Quote:
Originally Posted by Notimetolooz
The restore function on any CRT tester is a last resort, they were included in the testers back when new CRTs were relatively expensive (compared to the cost of other parts) but CRTs were available.
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Exactly!
There are a lot of FB guys who buy a rejuvenator and "clean" their CRTs like it's an oil change or something. I guess a new toy must be used..
There's only a finite amount of cathode material in a picture tube, and anything you do to "clean" or rejuventate it takes its toll on it.
I've rejuved probably a thousand tubes over the years using every machine ever built (I've had them all), and it's always been hit or miss, and it's always been to forestall either installing a new tube or buying a new TV.
Last resort is excellent advice!
My favorite is the B&K467 with a Sencore type heater bypass mod I do to them (keeps the heater on during clean/rejuv while I manually adjust the heater control).
John