On a dot matrix game the display version message appears but the game never goes on to boot.

Display EPROM version appears, then nothing more

Cause: The display controller is fine; the main CPU board is failing to boot.

Checks

• Watch the CPU board LEDs at power-on.
• Check +5 V at the CPU test points.

Fix

• Work through the dead-CPU checks.

Systems

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

Games

• Adventures of Rocky and Bullwinkle and Friends
• Batman
• Batman Forever
• Baywatch
• Checkpoint
• Guns N' Roses
• Hook
• Jurassic Park
• Last Action Hero
• Lethal Weapon 3
• Mary Shelley's Frankenstein
• Maverick
• Star Trek
• Star Wars
• Tales from the Crypt
• Teenage Mutant Ninja Turtles
• The Who's Tommy Pinball Wizard
• WWF Royal Rumble

Related tips

• Checkpoint: CPU and display EPROM types and latest versions
• Batman: CPU and display EPROM types and latest versions
• Hook: CPU and display EPROM types and latest versions
• Tommy: CPU and display EPROM types and latest versions
• Maverick: CPU and display EPROM types and latest versions
• Frankenstein: CPU and display EPROM types and latest versions
• Baywatch: CPU and display EPROM types and latest versions
• Lethal Weapon 3: CPU and display EPROM types and latest versions

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