Discharging a VT100 CRT

[Tony Duell]

> 
> Yes, I'm in IL.  Are you a business?
> 
> I probably need a VT100 power supply, as I found out it wasn't just the
> flyback that blew.

The PSU rarely fails, and if it does, it's one of the nicest SMPSUs to 
repair since all the control circuitry is on the 'isolated side', the 
drive to the chopper transistor being transformer coupled.

Very often one of the diodes on the vidoe board fails -- one of the 
diodes that rectifies the output from the flyback transformer to produce 
the CRT voltages. This is often the reason that the flyback fails in the 
first place. I would look at those first.

-tony