Dell 3421 notebook screen is dark and the backlight is not bright, which is caused by small components.
Huawei Honor 10 Youth Edition front Camera can't be used. Redo the CPU, and then repair the fault.
iPhone 7 screen does not display, FL3906 is damaged,Jump wire is directly connected, and the fault is repaired.
Huawei Mate 30 mobile phone Won't Turn On, the power chip does not work properly, after the chip is Repeat welding, the fault is repaired.
iPhone 12pro Max mobile phone can not be called out. It is detected that there is solder joint falling off on the main board. After repairing,welding is applied to the upper and lower layers, and the fault is repaired.
Lenovo Xiaoxin air 14ikbr notebook screen is dark, replace Q1 MOSFET and Fuse, the display is normal.
Apple A1466 notebook Won't Turn On, detection found that the pin of the chip burned out, and the chip burned out pin to make up for it, and the BIOS was successfully repaired after booting slowly.
HP G6 notebook no booting, running line measurement Measuring diode value to find the culprit,Jump wire perfect repair.
Huawei's nova4e mobile phone has no signal. After cleaning corrode circuit,Repeat welding corrode serious components are combined with Repeat welding chip, installed for testing and fault repair.
DELL Vostro 5470 laptop no booting doesn't charge, so this is the problem.
