Question about LG 42PG20 42 in. Plasma HDTV
This is what is referred to as a Maldischarge problem. It seems to be a fairly common problem on plasma displays.
This is caused by a few things but mostly it's either your Y-Sustain or your Z-Sustain boards and usually it's your -VY, your VScan and your ZBias voltages.
If this is covered under warranty just get a tech to fix it. If not, let me know and I can give you some good instructions on how to try to correct this yourself, however it does involve opening up the TV, use of a digital multimeter & osciloscope as well as a small phillips screwdriver, some time, patience and you do run the risk of making it much, much worse if you're not careful.
Posted on Feb 21, 2009
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Posted on Jan 02, 2017
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