Don't Replace Fuses Without Doing This Test !

In this video somene brought in an ALL IN ONE PORTABLE PA SYSTEM. Model EON one compact The customer brought in this unit with a broken power button, After replacing the power button this unit still failed to come on, and further examination it revealed that the 5 amp fuse on the power supply was blown. Location of the fuse was F101, and replacing it restored this unit to full functionality, and the power supply output voltage was 26 volts DC.