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Old 20th Oct 2020, 4:10 pm   #19
tony brady
Pentode
 
Join Date: Mar 2014
Location: Peacehaven, East Sussex, UK.
Posts: 207
Default Re: Tektronix 7623A poser

you may be right as I'm going up and down a pdf...

it's good you have continuity on the unreg +15V but you should also have continuity of the ground from C1193, 1198 & Q1195 back to the power supply ground
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