Hi I have a Sony KDF-E42A12U which keeps turning itself of after just a few minutes of use when this happens the stand by light frashes red twice. i have cleaned all the dust out from around the lamp and cooling fan.
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Hi, If it is Sony KDF-42WE655 model then it sounds TV needs lamp. Have you replaced its lamp since 2006? And please check when TV gets off itself, does its standby red light blinks? if yes, how many times it blinks? This is an error code. Let me know to find out any possible solution. Thanks.
There is the possibility that you might have a defective ballast, it might not have enough voltage to keep up with your new lamp, and that's why it switches off and makes the 3 indicator lights flash, letting you know that the bulb is defective, but it's not the bulb, it's the ballast
Before you replace the lamp I recommend trying to clean/dust the lamp component and lamp plug in area. I had the same problem and was able to resolve it by simply blowing the dust off the lamp components and fan. Use a can of high pressure air to get into the cracks and crevices.
Yup, it seems a lamp problem can give a blinking green light over the 10 times (1 - 10 times for diagnostic codes), but in my case rather than replace the bulb if it works for a minute then resets with the green light blinking, do what I did. Take the lamp out and inspect it, it has breather screens top and bottom, if it cant breath because there clogged with dust, clean them, and you can remove the screens, use q-tips and clean the inside. I saved the cost of a lamp and it's working fine!