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火车上软卧的电视机怎么打不开

更新时间: 2020-10-23 00:00:00     

打不开的问题如下:

1、电源指示灯不亮,电源插头没有插好;

2、电视机的电源亮,可能是电视机里边的电源电路有故障。如果懂得无线电技术,可以打开电视机内部检查开关稳压电源是否正常,保险丝是否断裂,或插电源的导线不通;

3、检查电源板供电是否正常,如果没有请检查电源前端电路,如变压器,稳压IC,整流二极管,滤波电容,小电阻,电容等。

关键词: 火车 软卧 电视机 怎么

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