– 4 –
KV -ES34M61/ES34N90
RM-916 RM-958
TABLE OF CONTENTS
Section Title Page
SELF DIAGNOSIS FUNCTION................................ 5
1. GENERAL........................................................................ 9
2. DISASSEMBLY
2-1. Rear Cover Removal................................................ 58
2-2. Speaker Box Removal ............................................. 58
2-3. H2 Board Removal .................................................. 58
2-4. Chassis Assy Removal ............................................. 59
2-5. Service Position ....................................................... 59
2-6. DH Board Removal ................................................. 59
2-7. J Board Removal...................................................... 59
2-8. B3, D1 and E Boards Removal ................................ 60
2-9. A and D Boards Removal........................................ 60
2-10. H1 Board Removal .................................................. 60
2-11. F2 Board Removal ................................................... 60
2-12. Demagnetization Coil Removal .............................. 61
2-13. Top Switch Removal................................................ 61
2-14. G2 Lead Removal .................................................... 61
2-15. Picture Tube Remov al.............................................. 62
2-16. Frame Sub Assy Disassembly ................................. 62
3. SERVICE JIG
3-1. Jig Required for Servicing....................................... 65
4. SET-UP ADJUSTMENTS
4-1. Beam Landing.......................................................... 66
4-2. Convergence............................................................. 67
4-3. Focus Adjustment .................................................... 69
4-4. Neck Assy Twist Adjustment................................... 69
4-5. G2 (Screen) and White Balance Adjustments......... 70
5. CIRCUIT ADJUSTMENTS
5-1. Adjustments with Commander ................................ 71
5-2. Adjustment Method ................................................. 72
5-3. Picture Quality Adjustments.................................... 86
5-4. Deflection Adjustments ........................................... 88
5-5. A Board Adjustment After IC003 (Memory)
Replacement............................................................. 89
5-6. Picture Distortion Adjustment................................. 90
Section Title Page
6. DIAGRAMS
6-1. Block Diagram....................................................... 95
6-2. Frame Schematic Diagram .................................... 113
6-3 Circuit Boards Location ........................................ 116
6-4. Schematic Diagrams and Printed Wiring Boards . 116
(1) Schematic Diagram of A Board ............................ 121
(2) Schematic Diagram of D Board ............................ 125
(3) Schematic Diagrams of D1 Board......................... 133
(4) Schematic Diagrams of C, F1 and VM Boards..... 141
(5) Schematic Diagram of E Board............................. 145
(6) Schematic Diagrams of H1, H2 and H3 Boards ... 152
(7) Schematic Diagram of B3 (1/6) Board ................. 157
(8) Schematic Diagram of B3 (2/6) Board ................. 161
(9) Schematic Diagram of B3 (3/6) Board ................. 165
(10) Schematic Diagram of B3 (4/6) Board ................. 169
(11) Schematic Diagram of B3 (5/6) Board ................. 173
(12) Schematic Diagrams of B3 (6/6) and F2 Boards .. 177
(13) Schematic Diagram of DH Board ......................... 181
(14) Schematic Diagrams of A1 and E2 Boards........... 187
(15) Schematic Diagrams of BC4 and V Boards.......... 192
(16) Schematic Diagram of J Board.............................. 203
6-5. Semiconductors...................................................... 208
7. EXPLODED VIEWS
7-1. Speaker Bracket ...................................................... 213
7-2. Chassis .................................................................... 214
7-3. Picture Tube ............................................................ 215
8. ELECTRICAL PARTS LIST...................................... 216