Quote:
Originally Posted by jr_tech
I would check voltages at the base of the crt, cathode, grid 1 and grid 2 and compare to values on the sams schematic.
jr
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+1 grid and cathode voltage are probably the most important followed by G2.
If the chassis is biasing it hard into cutoff you could stick a straight gun aluminized tube in there and it'd still be dark.