For the maintenance steps of switching power supply failure, prepare a simple test socket with protection to prevent circuit fire caused by switch tube breakdown and quickly determine the fault range. For details, please refer to the quick repair steps for common faults of switching power supply in this article.
Switching power supply fault judgment preparation tool
1. Preparing tools
Prepare a simple test socket with protection, as shown in the figure below. Its function is to prevent the circuit fire caused by the breakdown of the switch tube and quickly determine the fault range.
