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iPhone 7 plus phone is not powered on for repair
Machine model: iPhone 7 Plus
Fault phenomenon: mobile phoneno booting
Maintenance process:
Customer Description:no booting after water damage.
short-circuit current ults:Won’t Turn On is powered on for 15mA.
Fault analysis:water damage damage of the machine, are due to the circuit and components corrode damage caused.The fault can be repaired by cleaning some circuits of corrode and replacing the damaged components.
After observation, it is found that the circuit corrode on the left side of WiFi chip is very serious.
iPhone 7 plus phone is not powered on for repair Figure 1.
After cleaning corrode part, it is found that the circuit wiring of the main board has been disconnected.
iPhone 7 plus phone is not powered on for repair Figure 2.
iPhone 7 plus phone is not powered on for repair Figure 3.
After repairing the damaged circuit, the fault is solved.
iPhone 7 plus phone is not powered on for repair Figure 4.
