2

2

0

R648

3

2

2

2

19

88

39

85

40

IN

A

M

)

/5

(5

D

R

A

O

B

)

9

2

ge

a

(P

26

29

30

6

8

R661

D664

1SS355TE

O

B

(P

4.7k

D665

1SS355TE

R662

1k

*C661

C661

*

22/50V

IN

A

M

)

/5

(5

D

R

A

)

9

2

e

g

a

D663

1SS355TE

D661

D662

1SS355TE

1SS355TE

24

X3

25

MHC-DX10B

IN

A

M

)

/5

(1

D

R

A

O

B

)

5

age 2

(P

IN

A

M

)

27

e

ag

(P

)

/5

(3

D

R

A

O

B

6

5

6

6

6

6

7

7

6

1

0

9

8

7

6

10

R626

R627

R629

R628

R630

100

100

100

F

T

T

S

S

N

S

E

V

O

T

C

FT

M

O

P

S

A
C

IC401

M30622

MASTER

CONTROL

F

Y

W

L

L

E

E

A

A

K

R

H

H

C

C

B

A

E

E

R

R

B

B

R631

100

100

100

Y

Y

A

A

L

L

P

P

A

B

4

3

7

7

10k

100

10k

R658

R657

R659

Y

S

E

M

K

A

Y
A

L
P

IS
D

4

5

1

3

13

100

R660

Y

E
K
R

E
W
O

P

Y

S

/B

A

IA

L

A

B

E

B
P

R
C

T

0

8

T

T
U

M
B
P

A

T

U

A

M

L

C

P

E

S

R

SP LATB

SP LATC

LINE MUT

STK MUT

PROTECT

STB RELAY

REAR RELAY

FRONT RELAY

ASHUT

B SHUT

R636

R637

1

2

8

8

R632

10k

R633

100

R634

10k

R635

100

R680

10k

*1 R640

100

89

*2 R641

100

90

SP/VACS

0

MODE IN

SPEC IN

R638

R640
R641

*1
*2

7

47k

1.5k

91

VIDEO SW2

C602

50V

C601

95

10

JR4

0

97

C664

0.1

0.01

FB5

0

VACS

AVSS

POWER

R643

1k

AV REF

AVCC

C603
220p

IN

T

K

T

E

A

L

T
U

I

C

O

M

C

C

N

V

A

S

IN

S

X

V

T

T

T

E

U

S

E

O
X

R

S

U

S
X

O

IN

C

C

N

X

X

C

A

C

8

TE

7

Y

8

3

B

T

L

D

Y

O

8

8

7

7

8

8

3

3

K

L

S

M

E

C

B

S

S

R

S IN

T
U

O
S

53

2

CN701

30P

30

A
B

F
G

H
97

74
73
41

83

4
3
2

84

100
1

85

C

86

D

E

88

D669

1SS355TE

C657

C658

C659

C660

C666

0.1

49
48
47
46

D670

1SS355TE

45
44

GND

GND

25

VF
VF
VF
VP
POWER ON

20

VIDEO SW
POWER KEY
DISPLAY KEY
M RESET
REMOTE IN

15

S BSY
S CLK
S OUT
S IN
NO USE

10

LED GND
MIC +12V
MIC SIG
MIC GND
HP R

5

HP GND
HP L
D GND
EVER +5V
+5V(SW)

1

L

E

N

A

P

D

R

A

O

B

1

1

7

N

C

)

e 33

ag

(P

0.1

0.1

0.1

0.1

CN1
10P

D GND
ADDRESS SW
UP/DOWN SW
CLOSE SW
OPEN SW
D +5V
M +7V
MTR CTN1
MTR CTN2
M GND

R

E

IV

R

D

D

R

A

O

B

1

0

7

N

C

)

6

e 3

ag

(P

R646
10k

C663

0.1

R645
10k

C644

0.1

R663

47k

D666

1SS355TE

R644

R655

330k

0

Q661

2SC2785

C608

15p

X601

R665

10k

C656

0.1

X602

Hz

16M

FB6

0

Q661

RESET

INV.

R664

47k

32.768kHz

23

C607

18p

D667

1SS355TE

JR1

0

7

6

R656

100

3

4

5

R671

R672

47k

47k

R670

3.3k

RV661

2.2k

TAPE SPEED

E

F
A

H
A

E

TO

D

O

O

H

M

P

A

A

K

L

C

D

O

N

N
G

S
A

TAPE DECK BLOCK

SUPPLIED WITH

THE ASSSENBLED

(

R673

J

47k

C665
1000

D668

6.3V

1SS355TE

22

+
M
P
A
C

C606

BLOCK

C604
220p

220p

C605

220p

0

0

R675

1

R679

R678

R677

R676

47k

47k

47k

47k

47k

90
71
70
89

68
66
69
67

C681

0.1

46
47

IN

A

M

)

/5

(5

D

R

A

O

B

)

9

e 2

g

a

MT GND

(P

44

17

1

2

R674

47k

I

H

F

T

D

R

R

A

O

O

O

O

H

H

T

T

M

B

O

P

O

B

B

M

M

17P

D

O

W

N

N

E

W

S
B

(F

(R

C

C

E

E

R

R

CN2

)

)

E

E

L

C

C

O

L

(

2525

MHC-DX10B

6-10. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (5/5) –

18

MAIN BOARD(3/5)

(Page 27)

48
38
36
37
41

MAIN BOARD(4/5)

(Page 28)

40
39

D

11ES2N

694

695

D

11ES2N

SPEAKER

IMPEDANCE

USE 6-16

Q384,385

RELAY
DRIVE

384

Q

114ES

DTC

387

R

4.7k

Q385

2SC2785

383

Q

C382

2SA1175

2.2
PROTECT

50V

Q381,382

PROTECT

DETECTOR

384

R

10k

382

Q

2SC2785

SWITCH

383

D

1SS355TE

385

R

33k

Q386

2SC2785

PROTECT

SWITCH

386

R

22k

387

Q

2SC2785

PROTECT

SWITCH

C383

2.2
50V

389

R

5.6k

D681

11ES2N

D683

11ES2N

683

C

F

F
V

BOARD
CN502

0.1

G

H

4

3

4

3

F

P

C

C

V

-B

V

A

A

AC

AC

R388

22k

D

T

T

D

D

N

U

U

N

N

G

O

G

G

L O

R

P
S

SP

PW

POWER AMP

(Page 31)

DX20

8

JW

380

R

10

R
1/2W

378
10

C372

0.1

C374

0.1

R
1/2W

C371

C373

1/2W

L372

L371

379

R

10

1/2W

9

JW

377
10

0.1

0.1

RG30

Y371

R

372

D

1SS355TE

JK302

+

L

-

-

Ω

R

+

*R381

56k

*R382

R

R

C376

1000p

47k

382

*

381

*

C381

383

R

10k

381

Q

2SC2785

100
10V

C375

1000p

D

11ES2N

16

682

IC

UPC7805A

+5V REG
IN

OUT

G

686

D

355TE

1SS

D685

1SS355TE

(Page 26)

689

C

100
10V

MAIN BOARD(4/5)

D
D
V
D

IC683

PC7812A

U

+12V REG

IN

OUT

G

C690

10

50V

C691

100

10V

MAIN BOARD(4/5)

694

695

D

11ES2N

690

D689

D

2N

11ES

11ES2N

688

D687

D

2N

11ES

11ES2N

693

694

C

C

0.01

0.01

Q681,682

+B SWITCH

681

Q

T1P137S

R

C685

D682

11ES2N

D

11ES2N

C684

0.1

2200

16V

R681

684

0

682

Q

TC

114ES

D

D681

11ES2N

D683

11ES2N

C

0.1

683

(Page 28)

44

46

47

17

684

IC

5F7809A

M

+9V REG

IN

OUT

G

697

C

C698

2200

10

25V

50V

IC681

UPC7805A

+5V REG

IN

OUT

G

C686

10

50V

C699

C687
1000

6.3V

MAIN BOARD(2/5)

F

H

470
16V

AVDD

688

C

10

50V

35

(Page 28)

34

C674
100p

MAIN BOARD(3/5)

C672
100p

C675

470

6.3V

(Page 27)

MAIN BOARD(3/5)

21

27

20

28

/R

/L

D

D

C

C

19
33

C679

34

100p

32
40

C673

37

100p

42

42

35
43

FB2

C671
1000

6.3V

L671

H

µ

100

(Page 27)

403

CN

FAN ON
REG+12V
+12V GND
R OUT
A GND
L OUT
STBY
EVER +5V
D GND
STK MUT
PROTECTOR

X3

24

677

C

470
10V

678

C
100p

640

0

JR

H

0µ

C676
100
10V

25

638

JR

0

22
23

29
26

30

102

N

C

19P

+7V
MGND
SCOR
SOCK
SENS
SOSO
HOLD
CLOK
XLT
DATA
XRST
A+5V(SW)
ROUT
AGND
LOUT
DGND
DOUT
D+5V(SW)
+5V

FB1

0µH

PH671

MAIN

BOARD(4/5)

(Page 28)

POWER AMP

BOARD
CN403

(Page 31)

BD
BOARD
CN101

(Page 23)

F

G

F

D

V

N
G

PW

BOARD
CN502

(Page 31)

H

402

CN

4

3

4

3

F

P

13P

C

C

V

-B

V

A

A

AC

AC

38

2626

MHC-DX10B

6-12. DIAGRAMA ESQUEMÁTICO - SEÇÃO POWER AMP –

C509

R511

22

100

50V

1/4W

POWER AMP

IC501

STK402

C503
100p

R503

*

R512

1

1/4W

C504

22

50V

R502

*

56k

R552

*

56k

C554

25V

R553

C511

0.01

C543

0.1

22

*

CH1 IN

CH1 NF

SUB GND

PRE

PRE -VCC

CH1 -VE

Q581

2SC1841

MUTE

DRIVER

R518

10k

+VCC

R561
1/4W

100

*C513

0.001

EP501

EP502

DX20KR

(CHASSIS)

(CHASSIS)

C513

C501

R501

10

50V

1k

*R503

1.2k

*C502,552

0.001

C512

0.001
RG30/DX20:KR

*R553

1.2k

C502

C552

*

R581

33k

C559

50V

+VCC

CH1 +VE

*R504

R504

*

56k

Q503,504

R514

2.2k

Q503

2SA988

R582

33k

22

Q504

2SC1841

R515

22k

R516

10k

MUTE

BUFFER

R517

2.2k

R505

R506

D501

1SS133T

D551

1SS133T

R556

R510

R508

0.22

0.22

2W

Q501

1k

2SC1841

PROTECTION

15k

R507
100k

R557
100k

15k

C551

50V

*R554

R554

*

56k

REG+12V

+12V GND

D543

11ES2

FAN ON

R555

R558

0.22

R560

0.22

C544
1000

25V

1k

2W

2W

CN503

13P

BIAS

R551

10

1k

IC501

STK402-0705(2/2)

C553
100p

CH2 NF

CH2 IN

CH2 +VE

-VCC

CH2 -VE

D GND

STK MUT

PROTECTOR

EVER +5V

STBY RELAY

L OUT

C545
3300

35V

A GND

R OUT

MAIN

BOARD(5/5)

(Page 29)

R510

0.22
2W

Q501

2SC1841

PROTECTION

R507
100k

R557
100k

R508

0.22
2W

PROTECTION

D502

1SS133T

Q551

2SC1841

0.068

0.068
R509
1/2W

0.068

0.068

C507

C508

10

R559
1/2W

C558

C557

D541

D5SBA204101

C541

0.1
C542
2200

R513

22k

10

R541

22k

50V

1/2W

C591

0.1

100V

R591

22k

1/2W

C592
2200

50V

100V

CN501

AC1
GND

AC1

AC3
AC3
AC4
AC4
VF
VF

VP
D GND
EVER +5V
STBY RELAY

TRANS

BOARD

(Page 35)

11ES2

FAN ON

REG+12V

D543

R555

R558

0.22

R560

0.22

C544
1000

25V

1k

2W

2W

D542

11ES2

JW501

CN503

13P

R519

22k

CN502

13P

L OUT

SP GND

SP GND

R OUT

VF

PW GND

MAIN

BOARD(5/5)

(Page 29)

JW513

-B

VF

VP

AC4

AC3

AC4

AC3

2828

MHC-DX10B

6-14. DIAGRAMA ESQUEMÁTICO - SEÇÃO PAINEL

62

63

64

65

68

66

67

80

79

78

77

76

75

74

73

72

G8

G7

G6

G5

G4

G3

G2

G1

G0

VDD

C720

C721

0.01
47

10V

RES701

R765

5MHZ

C716

D713

0.022

6

R764

7

R763

8

R761

9

R759

10

R757

13

14

17

1SS133T

10k

10k

C714

10k

C712

10k

C710

10k

C708

R762

100p

R760

100p

R758

100p

R756

100p

1M

100

100

100

100

100p

C715

100p

C713

100p

C711

100p

C709

R753

10k

R752

10k

R750

10k

R749

10k

VSS

X1

X2

IC

RESET

S

S

S

SBSY

NC

NC

VOL

VOL

NC

NC

R768

100

HEADPHONE

AVSS

NC

KEY2

LED

LED

LED

DVD5.1

VDD

AVDD

VSS

KEY0

KEY1

• Veja pág. 21 para formas de onda.

FLD1

FLUORESCENT

INDICATOR

TUBE

73

72

71

70

37

69

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

56

54

57

55

58

61

71

G9

LED

70

69

G10

IC701

UPD780232GC-

DISPLAY

CONTROL

LED

68

67

66

65

64

62

63

61

S7

S6

S5

S4

S3

S2

S1

S0

G11

031-8BT

S26

S27

S28

S29

NC

LED

LED

LED

GROOVE

73

72

71

70

69

p

p

p

p

p

0

0

0

0

0

0
1

10

10

10

10
2

26

25

24

23

2

7

7

7

7

7

C

C

C

C

C

VLOOD

VDD2

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24

S25

80

79

78

77

76

75

74

80

79

78

77

76

75

74

p

p

p

p

p

p

p

0

0

0

0

0

0

0

0
1

10

10

10

10

10

10

8

7

30

29

2

2

7

7

7

7

C

C

C

C

C702

1

33

32

3

33

7

7

7

C

C

C

50V

C701

33

50V

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

R772

10k

C739

R771

100

12k

10V

R806

120

D702

SEL5955A

MD(VIDEO)

D716

SEL5955A

Q702
114ES

DTC

LED

DRIVE

31

R722

3.3k

S722

MD(VIDEO)

DX20

MOVIE EQ

S712

KARAOKE PON

S738

R711

4.7k

R737

6.8k

S737

EFFECT ON/OFF

S711

GROOVE

R710

3.3k

REC PAUSE/START

R736

4.7k

S736

MUSIC EQ

30

R748

R747

10k

21

22

10k

R709

2.7k

S710

R721

2.7k

S721

R735

3.3k

S735

S720

CD SYNC

R708

1.8k

S709

R720

1.8k

R734

2.7k

S734

S708

OPEN/CLOSE

P.FILE

R707

1.2k

R719

1.2k

S719

+

R733

R732

1.8k

1.2k

S733

S732
ENTER

DISC 3

27

28

29

26

R706

1k

S707

R718

1k

S718

R731

1k

S731

GAME EQ

DISC 2

S706

S717

R705

R717

TUNER MEMORY

PLAY MODE

34

31

32

33

680

680

S730

R704

560

S705

DISC SKIP

DISC 1

EX-CHANGE

R716

560

S716

R730

680

STEREO/MONO

S729

REPEAT

39

40

37

38

(CHASSIS)

R703

470

S704

R715

470

S715

R729

560

S714

S728

DIRECTION

/EDIT

R714

330

S713

-

R728

R727

470

330

S727

SPECTRUM

WIRE703

R713
270

S726

DISPLAY

R701

270

FB701

0µH

28

22

21

R726

270

S702

R702

GAME

330

D721

1SS133T

C703

0.01

29

PAUSE/START

C755

C760

2.2
50V

D704

SEL5955A

D718

SEL5955A

Q704

114ES
LED

R724

6.8k

CD

GROOVE

34

DTC

R785

C765

R789

R798

330

10k

10
50V

10k

SEL5923A

Q710

114ES
LED

DRIVE

0.22
50V

C756

0.001

C761

47p

D705

SEL5955A

TUNER/BAND

D719

SEL5955A

Q705

DTC

114ES
LED

DRIVE

R725

10k

S725

CD

S701

I/

D710

J702

MIC

JW705

C757

0.01

JW704

R772

10k

R771
12k

R806

120

DTC

31

MD(VIDEO)

R702

330

D721

1SS133T

C703

0.01

29

28

22

C739
100
10V

SEL5955A

MD(VIDEO)

SEL5955A

Q702
114ES
LED

DRIVE

S722

S702
GAME

Q711

2SC2875

ER

BUFF

C738

R770

100

1k

10V

R805

D702

D716

R722

3.3k

SEL5955A

TAPE A/B

SEL5955A

Q703

DTC

114ES
LED

DRIVE

32

R723

4.7k

S723

TAPE A/B

27

26

CN712

13P

CN715

DX20

KARAOKE PON

D709

SEL5923A

R797

330

Q709

DTC

114ES
LED

DRIVE

180

D703

D717

DTC

DRIVE

33

S724

TUNER/BAND

MIC
AMP

R786

IC702(1/2)

NJM4565M-T

1k

3

C754

47p

2

R784

R783

100k

1k

C766

10
50V

IC702(2/2)

NJM4565M-T

E2

8

5

7

6

R790
180k

C762
100p

D706

SEL5955A

GAME

D720

SEL5955A

Q706

DTC

114ES

LED

DRIVE

30

0.001

C705

*R738

SEN701

NJL64H400A-1

SEN701

REMOTE

CONTROL

RECEIVER

JW709

E2

C758

0.1
50V

1

4

R787

R788

22k

100

C759
470p

VR703

MIC LEVEL

50K

R792
100k

JW707

R791

C763

100

2.2
50V

JW706

R740

82

D701

I/

SEL223C

Q701

DTA124ES

R738

LED

*

DRIVE

2.2k

R796

47

C777

0.1

R769

47

C704

47
10V

VR701

ROTARY

(

ENCODER

VOLUME

CN174

JW710

R755

C775

0.01

C779

0.1

R743

27k

C778

0.1

R744

27k

(

C735

0.01

C734

0.01

10k

JW713

R741

10k

C707

*

R742

10k

*C706,707

0.001

C706

*

6

10
7
8
9

08
7

C736

JW

0.001

C737

0.001

17

13

14

J705
VIDEO

OUT

CN714

WIRE701

(CHASSIS)

VIDEO

J704

GAME

L

IN

AUDIO

R

WIRE704

(CHASSIS)

CN711

30P

30

GND
GAME L
GAME GND
GAME R
GND

25

VF
VF
VF
VP
POWER ON

20

VIDEO SW
POWER KEY
DISPLAY KEY
M RESET
REMOTE IN

15

S BSY
S CLK
S OUT
S IN
NO USE

10

LED GND
MIC +12V
MIC SIG
MIC GND
HP R

5

HP GND
HP L
D GND
EVER +5V
+5V(SW)

1

PHONES

C770

0.1

WIRE702

(CHASSIS)

MAIN

BOARD

(4/5)

(Page 28)

J701

REC

PAUSE/START

R745

330

DTC

D707

SEL5223S

Q707

114ES
LED

DRIVE

D708

SEL5223S

ENTER

R746

330

Q708

DTC

114ES
LED

DRIVE

3030

MHC-DX10B

6-16. DIAGRAMA ESQUEMÁTICO - SEÇÃO TRANS

(fusível)

F917

POW

BOARD

(Page 31)

ER AM

DX20

F914

T6.3AL/250V

JW914

T911

ER

R913

10k

C912

50V

R911
1/4W

10

TRANSFORMER

1

POW

D911
11ES2

C911

220
63V

DX20

F920

T6.3AL/250V

917

JW

RG30

1/4W

0.33

R919

1/4W

0.33

D913

RD5.6ESB2

R920

C913

Q911

2SA1932

-30V REG.

R912

1k

D912

TZJ-30B

100
50V

M

CN915

13P

AC1

GND

AC1
AC3
AC3
AC4
AC4

D GND

EVER +5V

STBY RELAY

VF
VF

VP

R916

100

R915

100

R905

100

P

RG30

F918

T2.5AL/250V

912

JW

DX20:AR,E2,E51,
EA,KR,SP,TH

DX20,AR,E2,E51,EA,SP

T2AL/250V

913

JW

X

DX20:M

C915

0.1

CN913

3P

STBY RELAY

EVER +5.7V
D GND

RG30/DX20:KR,TH

JW

DX20:M

JW

STBY RELAY

EVER +5.7V

D GND

6

X

5

2P:RG30/DX20:KR,M

X,TH

RG30/DX20:KR,TH

JW

DX20:M

JW

STBY RELAY

EVER +5.7V

D GND

6

5

X

CN903

3P

S901

VOLTAGE SELECTOR

240V

220V

120V

DX20:AR,E2,E51,EA,SP

R902

10k

Q901

2SC2785

RELAY
DRIVER

C903

CN2

16V

2P:RG30/DX20:KR,M
4P:DX20:AR,E2,E51,EA,SP

D903

11ES2

D905

11ES2

AC IN

IC901

TA78057S

+5.7V REG

C902
100
16V

2200

D902

11ES2

D904

11ES2

X,TH

T901

POW

TRANSFORM

RY901

C901

0.01

RG30/

X,TH

ER

ER

DX20:KR,M

3

JW

1

JW

4

JW

CN901

D901

1SS133T

2P

AC IN

3232

6-17. PLACA DE CIRCUITO IMPRESSO - SEÇÃO DRIVER

• Veja pág. 21 para localização das placas de circuito.

A

B

C

12

345678910

IC711

4

14
14

14
14

D

6-18. SCHEMATIC DIAGRAM – DRIVER SECTION –

• See page 42 for IC Block Diagrams.

IC B/D

AC

EK

MTZJ-T-77-3.9A

3333

MHC-DX10B

IC701

B

CN1

(Page 24 )

14
14

• Localização do
Semicondutor

Ref. No. Location

D707 E-1
IC701 B-8
IC711 B-5

3333

IC B/D

MTZJ-T-77-3.9A

B

CN1

(Page 26)

(4/5)

5-16. DIAGRAMA EM BLOCO DOS IC's

IC731 LA9241M (PLACA CD)

VCC1

LDS

FIN2

FINI

TESI

TE-

SCI

TD-

64

1
2
3

E

4

F

TB

5

6

TE

7

8
9

10

TH

11

TA

12

13

TD

14

JR

TO

15

FD

16

62 61 60 59 55 54 53 52 51 50 49

63

APC

I / V

BAL

+

-

T. SERVO & T. LOGIC

- +

LDD

BHI

PHI

LF2

VR

REFI

VCC2

FSS

58 57 56

2221

FE-

INTERFACE

23

AGND

REF

∝

SP

-COM

SPI

+ -

SPG

SP-

27262524

SPD

RF DET

VCA

VCA

TE

F. SERVO & F. LOGIC SPINDLE SERVO SLED SERVO

+ -

+

-

FD-

+ -

191817

20

FE

FA

FA-

DRFCEDATCLCLK

LSC

+ -

+ -

RF AMP

+

-

30

2928

SLD

SLEQ

SL-

MHC-DX10B

DEF

48

NC
TBC

47
46

FSC

DGND

45

SLI

44

SLC

43
42

RFS-

41

RFSM

40

CV+

39

CV-

38

SLOF

37

HFL

36

TES
TOFF

35
34

TGL

33

JP+

31

32

JP-

SL+

IC751 LC78622NE (PLACA CD )

EFMO

DEFI

EFMIN

FSEQ

CLV+

CLV-

V/P

PW

SBCK

SBSY

SFSY

CS

WRQ

SQOUT

CQCK

COIN

RWC

1

10

22

EFM demoduration

12

13

14

49

51

47

50

63

53

Microprocessor

55

57

56

54

15

HFL

9

Slice level

control

Synchronization

detection

CLV digital

servo

Subcode

separation

QCRC

interface

Servo

command

16

17

TES

TOFF

6

20

19

JP-

JP+

VVDD4VVSS3PDO5ISET7FR21PCK2TA I

VCO clock oscillator

Clock control

General-purpose

ports

58

18

34

24

TGL

RES

PCCL

CONT125CONT226CONT327CONT428CONT5

TST1164TEST111TEST232TEST333TEST462TEST5

59

2k x 8-bit RAM

C1 and C2 error detection

and correction

Flag processing

Crystal oscillator system

Timing generation

29

48

60

61

46

52

16M

4.2M

EFLG

XVSS

FSX

VDD8VSS

23

RAM address

generator

Interpolation

and muting

C2F

30

Bilingual

Digital

attenuator

8x oversampling

digital filters

Digital
output

DOUT

31

1-bit DAC

L.P.F

45

44

43

39

41

42

40

37

35

38

36

XIN

XOUT

XVDD

RVSS

RVDD

RCHO

LCHO

LVSS

LVDD

EMPH/CONT6

MUTER/CONT8

MUTEL/CONT7

34

MHC-DX10B

IC781 MN1469XH (PLACA CD)

SUBGND

28

CH4 OUT-A

27 26

CH4 OUT-B

CH4 IN-A

25

CH4 IN-B

24

BIAS-IN

23

+

Vcc

Vcc

Vcc

-

CH3 IN-B

20 19

2122

Vcc

CH3 OUT-B

CH3 IN-A

CH3 OUT-A

18 17 16 15

OP IN +

OP IN -

LEVEL SHIFT

2 3 4 5 6 7 98

1

CH1 OUT-B

CH1 OUT-A

IC101 BA1450 (PLACA PRINCIPAL)

AM OSC OUT

24

V . REG

VREG

LEVEL SHIFT

+

-

CH1 IN-A

AM OSC

AM

OSC

CH1 IN-B

­+

­+

TR-B

VREG-OUT

FM BAND WIDTH

20212223

AM

MIX

MUTE

AM RF IN

GND

AM MIX OUT

19

CH2 IN-B

AM IF

AM
DET

­+

+

-

AM IF IN

CH2 IN-A

AGC

LEVEL SHIFT

LEVEL SHIFT

CH2 OUT-B

AM AGC

12 13

SUBGND

CH2 OUT-A

FM/AM DET OUT

161718

-

+

141110

OP OUT

AM MPX IN

15

FM MPX IN

14 13

VCO STOP

SD

1/2

FM

IF

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

VCC

FM IN

IC301 BD3871FS (PLACA PRINCIPAL)

CAP23TNF1

24

Treble1

fc=8kHz

22

Treble1

fc=8kHz

Surround

0dB-

-87dB

­Vcc/2 Vcc/2

1

3

VIN12VIN2

35

SD

DET

FM SD ADJ

BNF220BOUT2

TNF2

21

fo=80Hz

SEL24SEL1

LED

DRIVER

TUNED

COMP

STEREO

GND

FM

DET

FM DET

IN REQ MUTE

BOUT117OUT116OUT215VCC14SI

BNF1

19

18

Bass2

Bass1

fo=80Hz

50k 50k 50k 50k 50k 50k

5

A16A27B1

8

B2

SW

DECODER

L OUT

R OUT

IF OUT

Logic

Vcc/2 Vcc/2

Vcc/2

9

11

C110C2

FILTER

1/2

PD

VCO

AM/FM

SC

13

12

GND

IC102 LC72130 (PLACA PRINCIPAL)

2

1 2 3 4 5 6 7 8 9

CONTROL LOGIC

TSD

VREF

OUT2

OUT1

RNF

VM

VCC

FIN

GND

RIN

MHC-DX10B

24

XOUT

VSS

22

23

AOUT

REFERENCE

DIVIDER

2

C B
I / F

AIN2

20

21

SWALLOW COUNTER

PD2

19

1/16.1/17 4bits

REFERENCE

DIVIDER

DATA SHIFT REGISTER

PD1

AIN1

18

SWALLOW COUNTER

1/16.1/17 4bits

PHASE DETECTOR

CHARGE PUMP

LATCH

17

AOUT1

FMIN

VDD

15

16

POWER

ON

RESET

AMIN

I02

13

14

1/2

C B
I / F

3

1

2

XIN

B05

4

CE

D1

6

5

CL

D0

8

7

B01

B02

IC201 TA8189N (PLACA PRINCIPAL)

METAL

PRE

CH2/A CH2/B NF VCC CG NF ALC

24 23 22 21 20 19 18 17

123456789101112

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

OUT

CH2
–
+

CH1
+

–

OUT

OUT

PRE
OUT

TAPE A

/TAPE B

A/B

VREF1

MIX

OUT

IREF

VREF2

M/N

REC
OUT

16

REC
OUT

CH2

CH1

15 14 13

–
+

+
–

REC

REC

10

9

B04

B03

12

11

I01

IFIN

IC701 BA6956AN (PLACA DRIVER)

IN

ALC

IC602 BU2114F-E2 (PLACA PAINEL)

18

GNDGND

GNDMETAL

IN

SIN

LATCH

SOUT

RST
GND
GND

1

CK

2
3

4
5

EN

6
7
8

ENABLE

SHIFT

REGISTER

LATCH

VDD

17

O1

16

O2

15

O3

14

O4

13

O5

12

O6
O7

11

10

O8

9

GND

36

MHC-DX10B

5-17. DESCRIÇÃO DOS PINOS DOS IC's

• IC601 LC866540A-5V62 (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 - 39
40 - 41
42 - 45

46

47 - 50

51

52 - 63

64
65
66
67
68
69
70
71
72
73
74
75
76
77

Pin Name

CD ON/OFF

CD RWC

CD RESET OUT

CD SL –
CD SL +

CD A MUTE

CD WRQ

CD DRF

TU STEREO

TUNED

POWER DOWN IN

RESET
VR ENCODER A
VR ENCODER B

VSS
XTAL 6.0MHZ
XTAL 6.0MHZ

VDD
KEY INPUT 0
KEY INPUT 1
KEY INPUT 2

SPEANA IN L
SPEANA IN R

AMS IN
TAPE A HALF
TAPE B HALF

PHOTO SENSOR A
PHOTO SENSOR B

REMOTE IN

10G - 1G

P1 - P2
P3 - P6

VDD

P7 - P10

–VPP

P11 - P22

MODE SW IN
TAPE MODE SW A
TAPE MODE SW B

TAPE FWD REC SW B

CD NUMBER SENSOR
CD PIC UP/DOWN SW
CD TRAY OPEN SW

CD TRAY CLOSE SW

VDD
CD MOTOR +
CD MOTOR –

SPK RELY ON

SYSTEM MUTE OUT

TUNER MUTE OUT

I/O

O

CD power on/off control signal output

O

Read/write control signal output

O

CD reset signal output

O

Sled movement control signal output

O

Sled movement control signal output

O

CD audio mute signal output

I

Subcode Q standby signal input

I

RF level detection signal input

I

Stereo tuning signal input

I

Tuning a frequency signal input

I

Power down signal input

–

Reset

I

Volume signal input from the rotary encoder

I

Volume signal input from the rotary encoder

–

Ground

–

Connection for a crystal resonator

–

Connection for a crystal resonator

–

Power supply

I

Function key input

I

Function key input

I

Function key input

I

Spectrum analyzer signal input

I

Spectrum analyzer signal input

I

AMS signal input

I

A deck half detect signal input

I

B deck half detect signal input

I

A deck photo sensor signal input

I

B deck photo sensor signal input

I

Data signal input from the remote control sensor

O

FL tube grid signal output

O

FL tube grid signal output

O

FL tube segment signal output

–

Power supply

O

FL tube segment signal output

–

FL tube pull-down voltage supply

O

FL tube segment signal output

I

Pull-down

I

Tape mode switch signal input

I

Tape mode switch signal input

I

Tape B REC switch detect signal input

I

Table address sensor signal input

I

CD BU up/down switch signal input

I

CD tray open switch signal input

I

CD tray close switch signal input

–

Power supply

O

CD changer motor control signal output

O

CD changer motor control signal output

O

Speaker relay control signal output

O

system mute signal output

O

Tuner mute signal output

Description

37

MHC-DX10B

Pin No.

78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99

100

Pin Name

STK MUTE

TAPE MUTE OUT(PB)

MECHA VCC

TAPE SOL A
TAPE SOL B

POW SAVE

POWER SW

A PLAY/B REC

TAPE REC

TAPE REC MUTE

TAPE BIAS

VSS

VDD

TAPE A/B

BU2114 LATCH

LC72131 CE

BD3871 DATA/LATCH

LC72131 BU2114 DO

LC72131 DI

CLK

COIN

SQOUT

SQCK

I/O

O

Power amplifier mute signal output

O

Tape mute signal output

O

Tape motor control signal output

O

Solenoid control signal output

O

Solenoid control signal output

O

Standby relay control signal output

O

Power switch LED control signal output

–

N.C.

O

Tape REC control signal output

O

Tape REC mute signal output

O

Tape bias control signal output

–

Ground

–

Power supply

O

Deck A/B selection control signal output

O

LED driver IC latch signal output

O

PLL tuner IC chip select signal output

O

Sound processor data/latch signal output

O

Data signal output for PLL synthesizer IC and LED driver IC

I

Data signal input from PLL synthesizer IC

O

Clock signal output for PLL synthesizer IC, sound processor and LED driver IC

O

CD command data signal output

I

CD subcode Q signal input

O

CD command clock signal output

Description

38