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#1
01-29-2021, 04:25 PM
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90 VAC is probably the average for all sets Over all condition of
the PS/hoz / HV / CRT will have a great effect. On newer SS sets you may not be able to start the set due to the start circuitry. In that case after a successful start you can turn things down to about 90V. Zenith CC2 sets I have run down under 90V & still had a very watchable pix but unstable ( breathing etc). 73 Zeno  LFOD ! 
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#2
02-02-2021, 04:07 PM
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I never use a variac. I never plug a set in that is more than 50 years old until it has a full check with chassis out. My CTC5 had a thorough vetting first.
I will alway check and reform or replace the electrolytics and change initially the obvious papercaps that will be stressed with a high DC. It's not worth it. Last edited by Penthode; 02-02-2021 at 09:33 PM.
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