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KV-XA25M60/XA25M63/XA25N90
RM-954
RM-914
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
5
1. GENERAL
........................................................................
8
2. DISASSEMBLY
2-1.
3D Speaker Box Removal ....................................... 41
2-2.
Rear Cover Removal ................................................ 41
2-3.
Speaker Removal ..................................................... 41
2-4.
Chassis Assy Removal ............................................. 41
2-5.
F Bracket Removal .................................................. 41
2-6.
Service Position ....................................................... 41
2-7.
Replacement of Parts ............................................... 42
2-7-1 Replacement of Light Guide ..............................................
42
2-7-2 Replacement of Power Button ...........................................
42
2-8.
J and J1 Boards Removal ......................................... 42
2-9.
Terminal Bracket Removal ...................................... 42
2-10. B1 Board Removal ................................................... 42
2-11. H Board Removal .................................................... 42
2-12. A and B Boards Removal ........................................ 43
2-13. Picture Tube Removal .............................................. 43
2-14. Removal of Anode Cap ............................................ 43
2-11. H Board Removal .................................................... 42
2-12. A and B Boards Removal ........................................ 43
2-13. Picture Tube Removal .............................................. 43
2-14. Removal of Anode Cap ............................................ 43
3. ADVANCE OPERATION
3-1.
"RESET" Function ................................................... 44
4. SET-UP ADJUSTMENTS
4-1.
Beam Landing .......................................................... 45
4-2.
Convergence Adjustment ......................................... 46
4-3.
Focus Adjustment .................................................... 48
4-4.
G2 (Screen) and White Balance Adjustments ......... 49
5. CIRCUIT ADJUSTMENTS
5-1.
Adjustments with Commander ................................ 50
5-2.
Adjustment Method ................................................. 50
5-3.
Picture Quality Adjustments .................................... 55
5-4.
Deflection Adjustment ............................................. 55
5-5.
H-Trapezoid Adjustment ......................................... 56
5-6.
A Board Adjustment after IC003 Replacement ...... 56
5-7.
Picture Distortion Adjustment ................................. 57
Section
Title
Page
6.
DIAGRAMS
6-1. Block Diagram .......................................................... 59
6-2. Circuit Board Location ............................................. 61
6-3. Schematic Diagrams ................................................. 62
6-2. Circuit Board Location ............................................. 61
6-3. Schematic Diagrams ................................................. 62
(1) Schematic Diagram of H Board ......................... 63
(2) Schematic Diagram of A Boards ........................ 65
(3) Schematic Diagram of B Boards ....................... 81
(4) Schematic Diagram of C6 and B1 Boards ........ 89
(5) Schematic Diagram of VM1 Board .................... 91
(6) Schematic Diagram of J, J1 and F Boards ........ 93
(2) Schematic Diagram of A Boards ........................ 65
(3) Schematic Diagram of B Boards ....................... 81
(4) Schematic Diagram of C6 and B1 Boards ........ 89
(5) Schematic Diagram of VM1 Board .................... 91
(6) Schematic Diagram of J, J1 and F Boards ........ 93
6-4.
Voltage Measurements .............................................. 98
6-5.
Waveforms .............................................................. 103
6-6.
Printed Wiring Boards and Parts Location ............. 105
6-7.
Semiconductors ....................................................... 112
7.
EXPLODED VIEWS
7-1.
Picture Tube ............................................................ 114
7-2.
Chassis .................................................................... 115
7-3.
3D Speaker .............................................................. 115
8.
ELECTRICAL PARTS LIST
.................................... 116
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