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KV-XA29M31/XA29M50/
XA29M61/XA34M31
RM-954
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL
........................................................................
7
2. DISASSEMBLY
2-1.
Rear Cover Removal ................................................ 25
2-2.
Speaker 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 Light Guide ..............................................
26
2-6-2 Replacement of Power Button ...........................................
26
2-7.
HV Cap Block, PWB Holder and J Board Removal .. 26
2-8.
Terminal Bracket Removal ...................................... 26
2-9.
D2 and D3 Boards Removal ................................... 27
2-10. B1 and V1 Boards Removal .................................... 27
2-11. H Board Removal .................................................... 27
2-12. A and B Boards Removal ........................................ 27
2-13. Picture Tube Removal .............................................. 28
2-14. Removal of Anode Cap ............................................ 28
3. ADVANCE OPERATION
3-1.
"RESET" Function ................................................... 29
4. SET-UP ADJUSTMENTS
4-1.
Beam Landing .......................................................... 30
4-2.
Convergence Adjustment ......................................... 31
4-3.
Focus Adjustment .................................................... 33
4-4.
G2 (Screen) and White Balance Adjustments ......... 34
5. CIRCUIT ADJUSTMENTS
5-1.
Adjustments with Commander ................................ 35
5-2.
Adjustment Method ................................................. 37
5-3.
Picture Quality Adjustments .................................... 40
5-4.
Display position Adjustment ................................... 40
5-5.
Deflection Adjustment ............................................. 40
5-6.
H-Trapezoid Adjustment ......................................... 41
5-7.
A Board Adjustment After IC003
(memory) Replacement ........................................... 41
5-8.
Picture Distortion Adjustment ................................. 42
Section
Title
Page
6.
DIAGRAMS
6-1. Block Diagram .......................................................... 43
6-2. Circuit Board Location ............................................. 45
6-3. Schematic Diagrams ................................................. 47
(1) Schematic Diagrams of F, J and VM1 Boards ... 47
(2) Schematic Diagram of A Board .......................... 49
(3) Schematic Diagram of B Board .......................... 65
(4) Schematic Diagram of B1 and D3 Boards ........ 73
(5) Schematic Diagram of C6 and V1 Boards ......... 75
(6) Schematic Diagram of H Board ......................... 77
(7) Schematic Diagram of D2 Board ....................... 79
6-4.
A and B Boards Mark List ....................................... 81
6-5.
Voltage Measurements .............................................. 83
6-6.
Waveforms ................................................................ 95
6-7.
Printed Wiring Boards and Parts Location ............... 97
6-8.
Semiconductors ....................................................... 105
7.
EXPLODED VIEWS
7-1.
Picture Tube ............................................................ 108
7-2.
Chassis .................................................................... 109
8.
ELECTRICAL PARTS LIST
.................................... 110
