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Old 25-Nov-2017, 9:20 PM   #22
Retired A/V Tech
Join Date: Aug 2012
Location: S.E. VA
Posts: 2,565
Thanks for the excellent photos. That looks like the Winegard HD7697P or 7698P.
That checking stuff is a bit over my head. Wouldn't I be better off just buying a new preamp and taking my chances -- especially considering the two complete blackouts I've had in the past year or so?
That might be a good idea, as long as you understand that it could be something else like a bad connection in the CB-8269
cartridge housing (balun/combiner). The CB-8269 is an odd design. The forks make contact with the wires from the UHF and VHF sections in a way that doesn't look 100% reliable to me. There is a replacement available:

The trees and the hill certainly could be the major problems.
If you can not measure it, you can not improve it.
Lord Kelvin, 1883

Last edited by rabbit73; 25-Nov-2017 at 9:33 PM.
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