型号：iPhone 12
故障：不开机

检测：顾客描述用着用着突然不开机，插充电器 充电电流0.002 /0.005A 跳变，判断主板短路了

维修过程：拆机上电夹电打表，主板分层后在热成像下发现这颗电容发热
维修结果：修复成功

案例来自精诚图纸用户：@油菜花


Model: iPhone 12


Fault: Not turning on
Detection: The customer described that the power suddenly did not turn on while using it, and the charging current jumped by 0.002/0.005A when inserting the
charger, indicati
ng that the motherboard was short circuited


Repair process: Disassemble the machine, install the power clip, and use the meter. After the motherboard was layered, it was discovered under thermal imaging that
this capacitor was heating up
Repair result:Successfulrepair
Case from Jingcheng Drawing User: @ Rapeseed Flower