iPhone XS Max did not make a call. It was found that it was caused by the main board pad break off. After the installation test, it was perfectly repaired.
Lenovo ideapad Y500 notebook computer often restarts, which is found to be caused by PCB circuit defect after detection, and the fault is repaired after Jump wire.
After the heavy fall of iPhone x, the mobile phone can not be turned on. After detection, it is found that it is caused by the damage of the main power supply filter capacitor. Deduct and make up the missing point, and repair the fault.
Lenovo E440 laptop Won't Turn On, after detection, found that it was caused by missing three resistors, and the fault was repaired after being repaired.
The iPhone 7 mobile phone can't open due to water, and the mainboard is seriously corroded. The customer needs information. After replacing the USB chip, the fault is repaired.
The ZX6-CT5DA notebook computer of ShenZhou ares of war could not be started. It was found that it was caused by memory damage after testing. The fault was repaired after replacement.
The iPhone X cannot be charged. It is found that the capacitor c3361 is damaged after detection. The fault is repaired after replacement.
Lenovo G400 notebook computer Won't Turn On, replace PR319, PC314,Short circuit JPWRB1 4, 8 pin, and repair the fault.
The screen display of iPhone 8 plus is abnormal. After detection, it is found that the r5730 resistor is burnt out. After replacement, the fault is repaired.
Lenovo B470 laptop screen flickered. After detection, it was found that the backlight on signal of screen line came from EC control. The master repaired it perfectly after changing the line.
