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Ever had a set where the horizontal sweep circuit was dead?...If you did you could connect the Plate drive from the B&K to the flyback instead of the plate of the sets H output tube...If the screen lights up it clears the flyback and all downstream, if not it tells you to check downstream and temporarily ignore the osc. and output stages. Effectively showing you whether half the horizontal system is working or not.
Same goes for the vert plate drive.
The grid drive can be used to check the output stage if you know the flyback/sweep transformer is good, and think the osc. is working (less useful than plate drive IMO, but if you have a tough problem it may help).
Might help you to look for some period TV service literature and or a block diagram of a TV that explains the operation in detail if some of this does not make sense.
IIRC the instruction manual for the analyst is available free online. That may sell you on it better than I can...Provided you like reading a lot.
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