Table Of Contents - Sony KV-HF21M80 Service Manual

Section
SELF DIAGNOSIS FUNCTION
1. GENERAL
........................................................................ 8
2. DISASSEMBLY
2-1. Rear Cover Removal ................................................ 19
2-2. Chassis Assy Removal ............................................. 19
2-3. F Bracket Removal .................................................. 19
2-4. Service Position ....................................................... 19
2-5. Replacement Of Parts ............................................... 20
2-5-1. Replacement of Control Button .......................
2-5-2. Replacement of Light Guide ............................
2-6. Terminal Bracket Removal ...................................... 20
2-7. Degauss Coil Removal ............................................. 20
2-8. Picture Tube Removal .............................................. 21
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .......................................................... 22
3-2. Convergence ............................................................. 23
3-3. Focus Adjustment .................................................... 25
3-4. G2 (Screen) And White Balance Adjustments ......... 25
4. CIRCUIT ADJUSTMENT
4-1. Adjustments With Commander ................................ 26
4-2. Adjustment Method ................................................. 27
4-3. Picture Quality Adjustments .................................... 32
4-4. A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 32
4-5. Picture Distortion Adjustment ................................. 33

TABLE OF CONTENTS

Title Page
................................ 4
20
20
Section
5. DIAGRAMS
5-1. Block Diagram ......................................................... 37
5-2. Frame Schematic Diagram ...................................... 40
5-3 Circuit Boards Location .......................................... 42
5-4. Schematic Diagrams And Printed Wiring Boards ... 43
(1) Schematic Diagram of A (1/2) Board ...................... 45
(2) Schematic Diagram of A (2/2) Board ...................... 48
(3) Schematic Diagram of C3 Board ............................ 54
(4) Schematic Diagram of F Board ............................... 57
5-5. Semiconductors ........................................................ 59
6. EXPLODED VIEW
6-1. Chassis ..................................................................... 61
7. ELECTRICAL PARTS LIST
– 3 –
KV-HF21M80
Title Page
....................................... 63
RM-952