Sony LX60S, LX70S MA-405 Y/C, Audio Processor Schematic Diagram, Audio Processor VA Block

SLV-LX40/LX50/LX60S/LX70S

MA-405 (Y/C, AUDIO PROCESSOR) SCHEMATIC DIAGRAM

– Ref. No: MA-405 board; 1000 series –

•See page 4-5 for printed wiring board.

•See page 4-21 for waveforms.

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

14

MA-405 BOARD(2/7)

Y/C, AUDIO PROCESSOR (VA BLOCK)

XX MARK:NO MOUNT	R :REC MODE
NO MARK:REC/PB MODE	P :PB MODE

A

B

C

D

E

F

G

H

I

J

5

AN_GND

B+

B+

SW_5V

MA-405 (7/7)

AU_GND

(SEE PAGE 4-19)

B+

B+

SW_12V

E8

Q380

E7

E5

E3

R1.7/P5.0

2SD1620-TD

JL308

C352

C244

1u

E1

R382

R4.7/P5.0

BIAS OSC

C254

1

C381

L350

LX40/LX50

0.1u

1u

C241

L206

L205

B

L2_V

L2_VIDEO

R1.8

B+

XX

B

0.01u

100uH

100uH

LX60S/LX70S

B+

/P5.0

0.01u

R373

14

C249

C247

B

AN_GND AN_GND

7

R381

5.0

C382

1k

C354

1u

C245

C239

2.3

HM4

L2(L)

3900

R380

L380

1/4W

JS301

C351

R351

B

0.022u

C240

MA-405(6/7)

0.01u

2

3

D352

1/4W

10u

3.579545MHz

C248

0.047uB

B

1u

B

0.01u

B

CH

C255

1

47

100uH

B+

0.60mm

C250

B

47u

AU_GND AU_GND

(SEE PAGE 4-17)

R354

16V

47u

5600

C238

Q204

1.6

C369

2.2M

R216

C246

16V

C383

JL320

4.7u

D351

R356

5600

R350

1800

R215

0.01u

HM5

L2(R)

C579

R355

68k

R225

47u

1SS119-25TD

LX40/LX50

5600

8200

C203

16V

XX

68k

1/10W

LX40/LX50

680

0.001u

1SS119-25TD

JL303

JL302

JL304

JL301

0.047u

X201

R214

C243

0.01u

C242 0.01u

0.1u

L561

JL211

JL210

100uH

7

8

560

4.7u

25V

C355

1u

2.3

LX40/LX50

2.5

2.1

3.4

3.3

3.3

4.9

4.9

4.9

2.5

2.5

1.8

B+

R563

R562

2.2

2.3

5.0

50V

1.9

3.8

3.3

3.4

C384

C356

R352

B

1500

B

68k

XX

33u

C353

1/4W

1u

C350

Q351

R372

C357

1u

16

2SC2712Y-TE85L

50V

180

150

0.60mm

6

5

4

MUTE

80

79

78

77

76

75

74

73

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

1/4W

1/4W

JS303

T380

SWITCH

ALC

A-Vcc

N.C

N.C

N.C

N.C

4Fsc

C-GND

C-Vcc

NTSC:H

CCD VCC

CCD GND

3.2

2SB709A-QRS-TX

R564

PET

BIAS OSCILLATOR

81

MUTE

D.L

CLK IN

50

C561

Q561

BUFFER

R357

DET

C237

C562

68

TRANSFORMER

8200

L2

L1

VXO2

0.01u

330

C371

Vref

TU

KIL

INV

B

C563

R383

C380

560p

DET

VXO1

AMP

VCO

2.6

470u

10V

180

0.047u

LX40/LX50

0

SLD

1H/2H

R358

D.L

0.8

0.01u

47u

1800

2.3

EQ

B

25V

JL560

REC

REC

REC

REC

49

82

R359

AMP

2.0

C236

C358

R

ALC

APC

APC

APC

IC201

R565

LINE

0.01u

B

4700

1u

50V

83

TH

48

9.0

XX

75

AMP

P

C235

A-GND

2.4

84

Y/C PROCESSOR

47

0.1u

B

B+

JL307

C564

R362

AUDIO PROCESSOR

1.4

D562

1200

2.4

LPF

XX

XX

C370

86 85

1H

45 46

D561

C360

Vref

RA

B

RD8.2ES-T1B

HFGND

XX

R363

R0.6/P0

PB

P

D.L

2.2

1.4

12k

REC-EP.LP

C234

C359

4.9

R370

18k

2700p

REC

BPF1

B+

BGA-B

60/50

CN351

0.001u

R1.6/P5.0

PB-EP

AUTO

PB

P

1u

FE HEAD

3P

88899091929387

ACC

P

BGA-A

N.C

43424140393844

2.1

GND (AU)

3

E2-BA7755AF

5.0

0

JL306

2.4 R3.3/ P0.2

Q350

TPE2-2SC1815GR SWITCHBIAS

C361

BIAS

YNR

4.1

B

JL208

R576 100k

GNDAN

AMP

REC

C227 C228

XX

R0.8/P0

R

R

P

Q203

CNJ562

2

BGA

R1.6/

C233

2SA1162Y-TE85L

P

R

R577 100k

IC350

P5.0

B

2.4

EQ

P

R

CLAMP

1.9

10u

16V

BUFFER

FE HEAD

1

2.4

BPF2

LPF

VCA

C364

C365

VIDEO

1

2

3

4

10u 16V

0.01u

REC

3.1

R0.8/

C362

R364

R367

2.3

AMP

Sub

Sub

Main

B-UP

ACC

P

R

3.0

C232

R213

L204

P0

47u

270

R365

5600

PB-LP.SP

COVN

BPF

CONV

AMP

AMP

13

SW-Vcc

5.0

1u B

1k

100uH

JL209

16V

0.01u

R3.1/

L

330k

R366

C230

C368

B

8200

P2.3

R

1/2

CLAMP

0.1u

F

LX60S/LX70S

AUDIO

8

7

6

5

R369

C366

R

P

P

R

C229

2.3

FBC

R3.2/

B

C231

820

1u 50V

C-LPF

0.1u

P

REG

P1.3

47u 16V

R

47u 16V

GNDAU

R371

0

9495

R

P

R

3736

B

0.1u

ACE HEAD

7P

REC-H

FBC

IC350

18k

JL305

KIL

KIL

P

R

R2.1/

C226

OUT

IN

CN350

R4.1/P0

B.D.

0.1u

B

P0

JL323

HEAD SWITCH

C2

2.0

C225

AERASE HEAD

7

0.8

96

C.ROT

REC

FM

Main

N.L

DETAIL

Y/C

CLAMP

Chara

CLAMP

35

1u 50V

JL207

E1

VS15 RF VIDEO

8

MIX

C224

GND (AU)

6

R3.3/

INS.

VT2

TU VIDEO IN

C363

EQ

MOD

EMPH

EMPH

ENH

R1.7/

0.1u

B

JL322

P0.2

AGC

A HEAD REC

5

4.7u

97

HASW

PIC

34

P0

HT1

TU AU MONO

MA-405 (5/7)

TC2

C223

JS321

JL321

50V

1.5

(SEE PAGE 4-15)

A HEAD PB

4

0.8

98

RF SWP

FM

SQPB

CONT

6dB

1

2

3

SW GND

33

22u 16V

xx

JL368

S

SUB

P

R

GND (AU)

3

AGC

EQ

DOUBLE

DEMOD

AMP

JS327

HT3 RF AUDIO

C1

4.2

N

DHP

N.L

E3

CTL (Y)

2

99

TRICK-H

LIM

LPF

P

R

32

xx

R1.6/

NC

De-EM

R2.2/P0.3

ACC

PB

CTL (X)

1

LX40/LX50

P2.0

100

8

SYNC

VIDEO

DET

EQ

31

C222

SEP

AGC

C201

FILT

3.0

JS323

10u 16V

0.047u

SERIAL

0.60mm

HF_GND

B

VIDEOPEAKING CTL

CLAMP

10

E5

12

7

DECODER

HV1

TC1

DET

Y-Vcc

FILT

FIL

Y GND

DET

FILT

E7

NORMAL_OUT

IC201

PB-H

HV2

NORMAL_IN

HV3

LA71053M-MPB

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

AUDIO_R_OUT

HV4

JL204

AUDIO_L_OUT

9

JL201

R1.6/P1.7

2.0

JL202

C207 3.1

C208 0.01u

R2.4/P2.0

R0.8/P1.8

2.2

P1.6

R3.1/

P2.5

3.1

3.0-3.7

2.3

R0.1/P1.5

0

1.8

0.3

JL205

1.8 JL206

3.4

A MUTE

VS1

JL214

L207

0.01u

1u

0.01u

16V

0.1u

B

0

0

C220

C221

LX40/LX50

0

HT3

RF_AUDIO_OUT

15

5.0

HV5

L1_AUDIO_R

MA-405(4/7)

JL213

R207

HM5

Q VD

VS2

L2_AUDIO_R

D2

C209

XX

9

R222

JS324

C202

C204

C205

39p

47u

R221 R220

XX

JS325

HM4

JL215

D4

C253

820

2.0

L201 39uH

C211

33p

C210

390p

0

L2_AUDIO_L

B

B

R202

B

XX

XX

R219

1u

FSC_FOR_ADJ

I2C CLOCK(VIDEO) HS4

220uH

B

3.7

C251

C212

C213

C219

0.01u

0.1u

100

B

B

I2C DATA(VIDEO)

HS3

R224

39p

L202

100uH

100k

R206

R208

R209

E8

RF SW P

VS6

6

D5

R231

R201

1.3

VS1

AUDIO_MUTE

47k

330

330

8200

R205 }0.5%

AN_GND

VA1

REC CURR ADJ

R223

B

MA-405 (3/7)

C ROT

VS8

47k

680

0.1u

R203

R204

XX

0

5600

C3

(SEE PAGE 4-11)

D7

Q201

C214

180p

R211

C217

C252

C2

VA2

REC H

R210

ARC CLK

VS11

2SC2712Y-TE85L

0.022u

0.01u

C6

1

4700

ARC DATA

VS12

D8

BUFFER

1500

C216

B

VA3

REC C

C215

R212

1u

C4

VA4

REC Y RF

MA-405 (1/7)

VIDEO OUT

VS13

10p

560

50V

C5

(SEE PAGE 4-7)

VA5

PB RF

OSD V OUT

VS15

R2.4/

CTL_X

L203

Q202

P2.1

C1

VS3

COMP SYNC

B+

2SC2712Y-TE85L

VA7

TRICK-H

CTL_Y

10uH

BUFFER

C5

C6

C4

C3

5.0

R1.8/

P1.4

D5

D4

D2

C570

C571

C574

C578

R574

0.01u

1u

10u

0.01u

R573

B

B

16V

B

1k

8200

C577

R575

0.01u

B

4700

1.8

1.9

1.8

2.6

2.1

2.6

2.8

4.1

2.4

20

19

18

17

16

15

14

13

12

11

SIGNAL PATH

IC570

LA7277M-TLM

C IN

Y IN

REG

GND

SUB

SUB

SUB

SUB

MAIN OFF

CHROMA

Y

Y/CHROMA

SIGNAL

VIDEO SIGNAL

AUDIO

ARC

IC570

OUTC

OUTY

VCC

FILADJ

MONI1

MONI2

CLK

DATA

REC

1

2

3

4

5

6

7

8

JL572

9

10

PB

+

2.9

2.3

1.8

4.9

1.1

JL571

5.0

R5715.0

JL570

R572

B

C572

R570

470

470

JL220

4.7u

10k

JL222

50V

C573

JL219

L570

0.33u

C575

C576

JL218

D7

100uH

B

0.01u

100u

B

10V

JL217

D8

Y/C, AUDIO PROCESS

MA-405(2/7)

4-9 4-10