Broken or dead keys on Akai MPK25 ? - Heres your Cheap fix
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  1. #1
    Tech Guru deevey's Avatar
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    Default Broken or dead keys on Akai MPK25 ? - Heres your Cheap fix

    A while back I bought a non-working Akai MPK25 for the huge price of $70 with 3 keys not working correctly (assumed dirt or carbon) after trying a Carbon Contact repair, which did not work, I tested all the diodes and contacts on the board, there were some issues here and the only solution was a replacement Keybed. Unfortunately the AKAI replacement part is $110 + shipping so I went looking for alternatives rather than spend $180 on a S/H MPK which would be insane !

    On the Akai forum someone had mentioned the Midiplus Origin 25 has a direct replacement board (OEM M-AudioOxygen Mk1 I believe) also made by TaHorng in Taiwan.

    Now MPk's tend to have 2 main issues with the keyboard, firstly on the keys the plastic retainers breaking and then the Keybed Carbon wearing out (repair kits are expensive and messy).

    So if you experience either of these issues this might be for you.

    So I hunted on Amazon and found what looked exactly the same as the Origin25 - the "Badaxx" OR25 ... arrived today and lo and behold the entire keyboard fits right in, the keys, while the don't feel quite as good as the Akai, are a direct replacement also (and over $5 a piece for replacements!)

    However the Badaxx does not have aftertouch, so installed just the circuit board of the Badaxxinto my Akai rather than the entire keyboard area and it works perfectly.

    Also have an entire key set as replacements now for the future

    The Badaxx keyboard is currently listed at only $44 So there you go - cheap repair for your Akai MPK 25

  2. #2
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    Default mpk deadkeys

    Thanks for the info deevey! I completed the fix and now my board is playable once again. Like you said, the m-audio oxygen (mark 1) circuit board works. I replaced the board onto my mpk, keeping the mpk keys in place.

    I wasn't about to give up on the mpk when I went through the trouble of adding the sensitivity kit to the pads and spending over a hundred only for a few keys to stop working.

    I haven't tested if the aftertouch still works with the new circuit board in place, but I guess it should. I don't remember seeing any difference in the key sensors or the circuit board to make me think that aftertouch won't work. I just haven't used it but once or twice since fixing it and I'm not entirely sure how to really test the aftertouch.
    Last edited by Blarney; 03-04-2018 at 05:05 AM. Reason: adding a thanks

  3. #3
    Tech Guru deevey's Avatar
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    Quote Originally Posted by Blarney View Post

    I haven't tested if the aftertouch still works with the new circuit board in place, but I guess it should. I don't remember seeing any difference in the key sensors or the circuit board to make me think that aftertouch won't work. I just haven't used it but once or twice since fixing it and I'm not entirely sure how to really test the aftertouch.
    Glad it worked for you

    A sweeping synth sound should enable to you to check if aftertouch is working fairly easily..


  4. #4
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    Default mpk-a-ok

    Right on, I will definitely dig it out and give it a try with some synth sounds! I just got an arturia keystep recently which is smaller and lighter, but it doesnt have the pads or the "badaxx" feel the mpk does😎

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