| 故障表现为：灯亮不定时不开机 检修：初判电源正常，检测开待机电路无输出，检测主板供电3.3V为3V偏低检测，空载正常。怀疑副电源电路带载能力差，检查电路发现C806 400V10U电容根部有漏液痕迹，更换后正常。已遇到多台此电容损坏故障。 |
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