电视机电源板故障诊断与修复全解析

2026-02-13 网络整理佚名1360

Key Point:01故障分析与维修故障现象与初步分析故障现象：当按下电源开关后，电视机通电，红色指示灯亮起，随后数秒内变为绿色，然而屏幕上并无图像，也无声响，全然一片漆黑。

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