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100 Corporate Drive Mahwah, NJ 07430

Service Bulletin
No. : OST-F1376
Date: September 9, 2008
_____________________________________________________________

Model: S-52, S-32

Subject: Firmware Correction via DPMS (Denon Product Management
Server).

Symptom: Customer has 2 or more Music servers in his network. The
customer complaint says that it is sometimes impossible to change the music
server. If you like to change e.g. the Album or title from server 1 to Album from
server 2 the return button "blocks" (no return to another Music server is
possible).You can only select the first folder of the server 1. Only after switching
off and on, is it possible to select between all servers. Sometime operation is fine
and you can select between all different Music servers.

Solution: We corrected the firmware so that no malfunction occurs.
METHOD OF UPDATE via DPMS (Denon Product Management Server)
Updating the firmware (from Rhapsody function)
1) Please pull the AC cable out from the AC strip. (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.) The connection of the network
recommends the Ethernet cable for certain update.
3) Please insert the AC cable into the AC strip. (Turn the Power Supply of the
unit ON.)
4) Turn on the Power of unit by the "FUNCTION on/off" button.
5) The unit connects the Internet. Wait for about two minutes until customer's
router ends the setting.

______________________________________________________________________________________
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 doesn't succeed when the customer's unit cannot hook up
to the Internet correctly. In this case, please confirm the internet environment in
the customer's house. If Internet radio can be received correctly then the internet
is correctly connected. There are some problems under the internet environment
when the Internet radio cannot be received.

6) Either turn "Multi Jog" or press "SKIP REV/SKIP FWD" after pressing
"SOURCE" to select "SETUP" icon then press "ENTER".
7) Turn "Multi Jog" to select "Firmware Update" then press "ENTER".
8) Turn "Multi Jog" to select "Update Start" then press "ENTER".
9) The firmware will start updating.

10) During the updating, the LCD Display indicates the procedure of update the
firmware.
11) Time necessary for update: approximately 30 min.
Note: The update time might change depending on the situation of the DPMS
server and the speed of the Internet environment of the customer house.
12) After upgrading, the LCD Display indicates below.

13) The updating of Firmware has ended when the blank display continues for 10
seconds or more.

Caution: If you pull out the AC cable from AC strip before 10 seconds, the unit
will be damaged. Please wait 10 seconds or more before pulling the AC cable
from the AC receptacle.

14) Please pull out the AC cable from the AC strip. (Turn the Power Supply of
the unit off.)
15) Finish.
When the unit already updated the latest firmware, the FL Display indicates
following indication.

______________________________________________________________________________________
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.
Note: 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 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.
______________________________________________________________________________________
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) Please do not turn off the setting of "DHCP" 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 use "Netgear router 614 Series" for updating, "uPnP"
have to be deactivated in the router.
3) Please do not turn off the Power of the unit or pull out AC code during the
updating operation.
4) If the Display has kept indicating fixed 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.

Confirming the firmware's number after upgrading:
After completion of the updating operation, the new version number can be
confirmed by starting up the unit according to the following procedure. With the
following operation, the unit can be set to the Flash-ROM Version-Number
Confirmation Mode.

______________________________________________________________________________________
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.
1) Please pull the AC cable out from the AC strip. (Turn the Power Supply of the
unit off.)
2) Please insert the AC cable into the AC strip (Turn the Power Supply of the unit
on.), while holding both the "DIMMER" button and "SKIP REV" button on the
front panel simultaneously.
3) Turn on the Power of unit by "FUNCTION on/off" button.
4) Pressing the "SOURCE" button.
5) Either turn "Multi Jog" or press "SKIP REV/SKIP FWD" to select "SETUP"
icon then press "ENTER".
6) Turn "Multi Jog" to Select "Version Display" then press "ENTER".
7) The version of Firmware is indicated.

The version numbers of the firmware are indicated on the front panel section in
the following order.

Serial Number Range:
We will apply the above modification to the production models beginning from the
following serial numbers. (Last 5-digits)

S-52 03802 ~
S-52 WT 00498 ~
S-32 02531 ~

______________________________________________________________________________________
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.