AmeriDarts - (c) 1989 AmeriCorp Games

                        AmeriDarts JAMMA Pinout

                          Main Jamma Connector
          Solder Side            |             Parts Side
------------------------------------------------------------------
             GND             | A | 1 |             GND
             GND             | B | 2 |             GND
             +5V             | C | 3 |             +5V
             +5V             | D | 4 |             +5V
             -5V             | E | 5 |             -5V
             +12V            | F | 6 |             +12V
------------ KEY ------------| H | 7 |------------ KEY -----------
       Coin Counter 2        | J | 8 |      Coin Counter 1
                             | K | 9 |
         Speaker (-)         | L | 10|        Speaker (+)
      Volume Control A       | M | 11|     Volume Control B
        Video Green          | N | 12|        Video Red
        Video Sync           | P | 13|        Video Blue
        Service SW           | R | 14|        Video GND
                             | S | 15|         Test Switch
        Coin Switch 2        | T | 16|         Coin Switch 1
       Player 2 Button       | U | 17|        Player 1 Button
      #2 Y(a) Trackball*     | V | 18|       #1 Y(a) Trackball
      #2 Y(b) Trackball*     | W | 19|       #1 Y(b) Trackball
      #2 X(a) Trackball*     | X | 20|       #1 X(a) Trackball
      #2 X(b) Trackball*     | Y | 21|       #1 X(b) Trackball
                             | Z | 22|
                             | a | 23|
                             | b | 24|
        Trackball Light      | c | 25|        Trackball Light
         Button Light        | d | 26|         Button Light
             GND             | e | 27|             GND
             GND             | f | 28|             GND


* Cocktail Mode only.

 Standard 6 pin Trackball connector

  Pin  Wire  Funtion
------------------------------
   1 | BLK | Ground
   2 | RED | +5 Volts DC
   3 | YEL | X-A (Horizontal)
   4 | GRN | X-B (Horizontal)
   5 | BLU | Y-A (Vertical)
   6 | PUR | Y-B (Vertical)

NOTE: If your Trackball makes reverse movements for X and Y, you can
      exchange the pin position 4 and 5 to reverse at Trackball Connector
      side to correct.


BrianT