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Success! It turns out it was the ballast. I suspect a faulty capacitor. So if anyone else googles around hopefully they'll fall on this post. My Samsung was shutting itself off repeatedly, and I had to actually unplug it to get it to stop power cycling. 1. I replaced the lamp. 2. I replaced the colo...

Greyfox, thanks for your reply. Here is some more info: 1. I've had the TV for three years, so was expecting something to go out sooner or later 2. I had no shut downs or picture quality degradations over that time 3. About two weeks ago, suddenly there was a loud whine of about 2-3 seconds , and th...

I've had similar issues. TV turns on for 5 seconds, sometimes even get a picture after ten, then shuts down. Before I go out and purchase a color wheel I wanted to know how to troubleshoot the fans 1. I replaced my lamp - it turns on fine, so it probably isn't the ballast. 2. I then decided it must ...