If you use an external set top box to watch TV check the connections from that to the TV. Try the set top box on another TV to make sure it's not the problem.
If you are using the internal TV tuner I am going to say it's time for a new TV.
If you use an external set top box to watch TV check the connections from that to the TV. Try the set top box on another TV to make sure it's not the problem.
If you are using the internal TV tuner I am going to say it's time for a new TV.