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repair stories

• • • • • • • • •


AMPS

Ampeg
  SVT Classic Shuts Off
Fender
  DeVille Input Jack
  Mini-Twin Conversion
  Super Twin Inspection
Kay
  703-C Filter Caps
Marshall
  DSL100 Choke & Bleed
Peavey
  6505+ Tube Filaments
  Classic-30 Repair
Selmer
  Little Giant Mk 3
Vox
  Valvetronix AD50VT

KEYBOARDS

Akai
  MPC2000XL Jog Wheel
Farfisa
  Mini Compact Dividers
Korg
  01/W Keybed Removal
  M1 Worn-Out Buttons
  Poly-61 Envelopes
  Triton Disassembly
  Triton Worn-out Buttons
  X3 Worn-out Buttons
  X3 Floppy Drive
  Keys & Contacts:
    M1, 01W, triton, i30 ...

Moog
  Micromoog Repair
  Prodigy Key Contacts
  Rogue Power Jack
Roland
  D-50 Key Contacts
Sequential Circuits
  Pro-One Key Contacts
Yamaha
  MOTIF6-7 Disassembly
  MOTIF Worn-out Buttons
  Keys & Contacts:
    motif, es, DX7, sy85 ...

TECHNIQUE

  IC Socketing
  Sustain Pedal Plugs


Yamaha MOTIF6 & MOTIF7    Worn-out Buttons

Yamaha MOTIF control panel buttons Yamaha MOTIF LCD display

These switches fit the MOTIF6, MOTIF7, MOTIF8,
MOTIF ES6, MOTIF ES7, MOTIF ES8,
MOTIF XS6, MOTIF XS7, and MOTIF XS8.

Click to Enlarge Photo
CLICK TO ENLARGE

Click to Enlarge Photo
CLICK TO ENLARGE

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 Tactile Switches for
the Yamana MOTIF here:

Quantity -- for buttons that light

FREE SHIPPING WORLDWIDE



Quantity -- for buttons that don't light

FREE SHIPPING WORLDWIDE

For more information on Yamaha products, visit  The Yamaha Corporation.

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