Question about LG 50PG30 Plasma HDTV

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How do i get my lg 50pg30 tv to turn back on good power cord and when you plug it in nothing happens. it was originally trying to turn on but it wouldnt stay on it just kept doing that so it was unplu

Unplugging it trying to let it turn itself on tested the power cord and it was good tried a different plug in

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Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Posted on Dec 12, 2014

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Posted on Jan 02, 2017

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Perhaps replace your power cord. Borrow power cord from repair shop. If it works it's the cord. Also if the TV is plugged into power bar make sure the power bar hasn't been inadvertently turned off.

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When the TV's main board see A/C power back to the unit, the TV will try to turn back on.

This issue could be a loose power connection for the TV or a failing part inside the TV. Do other electrical devices work when plugged into the same wall outlet?

Try the following:
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2. Try putting the cord into a different wall outlet (perhaps it's not a good outlet).
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I can look up the LG part number for you.

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Unplug printers,backup drives and speakers.
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plug power cord back in press the power button.
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unplug power cord again.
plug power supply back into the board.
plug power cord backup and press power switch.
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Continue this pulling out pci cards one at a time until you find out what the problem might be.
Try different keyboards and mice too.
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