yes, I moved it to another location and it worked fine. I'm thinking the HD cable may be shot. could it be also that the LNB might need to be replaced?

I have a real problem that only started recently. Our HD programming is starting to freeze up only on certain channels. I checked all connections, realignment etc and looked at our signal strength all are fine. We are using a Sony HDTV receiver which does not seem to be a problem. I switched...