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Old 07-10-2018, 09:45 AM
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Penthode Penthode is offline
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Join Date: Jun 2009
Location: Kitchener/Waterloo Ontario Canada
Posts: 698
There may be more problems lurking around the flyback transformer. Generally a pulse winding on the fly back feeds the phase detector and if it is open, you will lose lock.

Can you post the schematic focussed on the horizontal afc?
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