If not included home electronics, do not rush to carry the unit into the workshop — first is to test the functionality of the remote control (RCU). This can be done following simple way.
You need to take a modern digital camera (with plastic lenses) or a mobile phone with photofunia: the matrix is sensitive to the infrared radiation emitted by the led panel. Just take a picture of it at the moment of pressing any button of the remote control: if it is working, the picture is clearly visible, infrared, impulse.
Recommend to read
Lamp for soldering
In practice, the repair of radio equipment and the creation of amateur radio designs are cases when it is necessary to highlight the portion of the circuit Board (PCB) to pay an...
SNOWBOARD ON THE TRACK AND MOTOR
Has long been a regular reader and subscriber of the journal "modelist-Konstruktor". I want to share one interesting result of technical creativity. Sometimes people ask for a drawing...
