Read Sony KV-PF21P40 Service Manual online
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KV-PF21P40/TF21M60/TF21P50
RM-952
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL ..........................................................
8
2. DISASSEMBLY
2-1.
Rear Cover Removal ................................................ 30
2-2.
Chassis Assy Removal ............................................. 30
2-3.
F Bracket Removal .................................................. 30
2-4.
Service Position ....................................................... 31
2-5.
Replacement of Parts ............................................... 31
2-5-1.
Replacement of Control Button .......................
31
2-5-2.
Replacement of Bar Control .............................
31
2-6.
Terminal Bracket Removal ...................................... 31
2-7.
Degauss Coil Removal ............................................. 32
2-8.
Picture Tube Removal .............................................. 32
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing .......................................................... 34
3-2.
Convergence ............................................................. 35
3-3.
Focus Adjustment .................................................... 37
3-4.
G2 (Screen) and White Balance Adjustments ......... 37
4. CIRCUIT ADJUSTMENTS
4-1.
Adjustments with Commander ................................ 38
4-2.
Adjustment Method ................................................. 39
4-3.
Picture Quality Adjustments .................................... 44
4-4.
A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 44
Replacement ............................................................. 44
4-5.
Picture Distortion Adjustment ................................. 45
Section
Title
Page
5. DIAGRAMS
5-1
Block Diagram ......................................................... 47
5-2
Frame Schematic Diagram ...................................... 50
5-3
Circuit Boards Location .......................................... 52
5-4
Schematic Diagrams and Printed Wiring Boards ... 53
(1)
Schematic Diagram of A(1/2) Board ....................... 55
(2)
Scheamtic Diagram of A(2/2) Board ....................... 59
(3)
Schematic Diagram of C3 Board ............................ 67
(4)
Schematic Diagram of F Board ............................... 69
5-5
Semiconductors ........................................................ 71
6. EXPLODED VIEWS
6-1.
Chassis (KV-PF21P40) ............................................ 74
7. ELECTRICAL PARTS LIST
...................................
76
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