Table Of Contents - Sony TRINITRON KV-ES38M31 Service Manual

Section
SELF DIAGNOSTIC FUNCTION........................... 4
1. GENERAL ........................................................ 7
2. DISASSEMBLY
2-1. Rear Cover Removal .............................................. 33
2-2. Speaker Box Removal ........................................... 33
2-3. H2 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 Boards Removal ............................................... 35
2-11. F2 Board Removal ................................................. 35
2-12. Demagnetization Coil Removal ............................ 36
2-13. Top Switch Removal
(H3 Board 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. CIRCUIT BOARDS LOCATION ..................... 40
5. SET-UP ADJUSTMENTS
5-1. Beam Landing ........................................................ 41
5-2. Convergence Adjustment ....................................... 42
5-3. Focus Adjustment .................................................. 44
5-4. Neck Assy Twist Adjustment ................................ 44
5-5. G2 (Screen) and White Balance Adjustment ........ 45

TABLE OF CONTENTS

Title Page
KV-ES38M31/ES38M61/ES38M90/ES38M91
Section
6. CIRCUIT ADJUSTMENTS
6-1. Adjustment with Commander ............................... 46
6-2. Asjustment Method ............................................... 46
6-3. Picture Quality Adjustment ................................... 59
6-4. Deflection Adjustment ........................................... 60
6-5. A Board Ajustment After IC003 (Memory)
Replacement .......................................................... 62
6-6. Picture Distortion Adjustment ............................... 63
7. DIAGRAMS
7-1. Block Diagram ....................................................... 65
7-2. Schematic Diagram ................................................ 70
(1) Schematic Diagram of A Board ....................... 77
(2) Schematic Diagram of D Board ...................... 78
(3) Schematic Diagram of D1 Board .................... 79
(4) Schematic Diagram of C Board ....................... 80
(5) Schematic Diagram of E Board ....................... 81
(6) Schematic Diagram of J Board ........................ 82
(7) Schematic Diagrams of VM and F1 Boards .... 83
(8) Schematic Diagrams of H1, H3, F2 and
SP Boards ......................................................... 84
(9) Schematic Diagrams of DH and H2 Boards ... 85
(10) Schematic Diagram of A1 Board ................... 86
(11) Schematic Diagram of BC4 Board ................ 97
(12) Schematic Diagram of V Board ..................... 98
(13) Schematic Diagram of B3 Board ................... 99
7-3. Voltage Measurement .......................................... 114
7-4. Waveforms ........................................................... 127
7-5. Printed Wiring Board and Parts Location ........... 131
7-6. Semiconductors ................................................... 147
8. EXPLODED VIEWS
8-1. Speaker Bracket ................................................... 150
8-2. Chassis ................................................................. 151
8-3. Picture Tube ......................................................... 152
9. ELECTRICAL PARTS LIST ......................... 153
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Title Page
RM-916