I HAVE A TECHNICS STACKING AUDIO SYSEM IT IS OVER 10 YEARS OLD IT CONSISTS OF THE FOLLOWING AMPLIFIER MODEL No SE-HD55 DISC PLAYER MODEL No SL-HD55 TAPE PLAYER MODEL No RS-HD75 TUNER HD-55 THE PROBLEM I HAVE IS ON THE CD PLAYER I HAVE TO USE REMOTE CONTROL PNE4514156 TO PLAY THE NEXT TRACK IT DOES NOT AUTOMATICLY GO TO NEXT TRACK EVERYTHING ELSE WORKS FINE.