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  #1  
Old 05-09-2017, 02:01 PM
kuaise kuaise is offline
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Default Avid Artist Mix Replacement touch-sensitive rotary encoders

Hello,

I have a problem with potentiometer. One potentiometer is broken. Does anyone have any information about the spare part of that device? Model or where to order!

Regards
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  #2  
Old 05-10-2017, 07:33 AM
EddieJones's Avatar
EddieJones EddieJones is offline
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Default Re: Avid Artist Mix Replacement touch-sensitive rotary encoders

They are encoders not pots and they are hard to replace unless you have good soldering skills. Customer Service may be able to get you one if you call them, let me know if not.
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Old 05-10-2017, 08:14 AM
kuaise kuaise is offline
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Default Re: Avid Artist Mix Replacement touch-sensitive rotary encoders

I can pick one broken mix and see how it is connected to pcb. thanks...
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  #4  
Old 05-11-2017, 06:02 PM
robertg robertg is offline
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Default Re: Avid Artist Mix Replacement touch-sensitive rotary encoders

I was able to restore the knob functionality of my MC control with DeoxIT Gold G5.
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  #5  
Old 05-26-2017, 12:19 PM
Oleef Oleef is offline
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Default Re: Avid Artist Mix Replacement touch-sensitive rotary encoders

One of my rotary encoders on my Artist Mix Black is malfunctioning as well. The rotation and push down is OK, but it does not sense the touch of my finger, so it will not pan anymore.

I opened up the mixer, but found that I have to solder out the encoder to see what type it is. The encoder has 2 wires on top, 3 wires on bottom and 2 large ground tabs on the sides. I'm kind of reluctant to do this before I know I can get a replacement.

(There are 4 ground tabs to unsolder to get behind a metal shielding that covers the front, other that that it was just torx and phillips screws to open the Artist Mix)

Front of encoder:
Back of encoder, with markings to what I have to unsolder
Front of the Artist Mix:
Back of the Artist Mix:
Another view of the encoder:
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  #6  
Old 05-26-2017, 03:34 PM
hanksinclair hanksinclair is offline
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Default Re: Avid Artist Mix Replacement touch-sensitive rotary encoders

An encoder like that in your artist mix gives pulses on rotation and closes a contact by pushing the axis.

But the sensing of the touch of your finger is not a function of the encoder.

Btw I have the same problem with one of my encoders (no touch sense).

If we could get a circuit diagram from AVID (Eddie: please help), I think I could explain the way it works and eventually we both were able to repair the device. If Eddie cannot help us the only way would be to analyze the PCB, but this is much more complicated than working with a circuit diagram.
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  #7  
Old 05-30-2017, 10:59 PM
hanksinclair hanksinclair is offline
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Default Re: Avid Artist Mix Replacement touch-sensitive rotary encoders

@ Eddie:

Do you think it's possible to get the circuit diagram of Artist Mix from AVID?

Or maybe only an excerpt of the part which is responsible for the touch detection?
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  #8  
Old 05-30-2017, 11:24 PM
Darryl Ramm Darryl Ramm is online now
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Default Re: Avid Artist Mix Replacement touch-sensitive rotary encoders

The capacitive touch sensor IC will be the surface mount IC on the other side of the PCB just behind the encoder. Got a part number? The photo was not clear. A circuit diagram may not be much help. You should be able to work out what is going in from the chip and or just try replacing it if nothing obvious look wrong (connections look OK? power supply at chip is OK. SMT bypass caps and resistors are OK. etc.). Should be no need to desolder the encoder.
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  #9  
Old 05-31-2017, 12:16 PM
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EddieJones EddieJones is offline
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Default Re: Avid Artist Mix Replacement touch-sensitive rotary encoders

Note: This is unsupported by Avid and any damage to your unit is your responsibility.

To find out whether the encoder or the IC is the issue, with the unit running touch one of the larger Encoder solder mounts (the 2 either side, not the smaller pair or 3 at the top and bottom of the picture above).
If the touch works its the encoder that's faulty, if not its the IC.

The Encoder is an Alps EC11E24144 the IC an Atmel QT113B
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  #10  
Old 05-31-2017, 12:24 PM
Darryl Ramm Darryl Ramm is online now
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Default Re: Avid Artist Mix Replacement touch-sensitive rotary encoders

Wow, great support Eddie!
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