Can you verify the amplifier model number? If it's one of the several models of the Chromstar 2000 Series, it would help to know which one. I'm expecting something like APxxxx format when dealing with a Winegard preamp model number.
Have you tried this without the amplifier and it's power supply in the system?
Also, have you tried this with only a single TV connected, with just a piece of coax, no splitters or any other accessories... and the antenna pointing at 306° per a compass?
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