I have a TH-P55VT50A that's only a few months old and I've noticed that on full black screens e.g selecting any input with no source connected, there appears to be alternating light (grey) coloured lines mixed with the black.
The lines appear to be 1 pixel high so you have to be standing quite close to the screen to notice it but since noticing this behaviour it's hard not to focus on it. It's as if there is some form of interlacing effect going on. I also notice it on the black top and bottom bars watching letterboxed content.
I can only imagine that without these lines the blacks would be much darker.What's strange is if you move your head towards and away the screen the lines appear to shimmer.
The behaviour Is most evident in a dark room.I've tried setting the picture mode to Dynamic, Normal, Cinema, THX, THX bright room and game but the shimmering lines remain (all other settings are at their defaults).
Unfortunately I can't take a photo of it without everything coming out as black.
I've tried comparing it with an another panasonic plasma (ST50) in store but in a bright store environment it's hard to tell.Is this normal?
I expected that with no signal you would just see black. Any ideas?ThanksVas