It might be too late for this. But did you find a solution to this problem? I am facing the exact same issue in Austin on new Samsung LED. Can you please tell me if it worked for you any other way?
I've been viewing both cable and OTA signals on my Samsung 8000 series LCD TV with great results. I'm getting 18 DTV channels and a couple "legacy" analog signals here in Austin (thought all the Analog stations had shut down).
I'm getting all the UHF stations, but we have one 100KW (FOX) station on channel 7 and despite pointing the indoor antenna (Wineguard VHF/UHF SS-3000), I can't receive it. I'm thinking there may be something I've not configured right. Is there a configuration entry that controls this? Haven't found one. I'm picking up UHF stations over 60 miles away, so I'm surprised I can't pick up this VHF stations that is clustered with all the local (15 mile distance) UHF stations in Austin.I tried the "auto program" and it never picks it up.
I have an old TV with a ATSC converter and it picks up the stations great, strong signal strength on the second floor of the house. I'm using a telescoping antenna about 15" extended, so I know the signal is strong at my location.
Am I missing something