eagle1109
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Switching supplies in TV's often go into a hick-up mode for protection if there is an excessive load due to a fault somewhere.
In line with post #2, hiccup mode is liable to drop the frequency down into a slower range, which could explain audible noises coming from the inductor.
Is the earth on the CRT, is could be a corona discharge due to leakge somewhere.
Frank
Does the screen have pronounced trapezoidal shaped jagged edges if visible? If it's fairly loud 60hz buzzing then could be open mains filter capacitor usually large black one like 200mfd 250V
I mean D839 which I replaced multiple times.
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