Table Of Contents - Sony Trinitron KV-XA21M80 Service Manual

Section
SELF DIAGNOSIS FUNCTION
1. GENERAL
2. DISASSEMBLY
2-1. Rear Cover Removal ................................................ 25
2-2. Speaker Removal ..................................................... 25
2-3. Chassis Assy Removal ............................................. 25
2-4. F Bracket Removal .................................................. 25
2-5. J2 Board and Terminal Bracket Removal ................ 25
2-6. Service Position ....................................................... 25
2-7. Replacement of Parts ............................................... 26
2-7-1 Replacement of Light Guide ..............................................
2-7-2 Replacement of Power Button ...........................................
2-8. Picture Tube Removal .............................................. 26
2-9. Removal of Anode Cap ............................................ 27
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .......................................................... 28
3-2. Convergence Adjustment ......................................... 29
3-3. Focus Adjustment .................................................... 31
3-4. G2 (Screen) and White Balance Adjustments ......... 31
4. CIRCUIT ADJUSTMENTS
4-1. Adjustments with Commander ................................ 32
4-2. Adjustment Method ................................................. 32
4-3. Picture Quality Adjustments .................................... 37
4-4. Deflection Adjustment ............................................. 37
4-5. A Board Adjustment After IC003
(memory) Replacement ........................................... 37
4-6. Picture Distortion Adjustment ................................. 38
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TABLE OF CONTENTS

Page Section
5. DIAGRAMS
5-1. Block Diagram .......................................................... 39
5-2. Circuit Board Location ............................................. 41
5-3. Schematic Diagrams ................................................. 42
(1) Schematic Diagrams of F, J2 and C1 Boards ..... 43
(2) Schematic Diagram of A Board .......................... 45
(3) Schematic Diagram of V1Board ......................... 61
5-4. Voltage Measurements .............................................. 65
5-5. Waveforms ................................................................ 68
5-6. Printed Wiring Boards and Parts Location ............... 69
5-7. Semiconductors ......................................................... 73
6. EXPLODED VIEWS
26
26
6-1. Picture Tube .............................................................. 75
6-2. Chassis ...................................................................... 76
7. ELECTRICAL PARTS LIST
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KV-XA21M80/XA21M83/XA21M50/
KV-XA21M61/XA21M60
Title
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RM-952
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