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100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : DZ09-341
Date: April 30, 2010
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Model: AVR-2809CI, AVR-989
Subject: Correction of the Firmware via DFW (D&M Firmware Writer)
Countermeasure is applicable only upon claim from the customer.
Symptom: Crackling noise on surround back speakers during playback of
DTS-HD-MSTR 6.1 disc (BD "The Descent")
Solution: We corrected the firmware so that no malfunction occurs.
METHOD OF UPDATIMG the firmware via RS232C.
We will supply the following program files for updating the subject models.
Please refer to the following Instruction Manual for updating.
DFW software
DFW_0030_AVR_AVC2809_AVR989 (Rev.1.0.11).exe:
Firmware Update Program
DFW_0030_AVR_AVC2809_AVR989_Rev.1.0.11_manual_EN.pdf:
Instruction Manual for Firmware Update Program
Firmware AVR2809CI_AVR2809_AVC2809_AVR988_DZ09-341.bin.zip:
Firmware
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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.
Serial Number Range:
Please apply the above modification to the production models in the following
serial numbers.
AVR-2809CI, AVR-989 All Models
______________________________________________________________________________________
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.