Galaxian, Midway ---------------- * NOTE This pinout is to be used on a converted Galaxian to operate on DC voltages. Conversion instructions follow the pinout. Comp Side | Solder Side ---------------------------------------------- GND | A | 1 | GND GND | B | 2 | GND +5 VDC | C | 3 | +5 VDC +5 VDC | D | 4 | +5 VDC | E | 5 | Coin Slot Return | F | 6 | | H | 7 | Coin Counter Coin Switch 1 | J | 8 | Coin Switch 2 Test Switch | K | 9 | Credit Switch P1 Start | L | 10| P2 Start P1 Left | M | 11| P1 Right P1 Fire | N | 12| P2 Fire P2 Left | P | 13| P2 Right GND for Table | R | 14| Video GND | S | 15| GND Video RED | T | 16| Video GREEN Video BLUE | U | 17| Video SYNC Speaker (-) | V | 18| Speaker (+) +12 VDC | W | 19| +12 VDC +12 VDC | X | 20| +12 VDC GND | Y | 21| GND GND | Z | 22| GND Conversion from AC to DC ------------------------ Short the following components on the board: D4 D5 D6 D7 R87 =================================================================== GALAXIAN CLONE -------------- COMP SIDE CKT SIDE ---------- ---------- 1 GND 2 GND 3 GND 4 GND 5 6 7 8 9 10 11 12 13 14 15 2 START 16 1 START 17 18 SYNC 19 20 21 +12V 22 +12V 23 +12V 24 +12V 25 26 SP+ 27 28 29 VID RED 30 VID GN 31 VID BL 32 33 34 RESET 35 36 37 COIN 39 GND 40 GND 41 GND 42 GND 43 +5V 44 +5V