100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-F935b
Date: May 23, 2007
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Model: AVR-2105, AVR-885
Subject: The Power Amplifier Circuit breaks down during Playback.
Symptom: The Power Amplifier Circuit breaks down during Playback because the operating time of the ASO protection circuit for the Power Transistor was too long.
Solution: Replace C175 220µF Capacitor with 22µF Capacitor.
• Modification Procedure:
1)Remove 9 screws.
2)Remove the TOP Cover (see the following for details)
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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.
______________________________________________________________________________________
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.
3)Remove 2 screws on MAIN P.W.B.
4)Remove the PRE P.W.B.
______________________________________________________________________________________
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.
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