Service mode info for most LG TV
1.TV ON
2.Press and hold both OK buttons,(TV and remote) for 5 seconds.
3.Select desired screen with yellow button on remote unit.
4.Remember originall settings!
![Smiley](https://www.ubmthai.com/leksoundsmf3/Smileys/default/smiley.gif)
)) or may be
![Sad](https://www.ubmthai.com/leksoundsmf3/Smileys/default/sad.gif)
(( if not do!
5.Make correction.
6.Press "OK" button for saving.
7.TV off.
P.S.Remote control unit mast to be original from LG and mast have "OK"
Button!
-Other secrets:
Press and hold for 8 seconds "OK" button on Tv - demo mode
out of demo - press any key.
![Tongue](https://www.ubmthai.com/leksoundsmf3/Smileys/default/tongue.gif)