Do you have a box ? an Antenna or Cable? freeview?
antenna,everything was working fine except for one channel,so i tried re programming the whole lot of channels and now cant get a picture or sound also have freeview
why have you stopped chatting
you have not helped at all
so does the freeview work?
are you programming in AIR/ Mode or CABLE?
there is a difference and the worng mode will yield nothig
forget it i have ask a television repair man to call