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Mordaunt short ms409w dead - both fuses blown

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This kind of thing is impossible to "fix" remotely.
Check the bridge rectifier first then suspect the Class D output module on the heat-sink. The main smoothing capacitors, I have had one go completely open circuit but I wouldn't suspect one of going short circuit (Would only blow one fuse).
I have not been able to find any circuits for this model as I have two of these subws myself.
Anyone found any?
Frank

Posted on Nov 29, 2010

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