AX-990 Switch Replacement

One problem that's been apparent on both my AX-990s was the incredibly poor video quality. Colours would be distorted and sometimes the TV would lose the video signal entirely. The culprit is the toggle switch on the rear that changes between MSX and Sega modes. Often just touching it lightly was enough to make the video signal dance and flicker. With only a small amount of work this can be fixed and perfect composite video is the result!

Continue reading AX-990 Switch Replacement...