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Old 12-24-2016, 10:03 PM
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Penthode Penthode is offline
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Join Date: Jun 2009
Location: Kitchener/Waterloo Ontario Canada
Posts: 1,059
The intermittent picture expansion would result from the HV dropping. It appears that the high voltage regulation is bad due to the insulation breaking down.

I would also suggest paying close scrutiny to the HV capacitors. I had the same intermittent problem because the 500mmfd HV cap was breaking down.
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