Table Of Contents; General - Sony TRINITRON KV-VF14M70 Service Manual

Section Title
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
4. SAFETY RELATED ADJUSTMENT

TABLE OF CONTENTS

Page
...................................... 5
8
...................... 47
CAUTION
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.
- 4 -
Section Title
5. CIRCUIT ADJUSTMENTS
5-1. Adjustments with Commander ................................ 48
5-2. Adjustment Method ................................................. 49
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. EXPLODED VIEWS
6-1. Picture Tube ............................................................ 100
6-2. Chassis ..................................................................... 101
7. ELECTRICAL PARTS LIST
[ VIDEO SECTION]
1. GENERAL
....................................................................... 72
2. DISASSEMBLY
............................................................. 73
3. CIRCUIT ADJUSTMENTS
4. INTERFACE, IC PIN FUNCTION
DESCRIPTION
.............................................................. 77
5. DIAGRAMS
..................................................................... 81
6. EXPLODED VIEWS
..................................................... 102
7. ELECTRICAL PARTS LIST
AND IN
Page
................................ 105
........................................ 74
...................................... 112