More on Melford DU1-12 monitors

[ppppenguin]

Nice idea but not a chance. The peak voltages on the other windings are quite small. 250V peak on the LOP collector, maybe 600V for the focus control.

I think we've got a number of other DU1 series monitors of various screen sizes knocking around so there's always a chance that one might have a duff CRT and become a LOPT donor. AFAIK the LOPT is identical for all screen sizes.

[Mike Watterson]

Well, the LOPT swap shows you've lots of good spare parts. It was originally for spares?

I've a feeling I once worked on or installed something similar to these. Maybe 1978. Maybe an earlier model?

[Murphyv310]

You will mess around with this solid state stuff. LOPT failure in valve stuff is very uncommon now isn't it?