Sony KV-21FX30E, KV-21FX30B service manual Block Diagrams

5-1. BLOCK DIAGRAMS (1)

IC001

CN1201

MICRO, VIDEO PROCESSOR,

4

ROM, AUDIO, VIDEO SWITCH

R AUDIO

CN001

+3.3V

1

5

6

LED

XTAL IN

63

L AUDIO

STBY

4

IC002

XTAL OUT

64

J1200

1

REMOTE CONTROL

IC201

RECEIVER

AUDIO AMP

+5V

1

VCC

OUT

2

67

AUD OUT/CV6520

48

1

IN/INL

STBY

OUT/L 14

AUDIO MUTE

5

10

MUTE

TU101

MUTE SW

AGC

LOWB

IC004

Q212

SCL

6

SCL

SDA

WP 7

79

NVM WP

5

SDA

71

SCL

72

SDA

3

-

1

VIDEO

36

CVBS2/

+5V STBY

2

+

CVBSY2

J401

FUNCTION SWITCH

2

KEY/CS

68

5

+

(2/2)

S001 - S006

A10

7

J401

3

AGC

+5V STBY

6

-

B10

(1/2)

A7

BLUE IN

53

B2/UIN

IC401

A19

A8

MODE1

1

MODE1

69

AV LINK

B8

MODE2

80

MODE2

CN504

R0

58

RED

1

A11

GREEN IN

52

G2/YIN

GREEN

2

G0

57

A15

RED IN

51

R2/VIN

BLUE

3

B0

56

B15

C2 IN

46

-/C4

IK

4

IK

55

A16

BLK

50

INSSW2

A20

V IN 1

EWD 17

40

CVBS1

B20

Y/V IN 2

45

VD-

18

-/CVBS4Y4

IC003

VD+

19

65

KEY/CS

RESET

ABL

54

A2

AUDIO

32

AUDIO 1

CN510

AUDIO

ROT COIL 73

NSC CORRECT

7

L

29

AUDIO 2

VIDEO

VIDEO

42

CVBS3

STBY

70

BUFFER

Q401,411

A( POWER SUPPLY, DEFLECTION, )

SMALL SIGNAL BOARD,

AUDIO AMPLIFIER

23

TO SPEAKERS

			PH601	2	IC604	1	+8V
	S601				DUAL DC REGULATOR
			ISOLATOR
CN601	POWER		4	1
1					LOWB
	LINE FILTER		MAIN RECT
2	T601	RELAY	D601
			3	2
		RY601

CN603	DGC
1	CHECK

2

DGC CHECK

IC601

T603

2

FB

VD 18

SRT

CN602

VGCH 16

Q606

1

DGC

1

VSENSE

18

1

+B

IC602

1

2

D608

D625

ERROR AMP

3

CT

17

2

DGC

3

DGC

4

RT

6

TIMER

+B

7

SS

VG(G) 12

Q607

16

12

D638

RELAY

RECT

AUDIO

SWITCH

9

OCP

VS 15

15

11

VCC

Q601

8

D619

LOWB

T602

IC609

7

2

STANDBY

6

D618

TO C BOARD

POWER

D622

CN703

1

5

C

5

VM VCC

5

4

4

D

4

D624

7

3

3

QCP DETECT

Q612, 602

D632

RECT

IC501

TO C BOARD

V OUTPUT

DY ASSY

7

CN1705

VD+

IN

VP

OUT

5

V- DY+

6

V- DY+

3

BOOST

V- DY-

V- DY-

5

VD-

V DY

1

REF

H- DY-

4

H- DY-

3

H DY

H- DY+

2

H- DY-

IC531

H- DY+

1

H- DY+

PIN CORRECTION

EW

5

-

PIN OUT

7

Q532

6

+

HP

PROTECT

3

+

1

2

-

T511

FBT

HV

TO PICTURE

TUBE

1

4

G2

TO C BOARD

CN706

+B

3

FV

IC608

STBY

HP

D571,

5

13

3.3V REG

+3.3V

Q571,574

6

12

ABL

11

T531

10

D513

HDT

+15V RECT

HD

H-DRIVE

H-OUT

9

Q535

Q533

8

7

D514

-15V RECT

CN508

H1

5

TO C BOARD

200V

1

CN707

24