Replace relays only with an exact match

Every relay in these games has at least two contact sets. Fitting one with a single DPDT set can short the power supply and start a fire.

A wrong replacement relay can short the supply and cause a fire.

Systems

• Data East CPU Version 1/2
• Data East CPU Version 3
• Data East/Sega CPU Version 3b

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