Read Sony KV-XA25M50 Service Manual online
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KV-XA25M50/XA25M80/XA29M50
RM-954
KV-XA29M80/XA29M90/XA29N90
RM-954
RM-914
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
SELF DIAGNOSTIC FUNCTION .....................
5
1. GENERAL ........................................................
8
2. DISASSEMBLY
2-1. Rear Cover Removal ............................................... 59
2-2. Speaker Removal .................................................... 59
2-3. Chassis Assy Removal ............................................ 59
2-4. F Bracket Removal .................................................. 60
2-5. Service Position ...................................................... 60
2-6. Replacement Of Parts ............................................. 60
2-2. Speaker Removal .................................................... 59
2-3. Chassis Assy Removal ............................................ 59
2-4. F Bracket Removal .................................................. 60
2-5. Service Position ...................................................... 60
2-6. Replacement Of Parts ............................................. 60
2-6-1. Light Guide .................................................. 60
2-6-2. Power Button ................................................ 60
2-6-2. Power Button ................................................ 60
2-7. J and J1 Boards Removal ........................................ 60
2-8. Terminal Bracket Removal ..................................... 60
2-9. D3 Board Removal .................................................. 60
2-10. B1 Board Removal .................................................. 60
2-11. H Board Removal .................................................... 60
2-12. A and B Boards Removal ....................................... 60
2-13. Picture Tube Removal ............................................. 62
2-8. Terminal Bracket Removal ..................................... 60
2-9. D3 Board Removal .................................................. 60
2-10. B1 Board Removal .................................................. 60
2-11. H Board Removal .................................................... 60
2-12. A and B Boards Removal ....................................... 60
2-13. Picture Tube Removal ............................................. 62
3. ADVANCE OPERATION
3-1. "RESET" FUNCTION ............................................ 63
4. SET-UP ADJUSTMENTS
4-1. Beam Lading ........................................................... 64
4-2. CONVERGENCE ................................................... 65
4-3. Focus Adjustment .................................................... 67
4-4. G2 (SCREEN) AND white balance adjustments ... 68
4-2. CONVERGENCE ................................................... 65
4-3. Focus Adjustment .................................................... 67
4-4. G2 (SCREEN) AND white balance adjustments ... 68
5. CIRCUIT ADJUSTMENTS
5-1. Adjustment With Commander ................................ 69
5-2. Adjustment Method ................................................ 69
5-3. Picture Quality Adjustments ................................... 80
5-4. Display position Adjustment .................................. 80
5-5. Deflection Adjustment ............................................ 81
5-6. H-Trapezoid Adjustment ......................................... 81
5-7. A Board Adjustment After IC003 Replacement .... 81
5-8. Picture Distortion Adjustment ................................ 82
5-2. Adjustment Method ................................................ 69
5-3. Picture Quality Adjustments ................................... 80
5-4. Display position Adjustment .................................. 80
5-5. Deflection Adjustment ............................................ 81
5-6. H-Trapezoid Adjustment ......................................... 81
5-7. A Board Adjustment After IC003 Replacement .... 81
5-8. Picture Distortion Adjustment ................................ 82
6. DIAGRAMS
6-1. Block Diagram ........................................................ 83
6-2. Circuit Boards Location .......................................... 84
6-3. Schematic Diagram ................................................. 84
6-2. Circuit Boards Location .......................................... 84
6-3. Schematic Diagram ................................................. 84
(1) Schematic Diagrams of H Board ...................... 87
(2) Schematic Diagram of A Board ........................ 89
(3) Schematic Diagram of B Board ...................... 105
(4) Schematic Diagrams of C6 and B1 Boards .... 113
(5) Schematic Diagrams of VM1, J and F Boards ... 115
(2) Schematic Diagram of A Board ........................ 89
(3) Schematic Diagram of B Board ...................... 105
(4) Schematic Diagrams of C6 and B1 Boards .... 113
(5) Schematic Diagrams of VM1, J and F Boards ... 115
6-4. Voltage Measurement ........................................... 123
6-5. Waveforms ............................................................ 133
6-6. Printed Wiring Boards and Parts Location ........... 135
6-7. Semiconductors ..................................................... 151
6-5. Waveforms ............................................................ 133
6-6. Printed Wiring Boards and Parts Location ........... 135
6-7. Semiconductors ..................................................... 151
7. EXPLODED VIEWS
7-1. Picture tube ........................................................... 153
7-2. Chassis ................................................................... 155
7-2. Chassis ................................................................... 155
8. ELECTRICAL PARTS LIST ..........................
157
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