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#11
09-03-2021, 09:29 PM
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For the very short duration that the damper heats up and gives power through the FBT to the plate cap, long enough to be measured is what I meant, there is really no risk to the screen grid or its resistor, it's not like you are going to leave it on any longer to take the voltage measurements after it first comes up, 30-50 seconds or so, I have done it many time, to confirm that power IS getting through the damper and FBT to the HOT OK.
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