iPhone X after heavy fall Won’t Turn On for repair

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.

Machine model: iPhone X
Fault symptom:Fall hard mobile phone Won’t Turn On
Maintenance process: disassemble the machine, power on and see the current.

iPhone X after heavy fall Won’t Turn On for repair Figure 1.

Power on short-circuit current OverLoad,separate AP part has pad break off, and fix Short circuit first. Smoked the whole board with Colophony (Solder).

iPhone X after heavy fall Won’t Turn On for repair figure 2.

The main VCC filter Capacitor is deducted directly,Connect the power supply is not Short circuit, and several useful points where pad break off is dropped are repaired for welding.