Quote:
Originally Posted by dtvmcdonald
Look at that focus control circuit. Its as bizarre as I have ever seen in one of these old TVs!
It simply changes where some current goes off to a modest amount of drain, e.g. the audio output screen. Not a lot of range. In the process it changes the voltage on the CRT cathode and grid in sync.
Which end of the control are you at?
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I'm at the full clockwise...