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Old 17th Mar 2021, 8:53 pm   #1107
ScottishColin
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Join Date: May 2012
Location: Perth, Scotland
Posts: 1,822
Default Re: Non-working Commodore PET 3016

I tried every setting on the meter and the readings stayed stubbornly at 1

Colin.



Quote:
Originally Posted by SiriusHardware View Post
Quote:
Did you mean black on 0V (eg Pin 8 pad on UG4) for the second set of readings? If so, then I can't get any reading at all for those pins
By 'No reading' you mean infinite or above 20K, I guess.

Obviously there are noticeable differences between three of the pin pairs and the others, but not enough to be conclusive by themselves.

Let's see what you find on the scope when looking at those lines.

Edit: Just caught your last, looking now.
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