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故障现象开机后故障代码显示ＴＲＯＵＢＬＥ -４分析与检修按常规方法检查（１）测光源灯电压１２Ｖ正常 ;（２）更换光源灯泡 ,清洗光路传递孔 ;（３）清洗光敏检测孔 ,排液管路 ;经以上处理故障依旧。查三个前置放大器的输出端（ＣＡ３１６０３的６脚）电压分别为１Ｖ、１．
Fault phenomenon After power on, the fault code shows TROUBLE -4 Analysis and inspection Check according to the conventional method (1) The light source lamp voltage is 12V; (2) Replace the light source bulb, clean the light path transmission hole; (3) Clean the photosensitive detection hole, drain tube Road; After the above processing failure remains. Check the three preamplifier output (CA31603 6 feet) voltage is 1V, 1.