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It almost looks like a B+ filter cap is breaking down under voltage, like maybe a cap has been replaced with one having too low a voltage rating. The most likely suspect would be C4A, which should be 40 mf and rated at 450V. Does the C4 can show evidence of heating?
C4's been replaced with all new Nichicons. C4A is now 47 uF @ 450v. Don't see any signs of anything under there.....
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"Restoring a tube TV is like going to war. A color one is like a land war in Asia."
12-20-2015, 12:30 PM
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