Table Of Contents - Sony KDL-32L4000 Service Manual

SECTION TITLE
Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 6
Safety-Related Component Warning .............................................. 8
Safety Check-Out ......................................................................... 10
Self-Diagnostic Function ................................................................11
SECTION 1: DISASSEMBLY ............................................................... 12
1-1. Rear Cover Removal ............................................................ 12
1-2. H1 Board Removal ............................................................... 12
1-3. A Board and G Board Removal ............................................ 13
1-4. Table-Top Stand Assembly and Under Cover Removal ....... 13
1-5. AC Inlet and Bracket Removal ............................................. 14
1-6 Under Bar, H2 Board (IR), H3 Board (LED) Removal .......... 14
1-7. Loudspeakers Removal ....................................................... 14
1-8. Structural Frames and Brackets Removal
(KDL-32L4000 Only) ............................................................ 15
1-9. Structural Frames and Brackets Removal
(KDL-37L4000 Only) ............................................................ 16
1-10. LCD Panel Removal ............................................................. 17
1-11. Balancer (MT Inverter) Board Removal
(KDL-32L4000 Only) ............................................................ 18
1-12. Balancer (MT Inverter) Board Removal
(KDL-37L4000 Only) ............................................................ 19
Wire Dressing ............................................................................... 20
KDL-32L4000 Only ............................................................... 20
KDL-37L4000 Only ............................................................... 25
KDL-32L4000/37L4000

TABLE OF CONTENTS

PAGE SECTION TITLE
SECTION 2: SERVICE ADJUSTMENTS ............................................. 30
2-1. Accessing Service (Factory) Mode ...................................... 30
2-2. Reviewing Service (Factory) Mode ...................................... 31
2-3. Resetting to Factory Defaults after Board Replacement ...... 31
2-4. Viewing Model Information ................................................... 32
SECTION 3: DIAGRAMS ..................................................................... 33
3-1. Circuit Boards Location ........................................................ 33
3-2. Printed Wiring Boards and
3-3. Block Diagram ...................................................................... 35
3-4. Frame Diagrams .................................................................. 36
3-5. Schematics and Supporting Information .............................. 38
SECTION 4: EXPLODED VIEWS ........................................................ 62
4-1. Rear Cover Assembly and Table-Top Stand Assembly ....... 62
4-2. Chassis ................................................................................ 63
4-3. Bezel Assembly and LCD Panel .......................................... 64
APPENDIX A: ENCRYPTION KEY COMPONENTS ..........................A-1
Schematic Diagrams Information ......................................... 33
3-4.1. KDL-32L4000 Only .................................................. 36
3-4.2. KDL-37L4000 Only .................................................. 37
A Board Schematic Diagram (1 of 16) .................................. 38
A Board Schematic Diagram (2 of 16) .................................. 39
A Board Schematic Diagram (3 of 16) .................................. 40
A Board Schematic Diagram (4 of 16) .................................. 41
A Board Schematic Diagram (5 of 16) .................................. 42
A Board Schematic Diagram (6 of 16) .................................. 43
A Board Schematic Diagram (7 of 16) .................................. 44
A Board Schematic Diagram (8 of 16) .................................. 45
A Board Schematic Diagram (9 of 16) .................................. 46
A Board Schematic Diagram (10 of 16) ................................ 47
A Board Schematic Diagram (11 of 16) ................................ 48
A Board Schematic Diagram (12 of 16) ................................ 49
A Board Schematic Diagram (13 of 16) ................................ 50
A Board Schematic Diagram (14 of 16) ................................ 51
A Board Schematic Diagram (15 of 16) ................................ 52
A Board Schematic Diagram (16 of 16) ................................ 53
G Board Schematic Diagram (1 of 2) ................................... 55
G Board Schematic Diagram (2 of 2) ................................... 56
H1 Board Schematic Diagram .............................................. 59
H2 Board Schematic Diagram .............................................. 60
H3 Board Schematic Diagram .............................................. 61
KDL-32L4000/37L4000
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