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Old 04-11-2014, 03:57 AM
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Down Under Down Under is offline
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Join Date: Jul 2012
Location: Melbourne, Australia.
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Seeing the pictures of these obviously distressed flybacks raises a question: why do they do this?

Is it just poor circuit design, underrated windings for the job, or is there more stress when metal CRTs are involved? On a humid day, there are more likely to be losses due to coronas and arcing from the metal section of the CRT. Do flybacks in sets using all glass CRTs last any longer? This might seem very far-fetched, but would a liberal slathering of RTV133 on a metal CRT reduce stress on the flyback? Food for thought...

Cheers,

Adam
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