Konami GT --------- To Steering PCB (Optos) Solder Side | Parts Side _______________________ _____________________|____________________ 1 +5V -5V | A | 1 | +12 2 Steering 1 Speaker | B | 2 | Speaker 3 Steering 2 | C | 3 | 4 GND | D | 4 | | E | 5 | | F | 6 | Gear | H | 7 | Service Switch To Brake/Accel (Pots) | J | 8 | _____________________ | K | 9 | 1 +5V Coin (1) | L | 10| Coin (2) 2 Accel | M | 11| Coin Counter (1) 3 Brake | N | 12| Coin Counter (2) 4 GND Video Green | P | 13| Video Blue Video Red | R | 14| Video Sync | S | 15| GND | T | 16| GND GND | U | 17| GND +5 | V | 18| +5 DIP SWITCH No.1 SETTINGS_____________________________________________________ 1.COIN SWITCH NO.1 SETTINGS SW 1 2 3 4 COIN PLAY O OFF OFF OFF OFF 1 1 ON OFF 1 2 OFF ON 1 3 ON ON 1 4 OFF OFF ON OFF 1 5 ON OFF 1 6 OFF ON 1 7 ON ON 2 1 OFF OFF OFF ON 2 3 ON OFF 2 5 OFF ON 3 1 ON ON 3 2 OFF OFF ON ON 3 4 ON OFF 4 1 OFF ON 4 3 ON ON FREE PLAY 2.COIN SWITCH NO.2 SETTINGS SW 5 6 7 8 COIN PLAY O OFF OFF OFF OFF 1 1 ON OFF 1 2 OFF ON 1 3 ON ON 1 4 OFF OFF ON OFF 1 5 ON OFF 1 6 OFF ON 1 7 ON ON 2 1 OFF OFF OFF ON 2 3 ON OFF 2 5 OFF ON 3 1 ON ON 3 2 OFF OFF ON ON 3 4 ON OFF 4 1 OFF ON 4 3 ON ON INVALIDITY DIP SWITCH No.2 SETTINGS 1.DIFFICULTY OF THE GAME SW 5 6 DIFFICULTY OFF OFF EASY O ON OFF NORMAL OFF ON DIFFICULT ON ON VERY DIFFICULT 2.SOUND IN ATTRACT MODE SW 8 OFF OFF O ON ON Sw1, Sw2, Sw3, Sw4, Sw7 NOT USED DIP SWITCH No.3 SETTINGS _____________________________________________________ 1.VIDEO SCREEN FLIP SW 1 VIDEO SCREEN FLIP O OFF NORMAL ON UPSIDE DOWN 2.Change Mode SW 3 OFF Game Mode O ON Check Mode Sw2, Sw4, Sw5, Sw6, Sw7, Sw8 NOT USED