
– 3 –
KV-XF25M50/XF25M63/XF25M67/XF25M97
RM-954 RM-953
TABLE OF CONTENTS
Section Title Page
SELF DIAGNOSIS FUNCTION................................ 4
1. GENERAL........................................................................ 8
2. DISASSEMBLY
2-1. 3D Speaker Box Removal ....................................... 43
2-2. Rear Cover Removal ................................................ 43
2-3. Chassis Assy Removal ............................................. 43
2-4. F Bracket Removal .................................................. 43
2-5. Service Position ....................................................... 44
2-6. Replacement of Parts ............................................... 44
2-6-1. Replacement of Control Button ....................... 44
2-6-2. Replacement of Light Guide ............................ 44
2-7. Terminal Bracket Removal ...................................... 44
2-8. V1 Board Removal .................................................. 45
2-9. A and B3 Boards Removal ...................................... 45
2-10. H3 Board Removal .................................................. 45
2-11. PWB Holder Removal ............................................. 45
2-12. Picture Tube Removal.............................................. 46
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .......................................................... 47
3-2. Convergence............................................................. 48
3-3. Focus Adjustment .................................................... 50
3-4. G2 (Screen) and White Balance Adjustments......... 51
4. CIRCUIT ADJUSTMENT
4-1. Adjustments with Commander ................................ 52
4-2. Adjustment Method ................................................. 53
4-3. Picture Quality Adjustments.................................... 58
4-4. Display Position Adjustment .................................. 58
4-4. A Board Adjustment After IC003 (Memory)
Replacement............................................................. 58
4-5. Picture Distortion Adjustment ................................. 59
Section Title Page
5. DIAGRAMS
5-1. Block Diagram ......................................................... 61
5-2. Frame Schematic Diagram ...................................... 65
5-3 Circuit Boards Location .......................................... 69
5-4. Schematic Diagrams and Printed Wiring Boards ... 70
(1) Schematic Diagram of A (1/2) Board...................... 73
(2) Schematic Diagram of A (2/2) Board...................... 76
(3) Schematic Diagrams of P1 and F Boards................ 83
(4) Schematic Diagrams of B2, H3, J2 and VM1
Boards ...................................................................... 91
(5) Schematic Diagram of B3 Board ............................ 95
5-5. Semiconductors....................................................... 105
6. EXPLODEDVIEWS
6-1. Speaker Bracket ...................................................... 108
6-2. Chassis .................................................................... 109
6-3. Picture Tube ............................................................ 110
6-4. 3D Speaker (Except KV-XF25M50) ...................... 111
7. ELECTRICAL PARTS LIST...................................... 112