Sony Trinitron KV-G21MW3, Руководство по обслуживанию

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KV-G21MW3/G21QW3
RM-869
TABLE OF CONTENTS
SELF DIAGNOSIS FUNCTION .................................. 4
1. GENERAL
.................................................................... 5
2. DISASSEMBLY
2-1. Rear Cover Removal ............................................ 10
2-2. A Board Removal ................................................ 10
2-3. Service Position ................................................... 10
2-4. Replacement of Parts ........................................... 11
2-4-1. Replacement of Multi Button ....................................
11
2-4-2. Replacement of Light Guide .....................................
11
2-5. Terminal Board Bracket Removal ....................... 11
2-6. Demagnetization Coil Removal .......................... 11
2-7. Picture Tube Removal .......................................... 12
3. SET-UP ADJUSTMENTS
3-1. Beam Landing ...................................................... 13
3-2. Convergence ......................................................... 14
3-3. Focus Adjustment ................................................ 15
3-4. Remote Commander Adjustment ........................ 16
3-5. G2 (Screen) and White Balance Adjustments ..... 16
4. CIRCUIT ADJUSTMENTS
4-1. Adjustments with Commander ............................ 17
4-2. Adjustment Method ............................................. 18
4-3. A Board Adjustment after IC003 (Memory)
Replacement .........................................................
23
4-4. Picture Distortion Adjustment ............................. 23
5. DIAGRAMS
5-1. Block Diagram ...................................................... 25
5-2. Circuit Boards Location ....................................... 28
5-3. Schematic Diagrams and Printed Wiring Boards 28
(1) Schematic Diagram of A Board ........................... 33
(2) Schematic Diagram of C Board ........................... 37
5-4. Semiconductors ..................................................... 41
6. EXPLODED VIEW
6-1. Chassis .................................................................. 43
7. ELECTRICAL PARTS LIST
.................................... 45
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