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智能电视工作几十秒钟黑屏，现在维修价格这么低了吗？不够成本吧
70寸大屏智能电视工作几十秒钟黑屏有声音，师傅报价超出客户预期，无功而返。现在维修一台电视机真的就这么便宜了吗？
液晶电视机常见故障，原理与维修，合集36/87
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