Question about LG 50PS11 50 in TV

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Lg 50ps11-ub does not turn on

I have a lg 50ps11-ub and the red light just stays on the tv will not turn on i have changed out the 2 centre boards when you plug it in and turn it on theres a little hum noise but thats it

Posted by Anonymous on

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

SOURCE: Lg tv will not turn on, red light

i think your bulb is shot must be replaced

Posted on Apr 29, 2008

  • 133 Answers

SOURCE: LG 42 plasma power problem

needs power supply Part number 6709900023A
it is a 171 dollar part, you should be able to order through LG,

Posted on Jan 10, 2009

  • 257 Answers

SOURCE: LG 50px4dr plasma tv turns off immediately after

The problem could come from the power supply at the first suspected one. If you have a knowledge of trouble shooting, open the cover then examine if any caps there look poping up. Use your finger touch on the top of caps you will feel it. If not, check all the fuses there then disconnect all the cables from power sup to other boards, except the main board. Check Va and Vs according to the label attached on the back of panel. If the power sup shut down, replace it with a new one. Hope it helps.

Posted on Aug 12, 2009

  • 8457 Answers

SOURCE: lg 50 in clicks but won't stay on.

Ur power board need it replaced,LED indicator light not sustaning power.

Posted on Jan 05, 2010

itvrepair
  • 28 Answers

SOURCE: my lg plasma tv stays on standby

is you already change the power board,is possible
your y board is out...is a big board on the left side of the tv

Posted on May 19, 2010

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Cuts off


Most likely the power supply board.

Lie the tv down on a bed and unscrew the back. Its only about 9 screws around the edge and look at the power board, on the left, see if theres any burn marks.

I have a brand new board I bought the other day for the same issue but before I replaced it, stupidly, I checked with LG and turns out mine is still under warranty so I'm stuck with a new board.

Let me know if you want it. I'll match any price you can find online.

Mar 20, 2009 | LG 42LC7D-UB Television

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