! 【故障】现象原因关机时喇叭里发出异声C616或C62开路(视哪个声道而定)开机帧幅小,热机一条光R454(68K)变值无光(声),象管灯丝亮N551(LA7812)无光,象管灯丝亮R231开路【sw三无】,指示灯闪烁R555zuzhi阻值变大【sw三无】,dianyuan电源无输出C515开路【sw三无】,dianyuan电源输出电压低VD561漏电屏幕经常出现“工厂状态”更换N702蓝背景VD250开路 友情提示,文章源自互联网收集,欢迎你到论坛技术交流请点击这里 家电维修技术论坛 |
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