So these should be complete schematics to your keyboard. I don't know if those parts are the ones you want to keep using.ĮDIT: After looking over the CTK-2000/3000 user manual and the CTK-2000 service manual that I linked to, I think I found the differences in the two: on the schematic, where there are portions labeled "Not used", those are parts that are in the 3000 and not the 2000. Tons of features, great tones, and MIDI functionality In good condition with some normal signs of wear (see photos).
The pads on the MASCHINE controller are not responding as expected. Used Casio CTK-574 in good working condition. If you are experiencing performance issues (audio crackling, distortions) while operating the MASCHINE software, read this article. Part of the 9VDC power from either the wall wart or the batteries is converted to 5V to run various ICs - and some of that is likewise converted down to 3.3V - but it looks, from my quick look, like there are some parts run off the 9V natively. If your MASCHINE controller is not lighting up or is not recognized by your computer system, please read our hardware troubleshooting guide. Looking at those schematics, I can tell you that converting to USB power could be hard to do. The models share the same user manual, so they are likely very similar, but you'll want to look at the layouts and schematics carefully to see where your keyboard differs.
I could not find any technical data on the CTK-3000 keyboard, but I did find a service manual for the related CTK-2000 keyboard at. Either way, this seems like it would be a long project. Without further information on your setup, I am afraid that this is about all I have to offer at this time.I'm unclear on whether you want to make your CTK-3000 into a MIDI controller, where the keyboard would generate MIDI signals to control other instruments, or a MIDI module, where the device would generate sound based on incoming MIDI messages. If you do have multiple USB ports on your laptop, but are still having this problem, this could be a limitation of your laptop's hardware (BIOS ?), or most likely, a flaw with your Windows 10 build, that limits its ability to generate sufficient USB Root Hubs in the Windows Device Manager to satisfy user demand. I do this occasionally with my new Windows 10 laptop with no problems. If you have multiple USB ports on your laptop, you should be able to connect the external QWERTY keyboard and the music keyboard at the same time. The QWERTY keyboard should have no problem with this, but some music keyboards have problems working through a Hub. If this is correct, is it because you only have one USB port on your laptop? If so, you can try using a USB Hub. You appear to be attempting to connect an external "typing" (QWERTY) keyboard to your laptop at the same time you connect the CTK-3400SK, but are unable to do so.
In the interest of others, who may be following this latter part of this thread, I believe that I finally understand the problem you are describing.
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