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KV-SW25M50/M80/M90/SW25M31/M61/M91/SW25M60K
RM-W104
RW-W103
RM-W109
TABLE OF CONTENTS
SELF DIAGNOSTIC FUNCTION .............................. 3
1. DISASSEMBLY
1-1. Rear Cover Removal ................................................. 6
1-2. Speaker Removal ...................................................... 6
1-3. Chassis Assy Removal (except KV-SW25M60K) ... 6
1-4. Chassis Assy Removal (KV-SW25M60K) ............... 6
1-5. Service Position (except KV-SW25M60K) ............. 6
1-6. Service Position (KV-SW25M60K) ......................... 6
1-7. Terminal Bracket and J3 Board Removal
1-2. Speaker Removal ...................................................... 6
1-3. Chassis Assy Removal (except KV-SW25M60K) ... 6
1-4. Chassis Assy Removal (KV-SW25M60K) ............... 6
1-5. Service Position (except KV-SW25M60K) ............. 6
1-6. Service Position (KV-SW25M60K) ......................... 6
1-7. Terminal Bracket and J3 Board Removal
(except KV-SW25M60K) ......................................... 7
1-8. Terminal Bracket and J3 Board Removal
(KV-SW25M60K) ..................................................... 7
1-9. F Board Removal (except KV-SW25M60K) ........... 7
1-10. F Board and Bracket, F PWB Removal
1-10. F Board and Bracket, F PWB Removal
(KV-SW25M60K) ..................................................... 7
1-11. B and K Boards Removal (KV-SW25M60K) .......... 7
1-12. H4 and H5 Boards Removal
1-12. H4 and H5 Boards Removal
(except KV-SW25M60K) ......................................... 7
1-13. H4 and H5 Boards Removal (KV-SW25M60K) ...... 8
1-14. A Board Removal (except KV-SW25M60K) ........... 8
1-15. A Board Removal (KV-SW25M60K) ...................... 8
1-16. Picture Tube Removal (except KV-SW25M60K) .... 9
1-17. Picture Tube Removal (KV-SW25M60K) ............... 9
1-14. A Board Removal (except KV-SW25M60K) ........... 8
1-15. A Board Removal (KV-SW25M60K) ...................... 8
1-16. Picture Tube Removal (except KV-SW25M60K) .... 9
1-17. Picture Tube Removal (KV-SW25M60K) ............... 9
2. SET-UP ADJUSTMENTS
2-1. Beam Landing ......................................................... 11
2-2. Convergence ............................................................ 12
2-3. Focus Adjustment .................................................... 14
2-4. G2 (SCREEN) Adjustments ................................... 14
2-5. White Balance Adjustment ..................................... 14
2-6. Sub Bright Adjustment ........................................... 14
2-2. Convergence ............................................................ 12
2-3. Focus Adjustment .................................................... 14
2-4. G2 (SCREEN) Adjustments ................................... 14
2-5. White Balance Adjustment ..................................... 14
2-6. Sub Bright Adjustment ........................................... 14
3. CIRCUIT ADJUSTMENTS
3-1. Adjustment With Commander ................................ 15
3-2. Adjustment Method ................................................ 16
3-3. Picture Quality Adjustment .................................... 33
3-4. Deflection Adjustment ............................................ 34
3-5. Picture Distortion Adjustment ................................ 35
3-2. Adjustment Method ................................................ 16
3-3. Picture Quality Adjustment .................................... 33
3-4. Deflection Adjustment ............................................ 34
3-5. Picture Distortion Adjustment ................................ 35
Section
Title
Page
Section
Title
Page
4. DIAGRAMS
4-1. Block Diagram ........................................................ 37
4-2. Circuit Boards Location .......................................... 38
4-3. Schematic Diagram Information ............................ 38
4-2. Circuit Boards Location .......................................... 38
4-3. Schematic Diagram Information ............................ 38
4-3-1. C Board Schematic Diagram ..................... 39
4-3-2. A Board — Processor, Audio, Tuner, Jack
4-3-2. A Board — Processor, Audio, Tuner, Jack
(Block 001) ................................................. 41
4-3-3. A Board — Power Supply, Deflection
(Block 002) ................................................ 43
4-3-4. A Board — Heat Sink (Block 003) ............ 45
4-3-5. H5 Board Schematic Diagram ................... 46
4-3-6. VM Board Schematic Diagram .................. 48
4-3-7. H4 Board Schematic Diagram ................... 49
4-3-8. F Board Schematic Diagram ...................... 50
4-3-9. J3 Board Schematic Diagram ..................... 51
4-3-10. K Board Schematic Diagram
4-3-5. H5 Board Schematic Diagram ................... 46
4-3-6. VM Board Schematic Diagram .................. 48
4-3-7. H4 Board Schematic Diagram ................... 49
4-3-8. F Board Schematic Diagram ...................... 50
4-3-9. J3 Board Schematic Diagram ..................... 51
4-3-10. K Board Schematic Diagram
(KV-SW25M60K) ...................................... 52
4-3-11. B Board Schematic Diagram
(KV-SW25M60K) ...................................... 53
4-4. Voltage Measurement and Waveform ..................... 55
4-5. Printed Wiring Boards ............................................ 60
4-6. Semiconductors ....................................................... 66
4-5. Printed Wiring Boards ............................................ 60
4-6. Semiconductors ....................................................... 66
5. EXPLODED VIEWS
5-1.
Picture Tube and Speaker Bracket ...................... 68
5-2(1). Chassis ................................................................. 70
5-2(2). Chassis ................................................................. 71
5-2(2). Chassis ................................................................. 71
6. ELECTRICAL PARTS LIST .................................... 72
OPERATING INSTRUCTIONS
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
! ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD,
OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD,
OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
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