Denon DVD-2910, DVD-3910, DVD-955 Service Bulletin OST-C1311

100 Corporate Drive Mahwah, NJ 07430

Service Bulletin

No. : OST-C1311 Date: May 9, 2008

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Model: DVD-2910, DVD-955, DVD-3910

Subject: Correction of the Firmware*.

*Countermeasure is only for a claim from the customer.

Symptom: Noise when playing specific CDDA disc.

Solution:

occurs.

The Back-end software has been improved so that no malfunction

MODIFICATION: Record the file onto a blank CD-R separately and individually, and update the Back-end firmware in your customer's unit upon refurbishment of the unit and/or customer claim.

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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.

Cautions:

• When recording the file(s) on a blank CD-R, the format shall be "ISO9660" and the session shall be "CLOSE".

• When recording the program file on the CD-R, please record it at the 4-times speed of the normal speed.

• When the 4-times speed is not available, please record it at the minimum speed that is available in your machine.

• If the file was recorded at a high speed, such as 32 or 48 times speed of the normal speed, the upgrading may fail due to the data incorrectly recorded on the CD-R.

Program files to be supplied this time:

1) For the DVD-2910 and DVD-955:

• Name of the File: d21zsavd.cfw

• Version: GEN8281-4/MAKE DAY 327

2) For the DVD-3910 equipped with the 2nd or 3rd Edition of DENON Link (1) DVD-3910 equipped with the 2nd Edition of DENON Link:

• Name of the File: d31zsavd.cfw

• Version: GEN8280-6/MAKE DAY 327 (2) DVD-3910 equipped with the 3rd Edition of DENON Link:

• Name of the File: d31zsavd.cfw

• Version: GEN8280-6/MAKE DAY 327D

Cautions:

In the case of model DVD-3910/2910/955, the contents of the program files differ although their names are the same. Therefore, please do not apply the program file for the 3rd Edition DENON Link to the unit that is equipped with the 2nd Edition, and the program file for the 2nd Edition of DENON Link to the unit equipped with the 3rd Edition. If you rewrote the unit by mistake, rewrite it again using the correct program file.

• How to identify the unit to which the 2nd or 3rd Edition of DENON Link has been applied: Please confirm the version of the DENON Link at the SETUP of the unit according to the following procedures.

1) Switch the Power of the unit on, and press the "SETUP" button so that the SETUP OSD is displayed.

2) Adjust the cursor to the item of DENON Link in the DIGITAL INTERFACE SETUP.

3) If the items of the DENON Link are "OFF" and "2nd" only, the unit is conforming to the 2nd Edition of the DENON Link. If the items are "OFF", "2nd" and "3rd", then the unit is conforming to the 3rd Edition.

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CONFIDENTIALITY NOTICE:

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