KDL-52X2000 (serv.man2) - Sony TV Service Manual (repair manual). Page 2

Caution ................................................................

3

Specifications ......................................................

4

Connectors ..........................................................

6

Self Diagnosis .....................................................

7

1. GENERAL ...................................................................

8

2-1.

Rear Cover Assy Removal .................................

18

2-2.

Stand Assy Removal ..........................................

18

2-3.

H1 Board Removal .............................................

19

2-4.

Loudspeaker Removal ........................................

19

2-5.

H2 Board Removal .............................................

20

2-6.

D4 and G2 Board Removal ................................

20

2-7.

D5 Board Removal .............................................

21

2-8.

AE Board Removal .............................................

21

2-9.

B2, FXE and TUE Board Removal ....................

22

2-10. H3 and H4 Board Removal ................................

23

2-11. Chassis Bracket Removal ...................................

23

2-12. LCD Panel Removal ...........................................

24

3-1.

How to enter Service Mode  ...............................

25

3-2.

White Balance Adjustment  .................................

25

3-3.

Board Replacement .............................................

26

  3-3-1.  AE Board Replacement ...................................

26

  3-3-2.  B2 Board Replacement ....................................

26

  3-3-3.  TUE Board Replacement .................................

26

  3-3-4.  Fine Level Tuning - Analog RF input

   (PAL, SECAM) / Y-Level ..............................

26

  3-3-5.  Fine Level Tuning - CVBS input

   (PAL, SECAM) / Y-Level ..............................

26

3-4.

Trouble Shooting  ...............................................

27

  3-4-1.  No Power ........................................................

27

  3-4-2.  Set Restarts ......................................................

27

  3-4-3.  Temperature Error ............................................

27

  3-4-4.  Over Voltage Protection (OVP) ......................

27

  3-4-5.  Power Error .....................................................

27

  3-4-6.  Audio Error .....................................................

27

  3-4-7.  Panel Error .......................................................

27

   Audio Problem Flowchart ..............................

28

   Video Problem Flowchart ..............................

28

4-1.

Block Diagrams(1) .............................................

29

Block Diagrams(2) .............................................

30

Block Diagrams(3) .............................................

31

Block Diagrams(4) .............................................

32

Block Diagrams(5) .............................................

33

Block Diagrams(6) .............................................

34

Block Diagrams(7) .............................................

35

Block Diagrams(8) .............................................

36

4-2.

Circuit Board Location ........................................

36

4-3.

Schematic Diagrams and Printed Wiring

Boards .................................................................

36

AE Board Schematic Diagram ............................

37

AE Printed Wiring Board  .................................

45

B2 Board Schematic Diagram .............................

48

B2 Printed Wiring Board  ...................................

61

D4 Board Schematic Diagram ............................

63

D4 Printed Wiring Board  ...................................

64

D5 Board Schematic Diagram ............................

66

D5 Printed Wiring Board  ...................................

67

G2 Board Schematic Diagram ............................

69

G2 Printed Wiring Board ....................................

70

TUE Board Schematic Diagram ..........................

72

TUE Printed Wiring Board .................................

74

FXE Board Schematic Diagram ..........................

75

FXE Printed Wiring Board  ...............................

80

H1 Board Schematic Diagram ............................

81

H1 Printed Wiring Board  ..................................

82

H2 Schematic Diagram .......................................

81

H2 Printed Wiring Board ....................................

82

H3 Schematic Diagram .......................................

83

H3 Printed Wiring Board ....................................

82

H4 Schematic Diagram .......................................

83

H4 Printed Wiring Board ....................................

82

4-4.

Semiconductors ...................................................     84

5-1.

Rear Cover and Stand Assy ................................

87

5-2.

Arm and Under Cover ........................................

88

5-3.

Chassis 1 .............................................................

89

5-4.

Chassis 2 .............................................................

90

5-5.

Chassis Bracket Assy and Speaker ....................

91

5-6.

Bezel Assy and LCD Panel ................................

92

6. ELECTRICAL  PARTS  LIST ..................................     93  

SAFETY-RELATED COMPONENT WARNING !!

COMPONENTS IDENTIFIED BY SHADING AND MARKED

  

 

 ON

THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.

WARNING !!

AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.