移动式X射线摄影机维修故障分析（SM-50HF-B-D）

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                    <section><section powered-by="gulangu"><section><section><p><img src="image/20201019/ed1724771b95b15d0efa0ecd7476d894_1.gif" /></p></section></section></section><section powered-by="gulangu"><section><section> <section> <section powered-by="gulangu"><section><section><p>故障现象</p></section></section></section> </section> </section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp;设备开机后报错“??:01”，无法曝光。</p></section></section></section><section powered-by="gulangu"><section><section> <section> <section powered-by="gulangu"><section><section><p>故障分析及处理</p></section></section></section> </section> </section></section></section><section powered-by="gulangu"><section><section><p>1、&nbsp;根据错误代码可知，该设备的高压发生器的通讯出现异常，因此造成该故障的原因可能有：①高压发生器的控制板损坏；②高压发生器控制板的电源异常。</p></section></section></section><section powered-by="gulangu"><section><section><p>2、拆开外壳，查看高压发生器电压部分。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/b27e838063cdea5e16dc0e28a8a71ca1_2.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>2、查看控制板的供电一组+5V的电压为零，检测前级电路，发现相应的1.5A保险丝损坏，更换相同的保险丝后，试机后还是烧保险丝。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/15fb35c302dd176f939ec256408934e9_3.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>3、检测前级电路，该供电电压从变压器变压处理后外接一个KBPC1006的桥堆，再经过保险丝进入控制板，通过测量，发现KBPC1006的桥堆有两脚击穿，更换桥堆后，上电测试设备正常使用，故障排除。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/fde52864468d779d18711c2992378a11_4.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section> <section> <section powered-by="gulangu"><section><section><p>故障诊断结果</p></section></section></section> </section> </section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; 该设备由于高压发生器的电源部分异常，导致无法曝光，经检测，由于KBPC1006的桥堆击穿。</p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section powered-by="gulangu"><section><section><p>欢</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>迎</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>关</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>注</p></section></section></section> </section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section powered-by="gulangu"><section><section><p><img src="image/20201019/a171e3478e6b41e52243b9c0e246fdda_5.jpg" /></p></section></section></section> </section><section> <section powered-by="gulangu"><section><section> </section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section> </section></section></section></section>