KV-XF21M30 (serv.man2) - Sony TV Service Manual (repair manual). Page 3

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KV-XF21M30/XF21M50/XF51M65
RM-952
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL
........................................................................
8
2. DISASSEMBLY
2-1.
3D Speaker Box Removal ....................................... 23
2-2.
Rear Cover Removal ................................................ 23
2-3.
Chassis Assy  Removal ............................................. 23
2-4.
F Bracket Removal .................................................. 23
2-5.
Service Position ....................................................... 24
2-6.
Replacement of Parts ............................................... 24
2-6-1.
Replacement of Control Button .......................
24
2-6-2.
Replacement of Light Guide ............................
24
2-7.
V1 Board Removal .................................................. 24
2-8.
H4 and K1 Board Removal ..................................... 25
2-9.
Terminal Bracket Removal ...................................... 25
2-10. Degauss Coil Removal ............................................. 25
2-11. Picture Tube Removal .............................................. 26
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing .......................................................... 27
3-2.
Convergence ............................................................. 28
3-3.
Focus Adjustment .................................................... 30
3-4.
G2 (Screen) and White Balance Adjustments ......... 30
4. CIRCUIT ADJUSTMENT
4-1.
Adjustments with Commander ................................ 31
4-2.
Adjustment Method ................................................. 32
4-3.
Picture Quality Adjustments .................................... 37
4-4.
A Board Adjustment After IC003 (Memory)
Replacement............................................................. 37
4-5.
Picture Distortion Adjustment ................................. 38
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 J2 Boards ....... 53
(3)
Schematic Diagrams of C3, H4 and VM1 Boards .. 57
(4)
Schematic Diagrams of F, K1 and V1 Boards ................ 61
5-5.
Semiconductors ........................................................ 65
6. EXPLODED VIEWS
6-1.
Chassis ..................................................................... 67
6-2.
3D Speaker (KV-XF51M65 only) ........................... 69
7. ELECTRICAL PARTS LIST
...................................... 70
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