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Old 04-16-2019, 01:45 PM
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wa2ise wa2ise is offline
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Join Date: Dec 2002
Location: USA
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One thing they did in more modern solid state CRT TVs was to use a few turns of wire wrapped around the flyback transformer ferrite core to run the CRT heater. The pulses of the flyback transformer are of course synchronized with the video picture, so interference from it may not be objectionable.
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