Question about LG 42PX5D 42 in. Plasma HDTV

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Loud pop, picture went black, sound ok.

Took it to the shop, $225 just to look at. $1600 to repair, looks like they want to replace every module in the darn thing. Set is 2.5 years old and paid the short side of $3K for it. Is there a outside source for the boards and modules? Plug and Pray might be the way! Of course they recommend a new one.

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The loud pop might have come from a part that is mounted on the Ysustainer board or Zsustainer board. If you are able to find the replacement parts, this is a DIY keeping in mind to be very careful when working with high voltages.
Check the picture from this website and here to have a reference how the part looks like. If you open the plasma, look for a label on that board and you can go ogle to find for a part supplier.
Good Luck.

Posted on Jul 11, 2009

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Posted on Jan 02, 2017

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1. Unplug the unit and do not plug it in.
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1 Answer

No picture


humm from the sound of a loud pop that would tell me you have a high voltatge problem. at the shop i have seen when i replaced tubes in this set that when the tubes are unbalenced (screen voltages) then sound will come up with no picture. then the tubes warm up and the picture comes up. this is an idication that one of the tubes have gone bad. and now that it has completly failed i suspect it has taken the horizontal ouput transistor and possilby flyback tranforner, NOW what all that tech talk means? not good im sorry. but in my opion this set is not good. these set cost about 800 new at your local walmart. We charge at my shop bout 600 to 700 for such a repair..of course u may get a tech to look at it and find something simple. but i feel this is the case if you have any more qestion feel free to email me or ask again here willie@fordtv.com

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