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Old 11th Apr 2022, 7:23 pm   #15
SiriusHardware
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Join Date: Aug 2011
Location: Newcastle, Tyne and Wear, UK.
Posts: 11,586
Default Re: Commodore CBM 4040.

Yep, that's OK then. Couple more checks, what is the resistance of the transformer measured between terminal 2 and terminal 6?

What is the resistance between live and neutral at the mains plug - plug NOT plugged into the mains, obviously.

What is the resistance between Live and Earth in the plug?

What is the resistance between Neutral and Earth in the plug?

The first measurement is likely to be quite low, as you are measuring the resistance of a very long piece of wire.

The three measurements afterwards should be very high or infinite.

Last edited by SiriusHardware; 11th Apr 2022 at 7:29 pm.
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