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Power surge has killed my DR-MH200SEK

We had a series of power surges and one of them managed to knock out my DR-MH200SEK, I checked the internal fuse, which had blown, so I replaced it, but as soon as I turned it on, it blew again. Any ideas what would be causing this and if it is a problem that I can resolve without costing me an arm and a leg, or do I need to resign myself to the fact that I will just have to but a new one?

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Gargame,

good day, if you already replaced the fuse and still keeps on blowing it again. you still have a short circuit somewhere within the power supply area or board.try to check if there are any other blown parts or slightly expanded shape part specially for capacitors near the power supply area .

2) If you do have multi tester and have some basic knowledge with component checking try to check the polyswitch protector, this is connected parralel to AC supply right after the fuse before going to voltage rectifier diode.

3) if it doesn't have a polyswitch protector check the polarity of your rectifier diode, maybe 1 of this 4bridged diode is shorted.

cheers,
mark

Posted on Jan 30, 2009

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