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Old 03-02-2021, 10:19 PM   #3
Kg74
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Join Date: Feb 2013
City & State: Edina, mn
My Country: Usa
I'm a: Knowledge Seeker
Posts: 49
Default Re: An old dinosaur bench top power supply - help needed

Thanks RJ - sounds like it may be worth some attention. I measured the transformer output and it is 25V a/c. Diodes seem to check out.

Any suggestions on testing the UA7805? Can it be done on board or should I remove it?
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