Sony M-540V - Microcassette Recorder, Руководство по обслуживанию

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M-540V
TABLE OF CONTENTS
Flexible Circuit Board Repairing
•
Keep the temperature of the soldering iron around 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 dam-
aged by heat.
1. GENERAL
....................................................................
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2. DISASSEMBLY
2-1. Lid Assy, Cassette ........................................................... 4
2-2. Lid, Battery Case ............................................................ 5
2-3. Cabinet (Rear) Assy ........................................................ 5
2-4. Main Board ..................................................................... 6
2-5. Mechanism Deck ............................................................ 6
2-6. Head, Ceramic (HRPE901) ............................................ 7
3. MECHANICAL ADJUSTMENTS ..............................
8
4. ELECTRICAL ADJUSTMENTS
...............................
8
5. DIAGRAMS
5-1. Block Diagram .............................................................. 11
5-2. Printed Wiring Board .................................................... 12
5-3. Schematic Diagram ....................................................... 13
6. EXPLODED VIEWS
6-1. Cabinet Section ............................................................. 14
6-2. Mechanism Deck Section ............................................. 14
7. ELECTRICAL PARTS LIST .....................................
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