Table Of Contents - Sony KV-HF21M50 Service Manual

Section
SELF DIAGNOSIS FUNCTION
1. GENERAL
........................................................................ 8
2. DISASSEMBLY
2-1. Rear Cover Removal ................................................ 22
2-2. Chassis Assy Removal ............................................. 22
2-3. F Bracket Removal .................................................. 22
2-4. Service Position ....................................................... 22
2-5. Replacement of Parts ............................................... 23
2-5-1. Replacement of Control Button .......................
2-5-2. Replacement of Light Guide ............................
2-6. Terminal Bracket Removal ...................................... 24
2-7. Degauss Coil Removal ............................................. 24
2-8. Picture Tube Removal .............................................. 24
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .......................................................... 26
3-2. Convergence ............................................................. 27
3-3. Focus Adjustment .................................................... 29
3-4. G2 (Screen) and White Balance Adjustments ......... 29
4. CIRCUIT ADJUSTMENT
4-1. Adjustments with Commander ................................ 30
4-2. Adjustment Method ................................................. 31
4-3. Picture Quality Adjustments .................................... 36
4-4. A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 36
4-5. Picture Distortion Adjustment ................................. 37

TABLE OF CONTENTS

Title Page
................................ 4
23
23
Section
5. DIAGRAMS
5-1. Block Diagram ......................................................... 39
5-2. Frame Schematic Diagram ...................................... 42
5-3 Circuit Boards Location .......................................... 44
5-4. Schematic Diagrams and Printed Wiring Boards ... 45
(1) Schematic Diagram of A (1/2) Board ...................... 47
(2) Schematic Diagram of A (2/2) Board ...................... 50
(3) Schematic Diagrams of C3 and C5 Boards ............. 56
(4) Schematic Diagrams of VM1 and F Boards ........... 61
5-5. Semiconductors ........................................................ 65
6. EXPLODED VIEW
6-1. Chassis ..................................................................... 67
7. ELECTRICAL PARTS LIST
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KV-HF21M50/XF21M80
Title Page
....................................... 71
RM-952