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Addr: Jinxin maintenance, no.1-191, Wanshang international computer digital port, Chengguan District, Lanzhou City, Gansu Province
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Your Current Location:Home > Case > Hardware maintenance > 联想Y7000P 2020H不开机维修
Case Name:联想Y7000P 2020H不开机维修
Case Detailed:

机器型号:联想Y7000P 2020H

故障信息:不开机,按开机键没有反应

维修过程:接到机器通过电流表检测待机电流偏大,拆机后发现桥芯片温度过高,明显发烫,测试USB接口已经短路,此时可以判断桥芯片损坏

主板正面照片

桥芯片特照,桥芯片型号为:SRJAU

主板背面照片

BGA返修台取桥芯片照片

取下桥芯片照片,由于芯片焊接被灌胶,取芯片难度过大,取下后样子也不太美观

清除灌胶,处理干净焊点后

机器成功修复,开机靓照

机器配置为:I7-10875H处理器、32G内存、512G固态+512G固态、2060独立显卡

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Addr:Jinxin maintenance, no.1-191, Wanshang international computer digital port, Chengguan District, Lanzhou City, Gansu Province  Tel:0931-8699388    
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