Table Of Contents - Sony Walkman WM-FX571 Service Manual

TABLE OF CONTENTS

1. GENERAL ....................................................................
2. SERVICE NOTE ..........................................................
3. DISASSEMBLY
3-1. Case Assy ............................................................................ 4
3-2. Tuner Board ........................................................................ 4
3-3. Audio Board ........................................................................ 5
3-4. Cassette Lid Assy ................................................................ 5
3-5. Tape Mechanism Deck ........................................................ 6
4. MECHANICAL ADJUSTMENTS ..............................
5. ELECTRICAL ADJUSTMENTS
Tape Section ............................................................................ 7
Tuner Section ........................................................................... 8
6. DIAGRAMS
6-1. Block Diagram .................................................................... 9
6-2. IC Pin 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 and Tuner Board Section ........................................ 30
7-3. Tape Mechanism Section .................................................. 31
8. ELECTRICAL PARTS LIST ....................................
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.
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