DENON Service Bulletin OST-F1291 free download

File name Service Bulletin OST-F1291.PDF

100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : OST-F1291 Date: March 24, 2008 _____________________________________________________________ Model: DVD-2500BTCI Subject: Correction of the Firmware. Symptom: 1) When "AAC 5.1ch" signal plays back, "VFD" of the amplifier indicates "AAC 7.1ch". However, the output signal is 2ch. 2) When Blu-ray Disc that recoded AAC signal plays back, it does not output "Bit stream signal" on HDMI. 3) When unit plays BD Disc "Legend of Zorro (Sony pictures)", "MENU" picture is not displayed properly. (1) Does not display "MENU" picture. (2) Does not close "MENU" picture or close it. Solution: The malfunctions occurs because of bugs in the FE and BE firmware. MODIFICATION: Record each program file onto a blank CD-R separately, and update the unit upon repair of the unit. * Program Files to be supplied: Version after the update: 1.013 Note: Upon recording the Disc: a) When recording the supplied file on the blank CD-R, the format shall be "ISO9660" and the session shall be "CLOSE". ______________________________________________________________________________________ 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. b) When recording the supplied file on the disc, please use the lowest recording speed that is available on your PC. If the file is recorded at a higher speed, the rewriting operation may fail due to improperly recorded data on the disc. 1) Rewriting procedures of the FE/BE ROMs. (1) Turn the Power Supply of the unit on. Press the "OPEN/CLOSE" button and open the Disc Tray. (2) Put the recorded CD-R on the Disc Tray and press the buttons on the remote control in the order of "9", "8", "7", "6" and "POP UP MENU/MENU". (3) The Disc Tray closes, the FL Display indicates "F/W-UP" and the update of the firmware starts automatically. (4) After indicating the "Ver: 1013" on the FL Display, the Disc Tray opens automatically. (5) Take out the Disc from the Disc Tray. (6) Do not turn off the Power Supply of the unit! (7) The FL Display indicates from "0%" to "100%". (8) The FL Display indicates "100%", and then indicates "9C1C" of checksum. (9) The new firmware is installed completely. (10) Press the "OPEN/CLOSE" button and close t