Question about LG Televison & Video
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.
Posted on Dec 28, 2016
It sounds like your antenna is having issues with its signal strength. Try moving it a little. Be sure it is aimed towards the tv stations tower. There are apps to tell you where your closest over the air signals come from. Good luck.
Posted on Dec 28, 2016
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Posted on Jan 02, 2017
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1.1 Press MENU to access MAIN MENU screen,
then press CH UP (8) or DOWN (9) to
move the " " mark to "SET UP".
1.2 Press VOL (+) or (-) to access SET UP
mode, then press CH UP (8) or DOWN (9)
to move the " " mark to "CH SETTING".
1.3 Press VOL (+) or (-) to access CH
1.4 Press CH UP (8) or DOWN (9) to move
the " " mark to "CH SEARCH", then press
VOL (+) or (-) to access CH SEARCH
2.1 Press VOL (+). The tuner will search
through all available channels in your area
and add them into the TV's memory.
2.2 Press VOL (-). CH SEARCH will stop at
the current channel and will not add any
2.3 Press MENU to exit.
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