ASUS U4000U notebook no booting, oscillograph to measure waveform, quickly locate fault.
Apple MacBook Pro A1990 notebook water damage no booting,water damage machines focus on checking here.
Mate 10 mobile phone Won't Turn On, measuring power chip output main VCC Short circuit,The rosin smoke method power on,Capacitor high temperature Colophony (Solder)melt, remove and troubleshoot.
Apple MacBook Pro A1706 notebook no booting does not charge, and the Previously repaired machine problem originally lies here.
iPhone 6 plus cannot be turned on. It is found that the phone cannot be turned on due to WiFi damage.
Apple MacBook Air a2159 notebook can not be turned on. It is determined that the CPU is burned out. After replacement, the fault is repaired.
Huawei Honor 30 Pro mobile phone Won't Turn On, check the peripheral components of the power chip, and found that the 0.75V and 0.8V of the CPU VCC Inductor is loose, after Repeat welding, the fault is repaired.
iPhone X no booting, this fault is Won't Turn On caused by the main VCC filter Capacitor shorted to ground on the motherboard.
The screen of Huawei Nova 4 mobile phone is not displayed. Looking at Boardview, we find that these two lines are connected to the CPU, which can only be repaired if the CPU connecting wires are removed.
iPhone mobile phone can't be activated. According to Xinzhizao Soft, it is concluded that the middle pad break off can't be activated, and the fault can be repaired after direct repair.