Read Sony KLV-26S300A / KLV-32S300A / KLV-32S301A / KLV-40S300A / KLV-40S301A / KLV-46S300A / KLV-46S301A Service Manual online
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KLV-26S300A/32S300A/32S301A/40S300A/40S301A/46S300A/46S301A
KLV-26S300A/32S300A/32S301A/40S300A/40S301A/46S300A/46S301A
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. H1 Board Removal ............................................................... 12
1-3. Stand Assembly and VESA Arm Assembly Removal
(KLV-26S300A/32S300A/32S301A
Only)
............................. 13
1-4. Stand Assembly and VESA Arm Assembly Removal
(KLV-40S300A/40S301A/46S300A/46S301A
Only)
............. 13
1-5. U1 Board, DTT Shield, and Jack Holder Removal ............... 14
1-6. BG1/UT Board Removal ...................................................... 14
1-7. G1D/G1H Board (Power Unit) and G1 Bracket Removal
(KLV-26S300A/32S300A/32S301A
Only)
............................ 15
1-8. Speaker, H3 Board, and H4 Board Removal ....................... 15
1-9. G3 Board (Power Unit) and D1 Board Removal
(KLV-40S300A/40S301A/46S300A/46S301A
Only)
............. 16
1-9-1. Replacing the Inverter Connector Assembly
(KLV-40S300A/40S301A/46S300A/46S301A Only) 16
1-10. D2 Board Removal (KLV-46S300A/46S301A Only) ............. 17
1-10-1. Replacing the Inverter Connector Assembly
(KLV-46S300A/46S301A
(KLV-46S300A/46S301A
Only)
................................ 17
1-11. AC Inlet Removal (KLV-26S300A/32S300A/32S301A Only) 18
1-12. AC Inlet Removal
(KLV-40S300A/40S301A/46S300A/46S301A
Only)
............. 18
1-13. Ornamental Panel, LED Guide and Light Guide Removal ... 19
1-14. LCD Panel Removal
(KLV-26S300A/26S301A/32S300A/32S301A
Only)
............. 19
1-15. LCD Panel Removal
(KLV-40S300A/40S301A/46S300A/46S301A
Only)
............. 20
SECTION 2: SERVICE ADJUSTMENTS ............................................. 21
2-1. Using the Remote Commander for Electrical Adjustments .. 21
2-2. Accessing Service Adjustment Mode ................................... 21
2-3. Viewing the Service Menus .................................................. 21
2-4. Changing Service Data ........................................................ 22
2-4-1. Exiting Service Mode
............................................... 22
2-5. Verifying Service Data Changes .......................................... 22
SECTION 3: DIAGRAMS ..................................................................... 23
3-1. Circuit Boards Location ........................................................ 23
3-2. Printed Wiring Boards and
Schematic
Diagrams
Information
......................................... 24
3-3. Block Diagram ...................................................................... 25
Signal Flow Diagram ............................................................ 25
3-4. Schematics and Supporting Information .............................. 26
BG1 Board Schematic Diagram (1 of 8) ............................... 26
BG1 Board Schematic Diagram (2 of 8) ............................... 27
BG1 Board Schematic Diagram (3 of 8) ............................... 28
BG1 Board Schematic Diagram (4 of 8) ............................... 29
BG1 Board Schematic Diagram (5 of 8) ............................... 30
BG1 Board Schematic Diagram (6 of 8) ............................... 31
BG1 Board Schematic Diagram (7 of 8) ............................... 32
BG1 Board Schematic Diagram (8 of 8) ............................... 33
D1 Board Schematic Diagram
(KLV-40S300A/40S301A/46S300A/46S301A
BG1 Board Schematic Diagram (2 of 8) ............................... 27
BG1 Board Schematic Diagram (3 of 8) ............................... 28
BG1 Board Schematic Diagram (4 of 8) ............................... 29
BG1 Board Schematic Diagram (5 of 8) ............................... 30
BG1 Board Schematic Diagram (6 of 8) ............................... 31
BG1 Board Schematic Diagram (7 of 8) ............................... 32
BG1 Board Schematic Diagram (8 of 8) ............................... 33
D1 Board Schematic Diagram
(KLV-40S300A/40S301A/46S300A/46S301A
Only)
........ 35
D2 Board Schematic Diagram
(KLV-46S300A/46S301A
(KLV-46S300A/46S301A
Only)
....................................... 38
G1D Board Schematic Diagram (Power Supply)
(KLV-26S300A
(KLV-26S300A
Only)
....................................................... 40
G1H Board Schematic Diagram (Power Supply)
(KLV-32S300A/32S301A
(KLV-32S300A/32S301A
Only)
........................................ 41
G3 Board Schematic Diagram (Power Supply)
(KLV-40S300A/40S301A/46S300A/46S301A
(KLV-40S300A/40S301A/46S300A/46S301A
Only)
........ 42
H1 Board Schematic Diagram .............................................. 44
H3 Board Schematic Diagram .............................................. 46
H4 Board Schematic Diagram .............................................. 48
U1 Board Schematic Diagram .............................................. 50
UT Board Schematic Diagram ............................................ 52
H3 Board Schematic Diagram .............................................. 46
H4 Board Schematic Diagram .............................................. 48
U1 Board Schematic Diagram .............................................. 50
UT Board Schematic Diagram ............................................ 52
3-5. Semiconductors ................................................................... 53
SECTION 4: EXPLODED VIEWS ........................................................ 54
4-1. Rear Cover and Stand Assembly ........................................ 54
4-2. Bezel Assembly and LCD Panel ......................................... 55
4-3. Chassis (KLV-26S300A/32S300A/32S301A Only) .............. 56
4-4. Chassis (KLV-40S300A/40S301A/46S300A/46S301A Only) ..
57
4-5. Connectors (KLV-26S300A/32S300A/32S301A Only) ........ 58
4-6. Connectors (KLV-40S300A/40S301A/46S300A/46S301A
Only) ................................................................................... 59
4-7. Speakers ............................................................................. 60
SECTION 5: ELECTRICAL PARTS LIST ............................................ 61
APPENDIX A: ENCRYPTION KEY COMPONENTS ..........................A-1
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