After the iPhone7 is turned on, it enters the system screen and shows that the waves are moving. This machine is Previously repaired. After replacing the integrated Inductor, the screen display is normal.
The iPhone 7 mobile phone black screen has no response, and the detection shows that the power supply open foot resistance value is infinite, and the problem is repaired after the flying line.
iPhone 7 mobile phone After returning, the white apple is unlimited, replacing large radio frequency, CPU coil, fault repair.
no booting,The rosin smoke method were found after iPhone 7 fell, which was caused by Nand 3V filter Capacitor failure, which was repaired after replacement.
iPhone 7 Short circuit TC 19201,switch Won't Turn On caused large current,Nand, and the phone turned on normally.
The iPhone 7 mobile home button is broken, and it is detected that the U10 chip damage on the fingerprint key is caused, and the fault repair after simple processing.
iPhone 7 Nand Nand caused the mobile phone to fail to start, DFU mode,Open was replaced successfully and Keep data was repaired.
iPhone 7 can't be turned on, and the DC power supply is connected to large current. The detection found that large current was caused by the main VCC Capacitor Short circuit. Troubleshooting after replacement.
After iPhone 7 fell, the mobile phone could not be turned on, but it was repaired locally.switch RAM current, detected and found that the main VCC booster chip was broken, and it was better to repair the fault.
