Question about Sony Grand WEGA KF-50WE620 Television

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Sony KF-50WE620 - 5 Flashes

I purchased a new lamp for my Sony and the TV powers up but not the lamp. It flashes green for about 30 seconds then turns red with a series of 5 flashes. If I hit the power switch a second time it changes to 4 flashes.
Any assistance would be appreciated.

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  • 1 more comment 
  • mafmd019993 Feb 02, 2009

    I recently purchased the TV for very little and was told that the lamp was no good and it was taken out. I have a Philips OEM lamp.

  • ed0369 Feb 28, 2009

    I purchased a new lamp but need to know where to locate the old one

  • Shahid Electronics
    Shahid Electronics May 11, 2010

    May I know why you replace Lamp? what were symptoms of TV that you decided to replace lamp?



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  • Sony Master
  • 1,039 Answers

5 flashes indicates ballast malfunction. 4 flashes indicates fan not working. I would replace the big fan in the back because it is a common failure for this model. But befor this check to see if the lamp door is warped from overheating. If it is the wiring on the balast good be burnt and the light engine could be damaged.

Posted on Apr 26, 2009

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