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CONFIDENTIALITY NOTICE:
This document and the information it contains is intended for the exclusive use of Authorized ONKYO Service Centers and their
employees. This document may contain information that is privileged, confidential and exempt from disclosure under applicable law
and terms of the ONKYO Service Agreement. Any dissemination, distribution or copying of this document and the information it
contains is strictly prohibited.
CONFIDENTIAL
Service Bulletin
18 Park Way, Upper Saddle River, NJ 07458
No. 004
Date:
August 24, 2005
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Model: TX-SR602/702/DTR-4.5/5.5/6.5
Subject: No sound in Surround mode
Symptom: No sound in Surround mode. Coil L921 which is located on the DSP board
may have opened due to in rush current.
Solution:
Check coil L921, if open, replace L921 with the improved part (green print).
Parts:
FORMER NEW
Ref #
Description Part Number Description Part Number
L921 NCH-1587-022 233533K022R2 NCH-1471 231237M022R2
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