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#18

02-03-2026, 04:04 PM

old_tv_nut old_tv_nut is offline

See yourself on Color TV!

Join Date: Jul 2004

Location: Rancho Sahuarita

Posts: 7,771

By the way, why I asked if tube or solid state:
The Subcarrier Regen Module B+ pin says 12.36V (obviously way over-precise reading, suspect the nominal is 12V), and the Chroma Module B+ says 22.6V, high for an analog IC.

When I was developing analog ICs for TV video and chroma circuits Zenith had settled on 12V B+ for all analog ICs.

Do these modules have ICs or only discrete transistors?

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