Big Game
Stern Electronics, 1980You're currently viewing posts by Pinsider marcus.
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Quoted from Quench:You have an issue with the SDB not receiving the PB0 signal on J4 pin 6 which is one of the binary (lowest bit) momentary solenoid select signals.
Recheck that you have zero ohms continuity between MPU J4 pin 4 and the SDB on pin 23 of U2 (via SDB J4 pin 6).
I also hade the same issue with a Harlem Globetrotters and this thread helped me! It was the female at sdb J4 pin 6 that hade to be repinned with new female connector!
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Boston, MA