bad/missing coax connector-x3 tv's

replace this textHELP!!I'M HAVING A STRESS ATTACK.I'M SITTING HERE WITH 3 TV'S(NOT ALL MINE)ALL THREE HAVE THE SAME PROBLEM.MISSING THE CABLE CONNECTION PLUG ON THE BACK OF THE SET.CAN ANYONE TELL ME IF THERE IS A QUICK FIX TO THIS AS MY MONEY IS LOW.