iPhone 7 Update System reported an error 9, which was found to be caused by the damage of logic EEPROM after detection, and the fault was repaired after replacement.
Lenovo V470 laptop Won't Turn On, after detection found that q2802 is bad, causing ecrst and 3V_5V_EN is abnormal, and the fault is repaired after replacement.
Samsung A9s Camera doesn't work, WeChat can't scan code,Inveracious Soldering,Repeat welding Q4 power-on test is normal after dropping.
iPhone6 Plus phone card white apple, fault repair after replacing USB chip and battery.
The screen is black or frozen of Lenovo G410 laptop does not display when it is turned on, and the fault is repaired after replacing PU501.
iPhone7 Won't Turn On, after replacing the USB chip, is turned on and enters the system normally.Keep data is successful.
Colorful GTX1050 graphics card sometimes displays when it is turned on, and sometimes it doesn't display. The measurement found that Q584 was damaged, and the display was normal after replacement.
The main board of Gigabyte H61m-DS2 was started with auto power off, the waveform was measured by oscilloscope, the fault point was found, and it was successfully repaired after replacement.
Huawei Honor v10 Won't Turn On,Jump wire Dafa perfect repair.