Denon DVD-5900 Service Bulletin OST-858

100 Corporate Drive Mahwah, NJ 07430

Service Bulletin

No. : OST-858
Date:

May 17, 2007

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Model:

DVD-5900

Subject: Countermeasure for improving malfunctions upon recording a MD

and upon playing back particular DVD Audio disc.

Symptom: 1) When digitally recording a CD-DA on a MD, there is a case that

the Track number is not automatically incremented when switching a Track.

2) When playing back a DVD Audio (J. S. BACH: Works for Flute), the sound
interruption occurs at G1, T1 0:03:38.

Solution:

customer's unit upon claim.

• When recording the file on the CD-R, the Format shall be "ISO9660", and the
Session shall be "CLOSE".

• Modification Procedures:

1) Connect the Image Output Terminal of the VIDEO OUT or S-VIDEO OUT on
the unit to a TV.

2) Turn on the Power of the unit, open the Loader and set the previously
recorded CD-R for rewriting to the Loader.

3) Press the "OPEN/CLOSE" button.

4) The FL Display indicates "LOADING" and the Loader opens automatically
upon completion of the rewriting operation. Take out the Disc from the Loader.
During the rewriting operation, "ERASE" and "WRITE" appear repeatedly on the
TV Screen, and "DONE" is indicated at last.

5) Turn off the Power of the unit once. While holding the "PLAY" and
"OPEN/CLOSE" buttons down simultaneously, turn on the Power of the unit.
When the " >|| " mark was indicated on the FL Display, press the "PUSH ENTER"
button, so that the following Versions are indicated.

Please record the following File on a blank CD-R, and upgrade your

______________________________________________________________________________________

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:

"ESS6334-F, MAKE DAY A27, DRV **** (Firmware of the Drive MICON),
SYSTEM **** (Firmware of the Front MICON)"

Caution during the Rewriting Operation:

• Please

do not turn off the Power of the unit during the rewriting operation!

• If the Power was interrupted during the operation, replacement of the Flash IC
(IC102) may be required.

• When the Display does not turn into "DONE", while it is indicating "LOADING",
wait for more than two minutes after closing the Loader and turn off the Power of
the unit once. Then, turn on the Power of the unit and start the rewriting
operation from the beginning again.

Parts:

Ref# Version Part Number

NA Ver.6334-F D39hsavd.cfw

Serial Number Range:

Please apply the modification to all models in the field upon claim.

______________________________________________________________________________________

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: