Sony MHC-DX10B Schematic

MHC-DX10B

MANUAL DE SERVIÇO

Brazilian Model

Ver 1.7 09. 2003

pág 40 correias

	Seção	Modelo que usa mecanismo similar	Novo
		Tipo do Mecanismo do CD	CDM58F-K6
	CD
		Nome da Unidade Óptica	KSM-213DCP/Z-NP
	Seção	Modelo que usa mecanismo similar	Novo
	Toca Fitas	Tipo do Mecanismo do Toca-Fitas	CWL44FF29

ESPECIFICAÇÕES TÉCNICAS - VER PÁGINA SEGUINTE

SISTEMA COMPACTO DE SOM

MHC-DX10B

5-1. LOCALIZAÇÃO DAS PLACAS DE CIRCUITO

	placa MOTOR
placa ADDRESS SENSOR
	placa VIDEO OUT
placa DRIVER	placa SPDL
	placa SENSOR
placa TRANS	placa CD
placa PAINEL	placa SUB TRANS
	placa PRNCIPAL (MAIN)

placa POWER

FORMAS DE ONDA

- PLACA CD -

- PLACA PRINCIPAL -

- PLACA PAINEL -

1IC751 rf (XOUT)

2IC102 wf (XOUT)

4IC601 qj (XTAL 6.0MHz)

4.9Vp-p

3.2Vp-p

4.8Vp-p

59 ns

222 s

167 ns

3L251

14.1Vp-p 16.6 s

(60.1 kHz)

6-2. DIAGRAMA EM BLOCO SEÇÃO TUNER

													FRON
TM101	FE101						Q101
1	ANT IN	IF OUT	7			CF101	RF IF		CF102				1	FM
							AMP
FM 75Ω	OSC OUT		8
				JR109									T101
		VT	5
													5	FM
						Q102
						+B	A+12V
AM									PLL				FM IF
								IC102
							10	FM/AM		IF	12		9	IF
										FM	7		12 AM
						X101	1	XIN	AM OSC		14		24	AM
								VCO STOP			2		13	VC
	FE101					4.5MHz
							24	XOUT		IF REQ	8		8	IF
1	ANT IN	IF OUT	7									DO
	OSC OUT		8				15 FM OSC			DO	6		D108
												DI
		VT	5				18	VT1 IN		DI	4
												CL
							17	VT1		CL	5
												CE
							19	PD1		CE	3
		RB101	13	14									20 AM
		1	4	11	15	9							22	OS
				5
		3			6	7							23	V R
		2	12
		AM				AM
						FREQUENCY
		TRACKING
						COVERRAGE

OPTICAL PICK-UP

RF AMP

BLOCK			IC103
VC		12	VC
A	+5V
		5	A	RFO	16
B
		6	B	RFI	17
C
		7	C
D
		8	D	FE	14
E
		11	E	TE	13
F
		10	F
	Q101
LD	LD	3	LD	LD ON	22
	DRIVE
GND

	HOLD SW 21
PD	4 PD
VR	IC102
	MOTOR DRIVER

	F+	13	CH1	CH1	3
FOCUS			OUT R	R IN
COIL	F-	14	CH1	CH1	2
			OUT F	F IN
	T+	11	CH2	CH2	6
TRACKING			OUT R	R IN
COIL	T-	12	CH2	CH2	5
			OUT F	F IN
	M102	18	CH3	CH3	23
		M	OUT R	R IN
	SLED
	MOTOR	17	CH3	CH3	24
			OUT F	F IN
	M101	16	CH4	CH4	25
		M	OUT R	S IN
	SPINDLE
	MOTOR	15	CH4
			OUT F	MUTE	20

DIGITAL SERVO

DIGITAL SIGNAL PROCESSOR

D/A CONVERTER

	IC101			PH671
				OPTICAL
		D OUT	60
				DIGITAL	DIG
				OUT	O
51	RFAC
43	RFDC
		L OUT 1 72
39	FE
41	TE	L OUT 2 75		L-CH
40	SE
14	XLON	DATA	5
		CLOK	7
		XLAT	6
		SQCK	2
		SCLK	9
		SCOR	20
		SQSO	1
		SENS	8
32	FFDR
33	FRDR	SSTP	27	S101
				LIMIT
				IN SW
30	TFDR
		XTAI	66	X101
31	TRDR
				16.9344MHz
		XTAO	67
29	SRDR

28	SFDR
	XRST	3
26	MDP

17 17

MHC-DX10B

AM/FM

FRONT-END, IFAMP, MPX

IC101

1	FM IF	L OUT	11	AMP	L-CH
				Q103
101		R OUT	10	R-CH
5	FM DET
		AM IF IN	18	IFT101
FM IF
					IFT101
		AM MIX OUT 19			AM IF
9	IF OUT	FM SD ADJ	3
12	AM/IF			RV611	FM SD ADJ
24 AM OSC
13	VCO STOP
8	IF MUTE
					MUX
D108				X102
				4.332MHz
				T102
20 AM RF
22	OSC	TU LED	6
		ST LED	7
23	V REG

DO

DI

CL

CE

PH671
OPTICAL		CD
DIGITAL		DIGITAL OUT
OUT		OPTICAL

L OUT	B
	MAIN
	SECTION

A

MAIN

SECTION

MASTER CONTROL

IC401(1/2)

21 RDS DATA

20 RDS INT

24 TUNED

23 STEREO (IN)

22 ST MUTE

27 ST DIN 26 ST DOUT 28 ST CLK 25 ST CE

	LOAD IN	44
	LOAD OUT	45
35	CD DAT OUT
37	CD CLK
42	XLT
33	SQ CLK
	T SENS	49
19	SCOR
32	SQ DAT
34	SENS
	OPEN SW	46
	CLOSE SW	47
	BU UP/DOWN SW 48

43 XRST

40 HOLD

•RCH is omitted

•Signal Path

:FM

: AM

: CD

: DIGITAL OUT

IC701

9	4	M721
MOTOR
		M TURN
DRIVE
	2	MOTOR
7

M+7V

IC711

TBL ADDRESS

SENSOR

S701

OPEN/CLOSE

S711

UP/DOWN

17

MHC-DX10B

SEÇÃO PRINCIPAL

IC702

RV703

IC702

MIC

(1/2)

(2/2)

LEVEL

J702

MIC

MIC AMP

AMP

TUNER

A

L-CH

43

TUNER L

SECTION

CD

B

LOUT

42

CD L

SECTION

J301

L

L-CH

47 MD L

MD/VIDEO

(AUDIO IN)

R

R-CH

J705

INPUT SELECT

VIDEO

TONE/VOL CONT

OUT

IC301

JK704

VIDEO

GAME

L

L-CH

IN

AUDIO

R-CH

REC/ PB AMP

Q213

R

IC201

BUFFER

45

TAPE/ L

–A DECK–

L-CH

1

HP101

A

PB

PLAYBACK

R-CH

5

HEAD

R-CH

B

L-CH

2

–B DECK–

REC

HRPE101

R-CH

9

11

57

DPLL1

RECOD/

R-CH

PLAYBACK/

ERASE

HEAD

Q217

ERASE

D206

Q214

BPOUT

C

B

A

SCK

Q220,221

39

38

37

36

35

Q222,225

Q227

Q223,L201

Q224,228

A/B

BIAS OSC

MIC +12V

19

6

Q210,211

EVER +5V

D203,204

AMC

DETECT

REMOTE

CONTROL

RECEIVER

32.768kHz

16MHz

SEN701

X601

X602

75

77

76

10

11

15

13

72

79

4

91

82

81

80

7

BIAS

RELAYTC

PBA/B

XCIN

OUTXC

X IN

XOUT

AMS

MUTE-REC

REMOTEIN

VACS-SP

LATC-SP

LATB-SP

LATA-SP

3878-CLK

B-PHOTO

90

B SHUT

REC(FWD)

66

B REC KEY

A-MODE

70

A PLAY

MASTER CONTROL

IC401(2/2)

-RESET

B-MODE

71

B PLAY

M

A-HALF

68

A HALF

41

RES701

+5V (SW)

B-HALF

69

B HALF

5MHz

D713

• RCH is omitted

• Signal Path

CASETTE

A-PHOTO

89

A SHUT

3

4

25

6

X1

X2

VDD

RESET

: PB (DECK A)

DECK

DISPLAY CONTROL

UNIT

REC(REV)

67

B REC REV

IC701

: PB (DECK B)

Q601,602

A-SOL

A TRIG

60

A TRIG

: REC (DECK B)

DRIVE

: FM

Q603,604

B TRIG

B-SOL

61

B TRIG

5.1

DRIVE

LED

LED

LED

LED

LED

LED

LED

LED

0

1

2

: CD

DVD

KEY

KEY

KEY

HMOTOR

LMOTOR

74POWERKEY

97POWER

73DISPLAYKEY

37-58 61-68

69-80

34

33

32

31

30

29

28

27

26

22

21

20

Q605,606

CAPM+

CAPSTAN MOTOR

65 CAP M CONT

DRIVE

FLUORECENT

F1

LED DRIVER

S701

INDICATOR TUBE

F2

Q702-710

S726

FLD1

VP (-30V)

KEY MATRIX

`/1

DISPLAY

Q701

S713-725

RV661

D701

S727-738

MOTOR

`/1

LED

S702,704,711

SPEED

DRIVER

EVER 5.7V

S712

DX20

Q701-712,716-720

OUT L 2432

OUT R 2431

R C

SI

34

D302
6	5
3878-LAT	3878-DAT
S-BSY	S-LCK	S-OUT	S-IN
3	2	1	100
10	7	9	8
SBSY	S	S	S

VOL	VOL
13	14

ROTARY

ENCODER

VR701

VOLUME

18

OUT L 2432

OUT R 2431

R CH

SI
34
D302
6	5
3878-LAT	3878-DAT
S-BSY	S-LCK	S-OUT	S-IN
3	2	1	100
10	7	9	8
SBSY	S	S	S

VOL

VOL

13 14

ROTARY

ENCODER

VR701

VOLUME

IC501

JK302

1

POWER

6

L

SPEAKER

Q361,362

AMP

Q381,382

IMPEDANCE

MUTE

MUTE

7

DC

R CH

R

USE 6-16Ω

CONT

Q301

12

DETECT

Q501

Q383

Q386,387

D502

PROTECT

PROTECT

OVER LOAD

Q503,504

Q581

DETECTOR

CONT

SWITCH

MUTE

MUTE

BUFFER

DRIVE

R CH

JACK701

PHONES

Q365

MUTE

MUTE

CONT

Q363

Q384,385

RERAY

DEIVE

RY371

D383

Q911,D911-913

T911

-V

VP (-30V)

REG

83

84

88

85

LINE MUT

STK MUT

FRONT-RELAY

PROTECT

D541

F914

AC1

DX20: AR,E2,

IC681

E51,EA,SP

D+5V(SW)

Q681,682

POWER

+B

JW911

F920

+5V

CD POWER

A+5V(SW)

1

3

AMP

REG

SWITCH

-B

AC1

CD POWER

38

RDS +5V

D686

IC682

D681-684

AC3

JW912

JW6

D685

D +5V

D670

1

+5V

3

REG

+5V(SW)

IC683

JW5

AC3

F919

S901

DX20: AR,E2,E51,EA,SP

+12V

D543

D542

S901

MIC +12V

1

3

VOLTAGE SELECTOR

REG

M+7V

AC4

D687-690

230-240V

D691-693

JW913

+7V

r

1

+9V

+9V

3

220V

REG

D667

IC684

r

BD +5V

F1

AC4

120V

HEADPHONES

D661

EVER +5V

D669

F2

JW2

17

IC661

IC901

D902-905

T901

Q661

JW3

RESET

D664

3

+5.7V

1

AC

RESET

12

3

1

REG

JW1

IN

EVER +5.7V

Q901

RY901

STBY RELAY

86

RELAY

DRIVE

JW4

18 18

MHC-DX10B
6-4. DIAGRAMA ESQUEMÁTICO	– SEÇÃO BD	–	• Veja pág. 21 para formas de onda • Veja págs. 42
			IC B/D
E
(5/5)
CN102
(Page 29)
			20

a págs. 42 para diagrama em bloco dos ICs.

IC B/D	1	1
A	16	16
	X
2
IC B/D

20 20

MHC-DX10B

6-6. DIAGRAMA ESQUEMÁTICO

– SEÇÃO PRINCIPAL (1/5)

–

• Veja pág. 42 para diagrama em bloco dos IC

C272

R214

1

R272

50V

4.7k

1M

R234

*R219

DX20

68k

R216

C244

R278

R219

10k

R232

C234

100k

0.0015

100k

R255

Q212

*

Q230

2.2k

0,01uF

1k

MC

2SC2785

2SC3623A-LK

AMP

*

MUTE

D205

R232A

1SS355TE

1k

R276

4.7k

R237

R220

C217

R274

10k

22k

47

1.5k

16V

C230

C270

100

10V

100

R270

16V

R228

R230

120k

1.8k

JR17

220

R222

0

220

C228

R224

47p

180k

R258

C232

220

*

50V

*C232

Q210,211

0.47

C236

AMP

ALC

REC IN

NF

REC OUT

100

16V

R264

R256

10k

Q215

10k

C235

R238

2SC3623A

C257

R249

1

MUTE

680k

50V

680k

0.1

R236

REC/PB PRE AMP

50V

4.7k

C222

GND

REC OUT

C224

REC IN

C235A

C236A

*

NF

470p

50V

47p

47p

*C222

Q211

Q210

3.3

RG30

2SC2785

2SC2785

4.7

DX20

R257

R250

R261

R218

180k

390

390

180k

10

R217

C265

D204

10k

0.01

MAIN

C256

BOARD(2/5)

1SS355TE

1

R262

(Page 26)

D203

50V

R263

100k

Q214

C231

C227

R223

1SS355TE

10k

8

2SC3623A

*

47p

180k

R235

MUTE

*C231

50V

9

4.7k

0.47

11

C233

R226

R233

0,01uF

22k

68k

R231

MC

R229

R227

*C226

1.8k

120k

2.2k

C229

R231A

C226

0.0018

100

1k

*

10V

MAIN

R259

R273

Q213

Q229

R277

1.5k

2SC2785

BOARD(3/5)

1k

AMP

(Page 27)

2SC3623A-LK

100k

Q226

MUTE

C243

R247

R275

4.7k

DTA124ES

0.0015

100k

R215

C271

SWITCH

R271

4.7k

1

50V

1M

12

7

8

R225

22k

C238

*

Q223

9

6

2SC2001

BIAS

3

5

Q219

OSC

C242

R252

C239

2

C223

Q220,221

2SC2785

0.001

27k

0.015

0.022

MC

MC

1

4

SWITCH

MC

Q220

L201

2SC2785

JR7

C241

BIAS OSC

0

0.0047

MC

Q221

2SC2785

R242

R241

Q218

4.7k

4.7k

2SC278

Q218,

SWIT

7

6

13

4

MAIN

BOARD(4/5)

(Page 28)

22

loco dos ICs.

C214

R208

C212

9

8.2k

0.018

1

MC

50V

*C219

C210

2.2

47

16V

C217

R206

R202

47

C219

C218

47

16V

10

*

47

50V

16V

C230

100

R201

10V

10

R228

R230

C206

120k

1.8k

220p

R210

C208

270k

220p

C228

R224

47p

180k

C202

680p

R239

10k

Q216

2SC3623A

SWITCH

REC IN

NF

REC OUT

CD

VCC

TAPE

A/B

PRE OUT

METAL

OUT

NF

CH2/B

CH2/A

IC201

C204

R203

680p

10

TA8189N

REC/PB PRE AMP

METAL

CH1/B

CH1/A

REC IN

NF

REC OUT

M/H

GND

MIX OUT

PRE OUT

OUT

NF

C201

680p

R204

C203

10

680p

R209

C207

270k

220p

C227

R223

R221

C205

10k

220p

47p

180k

C225

*

C209

Q217

50V

47

R240

2SC3623A

R227

C237

16V

10k

SWITCH

120k

C211

R205

470p

C229

0.018

47

100

MC

10V

Q213

*C225

2SC2785

4.7

AMP

C213

D206

R271

1

R207

1SS355TE

1M

50V

8.2k

*C238

R225

22k

0.0018

238

*

Q219

Q225

2SB1116A

221

2SC2785

R260

CH

390

Q227

20

2SB1116A

785

BUFFER

C240

R245

47

C266

16V

10k

Q222

0.022

2SC2785

R244

1

27k

R243

85

2.2k

241

C215

D207

Q218

C221

2.2

1SS355TE

.7k

2SC2785

50V

4.7

50V

Q218,219

R251

R248

SWITCH

2.2k

12k

Q222,225

SWITCH

R246

4.7k

5

3

2

MAIN

BOARD(4/5)

(Page 28)

CN203 3P

CN202

Q228 2SB1116A

R253 10k

Q224 2SC2785

R-CH

L-CH

R-CH

L-CH

R254 4.7k

Q224,228

BIAS OSC

B+ SWITCH

1

-A DECKHP101 PLAYBACK HEAD

-B DECK-

HRP101 RECORD/ PLAYBACK ERASE HEAD

22 22