Most of us coin-op guys or techs used to hang the back door key inside a hook on the coin door. There should be a back door lock located top middle of the door and somewhere inside your game there should be the key to unlock it. To open a Pacman or Ms Pacman back door, first unplug the game and slide the game away from the wall and then turn it around so that you’re looking at the back of the machine. Third– If still nothing powers up, leave this game switch in the “On” position and simply unplug the game when directed to turn the game “Off” or plug it back in in order to turn the game “On” while working on it.-Now it’s time to open the back door. If nothing happens when pressed on, please toggle it back and forth just to make sure. (Some cabinets might be different if not an original Pacman cabinet and the On/Off switch maybe found below the back door or in a different location.) Please find the On/Off switch and press it to the “On” position. If you stand on a chair and look at the top (roof) of your game you’ll see the On/Off switch. Second- Once you’ve confirmed your plug receptacle is working and with the game still plugged in, check the On/Off switch located on the top of the game cabinet. (The reason I started here is I once worked hours on a game only to find out that breaker had been tripped to the plug-and yes I didn’t tell anyone I did that:) To test it, simply plug something else into the socket like a lamp or a drill or anything that can confirm that the electrical outlet is in fact working.

First-Check to make sure that the game is in fact plugged in and is plugged into a working receptacle that has not been “kicked off” by some sort of surge of electricity, bad breaker, or a tripped GFCI plug.

Ms pac man arcade table top