Table Of Contents - Sony KV-XA21M83 Service Manual

KV-XA21M83/XA21M93/XA51M61/XA21P80
Section
Self Diagnostic Function........................... 5
1. GENERAL ........................................................ 8
2. DISASSEMBLY
2-1. 3D Speaker Box Removal ....................................... 36
2-2. Rear Cover Removal ............................................... 36
2-3. Speaker Removal .................................................... 36
2-4. Chassis Assy Removal ............................................ 36
2-5. F, H4 and K2 Boards Removal ............................... 36
2-6. J3 Board and Terminal Bracket Removal ............... 36
2-7. Service Position ...................................................... 37
2-8. Replacement Of Part ............................................... 37
2-8-2. Power Button ................................................ 37
2-8-1. Light Guide .................................................. 37
2-9. Picture Tube Removal ............................................. 37
3. SET-UP ADJUSTMENTS
3-1. Beam Lading ........................................................... 39
3-2. Convergence Adjusment ......................................... 40
3-3. Focus Adjustment .................................................... 42
3-4. G2 (Screen) and White Balance Adjustement ........ 42
4. CIRCUIT ADJUSTMENTS
4-1. Adjustment with Commander ................................. 43
4-2. Adjustment Method ................................................ 43
4-3. Picture Quality Adjustment .................................... 49
4-4. Deflection Adjustment ............................................ 49
4-5. A Board Ajustment After IC003 (memory)
Replacement ............................................................ 49
4-6. Picture Distortion Adjustment ................................ 50
RM-952
KV-XA21N93
RM-915

TABLE OF CONTENTS

Title Page Section
5. DIAGRAMS
5-1. Block Diagram ......................................................... 51
5-2. Circuit Board Location ............................................ 52
5-3. Schematic Diagrams ................................................. 52
(1) Schematic Diagrams of F, J3 and H4 Boards ... 55
(2) Schematic Diagram of A Board ....................... 56
(3) Schematic Diagram of C1 Board ...................... 73
(4) Schematic Diagrams of K2 and V1 Boards ..... 75
Board Mark List ...................................................... 77
5-4. Voltage Measurements ............................................. 80
5-5. Waveforms ................................................................ 82
5-6. Printed Wiring Boards and Parts Location .............. 83
5-7. Semiconductors ........................................................ 91
6. EXPLODED VIEWS
6-1. Picture Tube .............................................................. 93
6-2. Chassis ...................................................................... 95
7. ELECTRICAL PARTS LIST ........................... 97
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Title Page