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2011-4-16 09:43| 发布者: weixiu| 查看: 96| 评论: 0
更换R310:1W-330K±1%拨掉排线测量R300:1W-330K±1%;R305、R304:1W-240K±1%,更换不正常电阻,如无法测量则直接更换R300:1W-330K±1%;还不正常,则更换R304、R305:1W-240K±1%
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