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HI, my name is***** understand you have your TV from the proper input and can't get it back I will need to how you have it connected to your cable box or other source you are trying to use, Is it a HDMI input? also what is the make and model of the TV?
Is it connected to cable box?
Okay how many wires 1 from the cable box to the TV?
Just 1 wire?
Sorry that is automated request from the site I am not in position to use a phone right now but we can continue if you wish through the chat?
Okay does it screw onto the antenna jack or does it have a flat end that plugs into the input on the TV?
okay then most likely your TV needs to be on channel 3. can you use the remote for TV (not the cable box remote) and press the numbers 0 then 3
Have you been able to switch to channel 3 on the TV?