Zenith 18CC30 no longer regulating

[zeno]

Originally Posted by old_coot88

Maybe some of the resident gurus could post a brief synopsis on how the feedback/pulse regulator system works. Design aim musta been to eliminate the inefficiency of shunt-regulating the HV itself. Since Zenith wasn't our house brand, we never got much into the details and minutiae of their HV system.

Love to see that. In the olden days I could just call Zenith or the local
Zenith service rep. May help on the problem too. Just never needed to learn it at the time. The regs were quite reliable & usually just the tube.


Zeno

[old_coot88]

Originally Posted by zeno

The regs were quite reliable & usually just the tube.

Yep, always. Set would present with out-of-focus, shrunken raster, and it was always the reg tube (with matching damper when indicated).