收到同行送来的故障机壹台康佳LED42MS11PD液晶电视,故障表现为开机中间出现白带条灰屏,拆开机器断开右边排线,左边图像正常。断开左边,右边图像呈白带条且灰屏,仔细寻找逻辑板和屏边板电压,耗时1小时半左右,最终确定同往Y处电压异常,隔离,断开Y供电后故障修复(此操作有风险,非专业人员仅供参考) |
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