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KV-HA14M80/HA14M90
RM-969
TABLE OF CONTENTS
SELF DIAGNOSTIC 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. F Board Removal .................................................... 11
2-5. Service Position ...................................................... 11
2-6. Terminal Bracket Removal ..................................... 11
2-7. Replacement Of Parts ............................................. 12
2-7-1. Replacement Of Light Guide ....................... 12
2-7-2. Replacement Of Power Button .................... 12
2-8. Picture Tube Removal ............................................. 12
3. SET-UP ADJUSTMENTS
3-1. Beam Landing ......................................................... 14
3-2. Convergence ............................................................ 15
3-3. Focus Adjustment .................................................... 17
3-4. G2 (SCREEN) and White Balance Adjustments ... 17
4. CIRCUIT ADJUSTMENTS
4-1. Adjustment With Commander ................................ 18
4-2. Adjustment Method ................................................ 18
4-3. Picture Quality Adjustment .................................... 24
4-4. Deflection Adjustment ............................................ 24
4-5. A Board Adjustment After IC003 (MEMORY)
Replacement ............................................................ 24
4-6. Picture Distortion Adjustment ................................ 25
Section
Title
Page
Section
Title
Page
5. DIAGRAMS
5-1. Block Diagram ........................................................ 26
5-2. Circuit Boards Location .......................................... 28
5-3. Schematic Diagram ................................................. 29
(1) A Board Schematic Diagram ............................ 30
(2) A3 Board Schematic Diagram .......................... 32
(3) C and F Boards Schematic Diagrams ............... 34
5-4. Voltage Measurement ............................................. 37
5-5. Waveforms .............................................................. 39
5-6. Printed Wiring Boards and Parts Location ............. 40
5-7. Semiconductors ....................................................... 44
6. EXPLODED VIEWS
6-1. Picture Tube and Chassis ........................................ 46
7. ELECTRICAL PARTS LIST ....................................
48
