i phone 13pr omax 故障：白苹果重启

型号：i phone 13pr omax

故障：白苹果重启

故障点：距离传感器进水腐蚀导致影响到i 2c总线导致重启

情况描述：同行拿来一台i phone13pr oMax 开机恢复模式

维修过程：点退出恢复模式白苹果重启，拆机检测发现下面支架开胶，紫光灯一照发现更换过外屏，

使用p13读手机的i boot 开机日志，小心翼翼拆下屏，屏幕支架完全没打胶，抠掉感应排线，手机成功开

机

维修结果：已修复

Model : i Phone 13 Pr omax

Faul t : Whi t e Appl e Res t ar t

Faul t poi nt : Cor r os i on Faul t poi nt : Cor r os i on of t he di s t anc of t he di s t anc e s ens or caus ed e s ens or caus ed by wat er i ngr es s , af f ect i ng by wat er i ngr es s , af f ect i ng t he i 2c bus and

t he i 2c bus and

l eadi ng t o r es t ar t

Si t uat i on des cr i pt i on: A c ol l eague br ought an i Phone 13 Pr o Max wi t h boot r ecover y mode

Repai Repai r pr r pr oces oces s : Cl s : Cl i c i c k t k t o ex o ex i t t i t t he he r ec r ec ov ov er er y mode y mode and and r es r es t ar t ar t t t t he he whi whi t e t e appl appl e. Af e. Af t er di t er di s mant s mant and t es t i ng, i t was f ound t hat t he l ower br ac ket had cr acked. When t he pur pl e l i ght s hone, i t

was di s cov er ed t hat t he ext er nal s c r een had been r epl aced. Us e P13 t o r ead t he i Boot s t ar l og of t he phone and car ef ul l y r emov e t he s c r een. The s cr een br acket was not gl ued at al l i l i ng

t up

l , and

t he i nduc t i on c abl e was r emov ed. The phone was s uc c es s f ul l y t ur ned on

Repai r r es ul t : Fi xed

据了解直接看代码并看不了什么，代码判断故障还是需要做故障记录故障代码，或者记录维修好的机

器把故障代码收集起来，根据收集的代码来判断故障原因

注：如果没有p13，使用dc s d 工程线也是可以读取i boot 开机日志的