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

SiriusHardware · 25th Feb 2021, 2:23 pm

You have one channel set to 1V / Div and the other set to 5V / Div - best to set both to 1V / Div so both signals are the same 'height'.

That first capture appears to show no activity (or constant logic 0 output) during UD6 chip select at DA0 on the CPU - which is surprising.

25th Feb 2021, 2:23 pm	#664
SiriusHardware Dekatron Join Date: Aug 2011 Location: Newcastle, Tyne and Wear, UK. Posts: 11,548	Re: Non-working Commodore PET 3016 You have one channel set to 1V / Div and the other set to 5V / Div - best to set both to 1V / Div so both signals are the same 'height'. That first capture appears to show no activity (or constant logic 0 output) during UD6 chip select at DA0 on the CPU - which is surprising.