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索尼85X900H灯闪4次

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Post time: 2025-4-30 14:01:41
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本帖最后由 博大精深 于 2025-9-8 13:28 编辑

怀疑背光坏,拆开液晶屏,灯刚开机全亮,几秒后上下各2排不亮,换灯条故障依旧,最后更换恒流板,正常
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Post time: 2025-10-22 09:05:56
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恒流板上保险F1000 8A 84V/125V 中84V/1 丝印对下的几个电阻损坏,与F1000 相接的100K(黑色)+47K(中间黑色)+10k(蓝色)这三个电阻前两个不良引起
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Post time: 2025-10-22 23:51:53
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cspgxyl 2025-10-22 09:05
恒流板上保险F1000 8A 84V/125V 中84V/1 丝印对下的几个电阻损坏,与F1000 相接的100K(黑色)+47K(中间黑色)+10k(蓝色)这三个电阻前两个不良引起

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