Denon AVR-3806 Service Bulletin

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-3806
Version: FWCV_AVR3806_V0026
Date: 2006-08-07

The Operating Manual for DENON AV Receiver/Amplifier firmware update. Page 2 / 7

Index

1.

Preparations before starting the operation: .......................................... 3

1.1 Preparation for the Personal Computer: ............................................ 3

1.2 Preparations for the cables. ...................................................... 3

1.3 Connection diagram. ............................................................... 4

1.4 Install the DENON Flash ROM Writer Compact version. ............................... 4

2. Firmware update procedure............................................................ 5

2.1 Notice: ........................................................................... 5

2.2 Set the AV Receiver/Amplifier into the firmware update mode. ...................... 5

2.3 Run the DENON Flash ROM Writer Compact version. ................................... 5

2.4 Communication check. .............................................................. 5

2.5 Start the firmware update. ........................................................ 6

2.6 Complete the firmware update. ..................................................... 6

3. Specific update mode.................................................................7

4. Confirming the firmware’s number after upgraded ..................................... 7

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 SP1 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 9P(female)

cable

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.

D-Sub 9P(male) and D-Sub 9P(male)

Gender Changer