Sanyo DP50749 50 in. Plasma TV "reduce back ground sound" Questions

...back of the TV. The buzz will be more audible as contrast increases on the screen, most notably when displaying an all white screen. If the buzzing sound is loud, you may have the Contrast set too ...

...back into the tv). I also have my Xbox 260 and Wii hooked through the receiver. The problem that I am having is that the TV appears to have bars that are horizontal (very feint green and purple that ...

back on it'll work for a couple hours then the pic goes out again. http://www.retrevo.com/support/Samsung-HL-P5663W-TVs-manual/id/276bh036/t/2/ Above is your user manual, below is your service manual.

...back on helps however you may need to do it 2x in a row. it is random one other or both at the same time we have tried vacuuming it out has reduce the frequency however it still occurs.... [wile ...