증상 시스템에전원인가를하였을때 Power supply LED는 Green이고, 시스템 LCD에는에러메세지가발생하지않는다. 그러나전원버튼을눌러도화면에아무것도나오지않으며, 아무변화가없다.
테스트방법 전원케이블을제거한다. RTC battery 를제거한다. Control panel board와 Motherboard간에연결되어있는케이블을제거한다. 전원케이블을연결하여전원을인가하였을때 POST가진행된다면(화면이나온다면), Control panel board 불량을의심해야한다.
테스트된모델 R520, R620
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Article ID: SLN296763
Last Date Modified: 04/13/2015 09:34 AM
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