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Old 03-02-2021, 11:15 PM   #9
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Default Re: An old dinosaur bench top power supply - help needed

It could be that the ground circuit is open, check the resistance between the large capacitor negative and the regulator common(can/heatsink) then vary the control and see what resistance you measure. The pot might be open?

Last edited by R_J; 03-02-2021 at 11:17 PM..
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