Re: Roof antenna at fault when suddenly no full TV reception › Forums › Rental rants › Roof antenna at fault when suddenly no full TV reception › Current Page 12/06/2018 at 7:04 pm #29739 Anonymous Based on recent experience if some channels work then the amplifier would be chief suspect. If someone has been in the cavity recently then more so as unplugging it while in a tight/dark place may be easily done.