Small and medium DMD power supply CN5 pinout
On both the 128 x 16 and 128 x 32 supplies: pin 1 ground, pin 2 -98 V, pin 3 -110 V, pin 4 +68 V, pin 5 +12 V, pin 6 +5 V, pin 7 key.
The display power supply carries about 100 V or more; work on it with the game unplugged and let the capacitors discharge.
Systems
Related tips
- DMD shows lines or lights up fully, and no CPU lamps work
- DMD power supply 520-5047 revisions by game
- Zener diodes D10 and D11 by DMD power supply revision
- Never swap small and medium DMD power plugs
- Rebuild the high-voltage section of a 520-5047-00/-01/-02 supply
- Small 128 x 16 display connector J2 pinout
- Medium 128 x 32 display connector P1 pinout
- Voltages a small or medium dot matrix display needs
Source: Repairing DataEast 1987 (Laser War) to Sega 1995 (Batman Forever), Part Three, Clay Harrell (pinrepair.com)