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Old 11th Apr 2022, 8:05 pm   #17
ScottishColin
Octode
 
Join Date: May 2012
Location: Perth, Scotland
Posts: 1,821
Default Re: Commodore CBM 4040.

2->6 - 32.4 ohms

L->N - 0

L->E - 0

N->E - 0

Is that OK for me to do your suggested re-wiring in the next message? I have solid core mains cable or stranded cable - which is better?

Colin.


Quote:
Originally Posted by SiriusHardware View Post
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.
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