Read Sony KV-HA21M80 (serv.man3) Service Manual online
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KV-HA21M80
RM-969
TABLE OF CONTENTS
SELF DIAGNOSIS FUNCTION ...................................... 4
1. GENERAL ................................................................. 7
2. DISASSEMBLY
2-1. Rear Cover Removal ............................................... 11
2-2. Speaker Removal .................................................... 11
2-3. Chassis Assy Removal ............................................ 11
2-4. Service Position ...................................................... 11
2-5. Terminal Bracket Removal ..................................... 11
2-6. Replacement Of Parts ............................................. 11
2-2. Speaker Removal .................................................... 11
2-3. Chassis Assy Removal ............................................ 11
2-4. Service Position ...................................................... 11
2-5. Terminal Bracket Removal ..................................... 11
2-6. Replacement Of Parts ............................................. 11
2-6-1. Replacement Of Light Guide ....................... 11
2-6-2. Replacement Of Power Button .................... 11
2-6-2. Replacement Of Power Button .................... 11
2-7. Picture Tube Removal ............................................. 12
3. SET-UP ADJUSTMENTS
3-1. Beam Landing ......................................................... 13
3-2. Convergence ............................................................ 14
3-3. Focus Adjustment .................................................... 16
3-4. G2 (SCREEN) and White Balance Adjustments ... 16
3-2. Convergence ............................................................ 14
3-3. Focus Adjustment .................................................... 16
3-4. G2 (SCREEN) and White Balance Adjustments ... 16
4. CIRCUIT ADJUSTMENTS
4-1. Adjustment With Commander ................................ 17
4-2. Adjustment Method ................................................ 17
4-3. Picture Quality Adjustment .................................... 23
4-4. Deflection Adjustment ............................................ 23
4-5. A Board Adjustment After IC003 (MEMORY)
4-2. Adjustment Method ................................................ 17
4-3. Picture Quality Adjustment .................................... 23
4-4. Deflection Adjustment ............................................ 23
4-5. A Board Adjustment After IC003 (MEMORY)
Replacement ............................................................ 23
4-6. Picture Distortion Adjustment ................................ 24
Section
Title
Page
Section
Title
Page
5. DIAGRAMS
5-1. Block Diagram ........................................................ 25
5-2. Circuit Boards Location .......................................... 27
5-3. Schematic Diagram ................................................. 28
5-2. Circuit Boards Location .......................................... 27
5-3. Schematic Diagram ................................................. 28
(1) A Board Schematic Diagram ............................ 29
(3) CV Board Schematic Diagrams ........................ 31
(3) CV Board Schematic Diagrams ........................ 31
5-4. Voltage Measurement ............................................. 32
5-5. Waveforms .............................................................. 35
5-6. Printed Wiring Boards and Parts Location ............. 36
5-7. Semiconductors ....................................................... 39
5-5. Waveforms .............................................................. 35
5-6. Printed Wiring Boards and Parts Location ............. 36
5-7. Semiconductors ....................................................... 39
6. EXPLODED VIEWS
6-1. Picture Tube and Chassis ........................................ 41
7. ELECTRICAL PARTS LIST .................................... 42
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