– 3 –
KV-ES34M31/ES34M61/ES34M80/ES34M90
RM-916
TABLE OF CONTENTS
Section Title Page
SELF DIAGNOSIS FUNCTION................................ 4
1. GENERAL........................................................................ 8
2. DISASSEMBLY
2-1. Rear Cover Removal................................................ 34
2-2. Speaker Box Removal ............................................. 34
2-3. H3 Board Removal .................................................. 34
2-4. Chassis Assy Removal ............................................. 35
2-5. Service Position ....................................................... 35
2-6. DH Board Removal ................................................. 35
2-7. J Board Removal...................................................... 35
2-8. B3, D1 and E Boards Removal................................ 36
2-9. A and D Boards Removal ........................................ 36
2-10. H1 Board Removal .................................................. 36
2-11. F2 Board Removal ................................................... 36
2-12. Demagnetization Coil Removal .............................. 37
2-13. Top Switch Removal................................................ 37
2-14. G2 Lead Removal .................................................... 37
2-15. Picture Tube Removal.............................................. 38
2-16. Frame Sub-Assy Disassembly ................................. 38
3. SERVICE JIG
3-1. Jigs Required for Servicing ..................................... 41
4. SET-UP ADJUSTMENTS
4-1. Beam Landing .......................................................... 42
4-2. Convergence Adjustment......................................... 43
4-3. Focus Adjustment .................................................... 45
4-4. Neck Assy Twist Adjustment................................... 45
4-5. G2 (Screen) and White Balance Adjustments......... 46
5. CIRCUIT ADJUSTMENTS
5-1. Adjustments with Commander ................................ 47
5-2. Adjustment Method ................................................. 48
5-3. Picture Quality Adjustments.................................... 59
5-4. Deflection Adjustments ........................................... 61
5-5. A Board Adjustment After IC003 (Memory)
Replacement............................................................. 62
5-6. Picture Distortion Adjustment................................. 63
Section Title Page
6. DIAGRAMS
6-1. Block Diagram ......................................................... 67
6-2. Frame Schematic Diagrams..................................... 85
6-3. Circuit Boards Location .......................................... 88
6-4. Schematic Diagrams and Printed Wiring Boards ... 88
(1) Schematic Diagram of A Board .............................. 93
(2) Schematic Diagram of D Board .............................. 97
(3) Schematic Diagram of D1 Board ........................... 105
(4) Schematic Diagrams of C, F1 and VM Boards...... 113
(5) Schematic Diagram of E Board .............................. 117
(6) Schematic Diagrams of H1, H2 and H3 Boards .... 124
(7) Schematic Diagram of B3 (1/6) Board .................. 129
(8) Schematic Diagram of B3 (2/6) Board .................. 133
(9) Schematic Diagram of B3 (3/6) Board .................. 137
(10) Schematic Diagram of B3 (4/6) Board .................. 140
(11) Schematic Diagram of B3 (5/6) Board .................. 143
(12) Schematic Diagram of B3 (6/6) Board .................. 147
(13) Schematic Diagram of F2 Board ............................ 151
(14) Schematic Diagram of A1 Board ........................... 153
(15) Schematic Diagrams of BC4, DH and V Boards ... 158
(16) Schematic Diagram of J Board............................... 167
6-5. Semiconductors....................................................... 172
7. EXPLODED VIEWS
7-1. Speaker Bracket ...................................................... 177
7-2. Chassis .................................................................... 178
7-3. Picture Tube ............................................................ 179
8. ELECTRICAL PARTS LIST...................................... 180