Future Spa
Bally, 1979You're currently viewing posts by Pinsider xenon75.
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Is it the original MPU board? Any signs of alkaline damage to the board? Have you verified the correct voltages at the rectifier board, then the solenoid driver board, then lastly the mpu?
Likely issues:
Bad connectors - need to be rebuilt
Alkaline damage on original MPU - could have damaged reset section, 5101 socket, connectors/headers
Solenoid driver board needs to be recapped if original - would prevent booting of the MPU if 5volts was missing
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Richfield, MI