Table Of Contents - Sony TRINITRON KV-XA21M8J Service Manual

Section
SELF DIAGNOSIS FUNCTION
1. GENERAL
........................................................................ 7
2. DISASSEMBLY
2-1. Rear Cover Removal ................................................ 20
2-2. Speaker Removal ..................................................... 20
2-3. Chassis Assy Removal ............................................. 20
2-4. F Bracket Removal .................................................. 20
2-5. J2 Board and Terminal Bracket Removal ................ 20
2-6 Service Position ....................................................... 21
2-7 Replacement of Parts ............................................... 21
2-7-1. Replacement of Light Guide ..........................................
2-7-2. Replacement of Power Button ........................................
2-8. Picture Tube Removal .............................................. 21
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .......................................................... 23
3-2. Convergence Adjustment ......................................... 24
3-3. Focus Adjustment .................................................... 26
3-4. G2 (Screen) and White Balance Adjustments ......... 26
4. CIRCUIT ADJUSTMENT
4-1. Adjustments with Commander ................................ 27
4-2. Adjustment Method ................................................. 27
4-3. Picture Quality Adjustments .................................... 32
4-4 Deflection Adjustment ............................................. 32
4-5. A Board Adjustment After IC003
(memory) Replacement ........................................... 32
4-6. Picture Distortion Adjustment ................................. 33

TABLE OF CONTENTS

Title Page
................................ 4
21
21
Section
5. DIAGRAMS
5-1. Block Diagram ......................................................... 35
5-2. Circuit Boards Location .......................................... 37
5-3. Schematic Diagrams ................................................ 38
(1) Schematic Diagram of F, J2 and C1 Boards ........... 39
(2) Schematic Diagrams of A Board ............................. 41
5-4. Voltage List Measurements .................................... 57
5-5. Waveforms ............................................................... 60
5-6. Printed Wiring Boards and Parts Location .............. 61
5-7. Semiconductors ........................................................ 65
6. EXPLODED VIEWS
6-1. Picture Tube ............................................................. 67
6-2. Chassis ..................................................................... 68
7. ELECTRICAL PARTS LIST
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KV-XA21M8J/XA21MSJ
Title Page
....................................... 69
RM-952