Yamaha RX-V765 Owner's Manual page 101

Firmware Update Procedure for RX-V465/565/665/765
IN CASE OF ERROR
Case1 Display on the receiver "CDDA UPGRADER" doesn't change after
playing the CD/DVD player.
‹ Check digital cable wiring. Only optical or coaxial connection can be
used for this update. HDMI connection will not work.
‹ Check digital out setting. When using DVD players, make sure the
digital out is set to "PCM". Once update is complete, reset DVD
player to its original settings.
‹ Check update disc. Make sure that your CD-R/RW is finalized and
created as an "AUDIO CD". (playable on any CD/DVD player)
‹ If all above are cleared, your CD/DVD player may not be suited for
this update. Try another CD/DVD player or contact your local
authorized service center to update the receiver for you.
Case2 Other unintended error occurred.
‹ "ERROR" was displayed during the update
‹ Receiver doesn't power up after the update.
Solution: Try the following recovery method
Step PL1. Unplug the AC power cable of the Yamaha receiver from wall
outlet.
Step PL2. On the front panel of the AV receiver, press and hold the
[STRAIGHT] button and keep it pressed, which you plug the
AC power cord of the Yamaha receiver to the wall outlet.
Once the front panel displays "CDDA UPGRADER" release
the [STRAIGHT] button.
Step PL3. Go to Step 5 START FIRMWARE UPDATE.
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