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Have you've checked the brightness control, and the 1M resistor coming off it's center tap? The brightness pot is fed by the same B+ on pin 6 of the 6AS5. The voltage on pin 2 of the CRT should vary from 72-180v(according to Sams) with rotation of that control. Make sure you don't accidentally measure the HV with your VOM.
Last edited by Kevin Kuehn; 11-23-2013 at 04:41 PM.
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