Vcr Tv On-Off Control Circuit

Posted on Jul 18, 2012

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
Click here to download the full size of the above Circuit.

the cable-ready VCR performing this function.

Leave Comment

characters left:

New Circuits



Popular Circuits

Pine Racecar Victory Judge
Audio Line Driver Circuit
Audio Mixer based JFET 2N3819
Simple Analog Multiplier Circuit Using LM107
Laser Controlled ONOFF Switch
Phenix G3/Chinese Earmax
High voltage stabilizing circuit diagram composed of optocouplers