I have a Paradox alarm system that uses the Rem 2 remotes. Over time the remotes no longer give the audible feedback it used to when it was new. One of the main buttons on one of the remotes has also broken. It seems the spring behind the button either failed or is no longer there. Can these remotes be repaired as they are quite expensive to replace. If so where can I get it looked at? Could a normal tv repair type person be able to replace the broken button as it seems like a normal button on the board that could be replaced.