UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Non-working Commodore PET 3016

SiriusHardware · 10th Apr 2021, 9:15 pm

That's almost a carbon copy of the fault I was remembering in #1528.

You press Q, get W. Press 'W', get W. Both Q and W are being interpreted as 'W'. Same pattern repeated as you go from left to right across the keyboard.

I'm going to say this is the 74LS145.

10th Apr 2021, 9:15 pm	#1530
SiriusHardware Dekatron Join Date: Aug 2011 Location: Newcastle, Tyne and Wear, UK. Posts: 11,575	Re: Non-working Commodore PET 3016 That's almost a carbon copy of the fault I was remembering in #1528. You press Q, get W. Press 'W', get W. Both Q and W are being interpreted as 'W'. Same pattern repeated as you go from left to right across the keyboard. I'm going to say this is the 74LS145.