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#1
10-20-2016, 12:31 PM
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Some Dumonts had a nut on top of the H osc transformer can that would act as a coarse hold/H frequency control....If it has the can and there are adjustable slugs that may be worth doing...If no nut I recommend checking the waveform with a scope while adjusting the transfmr.
__________________
Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 
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#2
10-21-2016, 12:00 AM
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The horizontal oscillator transformer in this set has a round disc that you turn with your hand to adjust horizontal hold. I backed it in and out with no locking picture. I'll check resistors around this transformer and in the sync circuits and hopefully find the out of tolerance resistor causing this.
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#3
10-22-2016, 12:37 AM
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I replaced several out of tolerance resistors in the horizontal sync and sync clipper areas, but nothing changed. Still can't get the horizontal to lock. Any thoughts?
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