Question about Sony LAMP BLOCK XL2100U Projector Lamp

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XL-2100U lamp cycles on and off

I bought a new replacement lamp (XL-2100U) and changed out the old bulb. Now when I turn on the TV the picture comes on and stays on for a few minutes and the bulb goes out. It repeats this for about 15 -20 minutes and then the bulb stays on and the TV is fine for the evening. Any suggestions about what may be happening and how to fix it?

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  • wabeech Sep 24, 2008

    I did as you suggested with the non Sony lamp. It still did the same thing, but "the warm up period" didn't last as long. This TV does not get used much. A few times a week to watch a DVD. Could the lamp just need to be broken in? Thanks for the advice.

  • rocky37 Apr 20, 2009

    My Sony KDF-50WE655 would turn on for about 30 seconds and go for 2 mins. and repeat. I have not change the lamp yet. Would this problem be the lamp? It has been a few years already. Thank you.

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Hi

I recently had a similar problem after replacing my lamp the set would work for 22 mins then go into standby for 30 sec then come back on, then repeats, I decided to experiment with the lamp housing, I removed the new lamp, unscrewed the top of the lamp that holds the actual bulb then switched out the main housing (bottom part) with the original housing, that seemingly has corrected my problem, you may want to try if the replacement lamp did not come from Sony...good luck

Posted on Sep 22, 2008

  • TAC623 Sep 24, 2008

    Hi



    Sorry it did not work for ya, it is quite possible that there may be a defect in the lamp, If the problem started immediately after the new lamp installation I would def have it exchanged from the place of purchase, just be sure to switch back the casing before returning it. One thing before doing that let your tv run about an hour to be sure it did not take, my method did not take immediately, I don't know exactly the time it took after switching out the box it did still go on standby at least one more time before remaining stable. And the problem seems to have gone away it has not gone to standby since. I suspect that my problem was the actual connection screws it was not the same as the sony lamp. Anyhow just a little food for thought. Good luck }:)

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