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Old 17th Sep 2020, 11:37 am   #42
Slothie
Heptode
 
Join Date: Apr 2018
Location: Newbury, Berkshire, UK.
Posts: 538
Default Re: I found it !. A very sorry looking MK14

I "corrected" that blob without really noticing it because I had already decided the schematic was more a guide than a definitive reference One version of the schematic I used had the numbers for the common cathodes of the display backwards and guess which one I followed on my initial prototype! So when I finally got my prototype working the display was fully working and backwards! Much track cutting and bodge wire fitting followed that one.
All things considered its a wonder I got the keyboard connector correct as I seem to have done. I think its because by then I was using an issue V schematic I'd found and confirmed it with posts I'd seen on here (possibly your MK14 uploader device). Because the schematic was so vague I had to go looking elsewhere...
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