Power supply CN1 pinout, pins 1-6
Pins 1-3 sit between the notches on the plug. Pin 1: 18 V from bridge BR1, passed straight to CN4 pins 5-8 for the lamp matrix; on Checkpoint to Guns N' Roses it also feeds regulator VR1, which makes the +12 V for the 128x16 and 128x32 dot matrix at CN5 pin 5. Pins 2 and 3: 32 V from BR2 for the solenoids. Pin 4: display high voltage (alphanumeric and 128x32 games only). Pin 5: unused. Pin 6: passed straight to CN3 pins 1 and 2.
Systems
Related tips
- Power supply board versions are not interchangeable
- Z1 on the power supply is a varistor, not a diac
- Power supply board versions and their +5 V filter capacitors
- Power supply gives no +5 V
- No or low +5 V from the power supply
- A 520-5047-02 supply can stand in for a 520-5047-01
- Won't boot, only some lamps on: bad capacitor joints on the power supply board
- Alphanumeric games need the 520-5000-00 supply
Source: Repairing DataEast 1987 (Laser War) to Sega 1995 (Batman Forever), Part Two, Clay Harrell (pinrepair.com)