tag:blogger.com,1999:blog-5207478154121500779.post3128485264809733105..comments2024-03-12T19:20:15.491+08:00Comments on ElectronMania 玩電子 @Taiwan: 探究 CQ43筆電 USB port 故障的原因Unknownnoreply@blogger.comBlogger2125tag:blogger.com,1999:blog-5207478154121500779.post-5037338112038874892019-09-23T16:40:20.996+08:002019-09-23T16:40:20.996+08:00感謝提點。已依提點修復成功了。謝謝。
感謝提點。已依提點修復成功了。謝謝。<br /><br />ElectronManiahttps://www.blogger.com/profile/08106659827158230160noreply@blogger.comtag:blogger.com,1999:blog-5207478154121500779.post-89099554322612045602019-09-21T23:17:27.516+08:002019-09-21T23:17:27.516+08:00LB2002是個濾波元件 common mode choke,防治EMI的;
如果沒有 EMI 問題...LB2002是個濾波元件 common mode choke,防治EMI的;<br />如果沒有 EMI 問題,就改成兩顆 0歐姆電阻 RB2003&RB2004 節省成本,<br />這在生產物料管控很常見<br />Anonymousnoreply@blogger.com