DuMont 304H oscillograph - Videokarma.org TV - Video - Vintage Television & Radio Forums

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DuMont 304H oscillograph

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#10

03-02-2011, 10:57 PM

John Folsom John Folsom is offline

VideoKarma Member

Join Date: May 2004

Location: Melbourne Florida

Posts: 932

Have you measured the focus voltage with no waveforem/focus good, 2 CRTs focus good, and 1 CRT waveform focus bad? This should give you a clue.

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John Folsom

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