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Hi all I'm working on a Midway UMK3 PCB. The self test identified U113 as bad. The CE, OE and all other lines seem to toggle on a logic probe and I've verified the contents on an EPROM reader. All fine. My next step is to trace the chip back towards the CPU. I think there might be RAM issues...

Hi all Hope this is the right place to past. I was recently working on a Mortal Kombat 2 PCB and found this sticker lying on my table (see attachment). I would like to get it back to where it belongs, but can't seem to find photos anywhere of where it might have come from. Please help

Hi all I got a project board from my neighbour and told him I would have a look at it - see if I can get it running. Not knowing a lot about arcade games (he's a PC tech), he says he pulled it from his cabinet years ago. It has been in storage since. Having a look at it today, the PCB is not...

Hi all I'm a hobbyist retro gamer, collector and restorer. My arcade projects at this stage include restoring PCBs and getting them to display on my Sony Flatron CRT or my LED. I love 2D graphics, SNK, fighters and platformers. Some of my favourite games include Ghosts'n Goblins, Mortal...