TCL液晶电视开机灰屏原因（液晶电视开机灰屏检修方法）

2026-06-03 网络整理佚名690

Key Point:TCL液晶电视开机灰屏原因（液晶电视开机灰屏检修方法）1、指示灯亮但是不稳定，说明5V 待机电压不正常，用表测的5V 电压只有3V 左右而且及不稳定

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