Zenith Advanced System 3 picture tube testing - Videokarma.org TV - Video

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Zenith Advanced System 3 picture tube testing

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#11

12-30-2013, 12:08 PM

Kevin Kuehn Kevin Kuehn is offline

Workin' Late Again

Join Date: Jan 2011

Location: WI

Posts: 3,976

Pulled the PC boards out and was poking around looking for suspect capacitors. Just for the heck of it I checked the big transistor mounted on the heatsink next to the flyback transformer. Out of circuit it measures 53 ohms in both directions across the base-emitter. That can't be right, can it?

Last edited by Kevin Kuehn; 12-30-2013 at 12:37 PM.

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