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Sweep problem

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Jackson
Posts: 1
Joined: April 21st, 2021, 12:28 pm
Country: United States

Sweep problem

Post by Jackson » April 21st, 2021, 12:42 pm

I have a Tek model 2235 scope that I - up not working. The display is a band 5 cm in height. A vertical signal will superimpose itself on the display.
The vertical and horizontal signal are as expected on the deflection plates, The voltage's on the astigmatism pot are as specified and has no effect. The focus control also has no effect.
Is this a bad CRT or am I missing something?
Any help will be very much appreciated.
Jackson

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