迈瑞DC-8彩超CW功能异常维修

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                    <p style="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;white-space: normal;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(0, 92, 173);box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;font-size: 15px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><img class="rich_pages js_insertlocalimg" data-backh="253" data-backw="578" data-ratio="0.43859649122807015" data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz_gif/dx3KibwtDhvd30KriaSbvhoncZUg9ZbETjscR1rN5dSCfznIuBFJJWmiauFOFKJq6LKLDom0CYRBzWtBO9Qp0jHhw/640?wx_fmt=gif" data-type="gif" data-w="798" style="white-space: normal;text-align: center;width: 100%;height: auto;"  /></span></strong></span></p><p style="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;white-space: normal;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(0, 92, 173);box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;font-size: 15px;box-sizing: border-box !important;overflow-wrap: break-word !important;">机器类型：彩色超声多普勒诊断仪</span></strong></span></p><p style="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;white-space: normal;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(0, 92, 173);box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;font-size: 15px;box-sizing: border-box !important;overflow-wrap: break-word !important;">机器型号：迈瑞DC-8</span></strong></span></p><p><br  /></p><figure data-size="normal"><img data-backh="773" data-backw="578" data-croporisrc="http://mmbiz.qpic.cn/mmbiz_jpg/dx3KibwtDhvdxibkwqxJXmoSfblk02OOTIPtCF2DLfqR4kv7UdX0UfYBSPNq7aPibNNpr9bqS6icGnzAtqwNIfyKyQ/0?wx_fmt=jpeg" data-cropx1="0" data-cropx2="524" data-cropy1="0" data-cropy2="702" data-ratio="1.3377862595419847" src="http://mmbiz.qpic.cn/mmbiz_jpg/dx3KibwtDhvdxibkwqxJXmoSfblk02OOTIDURm8RyFWN2KIBumibsw50f8TfceuCaIHp3qPhtcMBYlq5Vj6WE4fDw/640?wx_fmt=jpeg" data-type="jpeg" data-w="524" style="margin-right: auto;margin-left: auto;display: block;cursor: zoom-in;background-color: transparent;animation: 0.5s ease-in 0s 1 normal none running fxRichTextFadeIn;width: 100%;height: auto;"  /></figure><p><br  /></p><h3><span style="color: rgb(0, 92, 173);"><strong><span style="color: rgb(0, 92, 173);font-size: 15px;">一、故障描述：</span></strong></span></h3><p><span style="font-size: 15px;">1、诊断仪的CW只能用于心脏条件下，其余条件下无CW功能，所以CW板可能损坏。</span></p><p><span style="font-size: 15px;">2、出现故障时，由附电源盒测量CW的工作电压下降明显，考虑故障可能与附电源盒有关。</span></p><p><span style="font-size: 15px;">3、此故障还可能由CW信号触发及通信功能丢失造成。</span></p><p><span style="font-size: 15px;">4、心脏探头(相控阵探头)是由PW和CW组成，心脏探头可能损坏。</span></p><p><span style="font-size: 15px;">5、软件系统损坏，造成CW功能缺失。</span></p><p><span style="font-size: 15px;"><br  /></span></p><h3><strong><span style="font-size: 15px;color: rgb(0, 92, 173);">二、维修方案：</span></strong></h3><p><span style="font-size: 15px;">更换附电源盒及相关电路板均无效后，更换心脏探头，没有出现死机现象，问题解决，故障原因是心脏探头损坏引起设备部分电路电压供电异常。</span></p><p><br  /></p><section style="white-space: normal;text-align: center;"><span style="font-size: 12px;background-color: rgb(255, 255, 255);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;widows: 1;">-end-</span><br  /></section><p style="font-variant-numeric: normal;font-variant-east-asian: normal;white-space: normal;max-width: 100%;min-height: 1em;font-family: 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