I have Comcast internet but no cable package at all. When we first moved in I tried connecting their coax to my TV and scanning for channels...a couple came up but I didn't get all of the networks. Since then I've been using an antenna with reasonable success.
A few months ago I bought a HDHomeRun, connected it to that same coax, and it pulls in a whole bunch of Comcast super basic channels (CSPAN, all of the networks in HD, ION, CW, etc.). I've tried a number of times to use the same feed on my TV but it doesn't correctly identify those channels. My TV is a Panasonic plasma, model TH50PX77U. I've been plugging the coax in the back and running the auto-scan for digital channels via the TV menu.
Does anyone know what might be causing this? Is there a way to get these channels directly on my TV?