When we turn on the TV it tkakes about 2 minutes for the picture to come on. When the picture does come on it has vertical lines acorss the whole picture. Also cannot change channel and volume by remote or on the TV.
I have the same problem on my sony LCD rear projection TV. I turn it on and there are vertical lines of varying colors across the screen, no sound, the only thing the tv responds to from local or remote controls are the power button and the Up arrow on the remote, which is used to trigger a factory reset sequence (according to the manual). Reset doesn't help. The bars slowly start to go away on the screen and usually the TV works the next day. It'll work for a few days a flake out again.
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From what it seems in your question... the problem has already went away... However, I actually know about this. There is a fuse inside the tv near the power button called B-3a... If you replace that fuse it should help fix permanently
This seems to be common problem with Sony projection tv. I have the KDF-E50A10 that lasted only 2 years. It's sitting in a corner now until I figure out what to do with it. I am not going to spend another grand to repair it!! Never Sony again.
Authorized sony repair center told me the problem was the Q Box. Ever
heard of this? Part runs about 300 bucks. TV is out of warrenty as it
is 2 years old. Do you think it is worth it to fight sony and get them
to replace the part or just fix the TV?
Part Number is A1167541A, service rep called it a Q Box in the diag, however the web says its the b block assmy.