COMP SIDE                              CKT SIDE

 -----------                            -----------

  A   GND                                1   GND

  B   GND                                2   GND

  C                                      3

  D   CTR A                              4

  E   PL1 LEFT                           5   PL2 LEFT

  F   PL1 RIGHT                          6   PL2 RIGHT

  H   PL1 SIDE PASS                      7   PL2 SIDE PASS

  J   2 START                            8   1 START

  K                                      9   CTR B

  L   COIN B                            10   SYNC

  M   +12V                              11   +12V

  N   +12V                              12   +12V

  P   SP-                               13   SP+

  R   PL1 FORWARD PASS                  14   PL2 FORWARD PASS

  S   VID RED                           15   VID GN

  T   VID BL                            16 

  U   PL2 UP                            17   PL2 DOWN

  V   PL1 UP                            18   PL1 DOWN

  W   SVC                               19   COIN A

  X   +5V                               20   +5V

  Y   +5V                               21   +5V

  Z   GND                               22   GND