Tag HUAWEI P20

The charging of Huawei P20 mobile phone is abnormal, indicating that charging is not allowed for repair In this case, the voltage output of capacitor c1610 in the measurement schematic diagram is abnormal, so coil L1600 should be excluded first, and…

HUAWEI P20 can't be turned on. Remove the short-circuit capacitor and repair the fault.

Huawei P20 can't start the machine. After dismantling it, it was found that a charging tube was burnt out. After dismantling it, it was replaced with a new charging tube, and the fault was repaired.