Read Sony KDL-32L4000 / KDL-37L4000 (serv.man2) Service Manual online
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KDL-32L4000/37L4000
KDL-32L4000/37L4000
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. Switch Unit Removal (Contains H1 Board) .......................... 12
1-3. Side Jack Bracket, BM4 Board Removal ............................. 13
1-4. Power Unit (G1D/G2D Board) Removal ............................... 13
1-5. Table-Top Stand Removal .................................................... 14
1-6. Structural Frames and Vesa Bracket Removal .................... 15
1-7. Speakers, Under Bar, HM6 Board and
Light Guide Removal ........................................................... 16
1-8. LCD Panel RemovaL ........................................................... 17
1-8-1. Cleaning the LCD Panel .......................................... 17
Wire Dressing ............................................................................... 19
KDL-32L4000 Only ............................................................... 19
KDL-37L4000 Only ............................................................... 28
SECTION 2: SERVICE ADJUSTMENTS ............................................. 38
2-1. Resetting the TV to the Factory Defaults ............................. 38
SECTION 3: DIAGRAMS ..................................................................... 39
3-1. Circuit Boards Location ........................................................ 39
3-2. Printed Wiring Boards and
Schematic Diagrams Information ......................................... 39
3-3. Block Diagram
...................................................................... 41
3-4. Schematics and Supporting Information .............................. 42
BM4 Board Schematic Diagram (1 of 10) ............................ 42
BM4 Board Schematic Diagram (2 of 10) ............................ 43
BM4 Board Schematic Diagram (3 of 10) ............................ 44
BM4 Board Schematic Diagram (4 of 10) ............................ 45
BM4 Board Schematic Diagram (5 of 10) ............................ 46
BM4 Board Schematic Diagram (6 of 10) ............................ 47
BM4 Board Schematic Diagram (7 of 10) ............................ 48
BM4 Board Schematic Diagram (8 of 10) ............................ 49
BM4 Board Schematic Diagram (9 of 10) ............................ 50
BM4 Board Schematic Diagram (10 of 10) .......................... 51
G1D Board Schematic Diagram
(KDL-32L4000 Only) ................................................ 53
G2D Board Schematic Diagram (1 of 2)
(KDL-37L4000 Only) ................................................ 56
G2D Board Schematic Diagram (2 of 2)
(KDL-37L4000 Only) ................................................ 57
HM6 Board Schematic Diagram .......................................... 60
3-5. Semiconductors ................................................................... 62
SECTION 4: EXPLODED VIEWS ........................................................ 63
4-1. Rear Cover Assembly and Table-Top Stand Assembly ....... 63
4-2. Chassis ................................................................................ 64
4-3. Connectors
........................................................................... 65
4-4. Bezel Assembly, LCD Panel and Speakers ......................... 66
4-5. Screw Legend ...................................................................... 67
SECTION 5: ELECTRICAL PARTS LIST ............................................ 68
APPENDIX A: ENCRYPTION KEY COMPONENTS ..........................A-1
APPENDIX B: TILED SCHEMATIC NOTE ..........................................B-1
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