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Old 10-31-2021, 10:12 PM   #10
Join Date: Feb 2010
City & State: Ames Iowa USA
Line Voltage: 120VAC 60Hz
Posts: 69
Default Re: Motor control board

Originally Posted by R_J View Post
Do both regulator ic's have a common ground?
I checked tonight in diode test mode between the AVR1 ground to the AVR2 ground and got a diode voltage drop -- about .595 volts.
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