Denon DVD-755, DVD-1910 Service Bulletin
100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-864
Date:
June 5, 2007
_____________________________________________________________
Model: DVD-755, DVD-1910
Subject: Upgrading the Firmware Version for improving issues with the DVI
connection.
Symptom: 1) When the DVI-D terminal of the above models was connected to
the DVI-D terminal of the TH-AE500 Projector manufactured by Matsushita® by
means of DVI-D cable, there is a case that the DVI Video changes into noise and
is not displayed properly.
2) When AVR-5805 or Matsushita's® SA-RX70 Digital Amplifier was connected to
the above models as a DVI Repeater, the signal latch of the Player occurs, the
certification is not performed properly and the Image turns into video noise.
3) At the DVI Output Video of 720p/1080i, the left-upper portion on the screen of
the PAL models among the above models is partially missing.
Solution:
MODIFICATION: (Upon Claim)
Record the files on one blank CD-R and update the Firmware of your customer's
unit upon claim.
• Program Files:
The Firmware has been improved.
______________________________________________________________________________________
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:
Note:
1) Regarding the update procedures of the Firmware, please refer to the Service
Manual.
2) The Versions for all the subject models after the update are 1.12.
Caution during the Rewriting Operation:
• Please do not turn the Power of the unit off during the updating operation!
• When recording the program file for updating on a CD-R, please record it at the
4-times speed of the normal speed. If the 4 times speed was not available,
please record it at the minimum speed that is select-able in your machine.
If the program file was recorded at a high speed, such as 32 or 48 times speed of
the normal speed, the updating may fail due to the data incorrectly recorded on
the CD-R.
• If the Power was interrupted during the operation, replacement of the DVD Main
CBA Unit (P. W. Board) may be required.
• When the Display does not turn into "DONE" and it continues 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 again from the beginning.
Serial Number Range:
DVD-755 4077300001 ~ 4107307300
DVD-1910 4077300001 ~ 4107318297
______________________________________________________________________________________
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:
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