Post#3 » Fri May 18, 2018 2:43 pm
check the pins betwen the PSU and motherboard, they are a VERY common problem with dreamcasts. Push the 'gates' down a bit on the PSU board to give them a better contact with the pins
Dreamcast: Blue Swirl, 60hz, White LED, Removable battery holder, Internal SD card reader, BBA, DreamPi, RGB Scart