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Old 1st Jun 2020, 2:49 pm   #31
Leon Crampin
Octode
 
Join Date: Nov 2005
Location: Surrey, UK.
Posts: 1,874
Default Re: AVT - Avo Two Panel Valve Tester?

As I recall, you need to remove also the 2 screws adjacent to the 9 pin socket on the main panel before removing the metal case. You can also remove the underside cover giving access to the mains voltage adjustment panel - this gives you something to push on (with care).

Leon.
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