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I have never measured a 70 year old carbon comp and had it low. They always are at least a bit over value. I assume that the high voltage had something to do with it going down in value, and if so, it will only get worse. I can't think of a good reason not to replace it considering the whole HV cage and rectifier assembly were already apart.
Anyway, I have a raster on this set now. Someone put a 10 watt resistor in series with the factory 6K resistor across the damper tube. The added resistor was open and I can't read the value on it as the print is gone. Any clue why someone would want to increase that value across the damper? Changing this resistor value would probably effect the linearity. It is R118 on the schematic. I just eliminated it and it now matches the schematic. Just scratching my head as to why....I guess I will find out if there are linearity problems someone was trying to fix when I get to that point.
Last edited by Polaraligned; 03-20-2022 at 08:22 PM.
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