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100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-C1532
Date: July 14, 2009
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Model: S-302
Subject: Set Freezes, locks up, won't power ON.
Countermeasure is applicable only upon claim from the customer.
Symptom: 1) The unit intermittently locks up.
2) The power supply turns off in about 1 hour after starting use, and the unit
sometimes freezes.
3) It becomes impossible to operate after the set freezes.
4) After warm up (about an hour of playing) all the buttons on the front panel and
RC cannot be operated.
Solution: Oscillator X201 is defective or poor soldering of the microcomputer.
COUNTERMEASURE: Exchange the Oscillator X201 and/or re-solder the
microcomputer.
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CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.
MODIFICATION:
2) Check the soldering of IC201 (system microcomputer).
3) If you find poor soldering on IC201, re-solder IC201.
4) If the unit has still failure, please repair the unit.
Serial Number Range:
Applies to all.
______________________________________________________________________________________
CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.