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Williams, 1987You're currently viewing posts by Pinsider twenty84.
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I replaced a diode in my AFM power driver board. After I put the board back in the CPU, switches, and display worked but almost nothing else did - very few of the lights, none of the solenoids. After about an hour of scratching my head I found the problem - when I reconnected the ribbon cable between the CPU and PD board it was off by one pin. I learned it is very easy to put this cable back on incorrectly.
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Freeland, MD