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100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-F1426
Date: October 23, 2008
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Model: DVD-1940CI, DVD-758, DVD-1740, DVD-558
Subject: Correction of the Firmware.
Countermeasure is applicable only upon claim from the customer.
Symptom: 1) When the DVD disc where the copyright is not protected is
reproduced, the video aspect ratio cannot be detected. (For DVD-1740, DVD-
558)
2) To add the SRM (System Renewability Message) function from new models.
(For DVD-1740, DVD-558)
Solution: We corrected the firmware so that no malfunction occurs.
MODIFICATION: We will supply the following program files for updating the
subject models. Therefore, please record each program file on a blank CD-R
separately, and update the unit upon claim from the customer.
Parts:
Program Files to be supplied:
Ref# Description Part Number
DVD-1940CI Program File E6EE0UD107D1.ab8
DVD-758 Program File E6EE0UD107D1.ab8
Version after the update: 1.07
Ref# Description Part Number
DVD-1740 Program File E6E80UD108D1.ab8
DVD-558 Program File E6EH0UD108D1.ab8
Version after the update: 1.08
______________________________________________________________________________________
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:
1) When recording the file(s) on a blank CD-R, the format shall be "ISO9660" and
the session shall be "CLOSE".
2) When recording the program file on the CD-R, please record it at the 4-times
speed of the normal speed.
3) When the 4-times speed is not available, please record it at the minimum
speed that is available in your machine.
4) 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.
Update Procedures:
Please refer to the Service Manual.
Serial Number Range:
We will apply the above modification to the production models beginning from the
following serial numbers. (Last 5-digits)
DVD-1940CI 19201 ~
DVD-758 06001 ~
DVD-1740 26901 ~
DVD-558 14901 ~
______________________________________________________________________________________
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.