PIONEER SX CUE PADS

AFTER A WHILE OF PLAYING MY LEFT HAND DECK CUES IF PRESSED TO HARD IT WILL STOP THE TRACK WORKS FINE FIRST COUPLE MINUTES BUT AFTER IT WILL START ACTING UP IS THERE A REPLACEMENT PART OR A FIX FOR IT ANY HELP IS APPRECIATED ID HATE TO PUT THIS GOOD CONTROLLER OUT OF COMMISSION :(