Thread: 1951 19" Zenith Porthole 1951 24H21 sound issue
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Old 03-09-2007, 12:58 PM
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sean sean is offline
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The '51 porthole I used to have had an AGC adjustment pot on the back of the chassis. It was for reducing the buzz in the audio. If it is a buzz that you get you might try adjusting that if your set has one.
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