Sharp LC-37D40U Service Manual page 20

LC-37D40U
LC-45D40U
How to upgrade the software
1 Shut off the AC power (i.e. unplug the AC cord).
2 Insert the SD card for version upgrade (prepared as above) into the service socket located lower side from
center at terminals, above S-VIDEO terminal in the rear of the unit, in a way that the cut corner of the SD
card comes at the upper side.
Note: If the SD card is inserted in a wrong way, the card will go deep inside the unit beyond retrieval. Take
due care to insert the SD card correctly.
3 Turn on the AC power (i.e. plug in the AC cord).
4 After the unit startup, the system upgrade screen as shown below appears within 20-40 seconds.
SYSTEM UPGRADE
Program
EEPROM
Part Init
OLD Version
NEW Version
5 Even a single failure in the process will trigger the upgrade failure screen as shown below. The word
"NG" changes to red for the item failed.
Note: In the event of a failure, repeat the upgrading process. If the process repeatedly fails, it is likely that the
hardware is troubled.
UPGRADE FAILURE
Program
EEPROM
Part Init
OLD Version
NEW Version
6 Upon completion of the whole process, the upgrade success screen as shown below appears. You can
check the new software version on this screen. The version information appears after the upgrade is
complete.
UPGRADE SUCCESS
Program
EEPROM
Part Init
Main Version
M150
12%
U0601051
U0601241
NG
24%
NG
U0601051
U0601241
NG
100%
NG
U0601241
20