ＮＴＴ传真机电源故障检修刘维纯故障现象打开传真机电源开关，传真机显示窗口无显示，面板的所有指示灯均不亮，整机无动作。分析检修根据故障现象，首先应查传真机的电源部件。拆开传真机的塑料外壳，取出电源部件，发现电解电容器Ｃ７顶部崩裂，交流输入保险丝完好，其... NTT fax machine power troubleshooting Liu Wei pure failure to open the fax machine power switch, fax machine display window no display, all the panel lights are not bright, the whole no action. Analysis and maintenance According to the fault phenomenon, first check the fax machine power components. Open the plastic case of the fax machine, remove the power components and found electrolytic capacitor C7 top crack, AC input fuse intact, its ...