There are generally the following ways to find PCB faults:   ①Measurement Voltage Method   The first thing to confirm is whether the voltage of the […]

The main reason for short circuit of PCB is that the film line is scratched or there is garbage on the coated screen, and the coated […]

The purpose of electrogalvanizing is to prevent steel objects of PCB board from being corroded, improve the corrosion resistance and service life of steel, and at […]

Any trace on the PCB will cause a time delay to the signal when it passes a high-frequency signal. The main function of the serpentine trace […]