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KV-G21L3
RM-883
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
5. CIRCUIT ADJUSTMENTS
5-1.
Adjustment With Commander ................................. 19
5-2.
Adjustment Method ................................................. 20
5-3.
A Board, Adjustment After IC003
(MEMORY) Replacement ....................................... 23
(MEMORY) Replacement ....................................... 23
5-4.
Picture Distortion Adjustment ................................. 23
6. DIAGRAMS
6-1.
Block Diagram ......................................................... 25
6-2.
Circuit Boards Location .......................................... 27
6-3.
Schematic Diagrams and Printed Wiring Boards ... 27
(1)
Schematic Diagram of A Board .............................. 31
(2)
Schematic Diagram of C Board ............................. 35
6-4.
Semiconductors ........................................................ 37
7. EXPLODED VIEW
......................................................... 39
8. ELECTRICAL PARTS LIST
....................................... 41
1. GENERAL
........................................................................
4
2. DISASSEMBLY
2-1.
Rear Cover Removal ................................................ 11
2-2.
A Board Removal .................................................... 11
2-3.
Service Position ....................................................... 11
2-4.
Replacement of parts ............................................... 12
2-4-1.
Replacement of Multi Button ...........................
12
2-4-2.
Replacement of Light Guide and Power Button
.................................................................. 12
2-5.
Demagnetization Coil Removal .............................. 12
2-6.
Picture Tube Removal .............................................. 13
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 Adjustment .......... 17
4. SELF DIAGNOSIS FUNCTION
................................ 18
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