Table Of Contents - Sony KV-PF21M70 Service Manual

Section
SELF DIAGNOSIS FUNCTION
1. GENERAL ..........................................................
2. DISASSEMBLY
2-1. Rear Cover Removal ................................................ 32
2-2. Chassis Assy Removal ............................................. 32
2-3. F Bracket Removal .................................................. 32
2-4. Service Position ....................................................... 33
2-5. Replacement of Parts ............................................... 33
2-5-1.
2-5-2.
2-6. Terminal Bracket Removal ...................................... 33
2-7. Degauss Coil Removal ............................................. 34
2-8. Picture Tube Removal .............................................. 34
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .......................................................... 36
3-2. Convergence ............................................................. 37
3-3. Focus Adjustment .................................................... 39
3-4. G2 (Screen) and White Balance Adjustments ......... 39
4. CIRCUIT ADJUSTMENTS
4-1. Adjustments with Commander ................................ 40
4-2. Adjustment Method ................................................. 41
4-3. Picture Quality Adjustments .................................... 46
4-4. A Board Adjustment After IC003 (Memory)
Replacement............................................................. 46
4-5. Picture Distortion Adjustment ................................. 47
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Title
................................ 3
Replacement of Control Button .......................
Replacement of Bar Control.............................
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TABLE OF CONTENTS

Page Section
5. DIAGRAMS
5-1 Block Diagram ......................................................... 59
8 5-2 Frame Schematic Diagram ...................................... 62
5-3 Circuit Boards Location .......................................... 64
5-4 Schematic Diagrams and Printed Wiring Boards ... 65
(1) Schematic Diagram of A(1/2) Board ....................... 67
(2) Scheamtic Diagram of A(2/2) Board ....................... 71
(3) Schematic Diagrams of C3 and C5 Boards ............. 79
(4) Schematic Diagram of V1 Board ............................ 85
(5) Schematic Diagram of F Board ............................... 87
33
5-5 Semicondutors ......................................................... 90
33
6. EXPLODED VIEWS
6-1. Chassis (KV-PF21M70) ........................................... 93
6-2 Chassis (KV-TF21M61/TF21M90/TF21P11)......... 95
7. ELECTRICAL PARTS LIST
- 3 -
KV-PF21M70/TF21M61/TF21M90/TF21P11
Title
................................... 97
RM-952
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