Try a line conditioner: Such as Monster Cable or Panamax. I have a Panamax and it does help and protects all your valuable components. If this does not help, try adjusting your convergence also.
DyeLooper
why does my picture look so blurry and look like lines on faces when i am watching my sat. receiver on standard non- hd channels. have a rca 52 in. w/ DISH NET. receiver through Sony Dream System home theater system .. receiver to home theater conn. w/ s-video and from h.t to tv w/ components .

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