From cazadero@ap.net Fri Sep 10 13:39:10 1999
Date: Fri, 10 Sep 1999 11:20:35 -0700
From: Bill White <cazadero@ap.net>
To: machines@hyperreal.org
Subject: Alesis MMT8 button fix

Dear Editor, Please post this easy fix to benefit the many Alesis users
who visit your site. For your reference, here is the location I wish to
post to:   http://machines.hyperreal.org/manufacturers/Alesis/MMT-8/

    Thank You, Bill White

I have owned quite a few pieces of Alesis gear over the years and
I too have had problems with intermittent buttons on HR16 & MMT8
machines. The problem has been so bad at times that the rapid fire
static causes these boxes to freeze and crash.  The solution I found
is very simple, long lasting and effective enabling my fine Alesis boxes

perform flawlessly to this day.

So here is the remedy:
1. Take the unit apart by removing the 4 screws from the back.
2. Remove circuit board connectors to free the back from the front.
3. Remove the contact/LED circuit board by removing the 9 or so screws.
4. Remove the rubber button pieces and wash them with a fine toothbrush
    in warm water and dish soap. While your at it, clean the front
plastic
    cover as well.
5.Take the contact board and clean the silver colored contact areas
    with 1500 grit wet/dry sand paper. Don't use anything coarser than
that.
    Clean just until the contact surfaces are bright and shiny. The area
where
    most of the problem occurs is not the button, but instead the
oxidized
    leaded contact board surfaces.
6.Reassemble the unit once all parts are thoroughly dry.
7.Enjoy a nice clean sequencer/drum machine that performs as new.