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iPhone 7 Plus has no vibration for repaired
Machine model: iPhone 7 Plus
Malfunction: The phone does not vibrate.
iPhone 7 Plus has no vibration for repaired Figure 1.
Fault analysis: The machine of water damage has no vibration. Give priority to water damage water damage, and pay more attention to water damage.
Maintenance process: test function, play bell with sound and no vibration. Disassemble the machine, and observe under microscope that there are traces of corrode at positions 20 and 22 pin of charging connector BTB connector J4101.
iPhone 7 Plus has no vibration for repaired Figure 2.
iPhone 7 Plus has no vibration for repaired Figure 3.
Scrape the place of corrode, and repair the tin and welding.
iPhone 7 Plus has no vibration for repaired Figure 4.
After installation test, the vibration of the mobile phone returns to normal, and the maintenance is over.
iPhone 7 Plus has no vibration for repaired Figure 5.
This fault is that water damage corrode causes no vibration of the mobile phone.
