Question about LG 52SX4D 52" HDTV

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LG DLP not turning on

I have an LG DLP 5SX4D-UB...when turning it on the white light on the front panel flashes from bottom to top for several minutes. Then the top light goes to a solid red and the second light flashes red. The TV never turns on. The second light that is flashing has the picture of a light bulb on it. Does this mean that if I replace the bulb that the TV will work again. I've been reading several internet sites that have folks saying that they replaced the light and their TV still doesn't work. Any idea what the true problem would be? The TV is 3 years old.

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  • dparmley Dec 21, 2008

    it does exactly the way you described it

  • Anonymous Jan 31, 2009

    My LG 52SX4D 52" HDTV.



    When pressing the power button it goes from red to white and the white light keeps running through and its cycle but TV green light does not show up and there is no picture. Then two red lights blink then it goes to one red light stays on.

  • Austin Magruder
    Austin Magruder Apr 09, 2009

    LG 52sx4d has the scrolling white light problem too, the picture never comes on and the LED turns to red when the scrolling white light stops

  • Austin Magruder
    Austin Magruder May 07, 2009

    I just ordered a ballast from Tigerdirect.com tigerdirect.partsearch.com/Model/LG+Electronics+Incorporated/LG+Electronics%2FZenith/52SX4D.aspx should get it in about a week

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6 Answers

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Well i know what the problem is... if your getting the white scroll and then the red light flashes but the fans are comming on and you got a new bulb the broblem is the ballast. i know cuz i had the same problem and a good friend of mine has a tv shop and i had him look at it but the good news is that its not that hard to change. if you try to go through LG thay wont be able to sell you the ballast if your just a coust. good news is that you can fined the ballast on ebay from LG DLP not turning on - s.gifeasywaylamps its about $130.00 bucks shiped. bad news about is that thay are from china(it is where i got mine) but it works great and hasent gave me a broblem yet. if any one eles has the same problem and it was something eles.... PLEASE POST IT. i hope my info has been helpful to someone.... thanks Brad Ross of East Moline Illinois... you can email me at plopit40@yahoo.com

Posted on Nov 15, 2008

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C871 1000mic

Posted on Feb 06, 2011

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I have the same problem but the thing is that I take out my bulb, put it back in and the TV will work fine for the next couple of times I turn it off and on. Then it iwill stop working and I have to do it over again. LG told me it was my bulb. But the thing is my bulb works fine for hours at a time until I turn off the TV.

Posted on Aug 02, 2009

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A-1electron, did you ever figure out your problem? Mine just started doing the same thing :(

Posted on Aug 09, 2009

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Replacing the ballast did not fix the problem... so if anyone has figured this out, please share your info, thanks

Posted on Jun 30, 2009

  • Austin Magruder
    Austin Magruder Jul 14, 2009

    the ballast did not work...

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We have replaced the lamp and ballest looks like its going to be the main power board

Posted on Mar 23, 2009

  • hagerstrom Feb 28, 2011

    Just replaced both the lamp

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