On the off chance that a few buttons have gone—commonly the channel or volume up/down buttons, or different buttons you utilize frequently—you have an alternate issue. Remotes are worked around an elastic layer keypad. Each key is a piece of a solitary, enormous bit of rubbery plastic. Under every one, there’s a slender portion of leading paint or plastic. At the point when you press the key down, the leading material extensions contacts on the printed circuit board legitimately underneath, finishing a switch and actuating the circuit. In a typical remote, you can see the layer keypad and the circuit board it sits on. This film goes about as a boundary between the base of the key and the circuit board and prevents the keys from finishing the circuit.