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116问答网 > 海信TLM42E01蓝灯一直亮不开机,用吹风机加热一会就开机

海信TLM42E01蓝灯一直亮不开机,用吹风机加热一会就开机

海信TLM42E01蓝灯一直亮不开机,用吹风机加热一会就开机

2025-03-15 23:44:20

推荐回答（1个）

回答1：

①→这个故障看来主开关电源电路有某元件性能不良引起的，首先测量一下副开关电源电路元件是否正常。
②→测量开待机控制电路元件是否正常，以及待机控制三极管等元件是否正常。

③→经以上检查，若没发现元件换坏，那就在测量一下主板上的DC一DC电压变换电路芯片各引脚对地电压是否正常，若有异常，检查芯片异常脚周围元件即可。

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