Projection bulb shuting down then coming back on . Thought problem was not enough air flow due to a fan not working but fan was ok.We have four of these in a sports bar,I have replaced lamps in them but have not seen this problem. I am a electronic tech for nasa. Any help would sure be great. Unit may run 3 or 4 minutes or may run 10, there is no set pattern.
I experienced a similar problem with my Sony KDFE60A20, the projection bulb would turn off for about 90 seconds and come back on for the same amount of time then cycle off and on for about half an hour. I cleaned the circulation fan in the rear turned the tv back on and it was ok for the rest of the day. It started all over again the next day so I then took a look at the bulb, I found that the bulb has a venting/cooling screen at the top and bottom of the lamp holder, the top screen was plugged with dust, cleaned it and put it back together and the problem has been resolved now for 1 week. Seems like the problem has been resolved. Tv is exactly 18 months old and is connected through an APC UPS Backup.
Posted on Mar 10, 2008
I had this problem and ordered a new replacement
XL2200 lamp from Sony and that fixed it. By the way, the lamp installs
from the front so there's no need to pull your TV out from the wall.
Look at you manual, it is accurate in this respect. My lamp only lasted
about 15 months. It costs $200 plus about $16 to ship. You can order
direct from Sony on line service.
Tom
Posted on Feb 27, 2008
Confirm if this is happening during explosions screenshots or high white tones images. I noticed that my set goes black immediately after an explosion or during commercials (Essurance commercials for example). I'll have a technician tomorrow to replace the power board (another problem), but I'll also show him my observations to get his feedback about the blank screen...will let u know!!!
Posted on Oct 23, 2007
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