– 3 –
KV-XF21M83/XF21M93
RM-952
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL
........................................................................
8
2. DISASSEMBLY
2-1.
3D Speaker Box Removal ....................................... 22
2-2.
Rear Cover Removal ................................................ 22
2-3.
Chassis Assy Removal ............................................. 22
2-4.
F Bracket Removal .................................................. 22
2-5.
Service Position ....................................................... 23
2-6.
Replacement of Parts ............................................... 23
2-6-1.
Replacement of Control Button .......................
23
2-6-2.
Replacement of Light Guide ............................
23
2-7.
H4 and K1 Boards Removal .................................... 24
2-8.
Terminal Bracket Removal ...................................... 24
2-9.
Degauss Coil Removal ............................................. 24
2-10. Picture Tube Removal .............................................. 25
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing .......................................................... 26
3-2.
Convergence ............................................................. 27
3-3.
Focus Adjustment .................................................... 29
3-4.
G2 (Screen) and White Balance Adjustments ......... 29
4. CIRCUIT ADJUSTMENT
4-1.
Adjustments with Commander ................................ 30
4-2.
Adjustment Method ................................................. 31
4-3.
Picture Quality Adjustments .................................... 36
4-4.
A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 36
4-5.
Picture Distortion Adjustment ................................. 37
Section
Title
Page
5. DIAGRAMS
5-1.
Block Diagram ......................................................... 39
5-2.
Frame Schematic Diagram ...................................... 42
5-3
Circuit Boards Location .......................................... 45
5-4.
Schematic Diagrams and Printed Wiring Boards ... 46
(1)
Schematic Diagram of A (1/2) Board ...................... 49
(2)
Schematic Diagrams of A (2/2) and H4 Boards ..... 53
(3)
Schematic Diagrams of F, J3 and VM1 Boards ...... 57
(4)
Schematic Diagrams of C5 and K1 Boards ............ 60
5-5.
Semiconductors ........................................................ 65
6. EXPLODED VIEWS
6-1.
Chassis ..................................................................... 68
6-2.
3D Speaker ............................................................... 70
7. ELECTRICAL PARTS LIST
....................................... 71
Содержание TRINITRON KV-XF21M83
Страница 38: ... 38 KV XF21M83 XF21M93 RM 952 MEMO ...