Yamaha Reface Cp Type Selector Rotary Switch Replacement Repair Guide

Difficulty

Difficult

Steps

7

Time Required

                          45 minutes - 2 hours            

Sections

1

• Type Selector Rotary Switch
• 7 steps

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Introduction

What you need

Step 1

              Let's get started               

• The Yamaha CP and rotary switch we will be replacing (red).
• This process includes removing a mind-boggling 42 screws. Make sure you have the space to keep them all in order.

The Yamaha CP and rotary switch we will be replacing (red).

This process includes removing a mind-boggling 42 screws. Make sure you have the space to keep them all in order.

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Step 2

              Start removing screws               

• Flip the CP over and unscrew the 17 screws from the bottom. Keep track of which was where as some are longer than others.

Flip the CP over and unscrew the 17 screws from the bottom. Keep track of which was where as some are longer than others.

Step 3

              Opening it up               

• Flip CP over and gently lift the front of the top cover.
• Unscrew ground cable (red circle). You may need to balance the cover in the air for this one as the cable is a bit short.
• Unplug cables (pink rectangle). I marked the bottom one with tape to not mix them up later.
• Remove top from bottom half. Store bottom half till the end as we no longer need it.

Flip CP over and gently lift the front of the top cover.

Unscrew ground cable (red circle). You may need to balance the cover in the air for this one as the cable is a bit short.

Unplug cables (pink rectangle). I marked the bottom one with tape to not mix them up later.

Remove top from bottom half. Store bottom half till the end as we no longer need it.

Step 4

              Removing the knobs and sliders               

• Place top half knob side up and gently pull (with your fingers) the knobs and sliders off.
• Set flip switches to the middle position and unscrew the nuts with pliers.

Place top half knob side up and gently pull (with your fingers) the knobs and sliders off.

Set flip switches to the middle position and unscrew the nuts with pliers.

Step 5

              Remove even more screws               

• Flip top cover over and remove the metal bar holding the PCB down by removing 4 screws (red) and 2 hooks (orange).
• Remove another 18 screws (red) to finally free the PCB from the case!

Flip top cover over and remove the metal bar holding the PCB down by removing 4 screws (red) and 2 hooks (orange).

Remove another 18 screws (red) to finally free the PCB from the case!

Step 6

              Remove old rotary switch               

• Remove PCB from top cover and tie the cables back to make room for soldering (pink).
• Desolder the rotary switch (yellow) with the help of the desoldering pump. Or just chop off the switch with the flush pliers (like I did after struggiling with desoldering).
• Be careful not to damage the tiny SMD capacitor C110 (like I did) or diodes D104/D105 as they are very close to the switch.
• Rotary switch removed and scratches from the pliers on the top side of the PCB (green).

Remove PCB from top cover and tie the cables back to make room for soldering (pink).

Desolder the rotary switch (yellow) with the help of the desoldering pump. Or just chop off the switch with the flush pliers (like I did after struggiling with desoldering).

Be careful not to damage the tiny SMD capacitor C110 (like I did) or diodes D104/D105 as they are very close to the switch.

Rotary switch removed and scratches from the pliers on the top side of the PCB (green).

Step 7

              Solder new rotary switch               

• Place the new rotary switch with the Alps text/logo (green) upside-down compared to the text on the PCB (orange).
• Solder the switch with ROHS compilant solder. Please forgive the shoddy work on the stabilizing legs and crushed C110 (it still works).
• Time to start putting it back together!

Place the new rotary switch with the Alps text/logo (green) upside-down compared to the text on the PCB (orange).

Solder the switch with ROHS compilant solder. Please forgive the shoddy work on the stabilizing legs and crushed C110 (it still works).

Time to start putting it back together!

To reassemble your device, follow these instructions in reverse order.

To enable the hidden sound, turn the knob to position 7 (all the way to the right) before turning on the keyboard. Switching to any other sound and back while on will not re-enable the new sound, you’ll need to turn the keyboard off and set the knob to 7 again and then turn it on again (it’s not a perfect mod, but it is a fairly decent hack).

Congrats, you now have an even better sounding Yamaha Reface CP!

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                                                                                      One other person completed this guide.                                             

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                                      with 1 other contributor 

                    Tommy Burazin                     

Member since: 12/28/2020

175 Reputation

                                      1 Guide authored                  



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Sergey Moraru - Jul 23, 2022

Reply

Super!!! THANK YOU - the BEST variant for CP! A+++++

Sergey Moraru - Jul 25, 2022

Reply

P.S.: Just did it. Never been happier of an instrument upgrade! THANKS AGAIN!