My RCA Direct TV Receiver cratered. I think it is the power supply. I use it in a motorhome with a tracking satellite system. Any ideas on where I can find a used replacement receiver? The old one was an RCA model drd0435rh model with a low speed data port. I'm under the impression the newer...

My RCA Direct TV Receiver cratered. I think it is the power supply. I use it in a motorhome with a tracking satellite system. Any ideas on where I can find a used replacement receiver? The old one was a drd0435rh model with a low speed data port. I'm under the impression the newer receivers...