Question about LG 50PQ30 50 in. Plasma HDTV

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My lg tv keeps shutting down by itself then turns back on.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

gsalmen
  • 77 Answers

SOURCE: lg tv automatically turn on and off. Power surge

the software in the main control is damaged. call your lg servicer in your area. he might get you a software update

Posted on Jul 09, 2009

  • 556 Answers

SOURCE: keeps turning itself off with a red light next to

have you changed the lamp in this set. If you look by the red light it probably says lamp

Posted on Aug 07, 2009

  • 2 Answers

SOURCE: LG 37lc2d

Check for a popped capacitor on the power board. They are the round tube looking things with a cross or cross type shape on the silver flat top. Check they have not leaked and are still flat topped. The one your looking for is about 8mm diameter on right hand board. Take the back off, i suggest putting it face down on a mattress with a blanket support. Take care not to lean on it. When the backs off you will see 3 circuit boards the power board is the smaller of the 3 on the left, looking from behind. Good luck.

Posted on Oct 05, 2009

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1 Answer

It shuts off 2 seconds after i power on.


Several possibilities but most common seems to be power supply defect or poor connection. Check these resources. Note that other Youtubes that may address the problem are also accessible from the youtube link.
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Hello

By know you should of fixed the problem .
1. keep the inside cabinet clean.
2.If the unit keeps shutting down by itself after a certain time and it is not dirty inside the cabinet .Also all the intact screens are clean . Check your Personlization settings By right clicking on your screen . then right click Screensaver and then power settings . Then check to make sure all the settings are turned off unless you want the computer to shut down after a certain amount of time

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1 Answer

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That shows tv shuts down due to some internal problem that could be in power supply board or back light inverter board etc.
Local tv repair shop will help you to rectify what board is defective if you have no prior experience of tv repair.

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check the menu for power saving option if it`s on shut it off.

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1 Answer

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the software in the main control is damaged. call your lg servicer in your area. he might get you a software update

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1 Answer

Tv shuts itself down


This is due to bad caps read here what a cap is www.badcaps.net see you tv is getting hot as normal but the caps cannot stand it any more thus shutting the tv down. The bad caps would be more or less in the power supply unit of this TV. So you can buy a new psu or get it repaired by a expert.

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contact lg at 800-423-000. they may cover the repair. They might charge you a small trip fee and cover the part. sounds like the pwr supply is shutting down.

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2 Answers

Tv shuts itself off


The power supply may be going on to protection mode. This is usualy because one of the scan amplifiers may have failed, or something is taking too much current and forcing the power supply to shut down.

Jerry G.

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