
– 71 –
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
[ 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
....................................
74
4. INTERFACE, IC PIN FUNCTION DESCRIPTION
4-1.
µ
-COM Port Function Description
(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
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
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
...................................... 105