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KV-XF25M30/XF25M50/XF25M63
KV-XF25M65/XF25M90
KV-XF25M65/XF25M90
RM-954
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
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 .......................
29
2-6-2.
Replacement of Light Guide ............................
29
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
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
Replacement ............................................................. 43
4-5.
Picture Distortion Adjustment ................................. 44
Section
Title
Page
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
(for KV-XF25M30/XF25M50/XF25M90) .............. 68
(5)
Schematic Diagram of B3 Board
(for KV-XF25M63/XF25M65) ................................ 71
(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
....................................... 87
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