KLV-40W300A, KLV-46W300A, KLV-52W300A (serv.man3) - Sony TV Service Manual (repair manual). Page 3

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KLV-40W300A/46W300A/52W300A
KLV-40W300A/46W300A/52W300A
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 ............................................................ 12
1-2.  Arm and Stand Removal ...................................................... 12
1-3.  Speakers, HW3 Board, and AC Inlet Removal ..................... 13
1-4. HW1 Board Removal ........................................................... 13
1-5. HW2 Board Removal ........................................................... 14
1-6  AU Board and FB1 Board Removal ..................................... 14
1-7. TUU2 Board Removal .......................................................... 15
1-8.  DF1, DF2, DF3 Boards and GF1 Board Removal 
  
(KLV-40W300A/46W300A 
Only) 
....................................... 16
1-9.  DF4, DF5 Boards and GF2 Board Removal 
  
(KLV-52W300A 
Only) 
........................................................ 17
1-10. Stay  (Bracket)  Removal  ....................................................... 18
1-11. LCD  Panel  Removal ............................................................. 18
SECTION 2:  SERVICE ADJUSTMENTS ............................................. 19
2-1. Remote Adjustment Buttons and Indicators ......................... 19
2-2. Accessing Service Adjustments ........................................... 19
2-3.  Updating Model Information after 
 Replacing 
the 
FB1 
Board 
..................................................... 21
SECTION 3:  DIAGRAMS ..................................................................... 22
3-1. Circuit Boards Location ........................................................ 22
3-2.  Printed Wiring Boards and 
 Schematic 
Diagrams 
Information 
......................................... 22
3-3. Block Diagram 
...................................................................... 24
3-3-1.  Connector Diagram (KLV-40W300A Only) ............... 25
3-3-2. Connector 
Diagram 
(KLV-46W300A 
Only) 
............... 26
3-3-3. Connector 
Diagram 
(KLV-52W300A 
Only) 
............... 27
3-4. Schematics and Supporting Information .............................. 28
AU Board Schematic Diagram (1 of 6) ................................. 28
AU Board Schematic Diagram (2 of 6) ................................. 29
AU Board Schematic Diagram (3 of 6) ................................. 30
AU Board Schematic Diagram (4 of 6) ................................. 31
AU Board Schematic Diagram (5 of 6) ................................. 32
AU Board Schematic Diagram (6 of 6) ................................. 33
DF1 Board Schematic Diagram (KLV-40W300A Only) ........ 35
DF2 Board Schematic Diagram (KLV-46W300A Only) ........ 38
DF3 Board Schematic Diagram (KLV-46W300A Only) ........ 41
DF4 Board Schematic Diagram (KLV-52W300A Only) ........ 44
DF5 Board Schematic Diagram (KLV-52W300A Only) ........ 46
FB1 Board Schematic Diagram (1 of 16) ............................. 48
FB1 Board Schematic Diagram (2 of 16) ............................. 49
FB1 Board Schematic Diagram (3 of 16) ............................. 50
FB1 Board Schematic Diagram (4 of 16) ............................. 51
FB1 Board Schematic Diagram (5 of 16) ............................. 52
FB1 Board Schematic Diagram (6 of 16) ............................. 53
FB1 Board Schematic Diagram (7 of 16) ............................. 54
FB1 Board Schematic Diagram (8 of 16) ............................. 55
FB1 Board Schematic Diagram (9 of 16) ............................. 56
FB1 Board Schematic Diagram (10 of 16) ........................... 57
FB1 Board Schematic Diagram (11 of 16) ........................... 58
FB1 Board Schematic Diagram (12 of 16) ........................... 59
FB1 Board Schematic Diagram (13 of 16) ........................... 60
FB1 Board Schematic Diagram (14 of 16) ........................... 61
FB1 Board Schematic Diagram (15 of 16) ........................... 62
FB1 Board Schematic Diagram (16 of 16) ........................... 63
GF1 Board Schematic Diagram 
 (KLV-40W300A/46W300A 
Only) 
...................................... 65
GF2 Board Schematic Diagram (KLV-52W300A Only) ........ 68
HW1 Board Schematic Diagram .......................................... 71
HW2 Board Schematic Diagram (1 of 2) .............................. 73
HW2 Board Schematic Diagram (2 of 2) .............................. 74
HW3 Board Schematic Diagram .......................................... 77
TUU2 Board Schematic Diagram (1 of 2) ............................ 79
TUU2 Board Schematic Diagram (2 of 2) ............................ 80
3-5. Semiconductors ................................................................... 83
SECTION 4:  EXPLODED VIEWS ........................................................ 84
4-1.  Rear Cover Assembly and Stand Assembly  ........................ 84
4-2. Chassis ................................................................................ 85
4-3. Connectors 
........................................................................... 86
4-4. Speakers .............................................................................. 87
4-5.  Bezel Assembly and LCD Panel .......................................... 88
SECTION 5:  ELECTRICAL PARTS LIST ............................................ 89
APPENDIX A:  ENCRYPTION KEY COMPONENTS ..........................A-1
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