Question about LG 52SX4D 52" HDTV

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Lg 52sx4d problem

Hi,
i have a problem with my lg 52sx4d dlp tv. when turned on, the red light continues to flash and the white scroll lites roll for a few minutes. it then shuts off and about 5 minutes later, trys to turn itself back on and again does the same thing. please help if you know what could be causing this as i dont want to pay to replace a bulb if that is not the issue.

thanks,
adam

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  • freez65 May 17, 2008

    The same problem as Adam

  • MikeDever May 18, 2008

    I have the same problem also, I just tried to replace the bulb but it's still giving me the same problem.

  • harderstylez Jun 11, 2008

    i finally got it to work but now it works for alittle while and then when i go to turn it back on later, it is like it shorts out and the screen is very warped and turns different colors. if i continue to try and turn it back on and hit enter and mute a few times... then it shows the picture normal. it did this a few times and now it wont come on.. i think there might be a short in some of the electronic boards.

  • Anonymous Aug 20, 2008

    we read this post, and have replaced the bulb as others have indicated, but the TV still just cycles through the lights and won't come on. And I fully reassembled the TV. What other problems are there?

  • bignorm13 Oct 08, 2008

    I have a very similar problem, but is very random. It may work fine for a couple days and then one day it may shut off only once or other days it continously does it, then the next day is fine. The bulb was replaced 2 months ago. It will power off, red light blinks 3 -4 times, then the white light turns back on. Sometimes the light will go completely off for a 10seconds-1 minute before powering back on. Very random and very frustrating.

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5 Answers

If the red light scrolls through, you need to replace the bulb. I replaced the my own bulb, and when I tried to turn on the tv the light kept scrolling. What was wrong? I DIDNT FULLY REASSEMBLE THE TV AFTER REPLACING THE BULB.

Make sure that all the screws are put back in and it will probably work if you have replaced the bulb.

Posted on May 24, 2008

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If you have replaced the bulb (with a LG/Zenith/Phillips brand) and not the Osram or other aftermarket bulb, you probably have either a weak ballast, dirty fan, or weak fan... check the fan 1st, use a can of comressed air DO NOT BLOW INTO THE UNIT, open the bulb access door and blow the dust out...

Posted on Sep 06, 2010

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There is a capacitor in the power supply that goes bad about every two years that that is what usually causes it!!

Posted on Aug 30, 2012

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Adam have you had any luck fixing your problem, as I have the same problem.


Scott

Posted on May 17, 2008

  • freez65 Jun 01, 2008

    thanks for the help . up n runing

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Same problem here. This doesn't sound very encouraging.

Posted on Sep 03, 2008

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