Sony KV-G14K3, Service Manual

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KV-G14K3/G21K3
RM-870
TABLE OF CONTENTS
1. GENERAL
.................................................................... 4
2. DISASSEMBLY
2-1. Rear Cover Removal ........................................... 10
2-2. A Board Removal ................................................ 10
2-3. Service Position ................................................... 10
2-4. Replacement of Parts ........................................... 10
2-5. Demagnetization Coil Removal .......................... 11
2-6. 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 ..... 17
4. SELF DIAGNOSIS FUNCTION ......................
18
5. CIRCUIT ADJUSTMENTS
5-1. Adjustments with Commander ............................ 19
5-2. Adjustment Method ............................................. 20
5-3. A Board Adjustment after IC003 (Memory)
Replacement .........................................................
23
5-4. Picture Distortion Adjustment ............................. 23
6. DIAGRAMS
6-1. Block Diagrams .................................................... 25
6-2. Circuit Boards Location ....................................... 27
6-3. Schematic Diagrams and Printed Wiring Boards
(1) Schematic Diagram of A Board ............................ 31
(2) Schematic Diagrams of A11 and C Boards .......... 35
6-4. Semiconductors ..................................................... 39
7. EXPLODED VIEWS
7-1. Chassis (KV-G14K3) ............................................ 41
7-2. Chassis (KV-G21K3) ............................................ 42
8. ELECTRICAL PARTS LIST .............................
43
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