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So after removing the chassis to inspect the wiring, and poking around a bit, then re-seating socketed transistors in the video section, the problem magically went away. I let it run for a while, and the interference which preceded the problem popped in and out a couple of times.
I am now suspecting either a bad solder, or perhaps a shorted wire or component lead. I will let it run longer, and see if I can narrow it down more... I think the issue is somewhere in the video amplifier.
Thank goodness I didnt begin this work with a bulk recap!
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06-28-2019, 08:05 AM
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