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.
One plus 7 Won't Turn On,Inductor burned a hole, replaced three small components, and turned on normally.
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.
Huawei Nova5i will not be able to boot, connected to the electric current, and the soleno fragrance finds the faulty component, and the replacement capacitor is turned on normally.
Apple MacBook Pro A2251 notebook can sometimes be turned on, sometimes Won't Turn On, oscilloscope measures waveform to find the fault point, and after replacing components and Jump wire, the notebook can be turned on normally.
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.
iPhone 12 PRO MAX boot Blurred screen Restart repeatedly, after replacing 256G Nand, boot is normal.
