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Dave, check that schematic again. The VHF HI and LO antenna inputs got to separate pairs of input pins on the tuner drum inserts. The HI and LO inserts have a coil between either the HI or LO inouts, but not both. So if you have a source which provides both HI and LO VHF signals (such as a cable system), you can dreive the HI and LO inputs in parallel. If you have separate HI and LO VHF antennas, you drive the HI and LO inputs separately.
You can almost bet that every TV on ebay that still has a powr cord has been pluggen in and tried, no matter what they claim.
I have taken a few courses from the variac-it-now fix-it-later school myself. Mostly harmless, as long as one knows when to quit.
Good luck with it. I think I still have a spare chassis & tuner if you need anything.
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John Folsom
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