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My 2013 LG 42pn4500 plasma works fine until you change anything on the remote (volume, inputs, etc). As soon as you touch a button on the remote, the tv powers off for 5-10 minutes then comes back on. Seems fine until it warms up a few minutes intitally. Any help is appreciated. I dont wanna change the power supply board if its something else. All the capacitors are flat and appear fine

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Check the voltages goes to its display panel. Va & Vs voltages should be very accurate. any deviation to these voltages can cause unpredictable error symptoms with the set. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Posted on Dec 02, 2014

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SOURCE: LG 42 Plasma try's to turn on but just goes back into "stanby" ?

Check to see if you get Va and Vs voltages from the power supply. There should be some wires running to the y-sus. A couple of those wires will be labeled va and vs. Are they present? There will be a sticker stuck to the panel somewhere telling you what they should be.

Posted on Mar 26, 2010

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