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TSW1400接错电源还能修吗



用TSW1400的时候不小心把+5V电源接成±5V了,然后板子电源那一块附近就冒烟了,赶紧拔掉电源,再通电灯已经不亮了,风扇也不转了,请问板子还能修复吗?要怎么修复?