Numan Athletics, Namco 1993   Pinout = JAMMA
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            Extendet edge connector (48p)
            -----------------------------
                 SOLDER  |  COMPONENT
    ---------------------+----------------------
         Speaker R   | 1 | A |   Speaker R
       Headphone R   | 2 | B |   Headphone L
          4P.Start   | 3 | C |   Headphone GND
                     | 4 | D |   ---Key---
         ---Key---   | 5 | E |   
                     | 6 | F |   
                     | 7 | G |   
       4P.Button 1   | 8 | H |   4P.Button 2
               +5V   | 9 | I |   GND
               +5V   |10 | J |   GND
                     |11 | K |   
                     |12 | L |   
                     |13 | M |   4P.Button 3
                     |14 | N |   
            Coin 3   |15 | O |   Coin 4
         Counter 3   |16 | P |   Counter 4
               +5V   |17 | Q |   GND
               +5V   |18 | R |   GND
       3P.Button 3   |19 | S |   3P.Button 2
       3P.Button 1   |20 | T |   
                     |21 | U |   
                     |22 | V |   3P.Start
                     |23 | W |   
                     |24 | X |   
                     
Speaker L is connected on the JAMMA connector. JP3 changes Stereo/Mono output.
No joysticks connected.

Option Switches
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1  ON = Test Mode
2  ON = Screen Freeze