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Sony Scd-1 Service Manual

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    Page 1 SERVICE MANUAL For Technical service US Model Canadian Model AEP Model SCD-1/ 777ES 3. SERVICING NOTES............................................... 3 4. DISASSEMBLY-2..................................................... 5 5. TEST MODE.............................................................. 10 6. ELECTRICAL ADJUSTMENTS......................... 12 7. DIAGRAMS 7-1. Notes for Printed Wiring Board and Schematic Diagram ......................................................... 17 7-2. Printed Wiring...
    Page 2 2 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. Flexible Circuit Board Repairing ¥ Keep the temperature of the soldering iron around 270 ûC dur- ing 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. ATTENTION AU COMPOSANT AYANT RAPPORT Ë LA SƒCURITƒ!...
    Page 3 3 SECTION 3 SERVICING NOTES The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The laser beam on this...
    Page 4 4 REPLACING OPTICAL PICK-UP Handling 1) A red laser diode for Super Audio CD Player requires more attention to static electricity than general infrared laser diodes for CD. Because its durability to static electricity is far weaker than that of infrared laser diodes, always use an earth band when handling the optical pick-up block as service parts. 2) As for the flexible board KHS-180A (RP) packed as service parts, the short lands have been soldered to protect from static electricity. Accordingly,...
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