component side        solder side
        --------------        -----------
                   GND  A  1  GND
                   +5V  B  2  +5V
                        C  3  GND
                   -5V  D  4  GND
              10.3 VDC  E  5  
                        F  6  LED1 (NC)
            COIN CTR R  H  7  COIN CTR L
                 PITCH  J  8  
                   YAW  K  9  THRUST
                  SLAM  L 10  L FIRE/START
             SELF TEST  M 11  spare input (NC)
                COIN L  N 12  COIN R
              COIN AUX  P 13  GND
                   GND  R 14  R FIRE/START
               L THUMB  S 15  R THUMB
             diag (NC)  T 16  spare input (NC)
               AUDIO 1  U 17  AUDIO 2
                        V 18  10.3 VDC
                        W 19  
                        X 20  +12V
                        Y 21  +5 SENSE
                   GND  Z 22  GND SENSE