Hitachi 50UX57B 50" Rear Projection Television "blue tinted static tv" Questions

...static has a blue tint when there's no cable hooked in, and this doesn't change when I change inputs, it's a constant thing. Every so often the picture will go blank for just a second as well, then ...

...blue with some static noise. The tv. shut off and I had to unplug the tv. and wait for some time and plug it in for the tv. to come back on. Now the screen has a yellowish or green color to it and I ...

...Blue Gain= As far as I can tell, adjusts the hue of bright sections of the screen. There are usually contrast and brightness options also. I recommend having some kind of static, well balanced image ...