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KV-XF25M21/XF25M63/XF25M93
RM-954
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL
........................................................................
8
2. DISASSEMBLY
2-1.
3D Speaker Box Removal ....................................... 25
2-2.
Rear Cover 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
2-6-1.
Replacement of Control Button .......................
26
2-6-2.
Replacement of Light Guide ............................
26
2-7.
PWB Holder Removal ............................................. 26
2-8.
Terminal Bracket Removal ...................................... 27
2-9.
V1 Board Removal .................................................. 27
2-10. H3 Board Removal .................................................. 27
2-11. A and B3 Boards Removal ...................................... 27
2-12. Picture Tube Removal .............................................. 28
2-11. A and B3 Boards Removal ...................................... 27
2-12. Picture Tube Removal .............................................. 28
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing .......................................................... 29
3-2.
Convergence ............................................................. 30
3-3.
Focus Adjustment .................................................... 32
3-4.
G2 (Screen) and White Balance Adjustments ......... 33
4. CIRCUIT ADJUSTMENT
4-1.
Adjustments with Commander ................................ 34
4-2.
Adjustment Method ................................................. 35
4-3.
Picture Quality Adjustments .................................... 40
4-4.
A Board Adjustment After IC003 (Memory)
Replacement............................................................. 40
Replacement............................................................. 40
4-5.
Picture Distortion Adjustment ................................. 41
Section
Title
Page
5. DIAGRAMS
5-1.
Block Diagram ......................................................... 43
5-2.
Frame Schematic Diagram ...................................... 46
5-3
Circuit Boards Location .......................................... 49
5-4.
Schematic Diagrams and Printed Wiring Boards ... 50
(1)
Schematic Diagram of A (1/2) Board ...................... 53
(2)
Schematic Diagrams of A (2/2) and F Boards ........ 57
(3)
Schematic Diagrams of V1 and VM1 Boards ......... 61
(4)
Schematic Diagrams of B2, C, H3, and J2 Boards . 64
(5)
Schematic Diagram of B3 Board ............................ 70
5-5.
Semiconductors ........................................................ 76
6. EXPLODED VIEWS
6-1.
Speaker Bracket ....................................................... 79
6-2.
Chassis ..................................................................... 80
6-3.
Picture Tube ............................................................. 81
6-4.
3D Speaker (KV-XF25M63/XF25M93 only) ......... 82
7. ELECTRICAL PARTS LIST
...................................... 83
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