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#11
06-26-2025, 11:22 AM
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So, this wonky mica is C155, the coupling cap between V15b 2nd sync amp and V17b sync clipper, with a leveler in the middle, 120v dc potential across it, with a signal of about 90V P/P being passed.
http://suzaku.live-evil.org/magie-mica.jpg Seems that the part was so bad, that my digital M-tester could not ID what it was, too leaky i guess, but the LCR tester tested it 160pf, way over spec, I would dare say it had SMD, if these types of caps could even get that, which I don't believe they do. Which brings me to wondering how I ever got any H or V lock with a cap in there that far off spec, and wonder if there are any others in there which are as bad as that one.  I have not put in the new one yet, but did test it in the M-tester, 98pf and the LCR tester 100pf, I guess it's better calibrated, it DID cost x2 as much! 
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