Bear kids run into trouble, Black Shark 3 play until the boot! Rule out here, one move seconds to repair
The mobile phone is disassembled, connected to the repair machine power cord, the current is circulating around 200mA, the display screen is not displayed, the data is plugged into the computer, the computer is unresponsive, indicating that the CPU of the mobile phone has not yet started to work.
After adding the power supply chip, the fault is still the same, reinstall the CPU, and eliminate the CPU virtual welding; Heat with a rotating air gun, remove the staging and CPU. Process the motherboard pad, plant tin to the CPU and the scratch, and then install the CPU back into the CPU and the scratch. Connect the power cord of the machine, and the boot current will jump to more than 1A normally. The motherboard is installed in the machine, and the normal fault repair of the boot test is completed.
#Phone Repair ##Xiaomi##Black Shark##不开机 #
