A 520-5047-02 supply can stand in for a 520-5047-01

The only change from -01 to -02 is CN7, the GI relay control plug: three pins on -01, five on -02 (the extra two carry unregulated 12 V). The three-pin harness plug fits the -02 header as long as its key pin is in place.

Systems

• Data East CPU Version 3

Games

• Adventures of Rocky and Bullwinkle and Friends
• Lethal Weapon 3
• Star Wars

Related tips

• Power supply board versions are not interchangeable
• DMD power supply 520-5047 revisions by game
• Adding jumper wires across DB1 and C4 (520-5047-00/-01/-02)
• Z1 on the power supply is a varistor, not a diac
• Power supply board versions and their +5 V filter capacitors
• Power supply CN1 pinout, pins 1-6
• Power supply CN1 pinout, pins 7-12
• Power supply gives no +5 V

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