Home › Forums › Help/Technical Questions › Metal Muff no longer working with Power Supply

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  • January 6, 2011 at 8:33 pm #81170
    iron muff
    Member

    Hi there,

    My Metal Muff, no longer seems to be working with a power supply. It works fine with a battery. Left it on a shelf one day for a while, came back to try and use it and it wouldn’t turn on.

    I had a peek at the insides when I switched the battery and couldn’t see anything out of place or loose. But then again I have no idea what i’m supposed to be looking for.

    I use a visual sound 1 spot 9v power supply – it works fine with every other one of my pedals.

    I’d much rather use a power supply than rely on/buy batteries

    Anyone have an suggestion on how I can fix this problem?

    Cheers

    iron muff

    January 6, 2011 at 9:17 pm #113550
    The EH Man
    Moderator

    Perhaps the center pin of the power jack has a broken solder joint. The other option (probably more likely) is that the polarity protection diode has opened. It may be a surface-mount component but you could replace it with a standard one if you were careful. If you have a multimeter you could check it in both directions. If it’s the same reading both ways it’s bad.

    January 17, 2011 at 3:08 am #113844
    grimwolfmcquade
    Member

    Just to let the originator of this thread know, this just happened to my Metal Muff as well… as well as my Nano Stone… to the person ‘with the answers’, is there something that I might have done wrong, I’m pretty careful with my gear…

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