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#17
05-09-2013, 01:14 AM
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These sets have no protection circuits to shut them down.
I suspect that tube socket is shot.RCA used some very cheap sockets. You could have an hk short in pix. tube. Check your voltages from video amp to brightness control, and, with socket removed, voltages on cathode, and, first grid pins. See if brightness control varies the B+at that pin. You should see variation. If the picture tube is bad, the good news is they are fairly common. Bill Cahill 5TP4
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