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