Question about LG 42PX3DCV 42 in. Plasma EDTV

2 Answers

It will not turn on. At first when it wouldn't turn on, unpluging it for a while would alow it to start up, but now, it just won't start, there is a 'click' but then nothing.

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  • janinparadis Jun 09, 2010

    tv not, coming on open and check for podsible solution,relay seems to be turning of because of voltage problem cause by unit (powr bord)

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2 Answers

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  • Master
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Hi


Thanks for using FixYa.These kind of issues in plasma usually happens due to bad cap on any of the boards inside. However, to check what has gone bad you’ll have to open the back of the unit
you’ll need to check bulged/swollen capacitors on power supply board. As the unit won’t show anything for a long time so it means that it is the power board which is causing this issue. These issues usually happens due to overheating in plasma TVs after sometime, as these sets are very hard working device and produces a lot of heat. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on Jun 09, 2010

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  • Master
  • 11,896 Answers

Either there is a bad relay, or a bad power supply. The relay if there is one on this model, would be on the power board. Trace the wires from plug-in cord to power board. Test the power with a voltmeter. There should be a label on teh tv set that states the DC Voltage Output. The number should match.

Posted on Jun 07, 2010

  • Nate Stansfield
    Nate Stansfield Jun 09, 2010

    I would recommend testing the power board and test power supply if it is seperate from power board. If they are seperate, find which one isn't putting out the correct amount of power. There should be a label on the set that states the DC Voltage Output. Replace either the power board or power supply.

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