Sony TRINITRON KV-T21MN8, Руководство по обслуживанию

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KV-T21MN8/T21MN81
RM-870
TABLE OF CONTENTS
1. GENERAL
.................................................................... 4
2. DISASSEMBLY
2-1. Rear Cover Removal ........................................... 10
2-2. A Board Removal ................................................ 10
2-3. F1 Board Removal ............................................... 10
2-4. Service Position ................................................... 10
2-5. Replacement of Parts ........................................... 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 ................................................ 16
3-4. G2 (Screen) and White Balance Adjustments ..... 16
4. SELF DIAGNOSIS FUNCTION
............................. 17
5. CIRCUIT ADJUSTMENTS
5-1. Adjustments with Commander ............................ 18
5-2. Adjustment Method ............................................. 19
5-3. A Board Adjustment after IC003 (Memory)
Replacement .........................................................
23
5-4. Picture Distortion Adjustment ............................. 23
6. DIAGRAMS
6-1. Block Diagram ...................................................... 25
6-2. Circuit Boards Location ....................................... 29
6-3. Schematic Diagrams and Printed Wiring Boards. 29
(1) Schematic Diagram of A Board ............................ 33
(2) Schematic Diagrams of A3, F1 and V1 Boards ... 37
(3) Schematic Diagrams of C and VM Boards .......... 44
6-4. Semiconductors ..................................................... 49
7. EXPLODED VIEW
7-1. Chassis .................................................................. 51
8. ELECTRICAL PARTS LIST
.................................... 53
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