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View: 2439|Reply: 2

求教 夏普32Z120A不开机

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Post time: 2015-10-8 10:11:39
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求救    夏普 LCD32Z120A  12v  正常 背光调节PWM  正常  无背光开关电压  屏供电12v  没有    脱开背光控制线  强制启动背光能点亮   怀疑主板坏 换一个故障依旧电源板 RUNTKA770WJQZ 主板QPWBSF609WJZZ 维修进入困境   麻烦师傅给以指导
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Post time: 2015-10-9 16:50:41
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排除电源正常,剩下的还是主板问题,现在的X宝也有极少部分商家没有道德,
回收回来,也不测试就说是好的,测试过的。前年就碰到过。
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Post time: 2016-1-3 20:01:38 From the mobile phone
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逻辑有短路,12v是不开通,还是短路,
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