Zero Hour --------- COMPONENT | SOLDER ---------------------+---------------------- GND | 1 | A | GND GND | 2 | B | GND +5V | 3 | C | +5V +5V | 4 | D | +5V +12V | 5 | E | +12V | 6 | F | GND | 7 | G | GND | 8 | H | | 9 | I | |10 | J | Audio Out - |11 | K | Audio Out + |12 | L | 1P.Left |13 | M | 2P.Left 1P.Down |14 | N | 2P.Down 1P.Right |15 | O | 2P.Right 1P.Up |16 | P | 2P.Up 1P.Fire |17 | Q | 2P.Fire 1P.Start |18 | R | GND Switches 2P.Start |19 | S | Right Coin GND Switches |20 | T | Left Coin Red |21 | U | Green |22 | V | Blue |23 | W | Sync |24 | X | Tilt sw. Video GND |25 | Y | Tilt sw. |26 | Z | |27 | a | |28 | b | Dip sw.A ------------- | Left Coin | Right Coin | 1 2 3 4 5 6 7 8 Coin Play ---------------------------------------- - - - - - - - - 1 1 - - - + - - - + 1 2 - - + - - - + - 1 3 - - + + - - + + 1 4 - + - - - + - - 1 5 - + - + - + - + 2 1 - + + - - + + - 2 3 - + + + - + + + 3 1 + - - - + - - - 3 2 + - - + + - - + 4 1 + - + - + - + - 1 1 + - + + + - + + 1 1 + + - - + + - - 1 1 + + - + + + - + 1 1 + + + - + + + - 1 1 + + + + + + + + 1 1 Dip sw.B -------- 1 2 3 4 5 6 7 8 ----------------------------------------------------------- Player + + 2 - - 3 - + 4 + - 5 Bonus - - 5000 - + 8000 + - 10000 + + No Bonus Type - Table + Upright