Text preview for : Service Bulletin OST-621.PDF part of DENON Service Bulletin OST-621 DENON AV Surround Receiver AV Surround Receiver Denon - AVR-1601 & 681 Service Bulletin OST-621.PDF
Back to : Service Bulletin OST-621. | Home
100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-621
Date: April 27, 2007
_____________________________________________________________
Model: AVR-1601, AVR-1801
Subject: Resistors open.
Symptom: When the Power is turned on, resistors R141 and R142 in the
Power Supply Circuit on the MAIN Unit can fail due to in-rush current which will
cause the Protect circuit to engage.
Solution: Replace the resistors R141 an R142 with the improved resistors
listed below.
Parts:
Ref # FORMER NEW
Description Part Description Part
Number Number
R141, RS14B2E1R0JNBST 963 9003 RS14B3AR22JNBST 244 2043
R142 (1/4W, 1) 039 (S)(IW, 0.22 ) 982
Serial Number Range:
Replace upon customer claim.
______________________________________________________________________________________
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.