Quote:
Originally Posted by old_coot88
And even then, turning of the video IFs should never happen unless one is equipped with a sweep genny and 'scope and knows how to do alignment, AND there's clear-cut evidence of misalignment (ringing and/or smearing of fine detail in the pic), and subbing the IF tubes doesn't fix it.
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Agreed. Though some service prints give data for a sweep-less peaking alignment using a simple sine-wave generator, some adjustments like traps are meant to be peaked to a frequency and can be set the same way.
I remember one guy here who properly aligned a Dumont by eye....I would not try or recomend that, but MAN was it ever impressive....