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This story shows how to remove the MOTIF's switch circuit boards and
replace
worn-out tactile switches.
The tact switches live underneath the control panel buttons (see
photo, left). When a switch wears out, the button becomes unreliable
and eventually nonresponsive.
There are 3 switch circuit boards. The
left board holds all the buttons left of the
display, 5 control sliders, and 4 rotary
knobs. Pull off the slider and rotary knobs before disassembling
the synth.
The right board holds all the buttons right of the
display, and also the data dial. Pull off the data dial knob
before disassembling.
The center board holds the buttons directly below the
display. These switches tend not
to wear out because they get used less.
The
MOTIF6-7 Disassembly story is a prerequisite for this story. It shows how to remove the computer cage and keyboard assembly, which block access to
the switch boards.
Before beginning, test each button dozens of times and on
several different days.
A switch that misses even one push should be changed while
you're in there since this job takes a while to complete.

Buy Tact Switches for the MOTIF here:

FREE SHIPPING in U.S.A.
WE SHIP WORLDWIDE - see
Storefront
for details

FREE SHIPPING in U.S.A.
WE SHIP WORLDWIDE - see
Storefront
for details
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