Quote:
Originally Posted by old_coot88
The first guess would be a weak H output tube of couse. There's a 'quick and dirty' way to check it without subbing the tube.
Turn the set off for about 7 seconds, and back on. Does the width take a while to fill back out to where it was, or not? If it does, it's likely the H out tube.
(The '7 seconds off' test can also reveal borderline weak H osc., 3.58 color osc., Vert out, RF amp tubes, etc.)
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I subbed in a spare NOS 6JS6C tonight and unfortunately it made no difference. I also swapped the damper tube.
11-30-2014, 08:34 PM
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