With the connector away from you, it'll be on your right along the edge halfway up. So for any other owners out there - have you noticed the occasional colour flashes, and what part number is on your RAM chip on the video board near the tile ROMs. The RAM near the tile ROMs underneath is a 150ns one. The security masking on this board is a different colour, closer to a gold/brown. The other one is currently broken - but before it died I don't remember it doing this, but perhaps I hadn't played it enough. Both of these PCBs are a very green colour, single RAM underneath near the tile roms is a 200ns one. It happens more in stage 5, again mostly when vertical movement is involved. After that you don't really see it again until stage 4, particularly if a lot of enemies appear at once and you climb higher. It happens occasionally (maybe once every two plays) on the initial tower section of stage 2, particularly if you climb quite high quickly. Two of them seem to have occasional flashes on the backgrounds - just like one colour on the tiles is wrong for 1 frame. I've got three Ghosts n Goblins PCBs here.
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December 2022
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