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The Operating Manual for DENON AV receiver/amplifier firmware update. Page 1 / 7

The Operating Manual for
DENON AV receiver/amplifier firmware update.

"DENON Flash Rom Writer Compact Version."

Model Name: AVR-2310 / AVC-2310
Version: FWCV_AVR_AVC2310_AVR890_V0079
Date: 2009-10-29
The Operating Manual for DENON AV receiver/amplifier firmware update. Page 2 / 7

Index

1. Preparations before starting the operation:
1.1 Preparation for the Personal Computer:
1.2 Preparations for the cables.
1.3 Connection diagram.
1.4 Install the DENON Flash ROM Writer Compact version.
2. Firmware update procedure.
2.1
2.2 Turn on the AV receiver/amplifier.
2.3 Run the DENON Flash ROM Writer Compact version.
2.4 Communication check.
2.5 Start the firmware update.
2.6 Complete the firmware update.
3. Specific update mode.
4. Confirming the firmware's number after upgraded
The Operating Manual for DENON AV receiver/amplifier firmware update. Page 3 / 7

1. Preparations before starting the operation:
1.1 Preparation for the Personal Computer:
Minimum hardware and software requirements:
Type PC/AT compatible
CPU Intel Pentium/Celeron300MHz or faster
RAM 128MB or more
Free hard disc space 25MB or more
OS Windows XP Home Edition / Professional SP2 or more
Display resolution Super VGA (800x600) or more.
Port. Serial COM port (D-Sub 9pin)
Communication speed RS-232C:115,200bps

1.2 Preparations for the cables.
Serial Straight Cable for RS-232C consisting of D-Sub 9P(female) and D-Sub 9P(female) cable.
D-Sub 9P(male) and D-Sub 9P(male) Gender Changer.

D-Sub 9P(female) and D-Sub Gender Changer
9P(female) cable D-Sub 9P(male) and D-Sub 9P(male)

Note: There is the RS-232C(Male and Female) 9P cable like the following picture on the market.
Then you don't need to use Gender Changer.
However, Please confirm a nut part. If you can't remove the nut part, then you can't use this cable.
Because, AV receiver/amplifier RS-232C port also has the nut. You can not insert cable as physical
conflict.
The Operating Manual for DENON AV receiver/amplifier firmware update. Page 4 / 7

1.3 Connection diagram.
Connect the RS-232C cable between RS-232C port of PC and RS-232C port on rear panel of
AV Receiver.

RS-232C
Straight cable.
PC AV receiver
/ amplifier

Rear Panel

1.4 Install the DENON Flash ROM Writer Compact version.
(1) Execute the "FWCV_AVR_AVC2310_AVR890_V0079_SETUP.exe".
(2) Install utility according to message.
(3) After installed, you can see the `DENON FWCV_AVR_AVC2310_AVR890_V0079 icon on
desktop.

DENON
FWCV_AVR_AVC2310
_AVR890_V0079

2. Firmware update procedure.
2.1
Please keep the following notice for firmware update.
a) Keep the PC environment refer to 1.1.
b) Avoid the communication cable from the electrical noise source.
(e.g. telephone cable, AC line, a fluorescent light)
c) Don't remove cable during update.
d) Don't turn off the power during update.
e) Don't run other PC application during update.
f) Stop the resident program on PC. (Virus checker and System check utility, etc)
g) Stop the screen saver ability on PC.
h) Stop the power save ability on PC.
i) In case of laptop PC, Use the AC adaptor.
The Operating Manual for DENON AV receiver/amplifier firmware update. Page 5 / 7

2.2 Turn on the AV receiver/amplifier.
Operate the following. Turn on the AV receiver/amplifier.
1) Turn on the power switch of the AV receiver/amplifier.
2) Confirm the power indicator is green. If the power indicator is red, Make the power indicator green
pushing the ON/STANDBY button.

2.3 Run the DENON Flash ROM Writer Compact version.
Run the `DENON FWCV_AVR_AVC2310_AVR890_V0079 on desktop of PC.

DENON
FWCV_AVR_AVC2310
_AVR890_V0079

2.4 Communication check.
1) Select the serial port number of PC.
2) Click the "Check communication" button.

3) If connection is good, then you can see the"Communication check OK."message.
The Operating Manual for DENON AV receiver/amplifier firmware update. Page 6 / 7

4) Please wait 1 min at least. If connection is not good, then you can see the "Communication
check NG!" message.

Please confirm the following.
a) Check the connection of the AV receiver/amplifier and PC.(refer to 1.3).
b) Check the operation mode of the AV receiver/amplifier. (refer to 2.2).
c) Check the selection of the RS-232C port number of PC. (refer to 2.4(1)).

2.5 Start the firmware update.
Click the "Update" button.

2.6 Complete the firmware update.
1) When Update utility completed the firmware update, you can see the "Update completed. message.

2) If you can't complete the firmware update, please retry the firmware update from 2.2.
However, If you failed update during Main CPU update, then you need to use a specific update
procedure (refer to 3).
The Operating Manual for DENON AV receiver/amplifier firmware update. Page 7 / 7

3. Specific update mode.
If you failed update during Main CPU update, then you need to use this specific update procedure.
1) The AV receiver/amplifier is connected with PC with the RS-232C cable. Refer to 1.3.
2) Push the [Surround MODE < ] + [MENU] button simultaneously.
And turn on the power switch of the AV receiver/amplifier.
3) Power indicator indicates red color. This is specific update mode.
4) Please execute the firmware update. Refer to 2.3.

4. Confirming the firmware's number after upgraded
After completion of the updating operation, the new version number can be confirmed by starting up
the AVR-2310 or AVC-2310 according to the following procedure.
With the following operation, the AVR-2310 or AVC-2310 can be set to the Flash-ROM
Version-Number Confirmation Mode.
Turn the power of the AVR-2310 or AVC-2310 on, while holding both [DIMMER] button and
[STATUS] button on the front panel simultaneously.

DIMMER STATUS Turn
Power ON

Every time the [STATUS] Button is pressed, version numbers of the S/N, Main, Sub,
etc. are indicated on the front panel section in the following order.
Depression Button Name Remarks
AVR2310 XX
-
1 STATUS or AVC2310 XX
S/N. xxxxxxxxxx
Main Ver00.69
2 STATUS
Sub Ver00.30
3 STATUS
DSP Ver50.14
4 STATUS
Audio PLD Ver00.48
5 STATUS
OSD Config
6 STATUS
200905080009
OSD PRG
7 STATUS
200905290030
OSD DAT
8 STATUS
200905290011

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