Sony Walkman WM-FX561, Руководство по обслуживанию

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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.
Specification ················································································· 1
1. GENERAL
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2. SERVICE NOTE
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3. DISASSEMBLY
3-1. Case Assy Removal ······················································· 4
3-2. Tuner Board Removal ··················································· 4
3-3. Audio Board Removal ··················································· 5
3-4. Cassette Lid Assy Removal ··········································· 5
3-5. Mechanism Deck Removal ··········································· 6
4. MECHANICAL ADJUSTMENT
·································· 7
5. ELECTRICAL ADJUSTMENT
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6. DIAGRAMS
6-1. Block Diagram ······························································ 9
6-2. IC Pin Function Description ········································ 11
6-3. Printed Wiring Boards (Tuner Section) ······················· 13
6-4 Schematic Diagram (Tuner Section) ··························· 17
6-5 Schematic Diagram (Audio Section) ··························· 20
6-6. Printed Wiring Board (Audio Section) ························ 23
7. EXPLODED VIEWS
7-1. Cabinet Section ··························································· 29
7-2. Audio, Tuner Board Section ········································ 30
7-3. Mechanism Section (MT-WMEX550-125) ················· 31
8. ELECTRICAL PARTS LIST
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