[i=s]This post was last edited by qwqwqw2088 on 2019-11-20 08:35[/i]According to the national standard management procedures, the mandatory national standard "Safety Technical Specifications for Elect
1. Detection of electrolytic capacitors 1. Use the multimeter R×1k range to detect when disconnected from the circuit. Before testing, touch the two pins of the electrolytic capacitor to discharge the
A few days ago, when I was browsing the Radio World website, I saw this circuit diagram. It is not designed according to the conventional method, so it looks very strange. It is also difficult to unde