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KV-T25MF1K
RM-883
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 ...........................................
11
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 .....
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 .........................................................
Replacement .........................................................
22
5-4.
Picture Distortion Adjustment .............................
22
6. DIAGRAMS
6-1.
Block Diagrams ....................................................
23
6-2.
Circuit Boards Location .......................................
26
6-3.
Schematic Diagrams and Printed Wiring Boards
(1)
Schematic Diagram of A Board ............................
31
(2)
Schematic Diagrams of A11, A12, C and
VM Boards ............................................................
VM Boards ............................................................
35
6-4.
Semiconductors .....................................................
41
7. EXPLODED VIEW
7-1.
Chassis ..................................................................
43
8. ELECTRICAL PARTS LIST
....................................
45
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