KLV-26S300A, KLV-32S300A, KLV-40S300A, KLV-46S300A - Sony TV Service Manual (repair manual). Page 3

Read Sony KLV-26S300A / KLV-32S300A / KLV-40S300A / KLV-46S300A Service Manual online

3
KLV-26S300A/32S300A/40S300A/46S300A
KLV-26S300A/32S300A/40S300A/46S300A
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 
Only) 
............................................ 13
1-4.  Stand Assembly and VESA Arm Assembly Removal 
 (KLV-40S300A/46S300A 
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 
Only) 
............................................ 15
1-8.  Speaker, H3 Board, and H4 Board Removal ....................... 15
1-9.  G3 Board (Power Unit) and D1 Board Removal 
 (KLV-40S300A/46S300A 
Only) 
............................................ 16
1-9-1.  Replacing the Inverter Connector Assembly 
   (KLV-40S300A/46S300A 
Only) 
................................ 16
1-10. D2 Board Removal (KLV-46S300A Only) ............................. 17
1-10-1. Replacing the Inverter Connector Assembly 
   (KLV-46S300A 
Only) 
................................................ 17
1-11. AC Inlet Removal (KLV-26S300A/32S300A Only) ............... 18
1-12. AC Inlet Removal (KLV-40S300A/46S300A Only) ............... 18

1-13. Ornamental Panel, LED Guide and Light Guide Removal  .. 19
1-14. LCD Panel Removal (KLV-26S300A/32S300A Only) ........... 19

1-15. LCD Panel Removal (KLV-40S300A/46S300A 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/46S300A 
Only) 
........................................ 35
D2 Board Schematic Diagram (KLV-46S300A Only)  ........... 38
G1D Board Schematic Diagram (Power Supply) 
 (KLV-26S300A 
Only) 
....................................................... 40
G1H Board Schematic Diagram (Power Supply) 
 (KLV-32S300A 
Only) 
....................................................... 41
G3 Board Schematic Diagram (Power Supply) 
 (KLV-40S300A/46S300A 
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
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 Only)  
.............................. 56
4-4.  Chassis (KLV-40S300A/46S300A Only)  .............................. 57
4-5.  Connectors (KLV-26S300A/32S300A Only)  ........................ 58
4-6.  Connectors (KLV-40S300A/46S300A Only)   ....................... 59
4-7. Speakers  ............................................................................. 60
SECTION 5:  ELECTRICAL PARTS LIST ............................................ 61
APPENDIX A:  ENCRYPTION KEY COMPONENTS ..........................A-1
Display
Click on the first or last page to see other KLV-26S300A / KLV-32S300A / KLV-40S300A / KLV-46S300A service manuals if exist.
Random: