Question about Sony XL-2100U Projector Lamp for KF-42WE610, KF-50WE610, KF-60WE610, KDF-60XBR950, KDF-70XBR95
I am replacing the bulb in my Sony KDF-42WE655 and happen to notice that the cover for the lamp in melted. No signs of burning, smoking, smoldering, but definitely some heat issues.
Any ideas why this is?
Open the back case (about 10 screws) and clean the lamp cooling fan. This is NOT the one you can see from the outside. It is located in a horizontal position above the lamp area from the rear. A DRY toothbrush can be used to brush out the dust. Keep a vacuum nozzle next to it while cleaning so the dust does not go inside. Some say to use compressed air to blow out the dust, but vacuuming it keeps better control and can prevent unwanted dust from moving down into the optics.
I learned this the hard way when replacement lamp burnt out in one week. I thought the cooling fan that you can see from the outside (it actually is the exhaust fan) was the only fan. The lamp cooling fan sucks in cool air and puts it right down onto the lamp.
Test the fans by turning on unit without lamp installed (the fans will power on for a short period of time and you can see them function to verify airflow). Clean this fan once a year as the dust will be back.
Posted on Apr 20, 2009
Its a warranty issue that Sony is aware of. They are replacing it and any other needed repairs until March 2010. Here is a link to the Sony site for more information.
Posted on Apr 25, 2009
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Posted on Jan 02, 2017
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