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KV-2168KF7
RM-883
TABLE OF CONTENTS
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 Control Button.............................. 11
2-5.
Demagnetization Coil and 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............................................................ 22
Replacement............................................................ 22
5-4.
Picture Distortion Adjustment ................................ 22
Section
Title
Page
Section
Title
Page
6. DIAGRAMS
6-1.
Block Diagram ........................................................ 23
6-2.
Circuit Boards Location ......................................... 26
6-3.
Schematic Diagrams and Printed Wiring Boards ... 26
(1)
Schematic Diagrams of A and A4 Boards .............. 31
(2)
Schematic Diagrams of A11, A12 and C Boards ... 35
6-4.
Semiconductors ....................................................... 41
7. EXPLODED VIEW
7-1.
Chassis .................................................................... 43
8. ELECTRICAL PARTS LIST ...............................
45
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