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DENON DCP50 CAN'T POWER ON

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 China

Post time: 2016-10-31 02:29:00
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as title,a denon dcp50,can't power on ,both ac power adaptor or AA battery,it seems it new,back cover not been opened  and never been repaird .both adaptor and use 4 AA batterys can't power ,nothing show on screen of machine,not any noise or move happened.like not put into power adaptor or 4 aa batterys.ask k techer what's wrong with it ,what's step can i chech it step by step
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 United States

Post time: 2016-11-02 22:34:29
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If you'd like to repair it by yourself,
First, download a service manual of the DCP50 from this site;
Second, connect your power adapter(suppose it's in working order, make sure voltage/polarity are correct  if it's not original), check whether the CPU receives proper voltage VDD, high level at RESET pin, HOLD switch off, door switch on, PLAY signal can wake up the CPU as expected.

Let me know result for every check point. Good luck!
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