Question about Sony Grand WEGA KF50XBR800 50" Rear Projection HDTV-Ready Television

2 Answers

TV will not stay on...goes into standby mode.

The TV only stays on for 60 secs at a time. Then it goes into standby mode for about 30 seconds, then comes back on for another minute. Then the process cycles again. I have replaced the projection lamp, but don't really think that was the problem. It is still going into standby mode about every 60 seconds.

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  • TX Guy Dec 30, 2007

    I have the same problme and looking for some help. I never replaced the lamp becuase lamp warning light doesn't turn on.



    It worked flowlessly for 5 years and now has this issue. Any ideas?

  • albtyler Feb 23, 2008

    Mt tv just started having the same issue. The lamp indicator light does not come on, but the standby light continues to flash. did you find a resolution to this?

  • Anonymous Mar 24, 2008

    I am having the same problem. The TV only stays on for 60 secs at a time. Then it goes into standby mode for about 30 seconds, then comes back on for another minute. Then the process cycles again. I am going to try the fan solution and get the fan repaired, if possible.

  • avivo Apr 06, 2008

    Exactly same problem as the others have described. The TV will not stay on because it keeps going into and out of standby mode.

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2 Answers

I have been having the same problems as others are.The continuous cycling on then off would do it all day long if allowed. I had a rear projection tech look at it. He used the remote to do a self diagnostic check on it but and ruled out that it was the processor the most expensive part of the set. He said that on these sets that this problem was caused by 1 of 2 things 8 out of 10 times 1 needs software upgrade so He suggested that we upgrade the software because it was the lesser of the two this did not help either. 2 a new lamp i did replace one already it went out when the set was only 2 years old but have ordered a new one will post when i get the results. good luck jb

Posted on Apr 15, 2008

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The red LED for the the lamp may flash which CAN indicate that the cooling fan is not operating. This fan is typically very quiet and has failed on MANY units. It is behind the bulb at the very back of the TV and is not "user serviceable". My repair guy says this is common and you can at least observe the fan through the rear grill and if it is NOT turning, then it IS failing.

Posted on Feb 16, 2008

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Encompass Parts Distribution 1-800-638-3328
they are listing this Model# and Parts.
Have you CK to make sure all Fans are running and when was the Last Time you replaced the Lamp?
Mats has Lamps for $99.00 1-800-628-1118

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