Question about LG 42LP1D 42 in. LCD HDTV

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My 42" LG LCD turns itself off

I turn on my TV on and within 5-10 seconds, it turns itself off. I can hear sound when it's on, but there is no picture. Please help!

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  • tomrus Jul 02, 2008

    My 42" lg lcd loses the picture after about three minutes, but it still has sound. The green power light will finally turn red and the tv shuts down.

  • bmorel Sep 13, 2008

    When I turn the TV on, it keeps clicking off and on continuously and I cannot turn it off. I have to unplug it and plug it back in and it will stay on. I have searched the LG website but have found nothing related to this problem.

  • Anonymous May 06, 2009

    I have the same problem, it makes the clicking sounds and turns on and off!

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There is probably a firmware update on the LG website that should take care of this.Go to the downloads area and enter the model number for available updates.

Posted on Jul 18, 2008

  • ajs6088 Dec 07, 2010

    There is a safety feature on all larger LG LCDs that if the unit is to full of dust to let the fan cool properly or the fan is to full to operate at full speed the TV will not turn on it will flash green when powered on then click and go to red. I brought mine in the first time it cost $50 to get it cleaned and reset. If you are electronics sauvy its not that hard to do your self . Hopefully its that simple for you as well other wise these are all good places to start.

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From this web site it says:
http://www.ehow.com/about_5379235_lg-television-problems.html
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My TV turns itself off within 5 seconds after I turn it on. Whether I use the remote or turn it on manually it shuts off.


I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
Solutions?
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.

Hope this helps

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Ur power supply board is dead.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

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I turn on my TV on and within 3-4 seconds, it turns itself off.


  1. Might have a power supply issue take the back off and see if there are any bulging caps on the power supply board. If you dont know what your doing call a tv service tech.

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its sounds like the psu board i had the same problem costs £70 + £6.95 postage website is www.sjstv.co.uk/ if not. there is a helpline you can ring just give them your make and model number he will tell you its really helpful 09064701706

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