商用电磁炉常见故障及其维修方案 - 厨具资讯 - 厨具网

　　黑笔接三端稳压器7805散热背板《直流源参在地》红笔接二极管D13地位在7805中间》负极，正常时应大于10v.红笔接二极管D16正极，正常时应有5v,三端稳压器7815编号u2.地位在靠在上角螺丝孔》不良用万用表直流电压档。若5v负载短路或负载过重也会造成稳压不良，罕见+5v短路是由于集成电路"F"粉碎惹起》f电阻器R251欧姆，地位在前7805中间》不良3.主《kaojinqiweipaixianchazuodeyikuai20jiaoxinpian》buliang，jiqisuodiannaobiduanweixiudaquanyougongnengyouzhuxinpiankongzhi4.dianrongqic8310pfc8410pfbuliang，lianggedianrongqihuai》kaojinzhuxinpianhuo8mjingzhen《bianhaoxl,weizhikaojinzhuxinpian》buliang5.zhubanjichengdianlu"a"fensuihuobuliangjianggongdianladiyinqi5vdianyuanjidi

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　　souchasangedianyuan(dianyuanxianduanziyouwusanxiangjiaoliu380vgexia》gongdianxianluchengji。

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