Namco Pole Position II - Pin Outs ---------------------------------- CPU Board - 36 Pin Component side | Solder Side -----------------------|------------------------ +12 V OUT A | 1 +12 V OUT LOCK OUT solenoid B | 2 START LAMP COIN COUNTER 1 C | 3 COIN COUNTER 2 SERVICE D | 4 TEST COIN 1 E | 5 COIN 2 START 0 F | 6 START 1 H | 7 SHIFT GND J | 8 GND SOUND 1 K | 9 SOUND 2 SOUND 3 L | 10 SOUND 4 SOUND GND M | 11 SOUND GND VOL. GND N | 12 VOL. GND GAS P | 13 BRAKE VOL. Vcc R | 14 VOL. Vcc +5 V OUT S | 15 +5 V OUT T | 16 STEERING 1 U | 17 STEERING 2 GND V | 18 GND * connect the "START 1" and "START 0" Volume "GAS" "BRAKE" Photo sensor "STEERING" - Video Board - 20 Pin Component side | Solder Side -----------------------|------------------------ SP FRONT R + A | 1 SP FRONT R- SP FRONT L + B | 2 SP FRONT L- SP REAR R + C | 3 SP REAR R- SP REAR L + D | 4 SP REAR L- RED E | 5 GREEN BLUE F | 6 SYNC VIDEO GND H | 7 VIDEO GND GND J | 8 SOUND 1 SOUND 2 K | 9 SOUND 3 SOUND 4 L | 10 SOUND GND * I connect the "1 2 3 4 GND SOUND" of J1 and J4 respectively - Power connectors 1 +12 V IN 2 GND 3 +5 V IN