KV-DA292M86 - Sony TV Service Manual (repair manual). Page 3

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SELF DIAGNOSTIC FUNCTION .............................. 3

1-1. Rear Cover Removal ................................................. 5
1-2. Speaker Removal ...................................................... 5
1-3. Chassis Assy Removal .............................................. 5
1-4. Service Position ........................................................ 5
1-5. Terminal Bracket Removal ....................................... 5
1-6. J Board Removal ....................................................... 5
1-7. BP and BC Boards Removal ..................................... 6
1-8. BH1 Board Removal ................................................. 6
1-9. F1 Board Removal .................................................... 6
1-10. DL Board Removal ................................................... 6
1-11. H1 and H2 Boards Removal ..................................... 6
1-12. A and D Boards Removal ......................................... 6
1-13. Picture Tube Removal ............................................... 7

2-1. Dressing of Conn Assy, 6P, Conn Assy, 4P VH and

Wire Harness, A ........................................................ 8

2-2. Dressing of Conn Assy, 4P VH ................................. 8
2-3. Dressing of Conn Assy, 5P ....................................... 8
2-4. Dressing of Conn Assy, 10P, Conn Assy,

9P and Conn Assy, 10P+10P .................................... 9

2-5. Dressing of Conn Assy, 8P and Conn Assy .............. 9
2-6. Dressing of H-Static Wire ......................................... 9
2-7. Lead Assy, Speaker wire dressing ............................ 9
2-8. Speaker and Tweeter installation ............................ 10
2-9. Installation and dressing of Earth Coating Assy .... 10
2-10. Wire Harness, A and DGC Conn dressing ............. 10
2-11. Lead Assy Earth Wire ............................................. 11
2-12. Dressing of Conn Assy, 3P, Conn Assy,

4P and Wire Harness ............................................... 11

2-13. Conn Assy Wire Dressing ....................................... 11
2-14. Conn Assy Wire Dressing ....................................... 12
2-15. Conn Assy wire dressing ........................................ 12
2-16. Conn Assy wire dressing ........................................ 12
2-17. Conn Assy wire ....................................................... 13
2-18. Conn Assy wire ....................................................... 13
2-19. HV cap assy installation ......................................... 13
2-20. HV cap assy wire .................................................... 14
2-21. Dressing of Lead Assy, G2+Focus at Terminal

Bracket .................................................................... 14

2-22. Dressing of Lead Assy, Focus and G2 .................... 14
2-23. Dressing of AC Power Cord ................................... 14

3-1. Jigs Required for Servicing .................................... 15

4. CIRCUIT BOARDS LOCATION ............................. 15

5-1. "RESET" Function .................................................. 16

6-1. Beam Landing ......................................................... 17
6-2. Convergence Adjustment ........................................ 18
6-3. Focus Adjustment .................................................... 20
6-4. Neck Assy Twist Adjustment .................................. 20
6-5. G2 (SCREEN) and White Balance Adjustment ..... 20

7-1. Adjustment With Commander ................................ 21
7-2. Adjustment Method ................................................ 22
7-3. Picture Quality Adjustments ................................... 67
7-4. Sub Hue/Col Adjustment ........................................ 67
7-5. Deflection Adjustments .......................................... 67
7-6. A Board Adjustment After IC003 (MEMORY)

Replacement ............................................................ 68

7-7. Picture Distortion Adjustment ................................ 69

8-1. Block Diagram ........................................................ 70
8-2. Schematic Diagram Information ............................ 71

8-2-1. A Board – (Block 001) ................................. 72
8-2-2. A Board – (Block 002) ................................. 74
8-2-3. A Board – (Block 003) ................................. 76
8-2-4. A Board – (Block 004) ................................. 78
8-2-5. BC Board Schematic Diagram .................... 79
8-2-6. BH1 Board – (Block 001) ............................ 81
8-2-7. BH1 Board – (Block 002) ............................ 83
8-2-8. BP Board Schematic Diagram ..................... 85
8-2-9. C Board Schematic Diagram ....................... 87
8-2-10. D Board – (Block 001) .............................. 89
8-2-11. D Board – (Block 002) .............................. 91
8-2-12. DL Board Schematic Diagram .................. 92
8-2-13. F1 and H2 Board Schematic Diagrams ..... 94
8-2-14. H1 Board Schematic Diagram ................... 95
8-2-15. VM Board Schematic Diagram .................. 97
8-2-16. J Board Schematic Diagram ...................... 99

8-3. Voltage Measurement and Waveform ................... 100
8-4. Printed Wiring Boards .......................................... 112
8-5. Semiconductors ..................................................... 123

9-1. Picture Tube .......................................................... 125
9-2. Chassis ................................................................... 126

10. ELECTRICAL PARTS LIST .................................. 127

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.