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So I had it backwards in terms of what happens. The relay delay is for the rest of the TV to warm up before they get slammed with B+ from the 5U4s.
Exactly. That's its primary function. Less high-end designs didn't use it by designing-in enough 'headroom' that the surge doesn't overvolt the filter caps' rating.
04-01-2024, 10:29 AM
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