故障检修:开机搜台,发现搜到的信号出现扭曲变形,图象不清,怀疑是存储器坏了,更换后,搜台正常,却发现,图象上边扭曲变形,下边正常,进行总线调试,不起作用,故障依旧,后发现有快S板上有个VR491,经调试故障排除。 |
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