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![]() "Eisboch" wrote in message ... "D.Duck" wrote in message ... This biggest single contributor to the horizontal scanning frequency noise came for a poorly constructed flyback transformer. Flashback memory time. I don't know *how* many TV sets, mine and friends, that I kept alive for a while longer by painting the flyback transformer with that red, high voltage "Klyptol" stuff. It usually stopped the hissing and squealing for a while but eventually the transformer would carbon track to ground. I also would *like* to forget how many of those TV sets threw me on my rear because the high voltage section wasn't discharged. When you think about it, all this new, low voltage computerized stuff is kinda boring. No challenge at all. Eisboch In deflection circuits I designed the FBT had a bleeder resistor, to improve regulation and discharge the CRT. |
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