1,先查开机键电路(点此进入开机键不灵的维修思路) 8 r3 c+ A3 s8 i; s 5 E3 F% {) p8 `7 Q2,测L2有4V左右电压(电池电压:L2丢失或损坏,按开机键无电流反应) ' E( v& m r' l8 @ 0 D6 P8 {- Z2 ...
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