Thread: TV-37 vertical hum?
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  #20  
Old 05-06-2026, 08:41 AM
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dtvmcdonald dtvmcdonald is offline
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I have one of those sets. It had that problem. The problem was a small heater-cathode leakage in sweep tube. I had a 7" set with a bar
(not sweep distortion) moving ta the usual rate, and was heater-cathode leakage in a tube affecting the AGC.
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