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

Page 23

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

Image 23

Contents FE-2CHASSIS Table of Contents Item Model Front Connection Panel Pin connector Rear Connection PanelHow to enter into Table Flash Timing Example e.g. error numberGeneral Introducing and Using the Menu System Sleep Timer Level Level 3 / Function Teletext Specifications Troubleshooting Speaker Box Removal Speaker Connector DisconnectionSpeaker Box Disassembly Rear Cover RemovalBoard PWB Removal Step Service PositionWire Dressing Removal of the Anode-Cap How to handle the Anode-CapPicture Tube Removal SET-UP Adjustments Operation of the BMC Hexapole magnet PreparationHorizontal and Vertical Static Convergence TLV Adjustment Geometry Adjustment PreparationHtil Adjustment YCH AdjustmentFocus Screen G2 adjustmentWhite balance adjustment for TV mode Layout of each controlSub Contrast Adjustment How to enter into the Service ModeSub Brightness Adjustment Print side of a board Sub Colour Adjustment Tuner AGC Adjustment Deflection System AdjustmentTest Mode Memo Block Diagrams Reference Information Circuit Board LocationSemiconductor Voltage Table Board WaveformsSemiconductor Location Table KV-21FX30 Power SUPPLY, DEFLECTION, Audio Amplifier Page 1/2Board Waveforms Power SUPPLY, DEFLECTION, Audio Amplifier Page 2/2Semiconductors DAN202K Board IC1201 TDA7497 IC Block DiagramsBRACKET, Main Cord PowerDescription Remark PART.NO DescriptionCATCHER, Push CLIP, Lead WireBeznet Assy SPRING, TensionSection Electrical Parts List Film PART.NOElect CapacitorShort Ceramic2KV MylarDiode MM3Z6V8T1 ConnectorPART.NO Description Remark Diode DAN202KDiode P6KE200ASY Diode D2SB60A-F04Diode D4SBL20UF1 JackJR9 ResistorJR4 JR7Carbon Metal FusibleSolid Varistor SWITCH, TactilThermistor Socket TAB ContactDiode Individual Carton REF.NO PART.NO Description Remark£ 1-453-314-31 Transformer ASSY, Flyback Service Promotions Dept