Repairing a Printed Circuit Board or PCB requires board level diagnostics as well as component replacement skills. Without thorough knowledge of its components, diagnosing a problem with a circuit board can be a daunting task. In complicated circuits, one may need a good oscilloscope to probe signals at different points to find problems with circuit components. Once the problem component has been identified, it has to be replaced. In fact, the term “board-level repair” essentially means replacing malfunctioning components with good ones. Writer Bio
