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49-504 voltage drop / pilot lamp spike problem
#2

The problem is in the hv circuit as it's related to the lamp thru the heater tap/plate connection. If you are sure all of the caps are good I would replace the rubber wire in the hv and heater circuits. Slim chance that you may have something like a shorted primary winding on the output transformer. Could have a tube w/a short that is pulling the hv down.
Happy Hunting!

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry





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