Quote:
Originally Posted by old_coot88
We had a set in the shop once with a similar "breathing" problem, but it was in the heater string (it was a series set). The heater string was cycling on-off, on-off on a regular basis. Finally traced it to the CRT heater that was 'blinkering' just like a turn signal blinker (but at a slower rate). Never run into that problem before or since.
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Wow. Weird.
Along the same lines, I'd try replacing that rectifier. Very few open and I've never seen one do what this TV is doing, but I'm old enough to know I'll never see every possibility.
John