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海信LED46K11P,电源板RSAG7.820.2194不开机维修

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Post time: 2015-5-16 18:41:32
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海信LED46K11P,电源板RSAG7.820.2194

故障现象:电源灯不亮,无法开机
拆下电源板测量无5VSB,测量5V附近16V 470u电容两脚短路,拆下测量发现VD905 SB560击穿。更换SB560后通电试机一切正常,其他地方未损坏。
下边附电路图:


另外吐槽下网站打开速度咋这么慢?我的网速有问题?李总理都说要给提速了么

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