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Old 29th Sep 2019, 2:05 pm   #5
ColinTheAmpMan1
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Join Date: Jan 2012
Location: Wimbledon, London, UK.
Posts: 1,465
Default Re: AVO Model 7 Restoration

Quote:
Originally Posted by Superscope View Post
Currently, all DC Ranges work but are around 5% High, but no AC Ranges work, which I guess might be to do
with not having any Batteries connected.
I thought that the batteries in AVOmeters were only for the "Ohms" ranges. I might have suspected that failure of the AC ranges would be down to a problem with the rectifier, but I know very little about the innards of AVOmeters , especially the Model 7.

Colin.
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