Sounds like the new tube did not get the new hv lead properly attached
and sealed to the tube and allowed to cure a minimum of 24 hours before
applying HV.

junglee wrote:
I agree with you that it looks like a shorted green CRT. But I just
bought a new CRT! Did I do something to short it? How can I test
for
this short?
Thanks for your help.

junglee