I have a Samsung LN-T4661FX/XXA 46'' LCD HDTV. It has an issue where there is a dark gray-ish shadow over the left 1/3 of the screen. This ''shadow'' starts almost exactly at the top center and goes down to the bottom 1/3, so it's wedge shaped with small end of wedge at the bottom, and it extends all the way to left edge, sometimes. Sometimes it is only like an 8 inch band starting again from the top center and down diagonally to the left 1/3, but not all the way to left edge. When it is banded like this, the left portion of the picture is ok, but when wedge shaped and extends to left edge, naturally the left side of picture is affected. It wiil flicker sometimes, somtimes solid. It will usually go away, and the length of time before it goes away varies. It has gotten worse to the point where every time TV is on it's there now. But wil go away and most times stay away and viewing is fine. But sometimes it will go away and then come back and go away again. I spoke to the techs, but opted not to repair, at the time. A strange thing happened just last night: I was watching TV and the shadow came on again. I friend of mine suggested tapping on the back of the TV to see if it affected it. So I went to swivel the TV (has swivel stand) and I put one hand top center and other had on side to swivel. The TV rocks back and forth a bit on the swivel stand and when I pulled a little forward on the top and began to turn the side, shadow flickered and went away for a second, then came back. When it came back, I jostled the TV kind of back and forth and side to side and as I did that, it affected the shadow and it started flickering again. Then it went away. So I definitly suspect something loose inside now. Also, it has started doing something it never did before: Screen image will be fine, then all of a sudden completely go away. The screen will be not quite black, but like a very, very dark grey. It's like it's getting a signal, because otherwise the searching for signal message would appear. So if I turn the TV off for a minute and then back on, picture comes back. When it does that again, I tried jostling again but the picture didn't return, so was forced to power cycle and then picture came back.
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