收到同行送来的故障机壹台TCL L42A71C液晶彩电(机芯:AM6C),按菜单键时出现“暂不支持该设备型号”,如图1所示,并且该机无法正常和强制方式升级。该故障原因是主板存储器U302(24C32 )坏,换新后重新升级即可。 |
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