Thread: 1964 Zenith M2109U chassis 14M28 tube layout
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  #13  
Old 05-17-2017, 02:39 PM
pac.attack76 pac.attack76 is offline
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Join Date: Mar 2013
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I forgot about that. Different brands, different numbers. Any idea where the hum is coming from? No image on screen either. May be related?
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