Quote:
Originally Posted by tvcollector
I did the cut off test and emissions test again last night about an hour after the first tests, with out any attempt to rejuv, while doing the cut off and emission tests again the tube went completely out and the Sencore stopped making the whistle sound of it firing up the tube. So my guess is the tube was either very week to begin with or one or more connections behind the pins are loose or not making anykind of contact, so basically i have nothing to loose with the tube now..
So now i have two choices.. Attempt to fix this one or buy a good one, and just have My friend restore the TV with a good tube that i would purchase..
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Whistle sound? That's not good. Perhaps the CRT is gassy and the noise is from a discharge. Or, the Sencore is faulty, or you had it hooked up wrong. Or there were still some shorted leads because of the twisted cap.
My CR-70 has never whistled.
John