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Museum of the Game® & International Arcade Museum® Forums
I'm working my way through a track and field PCB and am at a point where I need some assistance. The board won't boot at all. All of the socketed chips are known good and the sockets are new. I believe my next step is finding why the WREN bar signal on the 504 custom @ 3E is not happy. Here is what it is doing:
Here's the same signal on a working board
Any ideas what I need to check next to get the signal to generate properly?