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Those symptoms are similar to what I'm having on my Zenith roundie. I had the breaker trippin in the set because of a shorted electrolytic cap. I overcame that to discover that the horizontal output tube was drawing excessive current. After that, a broken horizontal efficiency coil. I'm going to replace that and see if the horizontal oscillator is running.
Without oscillator drive, nothing else in the horizontal sweep and high voltage circuits will work. You might want to check that out.
I'd love to see the inside of that set. Can you post some pics?
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Just look at those channels whiz on by. - Fred Sanford
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