Table of Contents
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Section
SELF DIAGNOSIS FUNCTION
[ TV SECTION]
1. GENERAL
1-1.
KV-VF14M40/VF14M70/VF14M77 ......................
2. DISASSEMBLY
2-1.
Rear Cover Removal ............................................... 40
2-2.
Chassis Assy Removal ............................................ 40
2-3.
Service Position (A Board) ..................................... 40
2-4.
A Board Removal .................................................... 40
2-5.
Harnes Location ...................................................... 41
2-6.
Picture Tube Removal ............................................. 42
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing ......................................................... 43
3-2.
Convergence ............................................................ 44
3-3.
Focus Adjustment .................................................... 45
3-4.
Screen (G2) Adjustment .......................................... 45
3-5.
White Barance Adjustment ..................................... 46
3-6.
Picture Distortion Adjustment ................................. 46
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...................... 47
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE AN-
ODE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS
THE PARTS LIST ARE CRITICAL FOR SAFE OPERATION. RE-
PLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUST-
MENTS THAT ARE CRITICAL FOR SAFE OPERATION ARE
IDENTIFIED IN THIS MANUAL. FOLLOW THESE PROCE-
DURES WHENEVER CRITICAL COMPONENTS ARE RE-
PLACED OR IMPROPER OPERATION IS SUSPECTED.
Page
Section
5
5-1.
Adjustments with Commander ................................ 48
5-2.
Adjustment Method ................................................. 49
8
5-3.
Service Data ............................................................ 50
5-4.
A Board Adjustment ................................................ 52
6. DIAGRAMS
6-1.
Block Diagrams ....................................................... 55
6-2.
Circuit Boards Location .......................................... 59
6-3.
Printed Wiring Boards and Schematic Diagrams .... 59
•
A Board .................................................................... 61
•
CV, F Boards ............................................................ 67
6-1.
Picture Tube ............................................................ 100
6-2.
Chassis ..................................................................... 101
....................................................................... 72
5. DIAGRAMS
..................................................................... 81
7. ELECTRICAL PARTS LIST
CAUTION
- 4 -
Title
................................ 105
............................................................. 73
........................................ 74
.............................................................. 77
..................................................... 102
...................................... 112
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