Six Rework and Repair Skills for Bad SMT
Usually, after reflow soldering, the yield rate of PCB cannot reach 100%, and some defects will appear more or less. Among these defects, some are surface defects, which only affect the surface appearance of solder joints, but do not affect the function and life of the product. However, some defects will seriously affect the function and life of the product, such as: misalignment, bridge connection, etc. Such defects must be reworked and repaired. Do you know any skills for reworking and repairing bad SMT? 1. Manual rework and repair and soldering should follow the principle of SMT components first small and then large, first low and then high. First solder chip resistors, chip capacitors, transistors, then solder small IC devices, large IC devices, and finally solder plug-ins. 2. When soldering chip components, the width of the soldering bit should be consistent with the width of the components. If it is too small, it will not be easy to...