Denon DVD-5910, DVD-5910C Service Bulletin OST-C1152

100 Corporate Drive Mahwah, NJ 07430

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:

Please remove the listed transistors from the customer's unit upon claim of noise.

Remove the following transistors: TR403, 503.

______________________________________________________________________________________

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:

Parts:

Ref# Board Location Part Number (Generic)

TR403,

503

______________________________________________________________________________________

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.

GU-3655-1 AUDIO P.W.B.

UNIT

CONFIDENTIALITY NOTICE:

2SC2878(A/B)