iPhone mobile phone has no sound or vibration. Measurement shows that the signal Short circuit in the figure is directly connected to power amplifier chip of speaker, and the fault is repaired after replacement.
The iPhone 6 plus cannot be turned on because of water. Clean the corrosive components and replace the display base. The power on is normal.
The iPhone6 Plus screen does not display, the detection is found to be inductively broken, and then replace the chip again, power-on troubleshooting.
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.
iPhone6 Plus expansion causes the brush to fail, replace the new hard drive, replenish the capacitance around the hard disk, repair and repair.
iPhone 6 screen failure, black Touch to touch the IC weld dot soldering, the flying line is normal.
iPhone X screen shows Blurred screen. It is found that one VCC Inductor of GPU is completely different from the other one. It is determined that this Inductor is not original. After replacing the original Inductor, the fault is repaired.
iPhone 8P card or not is no serviecs,GPS and WiFi signals are weak,earpiece sound is very low and so on.
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.