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

ScottishColin · 18th Jan 2021, 8:02 pm

#152
OK - here goes and hopefully I'll make more sense.

Black pin 7-> Red pin8 UG5
Frequency Measurement - 0hz
Resistance measurement - 000.0Ω

Pin7 voltage measurement is now 2.15V steady

#153
Old meter shows 1 when probes are connected to nothing. When connected Black pin 7 Red pin8 UG5, it changes to -1 (minus 1).

18th Jan 2021, 8:02 pm	#154
ScottishColin Octode Join Date: May 2012 Location: Perth, Scotland Posts: 1,818	Re: Non-working Commodore PET 3016 #152 OK - here goes and hopefully I'll make more sense. Black pin 7-> Red pin8 UG5 Frequency Measurement - 0hz Resistance measurement - 000.0Ω Pin7 voltage measurement is now 2.15V steady #153 Old meter shows 1 when probes are connected to nothing. When connected Black pin 7 Red pin8 UG5, it changes to -1 (minus 1).