Denon avr-3808ci dz09-331 Service Manual
100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. :
DZ09-331
Date:
April 27, 2010
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Model:
Pay
Upgraded
AVR-3808CI
Subject:
Correction of the Firmware via DPMS (D&M Product Management
Server).
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.
Solution:
We corrected the firmware so that no malfunction occurs.
METHOD OF UPDATE via DPMS (Denon Product Management Server)
Read me first!
When you already updated the firmware of the unit via "DPMS", it
is not necessary to initialize the customer’s unit again. At this time, please skip
item "Preparation of the update ".
Preparation of the update.
We didn’t show this preparation Instruction on Instruction Manual. Please explain
additional this Instruction to the customers when updating the firmware.
item "Preparation of the update ".
Preparation of the update.
We didn’t show this preparation Instruction on Instruction Manual. Please explain
additional this Instruction to the customers when updating the firmware.
Caution:
It is necessary to initialize the unit before the update work begins. The
customer has to initialize their A/V product. Please update the firmware after you
confirm this matter to the customer beforehand.
1) Turn off the "Power switch" of unit.
2) Open the door on the front panel.
3) While holding the "△" and "▽" buttons (SYSTEM CONTROL) down
simultaneously, turn the "Power switch" on.
4) The FL Display indicates all digits at interval a second.
5) Turn off the "Power switch" of the unit.
confirm this matter to the customer beforehand.
1) Turn off the "Power switch" of unit.
2) Open the door on the front panel.
3) While holding the "△" and "▽" buttons (SYSTEM CONTROL) down
simultaneously, turn the "Power switch" on.
4) The FL Display indicates all digits at interval a second.
5) Turn off the "Power switch" of the unit.
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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.