Dot matrix controller boards

DMD games run the display from a second CPU. Checkpoint to Hook: Z80A on the back of the 128x16 display itself. Lethal Weapon 3 to Last Action Hero: 68B09 on 520-5055-00; TftC through GNR: 520-5055-01. Maverick to Batman Forever: 68000 on 520-5092-01. These boards do not swap between display sizes.

Systems

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

Related tips

• Dot matrix controller boards and processors by game
• Black DMD: Data East DMD controller has no clock past the 74HCT240 at U1
• Dot matrix controller CPUs by display size
• Display not working: check +5 V at the controller first
• The dot matrix display has its own computer
• The three Data East dot matrix display sizes
• Voltages a small or medium dot matrix display needs
• Checklist for a dead small or medium dot matrix display

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