|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2008年06 期
| 标题 |
| UM71电子盒故障查找方法与实例(44 卷) |
| 英文标题 |
| 摘要 |
| UM71型无绝缘移频自动闭塞的主要设备包括：发送器、接收器、空心线圈、调谐单元、匹配变压器、补偿电容和ZC03电缆等。在多年从事设备测试和维修的过程中发现，回所多的是发送器和接收器，且故障现象比较雷同。为此，归纳了3种常用的故障查找方法：观察法、替换法和二分法。下 |
| 作者 |
| 新闻作者:张宬 |
| 关键字 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 标题 |
| UM71电子盒故障查找方法与实例(44 卷) |
| 英文标题 |
| 摘要 |
| UM71型无绝缘移频自动闭塞的主要设备包括：发送器、接收器、空心线圈、调谐单元、匹配变压器、补偿电容和ZC03电缆等。在多年从事设备测试和维修的过程中发现，回所多的是发送器和接收器，且故障现象比较雷同。为此，归纳了3种常用的故障查找方法：观察法、替换法和二分法。下 |
| 作者 |
| 新闻作者:张宬 |
| 关键字 |
| COPYRIGHT©2001-2025 CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED，ALL RIGHTS RESERVED | ||
|
