Read Sharp LC-42AD5E (serv.man3) Service Manual online
LC-42AD5E/RU/S
3 – 7
7) Select: File
→ Transfer → XMODEM → Sent
8) Choose the file for upgrade and click “Open”.
9) After select “Open” the upgrade process starts as follows:
Click on the first or last page to see other LC-42AD5E (serv.man3) service manuals if exist.