– 3 –
KV-ES34M81/ES34M91
RM-916
TABLE OF CONTENTS
Section Title Page
SELF DIAGNOSIS FUNCTION................................ 4
1. GENERAL........................................................................ 8
2. DISASSEMBLY
2-1. Rear Cover Removal................................................ 33
2-2. Speaker Box Removal ............................................. 33
2-3. H3 Board Removal .................................................. 33
2-4. Chassis Assy Removal ............................................. 34
2-5. Service Position ....................................................... 34
2-6. DH Board Removal ................................................. 34
2-7. J Board Removal...................................................... 34
2-8. B3, D1 and E Boards Removal................................ 35
2-9. A and D Boards Removal ........................................ 35
2-10. H1 Board Removal .................................................. 35
2-11. F2 Board Removal ................................................... 35
2-12. Demagnetization Coil Removal .............................. 36
2-13. Top Switch Removal................................................ 36
2-14. G2 Lead Removal .................................................... 36
2-15. Picture Tube Removal.............................................. 37
2-16. Frame Sub-Assy Disassembly ................................. 37
3. SERVICE JIG
3-1. Jigs Required for Servicing ..................................... 40
4. SET-UP ADJUSTMENTS
4-1. Beam Landing .......................................................... 41
4-2. Convergence Adjustment......................................... 42
4-3. Focus Adjustment .................................................... 44
4-4. Neck Assy Twist Adjustment................................... 44
4-5. G2 (Screen) and White Balance Adjustments......... 45
5. CIRCUIT ADJUSTMENTS
5-1. Adjustments with Commander ................................ 46
5-2. Adjustment Method ................................................. 47
5-3. Picture Quality Adjustments.................................... 61
5-4. Deflection Adjustments ........................................... 63
5-5. A Board Adjustment After IC003 (Memory)
Replacement............................................................. 64
5-6. Picture Distortion Adjustment................................. 65
Section Title Page
6. DIAGRAMS
6-1. Block Diagram ......................................................... 69
6-2. Frame Schematic Diagrams.................................... 87
6-3. Circuit Boards Location ......................................... 90
6-4. Schematic Diagrams and Printed Wiring Boards .. 90
(1) Schematic Diagram of A Board ............................. 95
(2) Schematic Diagram of D Board ............................. 99
(3) Schematic Diagram of D1 Board ........................... 107
(4) Schematic Diagrams of C, F1 and VM Boards...... 115
(5) Schematic Diagram of E Board .............................. 119
(6) Schematic Diagrams of H1, H2 and H3 Boards .... 126
(7) Schematic Diagrams of B3 (1/6), E2 Boards ......... 131
(8) Schematic Diagram of B3 (2/6) Board .................. 135
(9) Schematic Diagram of B3 (3/6) Board .................. 139
(10) Schematic Diagram of B3 (4/6) Board .................. 143
(11) Schematic Diagram of B3 (5/6) Board .................. 147
(12) Schematic Diagram of B3 (6/6) Board .................. 151
(13) Schematic Diagram of F2 Board............................ 155
(14) Schematic Diagram of A1 Board ........................... 161
(15) Schematic Diagrams of BC4, DH and V Boards ... 166
(16) Schematic Diagram of J Board ............................... 177
6-5. Semiconductors....................................................... 182
7. EXPLODED VIEWS
7-1. Speaker Bracket ...................................................... 187
7-2. Chassis .................................................................... 188
7-3. Picture Tube ............................................................ 189
8. ELECTRICAL PARTS LIST...................................... 190