I just acquired a working Galaxian board that is missing the Fire and Explosion sounds. Which chips control these 2 sounds? With any luck, I can swap them out with 2 other non-working boards I have. Thanks!
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4066 is a cmos switch, not a mux.it could also be that 4066 analog mux but I think it is more likely the be the 324.
Not a bad idea. Although I have 2 extra non-working boards I can rip off a 324 or 4066 from. The hard part is getting these small IC bastards off!
Buy 10 of them to have extras on hand.