Question about LG 37LC7D 37 in. LCD HDTV
That is a very common symptom of a failure of the filter capacitors in the power supply board. You can either purchase a new power supply board which runs about $75-85 or you can rebuild your board for less than $20. If you want to rebuild your board you will need to replace the defective capacitors on the board. Here is a link to information showing where the capacitors are located on the board and the values needed to do the replacement.
I hope this helps you out,
Posted on Nov 26, 2012
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Posted on Jan 02, 2017
Power supply board is dead.Replaced the power supply board will solved this problems.Tries websites Shopjimmy.com,Ebay.com for a refurbish power supply board for the replacement.
Posted on Mar 02, 2010
There are red,white,and yellow wires at the back of the T.V. Make sure
that the yellow wire is plugged into the yellow plug in hole, white wire has to be plugged into the white plug in hole, and the red wire plugged into the red plug in hole.Sometimes for the red wire you have to plug it in a black plug in hole. Make sure your T.V. is connected to you reciever. If this doesn't help I'd try calling somone to fix it for me.
Posted on Jun 24, 2012
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