| 取下电池。并在两只充电夹子间接40W/12V汽车灯泡。用万用表测量C11两端输出电压波动。用镊子将Q2c—e极短路，J1吸合。并发出哒哒声。特别刺耳。速测C3两端电压仅为200V左右，判断C3干涸，取下测量果然如此。更换后充电正常。 |
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