COMPONENT  |  SOLDER
    ---------------------+----------------------
               +5V   | 1 | A |   GND
               +5V   | 2 | B |   GND
 +12V Coin Counter   | 3 | C |   +12V Coin Counter
       1P.Button 1   | 4 | D |   1P.Up
       1P.Button 2   | 5 | E |   1P.Down   
       2P.Button 1   | 6 | F |   1P.Left
       2P.Button 2   | 7 | G |   1P.Right
          2P.Start   | 8 | H |   2P.Up
          1P.Start   | 9 | I |   2P.Down
            Coin 2   |10 | J |   2P.Left 
            Coin 1   |11 | K |   2P.Right
              Blue   |12 | L |   Counter
               Red   |13 | M |   Counter
             Green   |14 | N |   Counter      
              Sync   |15 | O |   Speaker Right
              +12V   |16 | P |   Speaker Left
         Speaker -   |17 | Q |   +5V
         Video GND   |18 | R |   +5V