Sony BRAVIA KDL-40XBR4 Service Manual Download

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KDL-40XBR4/40XBR5/46XBR4/46XBR5

TABLE OF CONTENTS

SECTION TITLE

PAGE

SECTION TITLE

PAGE

Speciﬁ cations ................................................................................. 4

Warnings and Cautions .................................................................. 6

Safety-Related Component Warning .............................................. 7

Safety Check-Out ........................................................................... 9

Self-Diagnostic Function ............................................................... 10

SECTION 1: DISASSEMBLY ............................................................... 12

1-1. Rear Cover Removal (KDL-40XBR4/46XBR4 Only) ............ 12

1-2. Rear Cover Removal (KDL-40XBR5/46XBR5 Only) ............ 12

1-3. Arm and Stand Removal ..................................................... 13

1-4. Fan Removal

........................................................................ 13

1-5. Speaker Removal

................................................................ 14

1-6. HW2 Board Removal ........................................................... 14

1-7. H1 and H3 Board Removal .................................................. 15

1-8. UB1 Removal ....................................................................... 15

1-9. FB1 Board, AU Board, and H5 Board

(For KDL-40XBR5/46XBR5 Only) Removal ......................... 16

1-10. TUU2 Board Removal .......................................................... 16

1-11. GF1 and DF1 Board or DF2 Board/DF3 Board Removal ..... 17

1-11-1. Replacing The Inverter Connector Assembly .......... 17

1-12. H4 and AC Inlet Removal ..................................................... 18

1-13. Stay Removal ....................................................................... 18

1-14. Mt Inverter Board(s) Removal .............................................. 19

1-15. LCD Panel and Mt Inverter Board Removal ......................... 20

SECTION 2: SERVICE ADJUSTMENTS ............................................. 21

2-1. Remote Adjustment Buttons and Indicators ......................... 21

2-2. Accessing Service Adjustments ........................................... 21

2-3. Updating Model Information After

Replacing the FB1 Board ..................................................... 23

SECTION 3: DIAGRAMS ..................................................................... 24

3-1. Circuit Boards Location ........................................................ 24

3-2. Printed Wiring Boards and

Schematic Diagrams Information ......................................... 24

3-3. Block Diagram

...................................................................... 26

3-3-1. Connector

Diagram

(KDL-40XBR4/40XBR5 Only) .................................. 27

3-3-2. Connector

Diagram

(KDL-46XBR4/46XBR5 Only) .................................. 28

3-4. Schematics and Supporting Information .............................. 29

AU Board Schematic Diagram (1 of 6) ................................. 29
AU Board Schematic Diagram (2 of 6) ................................. 30
AU Board Schematic Diagram (3 of 6) ................................. 31
AU Board Schematic Diagram (4 of 6) ................................. 32
AU Board Schematic Diagram (5 of 6) ................................. 33
AU Board Schematic Diagram (6 of 6) ................................. 34
DF1 Board Schematic Diagram

(KDL-40XBR4/40XBR5 Only) .................................. 36

DF2 Board Schematic Diagram

(KDL-46XBR4/46XBR5 Only) .................................. 39

DF3 Board Schematic Diagram

(KDL-46XBR4/46XBR5 Only) .................................. 42

FB1 Board Schematic Diagram (1 of 17) ............................. 45
FB1 Board Schematic Diagram (2 of 17) ............................. 46
FB1 Board Schematic Diagram (3 of 17) ............................. 47
FB1 Board Schematic Diagram (4 of 17) ............................. 48
FB1 Board Schematic Diagram (5 of 17) ............................. 49
FB1 Board Schematic Diagram (6 of 17) ............................. 50
FB1 Board Schematic Diagram (7 of 17) ............................. 51
FB1 Board Schematic Diagram (8 of 17) ............................. 52
FB1 Board Schematic Diagram (9 of 17) ............................. 53
FB1 Board Schematic Diagram (10 of 17) ........................... 54
FB1 Board Schematic Diagram (11 of 17) ........................... 55
FB1 Board Schematic Diagram (12 of 17) ........................... 56
FB1 Board Schematic Diagram (13 of 17) ........................... 57
FB1 Board Schematic Diagram (14 of 17) ........................... 58
FB1 Board Schematic Diagram (15 of 17) ........................... 59
FB1 Board Schematic Diagram (16 of 17) ........................... 60
FB1 Board Schematic Diagram (17 of 17) ........................... 61
GF1 Board Schematic Diagram ........................................... 63
H1 Board Schematic Diagram .............................................. 66
H3 Board Schematic Diagram .............................................. 68
H4 Board Schematic Diagram .............................................. 70
H5 Board Schematic Diagram

(KDL-40XBR5/46XBR5 Only) .................................. 72

HW2 Board Schematic Diagram (1 of 2) .............................. 74
HW2 Board Schematic Diagram (2 of 2) .............................. 75
TUU2 Board Schematic Diagram (1 of 2) ............................ 78
TUU2 Board Schematic Diagram (2 of 2) ............................ 79

3-5. Semiconductors ................................................................... 82

SECTION 4: EXPLODED VIEWS ........................................................ 83

4-1. Rear Cover Assembly and Stand Assembly ........................ 83

4-2. Speakers .............................................................................. 84

4-3. Chassis ................................................................................ 85

4-4. Connectors

........................................................................... 86

4-5. Bezel Assembly and LCD Panel .......................................... 87

SECTION 5: ELECTRICAL PARTS LIST ............................................ 88

APPENDIX A: ENCRYPTION KEY COMPONENTS ..........................A-1