Denon DVD-1940CI, DVD-558, DVM745 Service Bulletin

100 Corporate Drive Mahwah, NJ 07430

Service Bulletin

No. : OST-C1357
Date: July 31, 2008

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Model: DVD-1940CI, DVD-558, DVM-745
Subject: Replacement of the Servo Drive IC.

Countermeasure is applicable only upon claim from the customer.

Symptom: 1) Disc Tray cannot be open.

2) The lens of the laser picking up doesn't move up and down when the disc is
read. (Focus doesn't operate correctly.)

3) The disc doesn't turn.

4) The tracking servo doesn't work correctly.

Solution: Replace the SERVO DRIVE IC (IC301) on the "DVD MAIN CBA

UNIT". Change the "SIRAN manufacturing (SA5624G)" IC to a "Rohm
manufacturing (BA5888FP)".

How to replace IC301 on "DVD MAIN CBA UNIT"?
See the following for details:

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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:

______________________________________________________________________________________

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.

______________________________________________________________________________________

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: