Replacing Apc-40 encoders with push button encoders from MPK/MPD?

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Replacing Apc-40 encoders with push button encoders from MPK/MPD?
Posted on: 11.07.2012 by Steven Elton
Has anyone tried to replace the device and track control encoders on the APC-40, With the push button bank encoders from the MPD-32 or MPK-25,49 etc. I'm not sure why Akai didn't believe of this as a standard feature, since they already had the technology from previous controllers. Having the push button functionality would work great as a way to kill frequency or select items. I'm not sure it can even be done, If so I'm believeing it would probably take a bit of software programing. I'm sure there is someone out there up to the challenge, in which case I'd would pay someone to do. I spent 2 weeks trying to learn code. I started to feel like a mad scientist staying awake all hours reading and it drove my wife insane. I believe sometimes my wife would rather i spend my time at strip clubs or with another woman, Then in my studio screwing around with music and gear. If anyone has accomplished this, tried or thought of doing this. Please let me know. Maybe someone with midi fighter experience could help.
Steven Elton
12.07.2012
Originally Posted by deevey
They are soldered to the circuit board - check the APC80 videos for a look inside.

Design of relatively cheap controllers is not based on user upgradability or replacing parts.
I know that... I just figured with the countless years Akai has been manufacturing the MPC, They would have applied technology and engineering from readily available components, This is a standard manufacturing technique.
The majority of companies whether it's Honda or Pioneer know the best way to continue building quality units and remain profitable at the same time, is to adapt old parts to work on new models. The idea of push button knobs could have even raised the price point on the unit an extra $50-$100. In the mean time absorbing old inventory that is more then likely laying around the manufacturing plant. I know that this is neither here nor there. I know we're getting off subject. If it can't be done it can't be done. Hopefully on future models. Akai will look to doing this. I know a lot of people were put off by the lack of endless encoders as a standard feature, this would be a great way for, the company to kill two birds with one stone.
Rolanda Clodfelder
12.07.2012
Originally Posted by Grant Carlisle
I see.. I'm going take my Apc-40 apart to see what it looks like between the Knobs and circuit board as far as Clarence. I didn't know if the knobs were directly connected to the board or are connected to the circuit board via wires. Can anyone tell me off the bat whether or not these knob are directly soldered to the circuit board or not. One would believe that they attached by wire to make replacement easier. At least thats how i would have constructed the knobs. Then again if, I remember the rotary kit for my mixer the knob was attached straight to a circuit board. I'm guess this is the same case for a lot of these knobs/encoder being directly soldered to the circuit board they control. I wonder why they decided to use to separate knobs?
They are soldered to the circuit board - check the APC80 videos for a look inside.

Design of relatively cheap controllers is not based on user upgradability or replacing parts.
Steven Elton
11.07.2012
Has anyone tried to replace the device and track control encoders on the APC-40, With the push button bank encoders from the MPD-32 or MPK-25,49 etc. I'm not sure why Akai didn't believe of this as a standard feature, since they already had the technology from previous controllers. Having the push button functionality would work great as a way to kill frequency or select items. I'm not sure it can even be done, If so I'm believeing it would probably take a bit of software programing. I'm sure there is someone out there up to the challenge, in which case I'd would pay someone to do. I spent 2 weeks trying to learn code. I started to feel like a mad scientist staying awake all hours reading and it drove my wife insane. I believe sometimes my wife would rather i spend my time at strip clubs or with another woman, Then in my studio screwing around with music and gear. If anyone has accomplished this, tried or thought of doing this. Please let me know. Maybe someone with midi fighter experience could help.
Steven Elton
12.07.2012
Originally Posted by deevey
They are soldered to the circuit board - check the APC80 videos for a look inside.

Design of relatively cheap controllers is not based on user upgradability or replacing parts.
I know that... I just figured with the countless years Akai has been manufacturing the MPC, They would have applied technology and engineering from readily available components, This is a standard manufacturing technique.
The majority of companies whether it's Honda or Pioneer know the best way to continue building quality units and remain profitable at the same time, is to adapt old parts to work on new models. The idea of push button knobs could have even raised the price point on the unit an extra $50-$100. In the mean time absorbing old inventory that is more then likely laying around the manufacturing plant. I know that this is neither here nor there. I know we're getting off subject. If it can't be done it can't be done. Hopefully on future models. Akai will look to doing this. I know a lot of people were put off by the lack of endless encoders as a standard feature, this would be a great way for, the company to kill two birds with one stone.
Rolanda Clodfelder
12.07.2012
Originally Posted by Grant Carlisle
I see.. I'm going take my Apc-40 apart to see what it looks like between the Knobs and circuit board as far as Clarence. I didn't know if the knobs were directly connected to the board or are connected to the circuit board via wires. Can anyone tell me off the bat whether or not these knob are directly soldered to the circuit board or not. One would believe that they attached by wire to make replacement easier. At least thats how i would have constructed the knobs. Then again if, I remember the rotary kit for my mixer the knob was attached straight to a circuit board. I'm guess this is the same case for a lot of these knobs/encoder being directly soldered to the circuit board they control. I wonder why they decided to use to separate knobs?
They are soldered to the circuit board - check the APC80 videos for a look inside.

Design of relatively cheap controllers is not based on user upgradability or replacing parts.
Steven Elton
11.07.2012
I see.. I'm going take my Apc-40 apart to see what it looks like between the Knobs and circuit board as far as Clarence. I didn't know if the knobs were directly connected to the board or are connected to the circuit board via wires. Can anyone tell me off the bat whether or not these knob are directly soldered to the circuit board or not. One would believe that they attached by wire to make replacement easier. At least thats how i would have constructed the knobs. Then again if, I remember the rotary kit for my mixer the knob was attached straight to a circuit board. I'm guess this is the same case for a lot of these knobs/encoder being directly soldered to the circuit board they control. I wonder why they decided to use to separate knobs?
Rolanda Clodfelder
11.07.2012
I'm not sure it can even be done, If so I'm believeing it would probably take a bit of software programing
Pretty sure push button encoders work as 2 separate control outputs (button+encoder) so Akai would need to allow the 16 additional push button headers physically on the board.

Also on the APC they are not encoders - rather they are endless knobs (no sensitivity / acceleration) the only true encoder is the Cue/level.

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