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So it turns out the neck board is the problem I swapped it with the other neck board and problem solved. I have G1 control back.
G1 control has no effect on the bad neckboard. it's gone full tilt. Potentiometer is good.
Also the power supply is causing the raster to pulsate. I recapped it and same issue. Something is not smoothing the DC. The other power supply solves this issue.
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Honey, turn on the tv.. I'm cold!
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