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

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DuMont 304H oscillograph

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01-24-2011, 12:34 AM

jr_tech

VideoKarma Member

Join Date: Sep 2009

Posts: 4,573

"I will remove the focus and intensity pots and isolate them from the chassis then I will see if the problem is fixed."

Be VERY careful with those floating pots... The primitive HV supply of these old scopes can easily deliver a LETHAL SHOCK!

If the pot is leaky or arcs over you would NOT want to be touching it!
jr

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