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KV-TF21M80
RM-952
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL ..........................................................
8
2. DISASSEMBLY
2-1.
Rear Cover Removal ................................................ 20
2-2.
Chassis Assy Removal ............................................. 20
2-3.
F Bracket Removal .................................................. 20
2-4.
Service Position ....................................................... 20
2-5.
Replacement of Parts ............................................... 21
2-5-1.
Replacement of Control Button .......................
21
2-5-2.
Replacement of Bar Control .............................
21
2-6.
Terminal Bracket Removal ...................................... 21
2-7.
Degauss Coil Removal ............................................. 21
2-8.
Picture Tube Removal .............................................. 22
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 ......... 26
4. CIRCUIT ADJUSTMENTS
4-1.
Adjustments with Commander ................................ 27
4-2.
Adjustment Method ................................................. 28
4-3.
Picture Quality Adjustments .................................... 33
4-4.
A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 33
Replacement ............................................................. 33
4-5.
Picture Distortion Adjustment ................................. 34
Section
Title
Page
5. DIAGRAMS
5-1
Block Diagram ......................................................... 37
5-2
Frame Schematic Diagram ...................................... 40
5-3
Circuit Boards Location .......................................... 42
5-4
Schematic Diagrams and Printed Wiring Boards ... 42
(1)
Schematic Diagram of A(1/2) Board ....................... 43
(2)
Scheamtic Diagram of A(2/2) Board ....................... 47
(3)
Schematic Diagrams of C3 and F Boards ............... 55
5-5
Semiconductors ........................................................ 59
6. EXPLODED VIEWS
6-1.
Chassis ..................................................................... 61
7. ELECTRICAL PARTS LIST
...................................
63
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