Bob Larter wrote:
Sylvia Else wrote:

Accumulated dust &/or smoke on the EHT circuitry & the back of the CRT.
Take the back off the TV & see if you can see any arcing.


I would. It most likely needs nothing more than cleaning out all the gunk.


It's been a long time since I fixed my CRT TVs. But, wasn't it that the picture
expanded when the HV briefly collapsed when arcing? I can't see this happening
in the video.

Tony