Denon dvd-5900 ost-843 Service Manual
100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-843
Date:
Date:
May 15, 2007
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Model:
DVD-5900
Subject:
Countermeasure for improving the unit that is incapable of
memorizing the SACD Filter setting.
Symptom:
The unit is incapable of memorizing the 100kHz setting even
though the SACD Filter has been set to 100kHz, and it returns to the default
setting of 50kHz when the Power is turned off.
setting of 50kHz when the Power is turned off.
Solution:
The ESS Microprocessor Software has been corrected.
We will supply the following program file for upgrading the Back-end ROM.
Therefore, please record the file on a blank CD-R and upgrade your customer's
unit upon claim according to the following procedures.
• Version of the Program File: Ver.6334-D
• Name of the file: D39hsavd.cfw
Therefore, please record the file on a blank CD-R and upgrade your customer's
unit upon claim according to the following procedures.
• Version of the Program File: Ver.6334-D
• Name of the file: D39hsavd.cfw
Modification Procedures:
1) Record the above Program File on a blank CD-R Disc and create the CD-R
(Ver.6334-D) for upgrading the Back-end ROM.
Note: When recording the file on a blank CD-R, the format shall be "ISO9660"
and the Session shall be "CLOSE".
2) Upgrade the System MICON by means of the CD-R (Ver.6542-3) for
upgrading the System MICON that has been supplied via the OST-831. (Refer to
the attached Sheet 1.)
3) Then, use the CD-R (Ver.6334-D) for upgrading the Back-end ROM and
upgrade the Back-end ROM. (Refer to the Attached Sheet 1.)
(Ver.6334-D) for upgrading the Back-end ROM.
Note: When recording the file on a blank CD-R, the format shall be "ISO9660"
and the Session shall be "CLOSE".
2) Upgrade the System MICON by means of the CD-R (Ver.6542-3) for
upgrading the System MICON that has been supplied via the OST-831. (Refer to
the attached Sheet 1.)
3) Then, use the CD-R (Ver.6334-D) for upgrading the Back-end ROM and
upgrade the Back-end ROM. (Refer to the Attached Sheet 1.)
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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.
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.