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Old 29th Apr 2021, 9:15 pm   #1808
Timbucus
Octode
 
Join Date: Mar 2019
Location: Barry, Vale of Glamorgan, Wales, UK.
Posts: 1,072
Default Re: Non-working Commodore PET 3016

Quote:
Originally Posted by SiriusHardware View Post
Well... No.

Quote:
I'm inclined to believe somehow the +5v got overvoltaged and took them out.
...And yet it somehow missed all of the LSI (big chips), and every single one of the notoriously fragile RAM ICs survived. It's a mystery on par with the Marie Celeste, The Princes In The Tower, and the Even Number Of Socks In / Odd Number Of Socks Out puzzle.

In most cases you would be looking at one or two devices failed and maybe a bit of cosmetic damage to repair - I doubt that you will ever tackle another one as difficult as this.
Now you just had to go and say that didn't you just as I start a major restoration project - even if Colin never goes through it again...
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