Question about LG 52SX4D 52" HDTV
You have a bad mainboard.
They are available at http://www.encompass.com and are not that difficult to replace. This is a common problem with the LG units and don't be surprised if it takes a while to get a board.
Thanks for using FixYa and for the generous rating.
Posted on Sep 27, 2010
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Posted on Jan 02, 2017
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