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Not 100% sure, but the coils for an early 80s knob tuned set like this should be on the mainboard on or underneath a small silver (shielded) box that attaches via coax to the VHF tuner itself.
Do yourself a favor and mark down the original position before tweaking those coils though.
Nice set, let's see the chassis pics!
EDIT: about the horizontal width/centering, this can be either a coil or a VR. This set should certainly have a sticker inside with a layout of the testpoints and major components; possibly even a schematic. Take a pic of that and we'll know how to guide you.
Last edited by zenith2134; 05-28-2009 at 01:49 PM.
Reason: edit.
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