1. Unzip the file, burn it as Audio-CD and finalize it.
File CD_SR805 123_08214A_07518A_07820B.wav is used for all other models of x05 series.
Please put the CD into the CD player and connect the player to Optical Input 1 of the receiver.
2. Switch on the receiver. Wait for 10 seconds. Then press and hold the “DISPLAY” button and while
holding it press the “STANDBY/ON” button. This will show in the display the main firmware versions
within the unit.
TX SR 705 – SR 875 and TX NR 905:
Within 3 seconds, press the Tone “ +“ button. Now the display showing the DSP 1 st firmware version,
press the “Return” button on the Receiver, then press Play on the CD Player. The Receiver’s display
will now say “S/PDIF Update…” for about 15 seconds then “Writing 1 st DSP…” for about 15 seconds,
than again S/DIF Update. Now you see “Writing 2 st DSP…” than again S/DIF Update before it
changes to “Writing 3 st DSP…” When the writing process has finished the display will say
“Complete!”, then “Clear”, then the Receiver will go to Standby mode. It is possible, that the unit will
not switch OFF automatically, in this case wait for another 10 minutes before switching OFF manually.
3. Now the update is complete! You can check that it has been successful if you read out the FW
version:
Switch on the receiver. Wait for 10 seconds. Then press and hold the “DISPLAY” button and while
holding it press the “STANDBY/ON” button. The display will show now the Firmware version's.
This will disappear from the display after a few seconds and the Receiver will return to its normal
mode.
If you experience any difficulties carrying out this update please contact ONYKO or your local authorised
Service station. Please note that ONKYO does not accept any responsibility for any damage or problems
caused by attempting or doing this update.