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Unfortunately this problem sounds like a bad main IF alignment, or else a fault
in an IF can, after fixing of which an alignment is needed.
Despite what some people say, every single postwar set I have has been
seriously out of alignment, even if it "worked OK". The picture quality and picture-sound tuning spot coincidence has been improved by either a tweek or
full alignment. If you tweek, only tweek one adjustment and return to original if
it does not completely fix the problem ... hoping that one big tweek and
one little one will 100% fix it is well on the road to Hell.
My TRK-12 was spot, perfect, on. If I could feed its video into a CT-100 it would produce a perfect color picture. The TT5, pretty much per spec, but a one-coil
tweek made it look better.
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