Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
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Turns out it was the 150k between the height and linearity pot. Looked fine in circuit but pulling it out showed that it was measuring over a Meg. I replaced it and the height works fine now
Another congratulations that you found it. Gosh, sometimes we just have to scratch our head!