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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
(For KDL-40XBR5/46XBR5 Only) Removal ......................... 16
1-10. TUU2 Board Removal .......................................................... 16
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
Replacing the FB1 Board ..................................................... 23
SECTION 3: DIAGRAMS ..................................................................... 24
3-1. Circuit Boards Location ........................................................ 24
Schematic Diagrams Information ......................................... 24
3-3. Block Diagram ...................................................................... 26
(KDL-40XBR4/40XBR5 Only) .................................. 27
(KDL-46XBR4/46XBR5 Only) .................................. 28
KDL-40XBR4/40XBR5/46XBR4/46XBR5
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SECTION TITLE
3-4. Schematics and Supporting Information .............................. 29
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
KDL-40XBR4/40XBR5/46XBR4/46XBR5
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
(KDL-40XBR4/40XBR5 Only) .................................. 36
(KDL-46XBR4/46XBR5 Only) .................................. 39
(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
(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
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