Solder Side                  |         Parts Side
   ________________________________|___________________________________
                       GND     | A | 1 |     GND               
   ----------------------------|---|---|-------------------------------
                       GND     | B | 2 |     GND
   ----------------------------|---|---|-------------------------------
                        +5     | C | 3 |     +5
   ----------------------------|---|---|-------------------------------
                        +5     | D | 4 |     +5
   ----------------------------|---|---|-------------------------------
                        -5     | E | 5 |     -5
   ----------------------------|---|---|-------------------------------
                       +12     | F | 6 |     +12        
   ----------------------------|---|---|-------------------------------
               Speaker (-)     | H | 7 |     Speaker (+)        
   ----------------------------|---|---|-------------------------------
          Coin Counter # 1     | J | 8 |     Coin Counter # 2
   ----------------------------|---|---|-------------------------------
           Coin Switch # 1     | K | 9 |     Coin Switch # 2
   ----------------------------|---|---|-------------------------------
                      Tilt     | L | 10|     Service Switch
   ----------------------------|---|---|-------------------------------
                 1P  Start     | M | 11|     2P  Start
   ----------------------------|---|---|-------------------------------
                  1P  Left     | N | 12|     1P  Right
   ----------------------------|---|---|-------------------------------
                    1P  Up     | P | 13|     1P  Down
   ----------------------------|---|---|-------------------------------
              1P  Button 1     | R | 14|     1P  Button 2
   ----------------------------|---|---|-------------------------------
                  2P  Left     | S | 15|     2P  Right
   ----------------------------|---|---|-------------------------------
                    2P  Up     | T | 16|     2P  Down
   ----------------------------|---|---|-------------------------------
              2P  Button 1     | U | 17|     2P  Button 2
   ----------------------------|---|---|-------------------------------
                       GND     | V | 18|     GND
   ----------------------------|---|---|-------------------------------
                 Video Red     | W | 19|     Video Green
   ----------------------------|---|---|-------------------------------
                Video Blue     | X | 20|     Sync ***NOTE!!!!
   ----------------------------|---|---|-------------------------------
                       GND     | Y | 21|     GND
   ----------------------------|---|---|-------------------------------
                       GND     | Z | 22|     GND
   --------------------------------------------------------------------

***NOTE!!!! At the bottom center of the Sound II board, there is a section labeled
"Color Conv." At the far left you will see switch #4 (SW4). If this switch
is off ("0"), you will get JAMMA compatible negative composite sync. If it
is on ("1"), you will get positive composite sync.