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Old 11th Jan 2021, 12:39 am   #78
Mark1960
Octode
 
Join Date: Mar 2020
Location: Kitchener, Ontario, Canada
Posts: 1,265
Default Re: Non-working Commodore PET 3016

Hi Colin,
That might be progress, maybe your short to ground has become an intermittent short to ground. That would start to point more at two pins or component leads bent together, or possibly a loose cutting floating about under one of the sockets, that may have been loosened by the investigation so far.

Try clipping your meter from clock to ground so your hands are free and poking about at the areas where the clock is connected to anything.
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