
– 3 –
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. EXPLODEDVIEW
6-1. Chassis ..................................................................... 61
7. ELECTRICAL PARTS LIST................................... 63