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例１ 故障现象：当按下ＴＣ１６９０诊视床遥控台开启按键Ｓｍ３０时，微机不能启动，并显示故障编码Ｃ５１。分析检查：ＴＣ１６９０遥控诊视床微机启动电路较为复杂，能够达到正常工作状态与许多方面有着密切联系，主要的有：①１０个安全微动开关是否导通；②±１２Ｖ及＋
Example 1 Symptom: When pressing the TC1690 bed remote control button to open the key Sm30, the computer can not start, and display the fault code C51. Analysis and examination: TC1690 remote control bed computer start-up circuit is more complex, to achieve normal working conditions and many aspects are closely linked, the main are: ①10 safety micro-switch is turned on; ② ± 12V and +