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Originally Posted by Electronic M
I've been thinking about joining some facebook TV groups for the last couple of years, but this makes me wonder if it's worth it.
I will say this about recaping VS troubleshooting in tube gear. On stuff made after 1960 where most caps are film VS paper troubleshooting is the way to go, but older sets that are full of paper caps often have so many leaky caps (I've went through some sets with my Heathkit C3 and found %95 shorted or very leaky) that a recap is going to be a large part of your troubleshooting. When most of the caps are bad you can either get them swapped preemptively and troubleshoot the problems that remain, or watch things smoke during voltage checks. On those older sets if I want to check if they are worth the caps beforehand I ohm out the transformers and ring test the sweep transformer and yoke....Granted sets in really good condition I often skip that as bad transformers aren't common and a really nice example is worth finding a parts set if necessary.
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What we're talking about are 1980s and 1990s TVs. FB groups don't have sub groups like VK has, so one post will be about a '48 Dumont and the next might be a 2002 CTC195 RCA. Someone will ask a question about the CTC195 and get the "recap the chassis" answers. Sure, there are bad electros in later gear, but it's generally not a wholesale thing unless we're talking about Mitsubishi PIP or format boards, which we recapped 5 years after they were made (smd electros).
John