— 2 —
TABLE OF CONTENTS
1. GENERAL
·········································································· 3
2. DISASSEMBLY
2-1. Driver (030F023A)(L) ························································· 4
2-2. Jack Board ············································································· 4
2-3. Driver (030F023A)(R) ························································· 5
2-4. Main Board ··········································································· 5
2-5. Key Board ············································································· 6
2-6. Belt ························································································ 6
3. ELECTRICAL ADJUSTMENT
···································· 7
4. DIAGRAMS
4-1. Block Diagram ······································································ 9
4-2. Printed Wiring Board — Main Board — ······················· 11
4-3. Schematic Diagram ·························································· 13
4-4. Printed Wiring Board — Key Board — ························· 15
4-5. Ic Pin Function Description ················································ 17
5. EXPLODED VIEWS
······················································ 18
6. ELECTRICAL PARTS LIST
······································· 19
SERVICE NOTE
In order to repair the machine while the main power is on, connecting
tool the MAIN board with the KEY board with a dedicated tool (J-
2503-012-A), is convenient.
KEY board
CN201
CN1
MAIN board
Tool (J-2503-012-A)
