Meck XB-702 restoration - Videokarma.org TV - Video - Vintage Television & Radio Forums

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Meck XB-702 restoration

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#11

02-14-2022, 12:50 PM

Electronic M Electronic M is offline

M is for Memory

Join Date: Jan 2011

Location: Pewaukee/Delafield Wi

Posts: 15,470

It's possible the issue is a H-K short or bad H-K hum coupling in sweep or sync tube(s)...If a cathode voltage is hum modulated it would be harder to change it with B+ filtering than B+ hum.

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