Quote:
Originally Posted by Tom9589
Could R134, the voltage dependent resistor, be causing the trouble? It could affect the grid bias on the shunt regulator and hence the HV to the CRT.
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that VDR is not in the CTC-15/GE clone, i only used the 16 as reference in relation to the way they power the cathode of the shunt regulator.
this is the 15/ge
https://i.imgur.com/ODgSryy.jpg
as i said, I'm replacing the 1k on the cathode and the 2 "matched" 1.5m with 1%