现象:开机后显示兰屏开机画面后,自动关机,马上自动开机.....如此反复. 查+B145V正常.没有打火的现象.断开TDA9383的36脚(ETH)开机正常,顺藤摸瓜,查到R894(220K)开路.更换后正常 |
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