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I can't recall the chassis number but I have a couple of those.
They use a HUGE power transformer (the type that regulate the line voltage), has 3 large PCB's (IF,video,sweep iirc) a fly with a tripler. They make very good daily drivers, only issue is the little pins that the PCBs attach too tend to break off the plastic rails, causing some problems. I had one pop a breaker, it was a shorted big motor run type oil filled cap (4uf 350v IIRC) I understand it was part of the regulation of the B+. a bad cap and vert out (prob bad cap then vert out transistor was smoked). Had some ghost that had to do with poor grounding of the IF PCB.
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