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ＪＥＭ－１００ＣＸⅡ及Ｓ－４５０电镜故障维修实例陈伟之张弛李珏（沈阳农业大学电镜室，沈阳１１０１６１）故障现象ＪＥＭ－１００ＣＸⅡ透射电镜在正常观察时光斑突然消失，且工作台左侧仪器内发出灼热气味。故障分析和处理出现灼热气味，说明电子线路中存在短路故障...
JEM-100CX Ⅱ and S-450 Electron Microscopy Fault Repair Example CHEN Wei-zhi ZHANG Chi LI Jue (Electron Microscopy Laboratory, Shenyang Agricultural University, Shenyang 110161) Symptom Phenomenon of JEM-100CXⅡ TEM disappears suddenly under normal observation and the hot smell . Failure analysis and treatment of hot smell, indicating the existence of short-circuit fault in the electronic circuit ...