— 2 —
TABLE OF CONTENTS
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron aroud 270˚ C during
repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
SECTION 1
GENERAL
1. GENERAL ······································································ 2
2. DISASSEMBLY
2-1. Cabinet (Front) Assy ·························································· 3
2-2. Main Board ········································································· 4
2-3. Cassette Lid ········································································ 4
2-4. Mechanism Deck ································································ 5
2-5. Belt, Motor (Reel/Capstan) ················································ 5
3. MECHANICAL ADJUSTMENT ······························ 6
4. ELECTRICAL ADJUSTMENT ································6
5. DIAGRAMS
5-1. Block Diagram ··································································· 8
5-2. Schematic Diagram (FX171/FX177 Models) ·················· 10
5-3. Printed Wiring Board (FX171/FX177 Models)················ 13
5-4. Printed Wiring Board (FX173 Model) ····························· 17
5-5. Schematic Diagram (FX173 Model) ································ 21
5-6. IC Block Diagrams ···························································24
6. EXPLODED VIEWS
6-1. Cabinet Section································································· 25
6-2. Main Board Section ··························································27
6-3. Mechanism Section-1 ······················································· 28
6-4. Mechanism Section-2 ······················································· 29
7. ELECTRICAL PARTS LIST ··································· 30
This section is extracted
from instruction manual.
• LOCATION OF CONTROL
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