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故障现象一：开机烧电源总保险Ｆ００１。故障分析：从被烧保险管发黑的程度上看是短路性故障，而该机采用的是开关电源。其短路性故障机率较高的部位有：①开关管损坏；②整流滤波电路有短路；③次级整流滤波电路有短路；④负载有短路。故障检查与排除：打开机壳找到ＰＯＷＥ?
Symptom 1: The boot power burns the total insurance F001. Failure Analysis: From the perspective of the degree of blackening of the burned insurance tube, it is a short-circuit fault, and the aircraft uses a switching power supply. The parts with higher probability of short-circuit faults are: 1 damage to the switch tube; 2 short circuit in the rectifier filter circuit; 3 short circuit in the secondary rectifier filter circuit; 4 short circuit in the load. Troubleshooting and troubleshooting: Open the case to find POWE?