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Huawei Nova5 can’t be charged and repaired
Machine model: Huawei Nova5
Malfunction: The mobile phone can’t be charged.
Maintenance process:
After receiving Huawei nova5, the customer described that the mobile phone could not be charged, and the charging did not respond.
Huawei Nova5 can’t be charged and repaired Figure 1.
It is invalid to replace the battery and charging connector small board first.
Remove the motherboard and observe that U3103 USB switch Switch is burnt through. The reason is that USB corrode Short circuit was burnt after charging with 10V 4A charger.
Huawei Nova5 can’t be charged and repaired Figure 2.
Huawei Nova5 can’t be charged and repaired Figure 3.
Huawei Nova5 can’t be charged and repaired Figure 4.
After replacing U3103, the charging is normal.
Huawei Nova5 can’t be charged and repaired Figure 5.
Huawei Nova5 can’t be charged and repaired Figure 6.
Note: This chip can be removed without installation, but it will cause the wired earphone to be unusable.
