| TABLE OF CONTENTS |
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Specifications | ........................................................................... 1 | 5. ELECTRICAL ADJUSTMENTS | 10 |
1. | SERVICING NOTE | 2 | |
2. | GENERAL |
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| Location and Function of Controls | 3 | |
3. | DISASSEMBLY |
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| 4 | ||
| 4 | ||
| Main board | 4 | |
| Belt Assy, Front Panel Assy | 5 | |
| Mechanism Deck Section | 5 | |
| Optial | 6 | |
4. TEST MODE | 7 | |
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| This Mini Disc player is classi- |
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| fied as a CLASS 1 LASER |
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| product. |
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| The CLASS 1 LASER |
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| PRODUCT label is located on |
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| the bottom exterior. |
IN NO EVENT SHALL SELLER BE
LIABLE FOR ANY DIRECT,
INCIDENTAL OR CONSEQUENTIAL
DAMAGES OF ANY NATURE, OR
LOSSES OR EXPENSES RESULTING
FROM ANY DEFECTIVE PRODUCT
OR THE USE OF ANY PRODUCT.
“MD WALKMAN” is a trademark of Sony Corporation.
CAUTION
Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
6. DIAGRAMS |
| |
Explanation of IC Terminals | 13 | |
Block Diagram | 15 | |
Printed Wiring Boards | 18 | |
Schematic Diagram | 21 | |
7. | EXPLODED VIEWS |
| |
| Panel Section | 28 | |
| Main Section | 29 | |
| Mechanism Deck Section | 30 | |
8. | ELECTRICAL PARTS LIST | 31 | |
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.
COMPONENTS IDENTIFIED BY MARK !OR DOTTED LINE WITH MARK !ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
SECTION 1
SERVICING NOTE
When repairing this device with the power on, if you remove the main board, this device stops working.
In this case, you work without the device stopping by fastening the hook of the Open/Close detection switch (S801) with tape.
Chassis ASSY
Main board
Tape
Open/Close switch (S801)
– 2 –
