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#16
07-12-2011, 04:54 PM
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Found it, had to drop the MV.. I tested all guns and all read well into the green, all seem to read the same, none weaker than others.. I put the set back together and seems to be working like a charm.. Thanks for the input radiotvnut..
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#17
07-12-2011, 08:35 PM
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I had a similar one once and wish I still had it.personally i'm a big fan of gte sylvania's the 70s/pre-NAP ones especially
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#18
07-15-2011, 03:54 AM
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I notice these sets have a common tuner problem, this set hooked to the converter box and is on 3. The channel goes out to complete static periodically and have to move the channel up or down and than back to 3..
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#19
07-15-2011, 10:26 AM
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Another trouble spot (if I remember that chassis) that will make you scratch your head is no color. There are two (I think 150K) resistors side by side near the flyback that open up. Took me a long time to find them. Other than that, these were good sets!
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#20
07-15-2011, 06:22 PM
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The high pitched ringing you hear is from the flyback as it has a loose core. We would fix that by driving a small thin wood wedge between the core and the windings (toothpick works good many times) and then you can RTV it. Sometimes you can tighten the two nuts on the FB holding the core but if you overtighten them, you can either break the core or the soft threaded rod that the nuts connect to. The noise doesn't hurt anything but it sure is annoying.
The flyback doesn't hold any charge, just the CRT but most of the later sets like yours has a bleeder in it that it won't hold a charge very long after set is turned off. Still a good idea to short the anode to ground of you are around it.
__________________
julian
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