How to Troubleshoot PCB Faults?
Common PCB failure problems can be divided into: poor PCB design, damage to electronic components, poor quality of components, short circuits, etc. Then, when the PCB fails, how to troubleshoot it? Common PCB faults are mainly concentrated on components such as capacitors, resistors, inductors, as well as integrated chips and crystal oscillators. To judge whether these components are faulty, we can observe them through eyes . If there are obvious burn marks on the surface of damaged electronic components, such faults can be solved by directly replacing the defective components with new ones. However, not all damage to electonic components can be observed with the naked eye. What should we do when the components are damaged and there are no visible burn masks on the surface ? We can use professional inspection tools for maintenance, such as multimeters, capacitance...