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KV-XG29N90
RM-915
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL
........................................................................
8
2. DISASSEMBLY
2-1.
Rear Cover Removal ................................................ 19
2-2.
Speaker Removal ..................................................... 19
2-3.
Chassis Assy Removal ............................................. 19
2-4.
Service Position ....................................................... 19
2-5.
Replacement of Parts ............................................... 20
2-5-1. Replacement of Control Button .....................................
20
2-5-2. Replacement of Light Guide ..........................................
20
2-6.
D3 Board Removal .................................................. 20
2-7.
Terminal Bracket Removal ...................................... 20
2-8.
H2 Board Removal .................................................. 21
2-9.
A and B6 Boards Removal ...................................... 21
2-10. Picture Tube Removal .............................................. 21
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing .......................................................... 23
3-2.
Convergence ............................................................. 24
3-3.
Focus Adjustment .................................................... 26
3-4.
G2 (Screen) and White Balance Adjustments ......... 27
4. CIRCUIT ADJUSTMENT
4-1.
Adjustments with Commander ................................ 28
4-2.
Adjustment Method ................................................. 29
4-3.
Picture Quality Adjustments .................................... 34
4-4.
A Board Adjustment After IC003 (Memory)
Replacement............................................................. 34
Replacement............................................................. 34
4-5.
Picture Distortion Adjustment ................................. 35
Section
Title
Page
5. DIAGRAMS
5-1.
Block Diagram ......................................................... 37
5-2.
Frame Schematic Diagram ...................................... 40
5-3
Circuit Boards Location .......................................... 43
5-4.
Schematic Diagrams and Printed Wiring Boards ... 44
(1)
Schematic Diagram of A (1/2) Board ...................... 47
(2)
Schematic Diagrams of A (2/2) and D3 Boards ..... 51
(3)
Schematic Diagram of C6 Board ............................... 57
(4)
Schematic Diagrams of H2 and VM1 Boards ......... 59
(5)
Schematic Diagram of B6 Board ............................ 67
5-5.
Semiconductors ........................................................ 70
6. EXPLODED VIEWS
6-1.
Speaker Bracket ....................................................... 73
6-2.
Chassis ..................................................................... 74
6-3.
Picture Tube ............................................................. 75
7. ELECTRICAL PARTS LIST
....................................... 76
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