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KV-PF21K70
RM-960
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL ..........................................................
8
2. DISASSEMBLY
2-1.
Rear Cover Removal ................................................ 18
2-2.
Chassis Assy Removal ............................................. 18
2-3.
F Bracket Removal .................................................. 18
2-4.
Service Position ....................................................... 18
2-5.
Replacement of Parts ............................................... 19
2-5-1.
Replacement of Control Button .......................
19
2-5-2.
Replacement of Bar Control .............................
19
2-6.
Terminal Bracket Removal ...................................... 19
2-7.
Degauss Coil Removal ............................................. 19
2-8.
Picture Tube Removal .............................................. 20
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing .......................................................... 21
3-2.
Convergence ............................................................. 22
3-3.
Focus Adjustment .................................................... 24
3-4.
G2 (Screen) and White Balance Adjustments ......... 24
4. CIRCUIT ADJUSTMENTS
4-1.
Adjustments with Commander ................................ 25
4-2.
Adjustment Method ................................................. 26
4-3.
Picture Quality Adjustments .................................... 31
4-4.
A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 31
4-5.
Picture Distortion Adjustment ................................. 32
Section
Title
Page
5. DIAGRAMS
5-1
Block Diagram ......................................................... 35
5-2
Frame Schematic Diagram ...................................... 38
5-3
Circuit Boards Location .......................................... 40
5-4
Schematic Diagrams and Printed Wiring Boards ... 40
(1)
Schematic Diagram of A(1/2) Board ....................... 41
(2)
Scheamtic Diagram of A(2/2) Board ....................... 45
(3)
Schematic Diagrams of C3 and VM1 Boards ......... 52
(4)
Schematic Diagram of F Board ............................... 57
5-5
Semicondutors ......................................................... 59
6. EXPLODED VIEW
6-1.
Chassis ..................................................................... 61
7. ELECTRICAL PARTS LIST
...................................
63
