Question about LG 47LG50 47 in. LCD HDTV
There's something wrong with the control processor - it has gone malfunctioning. The only thing you can do is to open the tv and check that the connections to the logic board are firm . If the connections are good the the problem is in the processor itself and that can't be fixed. Since it's soldered on the logic board then that board will have to be replaced.
You can find it here
You must be very careful when replacing it - the ribbon connectors must be inserted fully and correctly without forcing, beware, they are fragile.
Posted on Sep 13, 2010
If you have unplugged the unit overnight and the problem is still happening then the problem lays withing the main printed circuit board or the main board.
I suggest contacting LG to find their closest authorised repair agent to obtain a main board or to have them look at the product.
Other things to ensure and to try is that your remote has fully charged batteries and you havn't spilt any substance that could be causing the remote button membrane to stick. Does this occour on all inputs as well as all channels? I also suggest doing a factory reset.
I hope this offers some assistance. Good luck.
Posted on Sep 12, 2010
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Posted on Jan 02, 2017
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