Home › Forums › Vintage EHX › Vintage mummy Bad Stone fix?

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  • September 14, 2010 at 1:07 pm #80730
    fernieite
    Participant

    I just got this old Bad Stone. It doesn’t work however. I’d sure appreciate anybody’s help. Here’s a link with photos. Thanks a lot.

    http://stompboxes.co.uk/forum/viewtopic.php?f=10&t=7841

    September 14, 2010 at 1:12 pm #111404
    The EH Man
    Moderator

    For starters, your pedal isn’t 18v. It’s +9/-9. The black wire from the positive supply and the red wire from the negative supply go to the switch. There should then be 2 wires going from the switch to the board. The chips are LM324 and may be the culprits.

    September 14, 2010 at 1:31 pm #111405
    fernieite
    Participant

    Thanks Ron. There are two wires going from the switch to the board. Are you saying there should be two others? I corrected the 18 v remark – thanks.

    September 14, 2010 at 2:02 pm #111406
    The EH Man
    Moderator
    Quote:
    Thanks Ron. There are two wires going from the switch to the board. Are you saying there should be two others? I corrected the 18 v remark – thanks.

    4 wires total on the switch. 2 to the board, 2 to the batteries.

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