Vcr Tv On-Off Control Circuit


Posted on Jul 18, 2012    11267

This circuit senses the video from the VCR. When the VCR is turned on, video signal is amplified by U3A and to drive Ql, activating Kl. In this manner, it is not necessary to turn on and off two video devices every time. In many cases, this avoids the use of a cable box,


Vcr Tv On-Off Control Circuit
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the cable-ready VCR performing this function.




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