Sanyo LED-46XR10FH Service Manual page 16

Note 3: Method of online burning and upgrade through USB:
a) Make sure that U disk is formatted as "FAT32";
b) Copy firmware to U disk with name of "Merge.bin";
c) Turn on the TV set, press key "SOURCE" first, then press keys "2, 5, 8, 0" in turn to enter into
initial factory menu at any channel;
d) Enter into factory menu, select item "Software Update", press key "OK", a prompt "Are you
sure?" will display, select option "Yes", then software will auto-search file "MERGE.bin" in the
USB memory to begin upgrade, detailed upgrading processes are below:
1) Read data from USB memory, a prompt "Unknown image type" will display if upgrading file
is wrong;
2) If upgrading file is right, a prompt "Software upgrading..." and percent of upgrading
progress will display, while indicated light is twinkling at the same time;
3) The unit will restart after upgrading processes has completed;
e) Restart the unit, enter into factory menu, confirm software parameters - version and time, then
execute "EEPROM Init" to complete the whole upgrading processes;
f) USB burning method could not be sure to all kinds of U disks, so please try another U disk if one
is inapplicable.