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<p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: center; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">DSA的工作原理及故障维修解析</strong></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: center; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 18px; box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></strong></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; color: rgb(255, 41, 65); box-sizing: border-box !important; word-wrap: break-word !important;">一、DSA工作原理及应用:</span></strong></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; 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;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; text-indent: 2em; 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;"> <span style="max-width: 100%; font-size: 16px; box-sizing: border-box !important; word-wrap: break-word !important;"> DSA是数字X线成像（digital radiography，DR）的一个组成部分。DR是先使人体某部在影像增强器（IITV）影屏上成像，用高分辨力摄象管对IITV上的图像行序列扫描，把所有得连续视频信号转为间断各自独立的信息，有如把IITV上的图像分成一定数量的水方块，即象素。复经模拟/数字转换器转成数字，并按序排成字矩阵。这样，图像就被象素化和数字化了（图1-3-1）。</span></span></p><p style="text-align: center;"><img data-s="300,640" data-type="png" src="http://mmbiz.qpic.cn/mmbiz_png/dx3KibwtDhvdxlladCT8B8PPtqAromriarOhBLPKoAbn87LntXiaTNQlIDS6zOrpUwzKKYqw9cmBPyQTxeKnWKAoA/0?wx_fmt=png" data-ratio="0.8776470588235294" data-w="425" /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: center; 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;">图1-3-1 象素转换为数字（数字化）</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; 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;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; 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;"> <span style="max-width: 100%; font-size: 16px; box-sizing: border-box !important; word-wrap: break-word !important;"> 数字矩阵可为256×256、512×512、或1024×1024。象素越小、越多，则图像越清晰。如将数字矩阵的数字经数字/模拟转换器转换成模拟图像，并于影屏上显示，则这个图像就是经过数字化处理的图像。</span></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"> DR设备包括IITV、高分辨力摄像管、计算机、磁盘、阴极线管和操作台等部分。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"> 数字减影血管造影的方法有几种，目前常用的是时间减影法（temporal subtraction method），介绍于下。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"> 经导管内快速注入有机碘水造影剂。在造影剂到达欲查血管之前，血管内造影剂浓度处于高峰和造影剂被廓清这段时间内，使检查部位连续成像，比如每秒成像一帧，共得图像10帧。在这系列图像中，取一帧血管内不含造影剂的图像和含造影剂最多的图像，用这同一部位的两帧图像的数字矩阵，经计算机行数字减影处理，使两个数字矩阵中代表骨骼及软组织的数字被抵销，而代表血管的数字不被抵销。这样，这个经计算机减影处理的数字矩阵经数字/模拟转换器转换为图像，则没有骨骼和软组织影像，只有血管影像，达到减影目的。这两帧图像称为减影对，因系在不同时间所得，故称为时间减影法。时间减影法的各帧图像是在造影过程中所得，易因运动而不尽一致造成减影对的不能精确重合，即配准不良，致使血管影像模糊。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(255, 41, 65); box-sizing: border-box !important; word-wrap: break-word !important;">二、DSA故障实例解析</span></strong></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 82, 255); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; text-align: center; line-height: inherit; box-sizing: border-box !important; word-wrap: break-word !important;">机型：SIENMENS Coroskop Classic DSA </span></strong></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; color: rgb(51, 51, 51); text-align: center; line-height: inherit; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></strong></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 82, 255); box-sizing: border-box !important; word-wrap: break-word !important;">1 故障一 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 82, 255); box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">１.１ 故障现象 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; text-indent: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">开机后，透视图像在屏幕上出现一条窄横带，透视将光圈打开。当踩透视开关时，光圈自动缩小成一条窄横带。有时重新开机，机器又恢复正常。 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">１.２ 故障分析处理 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; text-indent: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">首先， 怀疑故障是由接触不良引起的。经仔细观察发现，开机自检时，准直器内发出异常声音时，机器就无法正常工作。拆开准直器外壳观察，发现开机自 检时，准直器叶片会自动开合一遍。 当叶片打开至最大位置时，有一限位开关被触发，导致S1接触不良。经调整S1开关触点后试机，机器恢复正常，故障排除。 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 82, 255); box-sizing: border-box !important; word-wrap: break-word !important;">２ 故障二 </span><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">２.１ 故障现象</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; text-indent: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">在手术过程中，有时出现 “C-arm guard active”报警，导致C臂不能工作。 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">２.２ 故障分析处理 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; text-indent: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">根据报警提示，判断是C臂防碰撞 Sensor（传感器）出现故障。C臂防碰撞Sensor是两根条型状的橡胶嵌在C臂的两边。检查发现，靠近球管端的Sensor橡胶断裂，形成一个直角，因Sensor本 身就是一个压力Sensor， 造成其非常灵敏， 只要C臂稍微抖动就会立即报警，造成C臂不能工作。由于拐角处断裂，所以处理起来比较困难，经过捆绑、胶粘后效果均不好。最后用1只 22 ｋΩ ／ 1 W 的电阻代替 Sensor，机器恢复正常，故障排除。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; color: rgb(0, 82, 255); box-sizing: border-box !important; word-wrap: break-word !important;">３ 故障三 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">３.１ 故障现象</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; text-indent: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">机器透视、采集均无图像。有时重新开机又恢复正常。 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">３.２故障 分析处理 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; text-indent: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">控制台、MTS 上均无故障信息。仔细检查发现，机柜内 D21 板上有一 IRIS MIN（min．opening of iris diaphragm）红灯亮，说明摄像头出现故障。 出现故障的原因可能有：</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; text-indent: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">（１）摄像头损坏； </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">（２）控制电路出现故障。 </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 16px; white-space: normal; font-family: 微软雅黑; line-height: 2em; text-align: justify; text-indent: 2em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">首先，怀疑是接触不良导致。插拔D21板，故障依旧。其次，检查摄像头，发现开机时有异常声音。摄像头是靠2颗螺钉固定在影像增强器后面的。经检查发现，其中1颗螺钉松动，导致摄像头和影像增强器连接出现问题，而光圈就在连接处。重新装好摄像头后开机，机器恢复正常，故障排除。 </span></p><p><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><br /></span></p><p style="text-indent: 0em; white-space: normal; 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 </span><span style="max-width: 100%; font-size: 14px; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important;"> </span></p><p style="text-indent: 0em; white-space: normal; 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; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important;">邮编：510507</span></p><p style="text-indent: 0em; white-space: normal; 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 8764 5360 8764 2943 </span></p><p style="text-indent: 0em; white-space: normal; 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;">传真：020-8722 8623</span></p><p style="text-indent: 0em; white-space: normal; 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="text-indent: 0em; white-space: normal; 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="text-indent: 0em; white-space: normal; 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" src="http://mmbiz.qpic.cn/mmbiz/dx3KibwtDhvfCZvZq5PcthnDKlnnq3AalhbichW77J3B70osicTickklZybNKUZqc44DZ0oaWaHm2p0TaA9478icwPg/640?wx_fmt=jpeg" data-type="jpeg" data-w="120" width="auto" style="box-sizing: border-box !important; word-wrap: break-word !important; visibility: visible !important; width: auto !important;" /></p><p style="text-indent: 0em; white-space: normal; 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: 712638 404</span></p><p style="text-indent: 0em; white-space: normal; 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;">设备咨询: QQ: 712638 405</span></p><p style="font-size: 16px; 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发表于 2020-10-19 23:32:52