机型: L48E5390A-3D、L55E5390A-3D 机芯:MT36 故障表现为:机器使用一段时间后,出现灯亮不开机之现象 故障原因:驱动电路设计缺陷所致 处理措施: 1、DRT4812:C612由0.022UF更改为680PF; 2、DRT5512:C612由0.022UF更改为680PF,同时增加R660为0.47欧电阻来处理。 |
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