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T420HVN4.0 XR 灰屏抢救

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Post time: 2026-7-18 15:50:01
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本帖最后由 技术支持008 于 2026-7-19 10:17 编辑

如题接收一台杂牌液晶电视,故障为灰屏(背光亮)、伴音正常。
断开右侧排线,左侧能正常显示画面,可以确定问题出在右侧,翻找自己保存的液晶屏技改,未找到该型号。
该屏为AOU(冠捷),型号T420HVN4.0 XR
本着死马当活马医的原则,按其他屏的隔离方法,将右侧排线从右往左用胶带隔离10根,故障排除!
特此与大家共享!

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 Author| Post time: 2026-7-18 15:51:32
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劳驾管理员、版主,将附件删除
附件是显示器的,不是这个电视的
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Post time: 2026-7-18 18:49:02
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应该叫AUO吧,感谢分享
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