1,在C14有4V左右电压(电池电压); j- O, v$ {; P% c1 d: N; j) S, \ ' E* M* h/ A1 D! T# R3 L6 M3 |+ S# a2,在R8,R19测有1.8V左右电压,R8,R19丢失无WIFI(可以短接,如果短接后无1.8V,从装电源U48) / v, ...
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