Quote:
Originally Posted by TUD1
The tester doesn't read voltage on the scale. It just has that switch that you select your favorite voltage on. It looked like it was putting out more than 6.3 because my 21AUP4A was lit up like a light bulb.
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Even though, the tester is in like-new condition, the voltage control knob might have slipped on the shaft and someone might've just tightened the set screw.
This time, you'll have to check the voltages, using the B/W socket, pins 1&12. They should be just slightly higher, with no load.
BTW, the heater might be damaged in the 21AUP4, by someone that was careless with a rejuvenator. I ran into that a lot, years ago.
