Power supply 520-5047-03 does not interchange with earlier supplies

The four 192 x 64 display games use power supply 520-5047-03, which has no high-voltage section. It cannot replace the -00, -01 or -02 boards, nor they it.

Systems

• Data East/Sega CPU Version 3b

Games

• Batman Forever
• Baywatch
• Mary Shelley's Frankenstein
• Maverick

Related tips

• Power supply board versions are not interchangeable
• Adding jumper wires across DB1 and C11-C14 (520-5047-03)
• DMD power supply 520-5047 revisions by game
• Won't boot, only some lamps on: bad capacitor joints on the power supply board
• Only GI for 10-15 minutes after power-on, coils lock on and blow fuses: weak 5 V supply
• Three backbox bridges on 192x64 DMD games
• Rebuild the high-voltage section of a 520-5047-00/-01/-02 supply
• Z1 on the power supply is a varistor, not a diac

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