Dave Smith Instruments SYNTHESIZERS

i had problemes too, it went from 1 to a dozen over some time
never had problemes with the parameter knobs
i did the dexoit thing like 4 months ago and still no problem anymore, 
works like new.
>  
>
>
>
> Any chance I can get the part numbers on those Alps encoders you used. 
> I'm thinking about doing the same thing to my PEK.
>
> --- In DSI_Evolver@yahoogroups.com 
> <mailto:DSI_Evolver%40yahoogroups.com>, "colossalhoagie" 
> <colossalhoagie@...> wrote:
> >
> > Sorry this turned into such a long winded response on this matter. 
> Hopefully it is helpful
> > to someone experiencing encoder frustrations.
> >
> > I too recently had trouble with multiple encoders on a MEK and ended 
> up laboriously
> > replacing every single one with a slightly different type of encoder 
> (i'll get to that in a
> > minute). Here are my +/- two cents.
> >
> > 1. I hate to say it by I doubt that the issue you are having is some 
> type of system wide
> > problem. I too was hoping for the same thing. It just seemed like 
> there were *way* too
> > many of the encoders that were not working properly. Now that all is 
> said and done I
> > realize that it was just a ton of degraded encoders. I get the 
> feeling that the encoders
> > that come of the MEK could be of much better quality. Internet/forum 
> searching seems to
> > indicate a fair number of difficulties and/or failures.
> >
> > Probably 10 of mine were "bad" and 10-13 more that were 
> "occasionally glitchy" and then
> > a few more that would on rare occasions jump. To qualify the term 
> "bad" I'll just say that
> > there was no way I would have used my MEK live. It would have been 
> embarrassing.
> > Crazy jumps in value would happen causing very noticeable changes in 
> audio. I would
> > turn knobs up and values would go down...bass vibrations would cause 
> value jumps.
> >
> > If you are under warranty you could contact them and they should 
> offer to do a board
> > swap (they did for me). Very, very easy to do.
> >
> > 2. When trying to diagnose the issues with my MEK and isolate which 
> encoders were
> > junked I am almost certain that I stumbled onto a bug in v. 1.3 of 
> the MAIN OS for the
> > MEK. I don't know if it applies to my particular revisions of PCB or 
> to all out there. I'm
> > actually dying to know if any other MEK users out there are 
> experiencing the following:
> >
> > When I would run v. 1.3 of the MAIN OS the "param 1" and "param 2" 
> knobs were nearly
> > impossible to use. When I reverted back to v. 1.2 which I found here 
> the "param 1" and
> > "param 2" encoders were again usable. I swapped out OSs about 10 
> times to make sure it
> > wasn't just a fluke. Totally repeatable. If you are on 1.3 you might 
> try reverting to 1.2 see
> > if it fixes any of your encoder touchiness.
> >
> > At one point I had mentioned this bug to DSI support in an 
> email...I'm not sure if anything
> > ever came of it on DSI's end. It was actually the two encoders 
> mentioned above that
> > prompted my requesting a board swap. Once I reverted to 1.2 and 
> things were slightly
> > better I told DSI to just forget about it for now and just deal with 
> it...
> >
> > 3. At some point I decided--warranty be damned--that I was going to 
> replace every
> > encoder with brand new, totally different encoders. I was pretty 
> dissatisfied with the ones
> > that shipped with the unit and I was convinced that even with new 
> boards that I would run
> > into the same issue down the road. So I dug around, did some 
> measuring with calipers,
> > read some stuff about encoders and decided to order a fleet of Alps 
> encoders from mouser
> > electronics (if anyone wants the part #s I'm more than happy to dig 
> them out).
> >
> > I went with 24 detent/24 pulses per rotation for the majority of 
> encoders and 12
> > detent/12 pulses per rotation for the param 1 & 2 as well as for the 
> two misc param knobs
> > (for those sensitive adjustments...).
> >
> > It was a long, tedious job that I wouldn't recommend unless you have 
> a solid amount of
> > soldering/desoldering experience, some patience, and some good 
> tools, solder, etc...
> >
> > Now everything works perfectly (better than when it first showed up 
> at my door IMHO) and
> > I really, really, really enjoy playing my MEK now. Oh, and the bug 
> mentioned above still
> > persists.
> >
> >
> > --- In DSI_Evolver@yahoogroups.com 
> <mailto:DSI_Evolver%40yahoogroups.com>, "J Lesser" <j.doerck@> wrote:
> > >
> > > Hmm... I guess I'm having a hard time believing its an encoder since
> > > it seems to be happening across ALL the knobs... Is there any
> > > possibility this is a system-wide issue?
> > >
> > > --- In DSI_Evolver@yahoogroups.com 
> <mailto:DSI_Evolver%40yahoogroups.com>, "dankselly" <dannyjive.u5@> wrote:
> > > >
> > > > I contacted DSI tech support and was told it was a bad encoder. I
> > > > ...
> > >
> >
>
> 


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