[ Video Section] - Sony TRINITRON KV-VF14M70 Service Manual

Section Title

[ VIDEO SECTION]

1. GENERAL
1-1. INTERNAL VIEWS ............................................... 72
2. DISASSEMBLY
2-1. Top Cover Removal ................................................. 73
2-2. VCR Block Assy Removal ...................................... 73
2-3. FF10 Board Removal .............................................. 73
2-4. MA10 Board Removal ............................................ 73
2-5. Service Position (MA10 Board) .............................. 73
3. CIRCUIT ADJUSTMENTS ....................................
4. INTERFACE, IC PIN FUNCTION DESCRIPTION
µ-COM Port Function Description
4-1.
(MA10 Board IC001) .............................................. 77
4-2. System Control-Video Block Interface
(MA10 Board IC402) .............................................. 78
4-3. System Control-Servo Peripheral Circuit Interface
(MA10 Board IC402) .............................................. 78
4-4. System Control-Mechanism Block Interface
(MA10 Board IC402) .............................................. 79
4-5. System Control-System Control Peripheral Circuit Interface
(MA10 Board IC402) .............................................. 79
4-6. System Control-Audio Block Interface
(MA10 Board IC402) .............................................. 79
4-7. Servo/System Control Port Function Description
(MA10 Board IC402) .............................................. 80
TABLE OF CONTENTS
Page Section
5. DIAGRAMS
5-1. Block Diagrams ....................................................... 81
5-2. Circuit Boards Location .......................................... 83
5-3. Printed Wiring Boards and Schematic Diagrams .... 84
• MA10 (1/3) Board .................................................. 87
• MA10 (2/3) Board .................................................. 91
• MA10 (3/3) Board .................................................. 95
• FF10 Board ............................................................. 97
5-4. Semiconductors ....................................................... 98
6. EXPLODED VIEWS
74
6-3. Mechanism Deck Assembly (1) .............................. 102
6-4. Mechanism Deck Assembly (2) .............................. 103
6-5. Mechanism Deck Assembly (3) .............................. 104
7. ELECTRICAL PARTS LIST
- 71 -
Title
...................................... 105
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