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GA302003 Z07-195
AVR1508/1708 Firmware Update Instruction (Common for AVR488/588/688, AVC1508)
Contents Tools Remarks

Follow this instruction and the operating instructions for service Commercially avaiable
parts kit = "00DSPK-581" which to be used with. Commercially avaiable

1 Writer software = "FlashWriter(AVR-1708).exe"

2 Program File = " AVR1708_m0161d4254.bin"
(Use the latest version based on SDI.)

3 Jig setting and connection between jig and main unit.
Connect TP803 on CPU PWB ASSY in main unit and
CX707 on JG209-10 with 8P PH-PH CONNECTOR WIRE.
Set all the slide switch into the position as follows.
S702 VCSEL : 5V
S706 VNVSS : L
S707 EPM : L
S708 CE : L
S709 DSPBOOT : L




(3) Service parts kit: 00DSPK-581 Avaiable for service
8P connection cable included
4 How to set main unit into firmware update mode.
Put POWER ON/OFF switch on while pressing
"SPEAKER A" + "SURROUND BACK" (AVR1508/1708 E2, EUT, E1C
AVC1508-SP
"SPEAKER A" + "ZONE2" AVR1508/1708/588/688 E3
"SPEAKER A" + "TONE DEFEAT" AVR488 E3
buttons on front panel of main unit.
No LED and FL display should be lit (firmware update mode.)
5 Operation with writer software.
Procedure of writing software.
1) Start up Denon writer software on PC.
2) Window of FlashWriter(AVR-1708).exe
Cclick "Check communication" with the mouse.




4) Click "Select" with the mouse.
Store the firmware file : once per the Writer start.
5) Select file (*.bin) of the firmware in PC. (4) Program File: AVR1708_m0161d4254.bin Avaiable in SDI




6) Click "Update" with the mouse.




7) Confirm the following display.




6 How to confirm the firmware version.
Put POWER ON/OFF switch on while pressing
"RT" and "PTY" buttons / E2 models
"DIMMER" and "STATUS" buttons / Except E2 models
on the front panel of main unit.

Press "RT" / "DIMMER" to catch the product model name,
Main (CPU) and DSP firmware version.