Read Sony KV-PF21DK7 Service Manual online
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KV-PF21N70/PF51P40/PF21P70/PF21Q40
RM-915
RM-952
RM-952
RM-952
KV-PF21Q70/PF21M70/PF21DK7
RM-952
RM-952
RM-952
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL ..........................................................
9
2. DISASSEMBLY
2-1.
Rear Cover Removal ................................................ 35
2-2.
Chassis Assy Removal ............................................. 35
2-3.
F Bracket Removal .................................................. 35
2-4.
Service Position ....................................................... 35
2-5.
Replacement of Parts ............................................... 36
2-5-1.
Replacement of Control Button .......................
36
2-5-2.
Replacement of Bar Control ............................
36
2-6.
Terminal Bracket Removal ...................................... 36
2-7.
Degauss Coil Removal ............................................ 36
2-8.
Picture Tube Removal .............................................. 37
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing .......................................................... 38
3-2.
Convergence ............................................................. 39
3-3.
Focus Adjustment .................................................... 41
3-4.
G2 (Screen) and White Balance Adjustments ......... 41
4. CIRCUIT ADJUSTMENTS
4-1.
Adjustments with Commander ................................ 42
4-2.
Adjustment Method ................................................. 43
4-3.
Picture Quality Adjustments .................................... 48
4-4.
A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 48
Replacement ............................................................. 48
4-5.
Picture Distortion Adjustment ................................. 49
Section
Title
Page
5. DIAGRAMS
5-1
Block Diagram ......................................................... 51
5-2
Frame Schematic Diagram ...................................... 54
5-3
Circuit Boards Location .......................................... 56
5-4
Schematic Diagrams and Printed Wiring Boards ... 57
(1)
Schematic Diagram of A(1/2) Board ...................... 59
(2)
Scheamtic Diagram of A(2/2) Board ...................... 63
(3)
Schematic Diagrams of C3 and F Boards ............... 71
5-5
Semicondutors ......................................................... 75
6. EXPLODED VIEW
6-1.
Chassis ..................................................................... 77
7. ELECTRICAL PARTS LIST
...................................
79
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