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Hello Check whether the lamp life hours are going to be out. Refer to its user manual for details. DLP chips fault is very rare; unless you have handled them very carefully. Check the lamp and BALLAST baord that supplies voltage to lamp. Picture of the ballast baord to your TV is attached.
try removing and re-installing the lamp cover on the back. its a
known issue with whaferdale tv's during manufacture, the lamp cover
is not seated properly causing the safety switch to not engage all the
way, when the lamp cover heats up and expands, it fall away further
from the switch tripping it, shutting the set down. when you remove
and re-install the lamp cover, after you take the single ***** out,
tilt the cover out and forward from the top about 3/4 of the way out
and then tilt it back into normal position and put the ***** back.
Hi, It is symptom of weak lamp that has been reached to an end of its working hours life but not dead/ broke yet. If lamp has not been replaced in last 2-3 years then please replace lamp in tv to get solve this problem. Lamp replacement procedure is easy and written in user manual, please buy Sony original lamp for good picture in tv. Thanks.
Hi,do you hear any strange noises? If you hear clicking or like wanting to turn on it could be the board that powers the lamp it's called the ballast. But if you don't hear any strange noises,tv is around 6000 hrs,2-4 yrs it could be time to replace the lamp.The lamp you need is XL-2200.You can find it here: http://www.discount-merchant.com/Sony-XL-2200-TV-Bare-Lamp-Bulb-p/sony_xl-2200u_a1601753a_lamp.htm?Click=48173 Have a blessed one!
looked up on this site and it seems it is a cooling issue the set is set to cut out if temperature reaches the set temp on micro-switch at back of unit, by-passing this switch solves problem and is helped if moving air is positioned at back of tv .
if the sound is a kind of arking or sparking about 2 seconds when you turned on the tv, and it does now any time you turn on the tv. is a normal protection system the tv has. but the bad news is the tv needs the lamp. That sound i'm telling you is the current needed to turn on the lamp and it has to go any place when the lamp is could not get on.