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HUAWEI P30 restarts from time to time
Machine model: HUAWEI P30
Fault phenomenon: HUAWEI P30 will restart from time to time after entering the system.
HUAWEI P30 restarts from time to time Figure 1.
Maintenance process: after receiving the mobile phone test, boot into the system, more than 10 minutes after the phone itself restart.It is speculated that there is Inveracious Soldering in the mobile phone, and Inveracious Soldering will appear after the temperature of the mobile phone is increased. The common fault points are the problems of power chip and CPU.
According to the order from easy to difficult, the power supply chip Reballing, the fault is still the same.After eliminating the possibility caused by Inveracious Soldering power supply chip, the CPU is directly removed and the main board PAD is handled. After the tin is planted on the CPU, the CPU and the upper layer are directly soldered back to the motherboard.
HUAWEI P30 restarts from time to time Figure 2.
The power line of the repair machine was started and tested, the current was normal,current of change, and the fault was repaired.
HUAWEI P30 restarts from time to time Figure 3.
