Table Of Contents - Sony TCM-50DV Service Manual

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1. SERVICING NOTE .....................................................
2. GENERAL
Operating the Unit ................................................................... 4
3. DISASSEMBLY
3-1. Cabinet, Cassette Lid Assy ................................................. 6
3-2. MAIN Board, Cassette Machanism .................................... 7
3-3. Belt ...................................................................................... 8
3-4. Head .................................................................................... 8
3-5. Motor, DC ........................................................................... 9
3-6. Note for Installation of Main Board .................................... 9
4. MECHANICAL ADJUSTMENTS ............................
5. ELECTRICAL ADJUSTMENTS .............................
TE
L 13942296513
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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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.
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TABLE OF CONTENTS

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6. DIAGRAMS
6-1. Block Diagram .................................................................. 11
6-2. Printed Wiring Board -Main Section- .............................. 13
6-3. Schematic Diagram -Main Section- ................................. 15
6-4. Printed Wiring Board -Panel Section- ............................. 17
6-5. Schematic Diagram -Panel Section- ................................ 18
6-6. IC Pin Description ............................................................. 20
7. EXPLODED VIEWS
7-1. Case Section ...................................................................... 21
7-2. Panel Section ..................................................................... 22
7-3. Mechanism Deck Section-1 .............................................. 23
7-4. Mechanism Deck Section-2 .............................................. 24
8. ELECTRICAL PARTS LIST ....................................
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