Skateball
Bally, 1980You're currently viewing posts by Pinsider frisbez.
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Check for continuity between the pin 10 of connector J2 to each of the orange-white wires on the switch lugs.
If the switches worked for a bit after swapping MPUs I would suspect you might need to repin that J2 connector on the mpu.
Quoted from Hi-Fi:I just repinned the J2 connector. I will have to double check #10. Maybe I boogered something up.
Check for continuity to the switches too. My guess since you repinned it if the connector looks good is that a diode on one of those switches failed open and isn't passing voltage through.
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Kent, WA