I'm guessing you are trying Over The Air and the antenna. Just like the early days of Antenna TV nothing is sure here. I helped my system by installing a better antenna.
hi there my mam and dad have bought a samsung LE32D550KIW and after tuning it in they have no HD chanels their chanel no`s skip from 48 to 60 i have tried to retune it but still can`t get the HD chanels on for them. Any help would be gratfully recieved