B 超机各部分电路板检查

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                    <p><span style="FONT-FAMILY: 宋体 tahoma; COLOR: rgb(106,106,106); FONT-SIZE: 11pt">1.</span><span style="FONT-FAMILY: 宋体 tahoma; COLOR: rgb(106,106,106); FONT-SIZE: 11pt">首先要仔细观察电路板上的各种元器件有无异常，如烧坏、断裂、变形等。</span><br  /><span style="FONT-FAMILY: 宋体 tahoma; COLOR: rgb(106,106,106); FONT-SIZE: 11pt">2.</span><span style="FONT-FAMILY: 宋体 tahoma; COLOR: rgb(106,106,106); FONT-SIZE: 11pt">观察电路板上所有的焊点情况，有无开焊、断裂、印刷线路烧断、腐蚀或受潮现象。</span><br  /><span style="FONT-FAMILY: 宋体 tahoma; COLOR: rgb(106,106,106); FONT-SIZE: 11pt">3.</span><span style="FONT-FAMILY: 宋体 tahoma; COLOR: rgb(106,106,106); FONT-SIZE: 11pt">检查电缆线及连接插头插座，是否有断路、短路现象，接触是否良好。</span><br  /><span style="FONT-FAMILY: 宋体 tahoma; COLOR: rgb(106,106,106); FONT-SIZE: 11pt">4.</span><span style="FONT-FAMILY: 宋体 tahoma; COLOR: rgb(106,106,106); FONT-SIZE: 11pt">当上述这些方面全部检查后，再去根据故障现象判断和查找相应的电路部分。</span></p><p><br  /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-family: Arial, Verdana, sans-serif; font-size: 14px; line-height: 24px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(249, 249, 249);">广州市设备维修有限公司</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">地址：广州市天河区银利街银利茶叶博览中心E栋4楼E4030室 &nbsp; &nbsp; &nbsp; 邮编：510507</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">电话：(+86)020-8722 8723 &nbsp; &nbsp;8764 5360 &nbsp; &nbsp;8764 2943 &nbsp; &nbsp; 传真：020-8722 8623</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">全国统一免费服务热线：400-020-6788</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">微信公众帐号：</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><img data-ratio="1" data-type="jpeg" data-w="120" width="auto" src="http://mmbiz.qpic.cn/mmbiz/dx3KibwtDhvfCZvZq5PcthnDKlnnq3AalhbichW77J3B70osicTickklZybNKUZqc44DZ0oaWaHm2p0TaA9478icwPg/640?wx_fmt=jpeg" style="box-sizing: border-box !important; word-wrap: break-word !important; width: auto !important; visibility: visible !important;"  /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">维修咨询：QQ: &nbsp;712638 404</span></p><p style="max-width: 100%; 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