PCB Pinout Parts Side/Solder Side ------------------------------------------------------------- +12 Volts | 1 | A | -5 Volts ------------------------------------------------------------- Speaker + | 2 | B | Speaker - ------------------------------------------------------------- | 3 | C | ------------------------------------------------------------- | 4 | D | ------------------------------------------------------------- | 5 | E | ------------------------------------------------------------- Retract | 6 | F | ------------------------------------------------------------- Up | 7 | H | Down ------------------------------------------------------------- Left | 8 | J | Right ------------------------------------------------------------- 1P Start | 9 | K | ------------------------------------------------------------- | 10 | L | Coin ------------------------------------------------------------- Coin Counter | 11 | M | 2P Start ------------------------------------------------------------- | 12 | N | ------------------------------------------------------------- TV Blue | 13 | P | TV Green ------------------------------------------------------------- TV Sync | 14 | R | TV Red ------------------------------------------------------------- | 15 | S | ------------------------------------------------------------- Ground | 16 | T | Ground ------------------------------------------------------------- Ground | 17 | U | Ground ------------------------------------------------------------- +5 Volts | 18 | V | +5 Volts -------------------------------------------------------------