Sanyo LCD-22XR9DZ Service Manual page 14

3） Power on, be sure to switch to ATV or DTV channel and not to display OSD interface; insert the U
disk into a USB port, then USB upgrading process will begin automatically;
4） During upgrading, OSD prompt will be displayed in turn as below:
A、Searching USB...
A prompt will be displayed as above immediately after inserting a U disk
B、Loading...
Now is the time for reading data from the U disk with an U disk indicator light twinkling
C、Updating！Please don't power off!!!
Now an indicator light of the set is twinkling and changing colors by turn, an OSD indicating bar
is prompting upgrading schedule until 100% burning process is completed; then the set will be
in standby state after the burning process completed.
5） Start up the set again, enter into factory menu to confirm software version and time parameters;
then execute "RESET ALL" to complete the whole burning process.
*** Method of burning from USB could not be sure to be suitable for all kinds of U disks, so please try
other U disks if necessary.