Lenovo E40 laptop Won't Turn On, remove a PU4 from Parts motherboard and replace it, brush a program, and repair the fault perfectly.
Huawei P30 Pro mobile phone Won't Turn On, after testing, was found to be caused by CPU aging, which could not be repaired.
iPhone 7' s mobile phone was continuously restarted after falling. After testing, it was found that Inductor Inveracious Soldering was the cause, and the fault was repaired after replacement.
iPhone7 short-circuit current Won't Turn On, smoked Colophony (Solder), found that it was Capacitor that caused the troubleshooting after deduction, and the screen was not bright during the installation test, and the test display was normal after changing the test screen.
Huawei Honor 9X Pro can't be charged. Referring to Xinzhizao Soft drawing, it is found that USB can't be detected after being plugged in, which leads to the inability to charge, the 1K resistor is added and the fault is repaired.
MacBook A1502 serious water damage boot sound no screen, master a line to solve directly.
Previously repaired ASUS x450v notebook computer headphone speaker does not sound, replace 5 chips tortuously.
The speaker of iPhone 12 Pro Max mobile phone has noise. After replacing the audio power amplifier chip, the fault is repaired.
iPhone 8 garbage plate bottom mobile phone has been no serviecs, after replacing RF, the fault is repaired.
