Table Of Contents - Sony KV-XA29K94 Service Manual

Section
SELF DIAGNOSIS FUNCTION ........................
1. GENERAL
..................................................... 7
2. DISASSEMBLY
2-1. Rear Cover Removal ............................................ 25
2-2. Speaker Removal ................................................. 25
2-3. Chassis Assy Removal ......................................... 25
2-4. F Bracket Removal .............................................. 25
2-5. Service Position ................................................... 26
2-6. Replacement of Parts ........................................... 26
2-6-1Replacement of Light Guide ................................
2-6-2Replacement of Power Button .............................
2-7. HV Cap Block, PWB Holder and
J Board Removal ..................................................... 26
2-8. Terminal Bracket Removal .................................. 26
2-9. D2 and D3 Boards Removal ............................... 27
2-10. P2 Board Removal ............................................... 27
2-11. H Board Removal ................................................ 27
2-12. A and B Boards Removal .................................... 27
2-13. Picture Tube Removal .......................................... 28
3. ADVANCE OPERATION
3-1. "RESET" Function ............................................... 29
4. SET-UP ADJUSTMENTS
4-1. Beam Landing ................................................... 30
4-2. Convergence ................................................... 31
4-3. Focus Adjustment ................................................ 33
4-4. G2 (Screen) and White Balance Adjustments ..... 34
5. CIRCUIT ADJUSTMENTS
5-1. Adjustments with Commander ............................ 35
5-2. Adjustment Method ............................................. 35
5-3. Picture Quality Adjustments ................................ 40
5-4. Display position Adjustment ............................... 40
5-5. Deflection Adjustment ......................................... 40
5-6. H-Trapezoid Adjustment .................................... 41
5-7. A Board Adjustment After IC003
(memory) Replacement ....................................... 41
5-8. Picture Distortion Adjustment ............................. 42

TABLE OF CONTENTS

Title Page
4
26
26
Section
6. DIAGRAMS
6-1. Block Diagram ..................................................... 43
6-2. Circuit Boards Location ...................................... 45
6-3. Schematic Diagrams ............................................ 47
(1) Schematic Diagrams of F, J
and VM1 Boards ............................................ 47
(2) Schematic Diagram of A Board .................... 49
(3) Schematic Diagram of B Board .................... 65
(4) Schematic Diagram of P2 Board ................... 73
(5) Schematic Diagram of C6 Board ................. 75
(6) Schematic Diagram of H Board .................... 77
(7) Schematic Diagram of D2 Board .................. 79
(8) Schematic Diagram of D3 Board .................. 81
6-4. Voltage Measurements ......................................... 83
6-5. Waveforms ........................................................... 93
6-6. Printed Wiring Boards and Parts Location .......... 95
6-7. Semiconductors .................................................. 103
7. EXPLODED VIEWS
7-1. Picture Tube ....................................................... 105
7-2. Chassis ............................................................... 106
8. ELECTRICAL PARTS LIST
- 3 -
KV-XA29K94/XA34K94
Title Page
............................... 107
RM-962