Quote:
Originally Posted by timmy
With injecting video point b would the agc affect that video since it follows to the video amp.
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Yes and no.
If the video fed in was up to the level needed at that point, 5v ptp, it would start to fool the AGC into thinking that there is good video coming in and start to do it's thing, but since it is low at 1v, it is still like a weak/ no signal from the tuner.