Read Sony KV-HA21M50 Service Manual online
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KV-HA21M50/HA21M60/HA21M80/
KV-HA21M80/H/HA21M81/HA21P52
RM-969
TABLE OF CONTENTS
SELF DIAGNOSTIC FUNCTION ................................... 4
1. GENERAL ................................................................. 7
2. DISASSEMBLY
2-1. Rear Cover Removal ............................................... 13
2-2. Speaker Removal .................................................... 13
2-3. Chassis Assy Removal ............................................ 13
2-4. Service Position ...................................................... 13
2-5. Terminal Bracket Removal ..................................... 13
2-6. Replacement Of Parts ............................................. 13
2-2. Speaker Removal .................................................... 13
2-3. Chassis Assy Removal ............................................ 13
2-4. Service Position ...................................................... 13
2-5. Terminal Bracket Removal ..................................... 13
2-6. Replacement Of Parts ............................................. 13
2-6-1. Replacement Of Light Guide ....................... 13
2-6-2. Replacement Of Power Button .................... 13
2-6-2. Replacement Of Power Button .................... 13
2-7 Picture Tube Removal ............................................. 14
3. SET-UP ADJUSTMENTS
3-1. Beam Landing ......................................................... 15
3-2. Convergence ............................................................ 16
3-3. Focus Adjustment .................................................... 18
3-4. G2 (SCREEN) and White Balance Adjustments ... 18
3-2. Convergence ............................................................ 16
3-3. Focus Adjustment .................................................... 18
3-4. G2 (SCREEN) and White Balance Adjustments ... 18
4. CIRCUIT ADJUSTMENTS
4-1. Adjustment With Commander ................................ 19
4-2. Adjustment Method ................................................ 19
4-3. Picture Quality Adjustment .................................... 25
4-4. Deflection Adjustment ............................................ 25
4-5. A Board Adjustment After IC003 (MEMORY)
4-2. Adjustment Method ................................................ 19
4-3. Picture Quality Adjustment .................................... 25
4-4. Deflection Adjustment ............................................ 25
4-5. A Board Adjustment After IC003 (MEMORY)
Replacement ............................................................ 25
4-6. Picture Distortion Adjustment ................................ 26
Section
Title
Page
Section
Title
Page
5. DIAGRAMS
5-1. Block Diagram ........................................................ 27
5-2. Circuit Boards Location .......................................... 29
5-3. Schematic Diagram ................................................. 30
5-2. Circuit Boards Location .......................................... 29
5-3. Schematic Diagram ................................................. 30
(1) A3 Board Schematic Diagram .......................... 31
(2) A Board Schematic Diagram ............................ 33
(3) V2 Board Schematic Diagram .......................... 37
(4) CV Board Schematic Diagram ......................... 39
(2) A Board Schematic Diagram ............................ 33
(3) V2 Board Schematic Diagram .......................... 37
(4) CV Board Schematic Diagram ......................... 39
5-4. Voltage Measurement ............................................. 43
5-5. Waveforms .............................................................. 47
5-6. Printed Wiring Boards and Parts Location ............. 49
5-7. Semiconductors ....................................................... 53
5-5. Waveforms .............................................................. 47
5-6. Printed Wiring Boards and Parts Location ............. 49
5-7. Semiconductors ....................................................... 53
6. EXPLODED VIEWS
6-1. Picture Tube and Chassis ........................................ 55
7. ELECTRICAL PARTS LIST .................................... 57
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