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Author Topic: Encoders used?  (Read 117 times)

GregNouveau

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Encoders used?
« on: October 08, 2014, 10:47:35 am »
Hi all!

I have been a happy user of the V-Collection for ages now: it is my go-to analog solution when I start a track!

I've been researching buying an Origin Keyboard recently, and obviously have stumbled upon the reliability / customer service issues.....

This has caused me some concern about buying one: I don't want to be left with a 2k doorstop....and tbh, I just cannot be arsed with dealing with intermittent problems in the studio.....

......its taken a LONG time to get myself a setup that is (almost!) 100% reliable.... ;-)

So..can anyone shed light on EXACTLY what goes wrong with the encoders?
Is it not possible to replace them with a quality item, repair the actual encoders, or something along these lines?

I am a decent electronics / mechanical engineer, and have repaired stuff you wouldn't believe in my time.....

I'm sure a cheap Chinese PCB cannot present insurmountable issues...? ;-)

..as long as the firmware is ok, that is..?

Any long standing issues?

Has anyone had one apart?  What type are the encoders.....

Any info appreciated: manufacturers part numbers of the encoders would be a good start....

G.

DrJustice

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Re: Encoders used?
« Reply #1 on: October 09, 2014, 03:32:42 am »
Our esteemed member hermitnerd has identified the Big Knob encoder here (a Bourns PEC16-4220F-S0024).

The encoders can of course be replaced, fixed or even upgraded if you can find a similarly specced item with the same mechanical dimensions. I've had my Origin apart, but didn't take note of the encoders (was looking to replace the fan with something a bit more quiet - any tips there, folks?). I know hermitnerd is about to replace the Big Knob encoder - if you're reading this, hermitnerd, perhaps you can check which types the other encoders are?

I'd like to get some replacement encoders myself, as an "insurance"... The LCD screen and associated driver circuitry is also something I'd like to be able to replace if it goes south. I reckon the rest of it has the potential for lasting a long time.
« Last Edit: October 09, 2014, 05:19:04 am by DrJustice »

GregNouveau

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Re: Encoders used?
« Reply #2 on: October 09, 2014, 09:43:36 am »
That's useful info....

Are the other encoders the same part number?
I'm assuming that its the big knob takes the hammering, mainly, hence it failing?

I'm staggered that such a high-use part is so flimsy, especially as it has such a large mass knob attached to it.!?

These are 89p on Farnell! I was expecting it to be a far more robust part....

iirc, the Roland alpha wheel parts are much more substantial.....?


Is the screen interface a standard one: I notice future screen replacement has been mentioned, too...

DrJustice

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Re: Encoders used?
« Reply #3 on: October 09, 2014, 04:49:11 pm »
I would think that the other encoders are also Bourns PEC16 series (they come with and without detents and push switch) - that would make sense from a design and logistics standpoint (waiting for hermitnerd to report...  :P). The PEC16 series is the most durable mechanical encoder from Bourns with a rating of 200k revolutions minimum. It would've be nice with optical encoders, at least for the big knob, but they cost quite a bit more...

I've had the Alps encoders on my Roland JD-990 "disintegrate" - i.e. they also use mechanical encoders, no more sturdy than the Bourns in the Origin (they might have been Alps EC12 series IIRC, rated at far less revolutions than the ones in the Origin big knob). 

JacksonP

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Re: Encoders used?
« Reply #4 on: October 09, 2014, 06:02:31 pm »
I think it's important to point out that replacing encoders isn't easy task with Origin. I remember well having many encoder issues with my first Origin. I brought my unit to local repairer which is trusted by companies like Roland, Yamaha or Clavia. And this repairer has fixed many of my synths over the years. With my Origin they could not do anything at that time.

I really hope that Arturia will give us information which is needed when repairing Origin. It's about identfying the correct replacement parts but also instructions how to do these actions. This is very important because Origin has obvious typical malfunctions including big knob, encoder and perhaps LCD problems.

Personally I already got some information from them about big knob and LCD. Funny thing is that my LCD has been very healthy since then. So at the moment I am not in hurry. Big knob issue is very annoying but I think I can still tolerate it little longer. In future I think I'll try to fix both LCD and big knob with same repair. Also, I am very curious how it goes with Hermitnerd's brave project.  ;)

rcmusic

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Re: Encoders used?
« Reply #5 on: October 09, 2014, 06:55:34 pm »
I am very curious how it goes with Hermitnerd's brave project.  ;)

He has just sorldered his brain into Origin. Philippe is working on a new OS, the main feature will be Hermitnerd's randomizer function so we can have all the patches that are floating in his head ! ;-)


GregNouveau

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Re: Encoders used?
« Reply #6 on: October 10, 2014, 01:19:25 pm »
Good info..!

I was thinking of basically using an optical encoder on the "big"? It seems like that is the one that takes the hammering, especially as it is also a switch..?!  :o

Is the actual "knob" part of the encoder well supported? ie: if you try and bend the shaft from side to side, does it move (much)..?

Maybe replacing the knob itself with a type that rotates within the panel hole, rather than hanging off the shaft, and replacing the 89p encoder with a new one, would offer a much longer-term solution?

As I say, I don't actually have an Origin (yet!)..so I don't know the full story.....

But I'm already drafting up something in Solidworks as a preliminary solution, maybe...... ;-)

hermitnerd

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Re: Encoders used?
« Reply #7 on: October 29, 2014, 04:06:36 pm »
I am very curious how it goes with Hermitnerd's brave project.  ;)

He has just sorldered his brain into Origin. Philippe is working on a new OS, the main feature will be Hermitnerd's randomizer function so we can have all the patches that are floating in his head ! ;-)

  ;D

 

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