Karate Champ Pinout

SOLDER SIDE PARTS SIDE
P2BDOWN P1BDOWN
P2BUP P1BUP
P2BLEFT P1BLEFT
P2BRIGHT P1BRIGHT
P2DOWN P1DOWN
P2UP P1UP
P2LEFT P1LEFT
P2RIGHT P1RIGHT
NC NC
NC NC
P2START P1START
COIN2 COIN1
COUNT2 COUNT1
VGREEN VBLUE
VRED VSYNC
NC NC
SPK- SPK+
-5V +12V
+5V +5V
+5V +5V
GND GND
GND GND

Pinout is ordered right to left when looking at the parts side of the board with the edge connector facing away.