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100 Corporate Drive Mahwah, NJ 07430

Service Bulletin
No. : OST-F1379
Date: September 17, 2008
_____________________________________________________________

Model: AVR-3808CI

Subject: Correction of the Firmware via DPMS (Denon Product Management
Server).
Countermeasure is applicable only upon claim from the customer.

Symptom: 1) The unit does not come back to the last state of playback when
the user turns off the power while playing back Internet radio then turns the set
on.
2) The customer has connected a "USB-Stick memory" with more than 4GB.
Random-function of USB devices is not active.
3) Drop-outs via Ethernet playback from PC with "Windows Vista".
4) Addition of up-grade function for PAY-upgrade.

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.

______________________________________________________________________________________
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.
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.

Updating the firmware (Refer to the Instruction Manual.)
1) Turn the Power Supply of the unit off.
2) Connect the Ethernet terminal of the unit to the Network line by Ethernet
straight cable. (Don't use Ethernet cross cable.)
3) The connection of the network recommends the Ethernet cable for a certain
update.
4) Turn the Power Supply of the unit on.
5) The unit sets the Internet. It wishes waiting for about two minutes until
customer's router ends the setting.

Caution: The update doesn't succeed when the customer's set cannot connect to
the Internet correctly. In this case, please confirm the internet environment in the
customers house. Whether the AVR3080CI is able to receive Internet radio
correctly or not can be used to determine whether the Internet is properly
connected. There are some problems under the internet environment when the
Internet radio can not be received.

6) Press "MENU" button on the front panel and indicates the GUI menu.
7) Press "CURSOR" button.
8) The GUI indicates, "MANUAL SETUP" > "OPTION SETUP" > "Firmware
Update".

______________________________________________________________________________________
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.
Caution: The update interrupts when it is not possible to connect it with the
Internet correctly. In this case, please redo again from step 1).

9) Select "Start" on GUI.

______________________________________________________________________________________
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.
10) Press the "ENTER" button.
11) The firmware will start updating.

Caution: when the firmware update starts correctly, the GUI and the audio
signal, etc. everything stops, and becomes the update operation.

12) The GUI display disappears, and becomes only FL display.

13) During the updating, the FL Display indicates the procedure of update the
firmware. Time necessary for update: approximately 63 min.
Note: The update time might change depending on the situation of the DPMS
server and the speed of the Internet environment at the customer's house.

14) After upgrading, the FL Display indicates below.

15) The unit initializes automatically.

When the unit already updated the latest firmware, the FL Display indicates
following.

______________________________________________________________________________________
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.
Troubleshooting: If the display reads as shown below, check the settings and
network environment, then update again. The problem is not in the Internet
connection if the Internet radio can be able to be received correctly

______________________________________________________________________________________
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 during the updating operation:
1) Do not turn off the "DHCP" setting when you update the unit. (Initialization is
turning on.) Please execute it under the guidance of the IT staff with computer
skills when the setting of "DHCP" is unavoidably turned off by limiting the
electronic environment, and you set IP Address, the subnet mask, the default
gateway, and DNS, etc. for yourself. When a mistake is made in the setting with
"DHCP" turned off, the unit might not operate, and in the worst situation the unit
can be damaged. Please do not touch the setting of "DHCP" except in special
circumstances.
2) When the customer uses "Netgear router 614 Series" for updating, deactivate
"uPnP"in the router.
3) Do not turn off the Power of the unit during the updating operation.
4) If the Display has a fixed indication during the updating operation, wait longer
than total updating time. Then, turn off the Power of the unit and start the
updating operation from the beginning again.
5) The unit won't break down while updating it when the power supply of the unit
is turned off or the cable of the Internet is pulled out.
6) Please turn off and turn on the power supply when the unit becomes unstable.
7) Please execute initialization when it is not improved. Repair by service when it
is not improved.

Confirming the firmware's number after upgrading:
After completion of the updating operation, the new version number can be
confirmed by starting up the A/V Receiver according to the following procedure.
With the following operation, the A/V Receiver can be set to the Flash-ROM
Version-Number Confirmation Mode. Turn the power of the A/V Receiver on,
while holding both "STATUS" button and "RETURN" button on the front panel
simultaneously.

______________________________________________________________________________________
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.
Every time the "STATUS" Button is pressed, version numbers of the MAIN, SUB,
etc. are indicated on the front panel section in the following order.

Applicable Serial Number Range:
(Last 5-digits)

~ 12235

______________________________________________________________________________________
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.