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100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-C1424-1
Date: November 19, 2008
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Model: AVR-1909, AVR-789
Subject: Power Supply pcb "SUPPLY BD" can crack if the set is handled
roughly in shipping.
This Service Information is only for repair with the following minor improvement
as mentioned below and is not required as an improvement to stock units.
Symptom: Turn on the unit. Protection mode is running after about 5 seconds.
Power Supply Printing Board is broken.
Solution: Card spacer (1pcs) is added between "SUPPLY BD" and
CHASSIS.
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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.
Serial Number Range:
We will apply the above card spacer modification to production models beginning
from the following serial numbers. (Last 5-digit)
AVR-1909 18943 ~
AVR-7889 12813 ~
______________________________________________________________________________________
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.