tony sayer wrote:
In my earliest work days I designed colour TVs. We had an X-Ray
detector permanently covering the bench, because if the line output
valve got a few too many volts, and a bit too much current, its anode
would start to glow red, and X-Rays would come flooding out.


Wasn't that the shunt stabiliser that did that?.

Hence the metal can in some sets?..


Yep, like the PD500, but that would normally be running a bit higher
than 1kv AFAIK.

--
Nick