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TCL高清电视疑似电源故障

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Post time: 2020-1-13 15:30:36
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一台HD29M89高清TCL电视,上电后听到瞬间有高压,然后就没了,通过数字万用表测行电流达到0.5A,怀疑行短路,断开行电路,接一百瓦灯泡做假负载测试电源,上电后电源指示灯闪两下,白炽灯闪一下,以这种频率循环闪烁。地毯式检测电源部分的元器件,也没发现问题,维修陷入困境,请师傅们赐教,谢谢先

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Post time: 2020-1-13 17:23:15
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场供电,场块,AFC电路.............
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Post time: 2020-1-13 20:43:45
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100W的灯泡,负载是不是偏重了?电流大,行,场及偏转。
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 Author| Post time: 2020-1-13 21:29:37
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为民家电 2020-1-13 20:43
100W的灯泡,负载是不是偏重了?电流大,行,场及偏转。

对于29寸的高清电视,100W的灯泡大吗?
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