
Zaxxon / Super Zaxxon / Congo Bongo

                       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)
  [from P4-4 & to Spkr?] Spkr - | H | 7 | Spkr + [from P4-3 & to Spkr?]
                 (Coin Meter A) | J | 8 | (Coin Meter B)
                    Coin Mech A | K | 9 | Coin Mech B
                          Reset | L | 10| Service Switch
                       P1 Start | M | 11| P2 Start
                        P1 Left | N | 12| P1 Right
                          P1 Up | P | 13| P1 Down
                        P1 Fire | R | 14| (P1 Spare)
                      (P2 Left) | S | 15| (P2 Right)
                        (P2 Up) | T | 16| (P2 Down)
                      (P2 Fire) | U | 17| (P2 Spare)
                          (Gnd) | V | 18| (Gnd)
                              R | W | 19| G
                              B | X | 20| Comp Sync *
                          (Gnd) | Y | 21| (Gnd)
                          (Gnd) | Z | 22| (Gnd)

* 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.

