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

SiriusHardware · 5th Mar 2021, 7:01 pm

You have activity on UH6 pin 12 but not on UH6 pin 3, correct? What about UH6 pin 2?

Also check voltage on UH6 pin 13 (should be high, steady ~5V).

Also check supply voltage to UH6 on pin 7 (0V supply pin, black lead) and pin 14 (+5V supply pin, red lead).

5th Mar 2021, 7:01 pm	#803
SiriusHardware Dekatron Join Date: Aug 2011 Location: Newcastle, Tyne and Wear, UK. Posts: 11,586	Re: Non-working Commodore PET 3016 You have activity on UH6 pin 12 but not on UH6 pin 3, correct? What about UH6 pin 2? Also check voltage on UH6 pin 13 (should be high, steady ~5V). Also check supply voltage to UH6 on pin 7 (0V supply pin, black lead) and pin 14 (+5V supply pin, red lead).