Thread: RCA 721TS Help
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Old 11-12-2015, 10:19 PM
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Radiotronman Radiotronman is offline
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Success!

I replaced a few more out of tolerance resistors in the vertical oscillator circuit with little improvement. So I went to my 1950s tv repair bookshelf for some pictorial help. My book said split vertical picture is due to a few things, including misadjusted vertical hold control. I laughed and thought....no kidding! But I figured nothing else has worked and I didn't really spray this control. I rocked it quickly from one end to another and bingo, one picture!
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