Question about Sony KDF-E55A20 55 in. LCD Television

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Sony KDF-E55A20 55 in. LCD

Screen goes blank and comes on every 5 minutes, but green light stays on. Fan is still working .

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  • Anonymous Apr 27, 2008

    I have the same exact problem. Called sony and had a tech over and no one has been able to fix this. I haven't replaced the lamp yet because the tech it wasn't the problem, and I've already thoroughly cleaned the inside of my tv and the tv has plenty of breathing room from the wall...what is happening? The screen goes black with no volume for a minute or so, then comes back on for minutes or hours afterwards with no issues, or then goes in and out every few minutes with this issue. The light is green still, fan is still working, but no picture or sound.

  • GatorD64 May 12, 2008

    When I turn on the Sony KDF-E55A20 there is no picture. Then after a few minutes the picture comes on and then after about 20 seconds the picture goes out. Continues this cycle over and over.

  • osy tutu Jun 24, 2008

    This proble is very eazy to fix.Just replace the lamp(KDF-E55A20) and do it your self it takes 5min or less.Even Dumb dumb joe can do it.

  • awairsurf Oct 04, 2008

    I have the same problem, but the tech I used claim it was the color wheel going bad, therefore causing it to overheat. He claim it would cause over 900.00 to replace!!!! it sucks

  • Anonymous Mar 29, 2014

    When you turn the tv on, it works for about 15 minutes, then it starts to get lines and eventually fade out. If you run a fan behind it, it will stay on and run fine.

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I don't think it's the lamp I replaced that about 4 months ago and then the audio would stay on just no video now it just stops audio and video

Posted on May 04, 2013

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It works!! First i took off the front panel. Just check your manual for instructions, very easy to do. If you do not have a manual just down load one from google.. The instruction are easy to follow. The screw they have you loosen with a alan wrench is attached to the plastic, so you do not have to worry about dropping it inside the tv. Removing the lamp was simple. once out you will notice on either side are two small mesh screens. One of mine was 80% blocked with dust, the other side was only 30-40% covered. I used a vacuum to remove the blockage, i did not want the dust and dirt to go inside the bulb. i then cleaned all around the lamp. Reinstalled, and we are go to go. The kids are happy and i am happier since my wife not be buying a new TV.
total cost of repair $.00
time required to fix, less than 15 minutes.

Also when my TV was loosing sound and picture and then return. I did turn off my TV, then turned on. I nothiced a red blinking light. Mine flashed 5 times. After some reserch, 5 times is video related, bulb or video board. google red flashing light with the model you have and you will find what all the codes mean.
So if yours is flashing 5 times try the above, it might work for you and it is well worth the time before you call a tech and drops hundreds of dollars.

hope this helps.

Posted on Oct 10, 2008

Thanks Guys,
Remove the lamp clean the dust off the bottom screen which was cake with dust, re-installed the lamp and the TV works great now!!!

Some much for the color wheel theory

Posted on Oct 06, 2008

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Did what kenak said and it worked for about 1 month but now its doing it all over again...

Posted on Oct 04, 2008

Thanks Kenak.. I did exactly what you said and its working so far!

Posted on Sep 18, 2008

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I had the same problem with mine. I took the lamp out, comes out from the front, and cleaned the screens on the top and bottom of the lamp. If these are dirty, mine were, they are preventing the bulb from dissipating heat. This causes the tv to shut off the lamp to cool it down. Mine works like a champ now.

Posted on Aug 31, 2008

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Change the lamp

Posted on Apr 19, 2008

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