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#11

09-12-2022, 01:33 PM

Yamamaya42 Yamamaya42 is offline

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Join Date: Nov 2018

Location: Round Rock TX

Posts: 3,214

You will note that AGC keying has a link to horizontal pulses via C59, & link to video via r58, this is how it monitors video level and times ACG control for the tuner & IF gain, with no video, it has no control reference.

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