汕超Apogee3500彩超无法正常开机故障维修

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                    <p><strong style="white-space: normal;max-width: 100%;font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;font-size: 14px;letter-spacing: 1.5px;text-align: left;background-color: rgb(255, 255, 255);box-sizing: border-box !important;word-wrap: break-word !important;"><span style="max-width: 100%;font-size: 15px;color: rgb(127, 127, 127);box-sizing: border-box !important;word-wrap: break-word !important;"><img data-type="gif" class="__bg_gif" data-ratio="0.10555555555555556" data-w="720" src="http://mmbiz.qpic.cn/mmbiz/M2H0aGBjWUTRia7nqkArYeKZUqEfdmpNibMPiaZk4gvlWk5v5lUKyXhjJP4CENKQeQt5HI8zwcTCWJOkicfWJiatdJQ/640?wx_fmt=gif" style="font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quotingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;box-sizing: border-box !important;word-wrap: break-word !important;visibility: visible !important;width: auto !important;"  /></span></strong></p><p style="line-height: 130%;text-align: justify;"><strong><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;">机器类型：</span></strong><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;">彩色超声多普勒诊断仪</span></p><p style="line-height: 130%;text-align: justify;"><br  /></p><p style="line-height: 130%;text-align: justify;"><strong><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;">机器型号：</span></strong><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;">汕超Apogee3500</span></p><p style="line-height: 130%;text-align: justify;"><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;"><br  /></span></p><p style="line-height: 130%;text-align: justify;"><strong><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;">故障现象</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;">：</span></strong></p><p style="line-height: 130%;text-align: justify;"><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;"><br  /></span></p><p style="line-height: 130%;text-align: justify;"><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;"></span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;">机器开机动作后，机器自检，出现</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;">Failed DSP Memories Test无法通过自检，如下图一，并停在此画面，点击continue后，屏幕黑屏无显示，操作面板</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;">灯</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;">常亮，如下图二。</span></p><p style="line-height: 130%;text-align: justify;"><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;"><br  /></span></p><p style="text-align: center;"><img class="rich_pages" data-ratio="0.75" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_jpg/dx3KibwtDhvcuB5aBH8Sjmdp1qEMGeNaA9fUicYQ7CqbUDB61KicNGLz2VhRvDj2tQT0vMiarkRTls2X5sicMkD4XXw/640?wx_fmt=jpeg" data-type="jpeg" data-w="1280" style=""  /></p><p style="line-height: 130%;text-align: center;"><span style="font-family: 宋体;font-size: 14px;color: rgb(0, 0, 0);">图一</span><br  /></p><p style="line-height: 130%;text-align: center;"><span style="color: rgb(255, 0, 0);font-family: 宋体;font-size: 14px;"><br  /></span></p><p style="text-align: center;"><img class="rich_pages" data-ratio="1.7777777777777777" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_jpg/dx3KibwtDhvcuB5aBH8Sjmdp1qEMGeNaAOhTNnHjfbvGMOxW8nC3QiaInssEJno1jOvTbmDfiax5kHl2SJdHSdQ3w/640?wx_fmt=jpeg" data-type="jpeg" data-w="720" style=""  /></p><p style="line-height: 130%;text-align: center;"><span style="font-family: 宋体;font-size: 14px;text-indent: 8px;color: rgb(0, 0, 0);">图二</span><br  /></p><p style="line-height: 130%;text-align: left;"><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 8px;"><br  /></span></p><p style="line-height: 130%;text-align: justify;"><strong><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 8px;">故障分析与原因：</span></strong></p><p style="line-height: 130%;text-align: justify;"><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;"><br  /></span></p><p style="line-height: 130%;text-align: justify;"><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;">根据故障现象提示，数字信号处理存储器测试失败，由此可知是由于数字信号处理存储器自检不过所致，所对应的板件是</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;">MUS板，拆开机器，取出MUS板。</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;">经过检查测试，发现MUS板上的一个DC5V集</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;">成电源模块没有DC5V电压输出，找一个相同功率相似大小普通的DC5V电源模块换上测试，开机测试通过，机器可以正常开关机，第一天老化10小时后关机，检查发现机箱铁壳很热很烫手，再开机依然可以正常开关机。</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;">第二天开机测试，出现了相同故障，无法正常开机，拆开机器，取出MUS板，检查后，DC5V电源模块输出正常，没有坏，再进一步检查发现MUS板上的U24 芯片有虚焊现象，重新焊接后，装回机器，开机测试通过，机器可以正常开关机。</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;">基于初始故障和测试结果分析，出现这样的故障现象很可能是由于风扇性能下降导致机箱内部温度过高，而损坏元器件，而温度过高，待温度下降冷却后，板子变形，又会导致芯片虚焊。</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;">更换同型号风扇和同型号DC5V集成电源模块，再加装一个进风风扇以使散热加快，装好开机测试，测试通过，开关机正常，如下图三，每天开机老化10小时，连续观察两周，再无出现以上故障，科室签字确认，之后保修期内，机器使用一切正常。</span></p><p style="line-height: 130%;text-align: left;"><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;"><br  /></span></p><p style="text-align: center;"><img class="rich_pages" data-ratio="1.7645739910313902" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_jpg/dx3KibwtDhvcuB5aBH8Sjmdp1qEMGeNaA1BkarBvngo0CLqtG13HJchy6NX4fjwsbvAwdD93eiafOTkhWQ1ibfvGQ/640?wx_fmt=jpeg" data-type="jpeg" data-w="446" style=""  /></p><p style="line-height: 130%;text-align: center;"><span style="font-family: 宋体;font-size: 14px;text-align: justify;text-indent: 31px;color: rgb(0, 0, 0);">图三</span><br  /></p><p style="line-height: 130%;text-align: left;"><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;"><br  /></span></p><p style="line-height: 130%;text-align: justify;"><strong><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;">故障处理：</span></strong></p><p style="line-height: 130%;text-align: justify;"><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;"><br  /></span></p><p style="line-height: 130%;text-align: justify;"><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;">更换</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;">DC5V集成电源模块，更换散热风扇，加装进风风扇。</span><span style="color: rgb(0, 0, 0);font-family: 宋体;font-size: 14px;text-align: justify;">&nbsp; &nbsp;&nbsp;</span></p><p style="line-height: 130%;text-align: justify;"><br  /></p><p style="line-height: 130%;text-align: justify;"><strong><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;">维修总结：</span></strong><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;"></span></p><p style="line-height: 130%;text-align: justify;"><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;"><br  /></span></p><p style="line-height: 130%;text-align: justify;"><span style="font-family: 宋体;color: rgb(0, 0, 0);font-size: 14px;">在此故障的维修过程中，要熟悉机器的系统结构与系统功能原理，理性分析，更要善于观察，一个故障现象可能会由几种故障可能性造成，造成多种故障可能性的原因可能只有一个，认真分析每一种故障可能性，才能最终找到导致机器损坏的故障原因，从而排除故障。</span></p><p style="text-align: justify;"><strong style="white-space: normal;max-width: 100%;font-family: 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!important;word-wrap: break-word !important;">微信公众帐号：</span></p><p style="white-space: normal;max-width: 100%;min-height: 1em;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quotingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);font-size: 16px;text-align: left;box-sizing: border-box !important;word-wrap: break-word !important;"><img class="rich_pages" data-ratio="1" data-s="300,640" data-type="png" data-w="344" src="http://mmbiz.qpic.cn/mmbiz_png/dx3KibwtDhvcvQ5W66skZY3mYSqpoRYIMn3LOS0l9GkWVqSdiaw2RiclU8MiatfDmia3YvXxPRgDFiaZFibgUOEEfaYhA/640?wx_fmt=png" style="box-sizing: border-box !important;word-wrap: break-word !important;visibility: visible !important;width: 344px !important;"  /></p><p style="text-indent: 0em;white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);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;"><span style="max-width: 100%;color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box !important;word-wrap: break-word !important;">维修咨询：QQ: &nbsp;712638 404</span><br style="max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;"  /></p><p style="text-indent: 0em;white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);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;"><span style="max-width: 100%;color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box !important;word-wrap: break-word !important;">设备咨询: &nbsp; QQ: &nbsp;712638 405</span></p><p style="white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);font-family: 微软雅黑;font-size: 16px;color: rgb(62, 62, 62);line-height: 24.381px;box-sizing: border-box !important;word-wrap: break-word !important;"><span style="max-width: 100%;font-family: Arial, Verdana, sans-serif;line-height: 1.75em;text-indent: 0em;color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box !important;word-wrap: break-word !important;">软件咨询：QQ: 712638 406</span><br style="max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;"  /></p><p style="text-indent: 0em;white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);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;"><span style="max-width: 100%;color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box !important;word-wrap: break-word !important;">配件咨询：QQ: &nbsp; 712638 407</span></p><p style="text-indent: 0em;white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);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;"><span style="max-width: 100%;color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box !important;word-wrap: break-word !important;">交流Q群：1106 11074</span></p><p style="text-indent: 0em;white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);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;"><span style="max-width: 100%;color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box !important;word-wrap: break-word !important;">阿里店铺网址：https://renchengyiliao.1688.com</span></p><p style="text-indent: 0em;white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);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;"><span style="max-width: 100%;color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box !important;word-wrap: break-word !important;">电子邮箱：sales@parts-ultrasound.com</span></p>