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EV2400,USB接入电脑无反应问题,急救呀!

Other Parts Discussed in Thread: EV2400

应为没有订单号,所以现象坏了不知道怎么办。 现在就是接上 USB电脑无任何反应,盒子灯也没有一个亮起来的 ,现在在接上USB发现有个IC发烫厉害。