Quote:
Originally Posted by JohnCT
...you should get a soft arc from the cap of the HV rectifier tube to the screwdriver.
If you see the arc, move to the anode connection on the picture tube and see if you have it there. If not, the HV rectifier tube or doorknob cap might be bad.
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Small quibble, but you won't get that 'air arc' from the CRT anode like you do from the 1B3 cap, since the CRT anode voltage is DC. The 'air arc' is from high level RF ('fly-back') spikes from the flyback.