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Service Bulletin
No. : OST-F1152
Date: March 8, 2007
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Model: DVD-5910, DVD-5910CI
Subject: Countermeasure for improving malfunction upon playing back
particular CD-DA discs.
Symptom: Noise may occur during "No sound parts" (between song and
song.), due to a malfunction of the "Zero Muting circuit".
Here are some CD-DA discs the problem was confirmed on:
1) Ribbon Jessica (PCCA-00288): Japanese Pops
2) CoCo No.1 (PCCA-00287): Japanese Pops
Solution: Remove the following transistors: TR403, 503.
Please remove the listed transistors from the customer's unit upon claim of noise.
______________________________________________________________________________________
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.
Parts:
Ref# Board Location Part Number (Generic)
TR403, GU-3655-1 AUDIO P.W.B. 2SC2878(A/B)
503 UNIT
______________________________________________________________________________________
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:
DVD-5910, DVD-5910CI