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#35

11-07-2023, 11:54 AM

old_tv_nut old_tv_nut is offline

See yourself on Color TV!

Join Date: Jul 2004

Location: Rancho Sahuarita

Posts: 7,810

I found the basic patent with a schematic:
https://patents.google.com/patent/US4139861

The idea is to reduce the negative g1-cathode bias, increasing the current in the gun (but also ruining the lowlight tracking, which is then restored by adjusting the cutoff with the set's G2 controls).

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