K1开机显示不能充电.解决方案

boboren

普通会员
2007-12-22
59
0
0
一台进水的K1开机显示不能充电,然后关机.这个问题应该是充电电路上出现了问题.手机误把电池判断成充电器了.从图纸上看,充电器的检测信号在U900的C15脚,如果M1(Q905)或者D903坏了,电池电压就会通过电路传到U900的C15脚,这样手机就可能把电池判断为充电器了.打开U900屏蔽盖,测量D903没有问题,换一个M1(和V3-05等机器通用),开机试机,机器正常.
嘿嘿要求来个威望!
 

附件

525671620

普通会员
2006-08-06
380
0
0
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525671620

普通会员
2006-08-06
380
0
0
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