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100 Corporate Drive Mahwah, NJ 07430

Service Bulletin

No. : OST-F1566

Date: August 28, 2009

_____________________________________________________________

Model: AVR-4310CI

Subject: Correction of the Firmware via DPMS (Denon Product Management

Server).

Countermeasure is applicable only upon claim from the customer.

Symptom: 1) A/V receiver and DVD-A1UDCI/A1UD are connected with

DENON LINK 4th. When a specific disc is reproduced, the sound might not be

emitted.

2) The sound might not be emitted while specific BD software is reproducing.

3) The bit rate of iPod displayed on the GUI screen was deleted.

4) Preset information on Internet radio/media server is not maintained when

turning off power.

5) Because the Rhapsody server becomes SSL correspondence, the log in

processing is changed.

6) ASD-51 cannot be recognized on the network when ASD-51 is connected, and

neither Party Mode nor Network Status operates.

7) The communication fault might occur when Audyssey Pro is used.

Solution:

We corrected the firmware so that no malfunction occurs.

Read me at first! Please initialize the unit before updating the firmware if you

have never updated the firmware of the unit via "DPMS". When you already

updated the firmware of the unit via "DPMS", it is not necessary to initialize the

unit again.

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.

______________________________________________________________________________________

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.

Summary of content (7 pages)

PAGE 1
00 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : OST-F1566 Date: August 28, 2009 _____________________________________________________________ Model: AVR-4310CI Subject: Correction of the Firmware via DPMS (Denon Product Management Server). Countermeasure is applicable only upon claim from the customer. Symptom: 1) A/V receiver and DVD-A1UDCI/A1UD are connected with DENON LINK 4th. When a specific disc is reproduced, the sound might not be emitted.
PAGE 2
4) The FL Display indicates all digits at interval a second. 5) Turn off the "Power switch" of the unit. 6) Please update the firmware of the unit via DPMS. (Go to item 7-1.) 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.
PAGE 3
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.
PAGE 4
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 21 min.
PAGE 5
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.
PAGE 6
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.
PAGE 7
Serial Number Range: Please apply the above modification to the production models in the following serial numbers. (Last 5-digits) 00001 ~ 05040 ______________________________________________________________________________________ CONFIDENTIALITY NOTICE: The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their employees.