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电视开不了机怎么办
更新时间: 2020-07-14 00:00:00  

1、检查电视的电源插头是否插入电源插座,或者插头松动导致供电不良。检查电视机身的电源开关是否打开;

2、如果电视的指示灯亮,屏幕没有显示,则有可能是电视处于待机状态导致的,可以按遥控机的待机键唤醒电视;

3、指示灯亮但是不稳定,说明5V待机电压不正常,用表测的5V电压只有3V左右而且及不稳定,那就开始检查IC12的外围及反馈稳压电路。

关键词: 电视 怎么办

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