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

SiriusHardware · 17th Mar 2021, 9:42 pm

Try looking at the pin 4 and 15 signals with the horizontal trace speed slowed down quite a bit. If you still get constant low and high levels on those lines we'll have to think about why that is.

17th Mar 2021, 9:42 pm	#1115
SiriusHardware Dekatron Join Date: Aug 2011 Location: Newcastle, Tyne and Wear, UK. Posts: 11,558	Re: Non-working Commodore PET 3016 Try looking at the pin 4 and 15 signals with the horizontal trace speed slowed down quite a bit. If you still get constant low and high levels on those lines we'll have to think about why that is.