WWF Royal Rumble added a coin door coil power interlock

WWF Royal Rumble was the first game with a coin door switch that cuts coil power when the door is opened. Coils lose power while the door is open, which is worth remembering when a coil test seems dead.

Systems

• Data East/Sega CPU Version 3b

Games

• WWF Royal Rumble

Related tips

• Two flipper boards on WWF Royal Rumble and Baywatch
• WWF Royal Rumble and later: no coils work with the coin door open
• WWF Royal Rumble: CPU and display EPROM types and latest versions
• Wide body glass size
• Solid state flipper has no power though fuses are good

Source: Repairing DataEast 1987 (Laser War) to Sega 1995 (Batman Forever), Part One, Clay Harrell (pinrepair.com)