Huawei Nova5 Pro mobile phone no serviecs, replace the burnt Capacitor, and the signal filter chip can be used to make calls normally.
iPhone X Won't Turn On,Colophony (Solder)Dafa found a small Capacitor Short circuit next to the BOOST chip, and repaired it after unplugging the auto power off source.
iPhone WiFi can't be used. After measurement, it is found that the WiFi EN line from the power chip to the WiFi chip has been disconnected and Jump wire will be repaired later.
iPhone 6 Plus screen is black or frozen mobile phone turns on Plus, tests VCC to be normal at 1.78V, determines the disconnection, and goes directly from the test point Jump wire to C2# of PAD, which can display normally after the power-on test.
Mate 30 WiFi can't be turned on. The detection found that the wireless network can't be turned on because of the chip damage. Replace the chip, and the Internet is all right.
vivo X21i water damage mobile phone rear Camera screen is black or frozen, look for corrode area to clean and replace, and repair the fault.
Mobile phone water damage Won't Turn On, the measurement found that corrode on the side of USB chip was serious. Take down the USB chip, and replace the USB chip with the solder ball corrode under PAD.
iPhone promox flash can't be turned on. According to Boardview and schematic, the working conditions of the chip were measured. It was found that U6500 was damaged, and the fault was repaired after replacement.
The Previously repaired machine cannot be turned on. Remove the main power supply and find that the bottom pin Short bridge, and a point is dropped,Boardview sees the point leading to CLK, circle this point Jump wire,Solder Mask UV curable.
Huawei Mate 30 Pro has no signal. According to the drawing, it is found that it is sent by U1602, and directly input and output by short-circuit. Boot test, perfect repair.
