Table Of Contents - Sony KV-XF25M30 Service Manual

Section
SELF DIAGNOSIS FUNCTION
1. GENERAL
........................................................................ 8
2. DISASSEMBLY
2-1. 3D Speaker Box Removal ....................................... 28
2-2. Rear Cover Removal ................................................ 28
2-3. Chassis Assy Removal ............................................. 28
2-4. F Bracket Removal .................................................. 28
2-5. Service Position ....................................................... 29
2-6. Replacement of Parts ............................................... 29
2-6-1. Replacement of Control Button .......................
2-6-2. Replacement of Light Guide ............................
2-7. PWB Holder Removal ............................................. 29
2-8. Terminal Bracket Removal ...................................... 30
2-9. V1 Board Removal .................................................. 30
2-10. H3 Board Removal .................................................. 30
2-11. A and B3 Boards Removal ...................................... 30
2-12. Picture Tube Removal .............................................. 31
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .......................................................... 32
3-2. Convergence ............................................................. 33
3-3. Focus Adjustment .................................................... 35
3-4. G2 (Screen) and White Balance Adjustments ......... 36
4. CIRCUIT ADJUSTMENT
4-1. Adjustments with Commander ................................ 37
4-2. Adjustment Method ................................................. 38
4-3. Picture Quality Adjustments .................................... 43
4-4. A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 43
4-5. Picture Distortion Adjustment ................................. 44

TABLE OF CONTENTS

Title Page
................................ 4
29
29
Section
5. DIAGRAMS
5-1. Block Diagram ......................................................... 47
5-2. Frame Schematic Diagram ...................................... 50
5-3 Circuit Boards Location .......................................... 53
5-4. Schematic Diagrams and Printed Wiring Boards ... 54
(1) Schematic Diagram of A (1/2) Board ...................... 57
(2) Schematic Diagrams of A (2/2), F and J2 Boards .. 61
(3) Schematic Diagrams of V1 and VM1 Boards ......... 65
(4) Schematic Diagram of B3 Board
(for KV-XF25M30/XF25M50/XF25M90) .............. 68
(5) Schematic Diagram of B3 Board
(for KV-XF25M63/XF25M65) ................................ 71
(6) Schematic Diagrams of B2, C and H3 Boards ........ 77
5-5. Semiconductors ........................................................ 80
6. EXPLODED VIEWS
6-1. Speaker Bracket ....................................................... 83
6-2. Chassis ..................................................................... 84
6-3. Picture Tube ............................................................. 85
6-4. 3D Speaker (KV-XF25M63/XF25M65 only) ......... 86
7. ELECTRICAL PARTS LIST
- 3 -
KV-XF25M30/XF25M50/XF25M63
KV-XF25M65/XF25M90
Title
....................................... 87
RM-954
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