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I cleaned them with a big eraser, and then did as you described, Q tip with cleaner/lube.
Its a hybrid that has transistors in the tuner, so I hope they are not noisy, would be a mega PITA to replace them.
If the problem persist I will break out the B&K 1076 and feed an IF signal in to see if the snow is a tuner or IF issue. I hope the clean up will resolve.
I cant get at the fingers on the tuner with out major surgery, so I kept cleaning the turret nobs and rotating. The fingers are next the the UHF tuner and it is hard to get a good shot at them. I tried prying up the tuner stips but they did not want to budge and I did not want to push it. If I can get 2 or 3 in a row out I would have an easytime getting the qtip at the fingers.
Pulling the turret also looks like a pita due to all the hardware hanging on the front. Normally I can just jiggle the snow out, if no change by jiggling then I figure its not the contacts.
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