Read Sharp LC-42LE771E Service Manual online
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LC-42/50LE772
LC-42/50LE771
Main SW update
In MB90 project there is several file of software. From following steps software update procedure can be seen:
1. MB90_en.bin and usb_auto_update_A1.txt documents should copy directly inside of a flash
memory (not in a folder). In some case, it could be necessary to include additional file:
mboot_spi.bin.
2. Insert flash memory to the TV in USB-1 port when TV is powered off. USB-1 port is just above of
yellow SIDE AV connector.
3. While pushing the OK button in remote control, power on the wait until LEDs blink quickly. TV
will power-up itself.
4. When the standby LED starts to blink rapidly, you can release the OK button.
5. If First Time Installation screen comes, it means software update procedure is successful.
6. After FTI menu appears, you should power OFF and ON the TV set.
7. Updated software version might be checked from service menu (menu--- 4, 7, 2, 5)
[2] SOFTWARE UPDATE
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