How to disable front panel buttons or remote control on LG TV.
1. Enter Installation menu (hotel mode), Hold down SETTINGS button for at least 5 sec.
(* if your remote control doesn't have it hold down HOME button)
3. Enter password 1105 (*If you don't know the password, you have to enter INSTART service menu (/watch/)MxoZWqHL_7FLo and go to option 13. Access Code. That's your pass.
You can also enter Installation Menu from INSTART : /watch/wkyc7D0_WNl_c
Enter InStart service menu (from this video /watch/)MxoZWqHL_7FLo (pass 0413), after the service menu is displayed press SETTINGS on the remote control - Installation Menu should appear now.
4. Follow the video.
5. Local Key Operation - set to NO - Front panel buttons are disabled / LG IR Operation set to NO - Remote Control is disabled.
6.Done.
How to enter Installation menu ( HOTEL MODE ) : /watch/srrtvemJKPCJt
How to enter LG Service Menu : /watch/gxMbIjjqdc-qb