Table Of Contents - Sony KV-XA21M30 Service Manual

KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
Section
SELF DIAGNOSIS FUNCTION
1. GENERAL
........................................................................ 8
2. DISASSEMBLY
2-1. 3D Speaker Removal ............................................... 30
2-2. Rear Cover Removal ................................................ 30
2-3. Speaker Removal ..................................................... 30
2-4. Chassis Assy Removal ............................................. 30
2-5. F, H4 and K2 Board Removal ................................. 30
2-6. J3 Board and Terminal Bracket Removal ................ 30
2-7. Service Position ....................................................... 31
2-8. Replacement of Parts ............................................... 31
2-8-1. Replacement of Light Guide ..........................................
2-8-2. Replacement of Power Button ........................................
2-9. Picture Tube Removal .............................................. 31
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .......................................................... 33
3-2. Convergence Adjustment ......................................... 34
3-3. Focus Adjustment .................................................... 36
3-4. G2 (Screen) and White Balance Adjustments ......... 36
4. CIRCUIT ADJUSTMENT
4-1. Adjustments with Commander ................................ 37
4-2. Adjustment Method ................................................. 37
4-3. Picture Quality Adjustments .................................... 42
4.4 Deflection Adjustment ............................................. 42
4-5. A Board Adjustment After IC003
(memory) Replacement ........................................... 42
4-6. Picture Distortion Adjustment ................................. 43

TABLE OF CONTENTS

Title Page
................................ 5
Section
5. DIAGRAMS
5-1. Block Diagram ......................................................... 45
5-2. Circuit Boards Location .......................................... 47
5-3. Schematic Diagrams ................................................ 48
(1) Schematic Diagram of F, J3 and C1 Boards ........... 49
(2) Schematic Diagrams of A Board ............................. 51
(3) Schematic Diagram of H4 and K2 Boards ................. 67
5-4. Voltage Measurements ............................................ 71
5-5. Waveforms ............................................................... 74
5-6. Printed Wiring Boards and Parts Location .............. 75
5-7. Semiconductors ........................................................ 80
6. EXPLODED VIEWS
31 6-1. Picture Tube ............................................................. 82
31 6-2. Chassis ..................................................................... 83
7. ELECTRICAL PARTS LIST
- 4 -
Title Page
....................................... 84