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I took another look at this project today. I wrote down all of the values of the micamold style caps to order replacements. These are all very small value, most around 100pf.
The issue I can't figure out is a severe linearity distortion on the left hand side of the screen. See attached. There is even a brightness variance on this band of distortion. All paper and electro caps have been replaced. All I can think to do next is replace the micamold caps.
The horizontal linearity control works, but it does not change the distortion at all.
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