Table Of Contents; Section Title - Sony KDL-40V2500 Service Manual

SECTION TITLE
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. Vesa Bracket Assembly and Stand Removal ........... 13
1-3. H1U Board Removal ................................................ 14
1-4. G2A Board Removal ................................................ 14
1-5. H2U Board Removal ................................................ 15
1-6. AU Board Removal .................................................. 15
1-7. QT Board Removal .................................................. 16
1-8. H3U Board and Speaker Removal .......................... 16
1-9. QSF board and BU Board Removal ........................ 17
1-10. LCD Panel Removal ................................................ 18
SECTION 2: SERVICE ADJUSTMENTS ............................................. 19
2-1. Remote Adjustment Buttons and Indicators ......................... 19
2-2. Accessing Service Adjustments ........................................... 19
2-2-1. Accessing the Digital Service Adjustment Menus .... 19
2-2-2. Viewing the Digital Module Box (Q-Box)
Service Items ........................................................... 20
2-2-3. Accessing the Analog Service Adjustment Menus ... 20
2-3. Resetting the User Menu - Factory Reset ............................ 21
2-4. Aging Mode .......................................................................... 21
2-5. White Balance Adjustment. .................................................. 22
SECTION 3: DIAGRAMS ..................................................................... 23
3-1. Circuit Boards Location ........................................................ 23
3-2. Printed Wiring Boards and
Schematic Diagrams Information ......................................... 23
3-3. Block Diagram ...................................................................... 25
KDL-40V2500/46V2500/46V25L1
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SECTION TITLE

3-4. Schematics and Supporting Information .............................. 26
AU Board Schematic Diagram (1 of 2) ................................. 26
AU Board Schematic Diagram (2 of 2) ................................. 27
BU Board Schematic Diagram (1 of 9) ................................. 29
BU Board Schematic Diagram (2 of 9) ................................. 30
BU Board Schematic Diagram (3 of 9) ................................. 31
BU Board Schematic Diagram (4 of 9) ................................. 32
BU Board Schematic Diagram (5 of 9) ................................. 33
BU Board Schematic Diagram (6 of 9) ................................. 34
BU Board Schematic Diagram (7 of 9) ................................. 35
BU Board Schematic Diagram (8 of 9) ................................. 36
BU Board Schematic Diagram (9 of 9) ................................. 37
G2A Board Schematic Diagram ........................................... 39
H1U Board Schematic Diagram ........................................... 41
H2U Board Schematic Diagram ........................................... 42
H3U Board Schematic Diagram ........................................... 44
QSF Board Schematic Diagram (1 of 5) .............................. 45
QSF Board Schematic Diagram (2 of 5) .............................. 46
QSF Board Schematic Diagram (3 of 5) .............................. 47
QSF Board Schematic Diagram (4 of 5) .............................. 48
QSF Board Schematic Diagram (5 of 5) .............................. 49
QT Board Schematic Diagram ............................................. 51
3-5. Semiconductors ................................................................... 53
SECTION 4: EXPLODED VIEWS ........................................................ 54
4-1. Rear Cabinet and Stand Assembly ..................................... 54
4-2. Chassis ............................................................................... 55
4-3. Speakers .............................................................................. 56
4-4. LCD Panel ............................................................................ 57
SECTION 5: ELECTRICAL PARTS LIST ............................................ 58
APPENDIX A: ENCRYPTION KEY COMPONENTS ..........................A-1
KDL-40V2500/46V2500/46V25L1
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