介绍了用示波器检查初级电流和次级电压波形，通过波形分析诊断出点火线圈的故障。
Through the analysis of the wave of primary current and sub-voltage detected by oscillograph, the malfunction of ignition coil will be diagnosed.
虚拟示波器可以作为网络化测控系统组件模块，广泛应用于设备远程监控，故障诊断及设备维护等领域。
The oscillograph can be used as a measurement and control network component work, and in many fields such as instruments remote control, fault diagnosis, and device maintenance.
通过一些故障现象，介绍了慢扫描示波器电路故障检修的一些主要方法。
The main methods of repairing slow scan oscillograph by the phenomenon of some failure are introduced in this paper.
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