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Thank you!!!You are welcome - and thank you for the additional picture - that is most helpful. It looks like C41 is directly in-circuit with the Vertical Linearity pot - so it definitely deserves a second or third look. Also, the "gum drop" film capacitors (circled in the picture below) often take a beating when we are working on these boards. They can get flexed multiple times (sometimes inadvertently) - which cold works the leads and breaks them at the PCB, or at the body of the capacitor. I would check those as well - not necessarily remove and check capacitance - but do a thorough visual check to make sure they don't have any broken leads.
View attachment 803875
I can only assume I had a little short or solder blob somewhere that I fixed by removing and then reinstalling the caps.