L bank is flashers on this game

On this game the L/R relay sides are reversed: the unpowered L (A) side runs the flash lamps and the R side the coils. Keep this in mind when reading the coil chart and when a shorted driver lights a flasher permanently.

Systems

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

Games

• Back to the Future
• Monday Night Football
• Phantom of the Opera
• Playboy 35th Anniversary
• Robocop
• The Simpsons
• Time Machine

Related tips

• Robocop was the first game with solid state flippers
• Monday Night Football: switch column transistor Q54 keeps failing
• Time Machine: CPU and display EPROM types and latest versions
• Playboy 35th Anniversary: CPU and display EPROM types and latest versions
• Monday Night Football: CPU and display EPROM types and latest versions
• Robocop: CPU and display EPROM types and latest versions
• Phantom of the Opera: CPU and display EPROM types and latest versions
• Back to the Future: CPU and display EPROM types and latest versions

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