Nichibutsu Crazy Climber Pinout

SOLDER SIDE PARTS SIDE
P1UP P1DOWN
P1LEFT P1RIGHT
P2UP/P1B2 P2DOWN/P1B4
P2LEFT/P1B1 P2RIGHT/P1B3
NC NC
NC NC
P2UP P2DOWN
P2LEFT P2RIGHT
P2B2 P2B4
P2B1 P2B3
NC NC
NC NC
COIN1 COIN2
P1START P2START
UPRIGHT NC
SPK+ +12V
+5V +5V
+5V +5V
GND GND
GND GND
NC NC
NC NC

Pinout is ordered right to left when looking at the parts side of the board with the edge connector facing away. Pinout shows jumper selectable 2 JOYSTICK/BUTTON control mapping configurations.