Quote:
Originally Posted by bgadow
I was once given a rather large (27" or larger) new crt that was NOS but with a bad scratch on the face. It proved no good to me, except that inside were the official instructions from RCA for how to kill the vacuum in the dud-the old ice pick in the anode button method. I have used this ever since, with no problems. It takes only a few very gentle taps.
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Sounds frightening! If somehow the glass fails before you get that hole in the anode through, ka-
BOOOM!
Especially on a large B&W tube...
I have always whacked the neck, and done so with glasses on and my chin tucked in my chest (no neck exposure) in case of a fluke accident.
Charles