TOSHIBA ACTIVISIONN 16 artifact-troubleshooting

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                    <p><p><img src="image/20201019/1bd08b695d5fd805cb63ee05a2610294_1.jpg" /></p></p><p>&nbsp;</p><p><audio src="audio/202010/1603070469280.mp3" controls="controls"></audio></p><p><br  /></p><p><strong><span><span>地点：库尔勒</span> <span>新和</span></span></strong></p><p><strong><span><span>日期：</span>2017.6</span></strong></p><p><span>一．</span><strong><span><span>故障现象：</span></span></strong><strong><span><span>做头部扫描时，会出现高低密度不均匀伪（</span>artifact<span>），严重影响诊断</span></span></strong></p><p><strong><span>&nbsp;</span></strong></p><p><span>二．</span><strong><span><span>故障分析解决：</span>1.<span>检查高压电缆和准直器</span></span></strong></p><p><strong><span>&nbsp;</span></strong></p><p><strong><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.<span>检查扫描间的温度 空气湿度，对机器做常规保养</span></span></strong></p><p><strong><span>&nbsp;</span></strong></p><p><strong><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.<span>检测探测电源，清理通道板</span></span></strong></p><p><strong><span>&nbsp;</span></strong></p><p><strong><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.<span>对机器做空气校准</span></span></strong></p><p><strong><span>&nbsp;</span></strong></p><p><strong><span><span>三．故障解决：</span></span></strong></p><p><strong><span><span></span></span></strong></p><p><p><img src="image/20201019/3999c4256740215d8df17b488bdd30cb_2.png" /></p></p><p><strong><span><span></span></span></strong></p><p><p><img src="image/20201019/8fcd6a70e3be18470f83c4aaa3455f14_3.png" /></p></p><p><p><img src="image/20201019/95b7700572233a2fa2bc77e2a93d741f_4.png" /></p></p><p><p><img src="image/20201019/949048dc108f7b647ccfe342a8e93744_5.png" /></p></p><p><p><img src="image/20201019/fd1caf74ab45074ade10a1971a09ba00_6.png" /></p></p><p><p><img src="image/20201019/95b7700572233a2fa2bc77e2a93d741f_4.png" /></p></p><p><br  /></p><p><br  /></p><p><br  /></p><p><br  /></p><p><p><img src="image/20201019/7822a4e2249e86a45760fbbfc1675e38_8.gif" /></p></p><p><br  /></p>