Read Sony KDF-42WE655 / KDF-50WE655 Service Manual online
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KDF-42WE655/50WE655
KDF-42WE655/50WE655
TABLE OF CONTENTS
Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 6
Safety Check-Out ........................................................................... 7
Self-Diagnostic Function................................................................. 8
SECTION 1: DISASSEMBLY............................................................... 13
1-1. Rear Cover Removal............................................................ 13
1-2. Center Pillar Removal .......................................................... 13
1-3. Service Position .................................................................. 14
1-4. Fan and Chassis Assembly Removal................................... 14
1-5. Power Supply Block Removal (Lamp Drive Unit)................. 15
1-6. Fan, RF Antenna Switch, and P Board Removal ................. 15
1-7. U Board Removal................................................................. 16
1-8. F Board and G1 Board Board Removal ............................... 16
1-9. A Board and KD Board Removal.......................................... 17
1-10. Q Box Assembly, and B Board Removal.............................. 17
1-11. G2 Board Removal............................................................... 18
1-12. T Board Removal ................................................................. 18
1-13. Woofer Removal .................................................................. 18
1-14. H3 Board Removal (KDF-42WE655 Only)........................... 19
1-15. Front Cover Assembly Removal........................................... 19
1-15-1. Replacing the Lamp................................................. 19
1-16. HM Board Removal (KDF-42WE655 Only).......................... 20
1-17. H3 Board and HM Board Removal (KDF-50WE655 Only)... 20
1-18. H2 Board Removal............................................................... 21
1-19. H1 Board Removal............................................................... 21
1-20. Screen Mirror Block Assembly Removal .............................. 22
1-21. Mirror Cover Assembly and Speaker Removal .................... 23
1-21-1. Diffusion plates (Screens) Tape Method.................. 23
Wire Dressing ............................................................................... 24
SECTION 2: CIRCUIT ADJUSTMENTS.............................................. 28
2-1. Setting the Service Adjustment Mode .................................. 28
2-2. Service Adjustment Mode Memory ...................................... 28
2-3. Memory Write Confi rmation Method .................................... 29
2-4. Remote Adjustment Buttons and Indicators ......................... 29
2-5. H/V Center Confi rmation and Adjustments .......................... 30
2-6. Service Data......................................................................... 31
2-7. ID Map Table ........................................................................ 33
SECTION 3: DIAGRAMS..................................................................... 34
3-1. Circuit Boards Location ........................................................ 34
3-2. Printed Wiring Boards and
Schematic Diagrams Information ......................................... 34
3-3. Block Diagrams .................................................................... 36
3-4. Schematics and Supporting Information .............................. 37
A Board Schematic Diagram (1 of 3).................................... 37
A Board Schematic Diagram (2 of 3).................................... 38
A Board Schematic Diagram (3 of 3).................................... 39
B Board Schematic Diagram (1 of 6) ................................... 42
B Board Schematic Diagram (2 of 6) ................................... 43
B Board Schematic Diagram (3 of 6) ................................... 44
B Board Schematic Diagram (4 of 6) ................................... 45
B Board Schematic Diagram (5 of 6) ................................... 46
B Board Schematic Diagram (6 of 6) ................................... 47
G2 Board Schematic Diagram (1 of 2) ................................. 50
G2 Board Schematic Diagram (2 of 2) ................................. 51
P Board Schematic Diagram ............................................... 54
KD Board Schematic Diagram ............................................. 55
G1 Board Schematic Diagram (1 of 2) ................................. 57
G1 Board Schematic Diagram (2 of 2) ................................. 58
F Board Schematic Diagram ................................................ 61
HM Board Schematic Diagram............................................. 63
H1 Board Schematic Diagram.............................................. 65
H2 Board Schematic Diagram.............................................. 67
H3 Board Schematic Diagram.............................................. 68
T Board Schematic Diagram ................................................ 69
U Board Schematic Diagram................................................ 70
3-5. Semiconductors ................................................................... 72
SECTION 4: EXPLODED VIEWS ........................................................ 73
4-1. Cover.................................................................................... 73
4-2. Bottom Cabinet (KDF-42WE655 Only) ................................ 74
4-3. Bottom Cabinet (KDF-50WE655 Only) ................................ 75
4-4. Chassis ................................................................................ 76
4-5. Optical Unit Block................................................................. 77
SECTION 5: ELECTRICAL PARTS LIST........................................... 78
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