Sums and vertical stripes on Migratory new LCD TV?

Well the others suggested it was an electrical problem, I would say it's just the t.v., but before I do, how old was the t.v. prior to that, and was it plugged in the same way and with the same cables? If it was a lot older maybe the cables won't support your newer t.v., I'd suggest though to call the company and get yourself another t.v. or ask them what they would suggest to get rid of such, they may know what's going on better then we do.

Hum and vertically continuous disturbances suggest a ground loop, formed on the grounding of the power supply and connect the shield of the antenna cable. Possible but would also be a disturbing radio signal, possibly from a cordless phone.

Once to put the plug or turn the plug. Remove all other electrical appliances, lamps, telephones (especially saving lamp) and ähnlichesin near .. If that does not help another, perhaps better cable from the receiver to LCD You Gerh via SCART or HDMI? If available use HDMi.