Baby Pac-Man
Bally, 1982You're currently viewing posts by Pinsider the_location.
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Here is something from pinrepair.com that might help. http://www.pinrepair.com/bally/babypac.htm
"3rd Flash.
After a pause, the 6809 CPU chip at U8 attempts to test the program EPROM at U12. This is done using a chksum routine. If the chksum is correct, the third LED flash is shown. If there is no third LED flash, the EPROM at U12 is bad (or its socket or a trace is broken going to U12)."\
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Springfield, OR