Yamaha RX-V381 Service Manual page 132

RX-V381/HTR-3069
Troubleshooting
CASE 1
Error message appeared during the update
Cause:
Method:
CASE 2
Firmware update doesn't start for other reasons
●
Receiver doesn't power up after the update.
●
Or, error message appeared when confirming the firmware version.
Recovery method using USB method:
USB UPDATE
132
For some reason, the receiver can't read the firmware data.
For your solution, check the following
❏
USB thumb drive is connected properly to the receiver.
❏
USB thumb drive is not password protected.
(AV receiver cannot read data from a security protected USB thumb drive)
❏
Make sure the USB thumb drive is inserted before the receiver is powered on for the
update.
❏
The firmware data, xxxxx-xxxx.bin is stored in the root directory of the USB thumb drive.
❏
There is no other data except the firmware data in the USB thumb drive.
❏
No folders are created in the USB thumb drive.
Else, retry the update by USB using another USB thumb drive.
1. Unplug the AC power cable from wall outlet.
2. Insert the USB thumb drive which has the firmware data stored inside, into the USB port
located on the front panel.
3. Press and hold the INFO key and keep it pressed while you plug the AC power cable
back into the wall outlet again.
" USB UPDATE " will appear on the front display. Then, release the INFO key.
4. The update will start automatically.
5. When " UPDATE SUCCESS
the display, firmware update is completed.
Power off the receiver and remove the USB thumb drive.
6. Confirm updated firmware version.
UPDATE SUCCESS
INFO key
" , " PLEASE... " and " POWER OFF!
PLEASE...
USB port
RX-V381 / HTR-3069
" appears on
POWER OFF!
8