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Specific cleaning spray product for knobs
Hello everyone
I have to clean the inaccurate knobs (jump many values) of my arturia beatstep with a circuit / contact solution or with isopropyl alcohol, as suggested by the technical support.
As there are so many on the market I am very confused.
Can someone who has had to do the same thing tell me the specific name / brand for the product in question?
Thank you so much
Comments
Servisol super 10
Came recommended by someone technical. Seems very good, though might be UK only, not sure.
Check out this thread for a bunch of replies that might help you find what you need in your area.
https://eevblog.com/forum/beginners/what-to-use-for-cleaning-switches-pots-and-rotary-encoders/
Getting something from a good electronics supply place like Mouser is good if you can.
The Beatstep is rotary encoders and not pots? That might complicate things as there are different types of rotary encoders. Most are just sets of switch contacts and will clean up with a lubricating cleaner. There are some though that are either optical or even active electronics. Either of those could be more touchy to deal with.
Deoxit is magic for jumpy pots and encoders with metal connections. I’ve cleaned hundreds of pots on mixing consoles and just about anything audio related. Usually I like to clean with D-5 and then finish with a spray of Deoxit Gold (make sure to turn your knobs 50-100 times after each spray) It’s a bit expensive but if you aren’t running a repair shop a can will probably last you a lifetime.
I found the super 10 servisol.
can it be good in your opinion?
How do use?
does it apply directly to the space below the knobs? or do you have to remove the knobs?
will the knobs become accurate afterwards
Careful, there are a lot of Brits here. Let’s be clear about what kind of knobs are being discusssed.
pots & knobs, equally and deliberately misunderstood words
Rotative encoder?
Servisol super 10 will work?
It won't do any harm and as that's the advice I'd give it a go.
I used to use 'tuner cleaner' back in the day.
the precision of the knobs is improved with isopropyl alcohol, only on two knobs unfortunately.
tomorrow comes the specific spray for circuits and contacts, servisol super 10.
tomorrow i try it on potentiometers.
However BeatStep has rotary encoder.
would i solve the situation with servisol super 10?
I am afraid to use it because I am reading on various forums and articles that it is not safe for plastic and this:
https://www.google.it/amp/s/www.musicradar.com/amp/tuition/tech/how-to-fix-crackly-pots-and-faders-on-synths-and-mixers
But refers to pots not to rotary encoders
This encoders of BeatStep
Deoxit is the best solution.. A bit expensive, but its' miracle stuff for electronics.
there are many deoxit I've seen.
which type to take for rotary encoders?
however, in addition to the high price, deoxit is difficult to find outside the US market.
I can't tell for sure, but I'm guessing by the circuits on the board that those are standard switch based rotary encoders. The circuits nearby to the encoders look like they are Schmitt triggers to debounce the switching contacts in the encoders before they go to the processor. That's just a guess though.
Rotary encoders that work that way have an encoding in the switching as you turn the encoder. The processor uses the encoding to tell which way the knob is being turned and how fast. If the switching contacts aren't made in the right order, then the info is out of sequence to the processor. This will make the response jumpy.
The first thing I would check is if there is wobble in the shafts. If the encoders that are not working are wobbling too much, then cleaning them isn't going to fix the issue.
If there's physical gunk in the encoders, you might be able to just blow them out with compressed air (like from a computer store type air can). This probably won't work.
The DeoxIT website says that two to use on encoders are D5 and F5. The D5 is used for cleaning oxides and sulfides off of the contacts. The F5 is then used for flushing and lubrication. If the contacts didn't have any surface gunk on them, then the D5 isn't doing much.
Depending on which beatstep you have, adding up the price of all this you are getting to a significant portion of the price of the device. My personal path would be to wiggle the controls and see if there is too much play. If there is lots, then I'd consider the beatstep to be done for anyway, so I'd try the can of air first. If that didn't work, I'd probably hit it with isopropyl or Everclear. I'd try it on one encoder only at first. If I had some of the deoxit D5 (or equivalent) handy, I'd try that before the alcohol. But, one thing to consider is that those encoders don't look like they are designed to be serviced. They aren't like an old school pot or switch where it's east to get the cleaner in to the contacts.
The link I put in above suggests that Cramolin is a brand that is essentially equivalent to Caig (deoxit) that is available in Europe. 3M is another company that has very similar products, but you are probably only going to find them at industrial type supply places. (Like Mouser here in the US.)
I checked at Banzai Music in De and they do have DeoxIT D5 as well as various other of their products. I used to buy stuff from Banzai when I was in the UK and they were good at shipping things. For a big supplier, you might want to checkout https://www.farnell.com for a location in your region. They'll have various different contact cleaners.
"Deoxit fader" but only if this is for something that stays clean and not traveling.... Nothing better than the fader version but it makes it more liable to traping things like sand or food particles. So only if its a clean working environment
As others have mentioned. I always have one handy.
thank you very much for your reply.
however, with isopropyl alcohol into the small opening at the base of the encoders, two knobs started working well again, the other two didn't.
on farnell I took the super 10 servisol.
while of deoxit on farnel alone this
https://en.farnell.com/deoxit/d100l-25c/contact-cleaner-25ml/dp/3378095?st=Deoxit
Do you have the Servisol Super 10 already? If the isopropyl didn't damage the encoders, then the Servisol will most likely be OK too. I'd try it if I had it already.
Farnell is really specific to your location for what they have available. They have lots of local warehouses/distributors in different regions from all the other electronics companies they've bought up. You have to choose your region first before doing a search.
If the isopropyl worked on a couple of the encoders, then maybe repeated applications will help the two that didn't repond at first.
Deoxit is my goto
the super 10 servisol arrives tomorrow.
So what do you suggest to try again with isopropyl alcohol (70%)?
if the others two knobs do not work again, I try to apply the super 10 servisol?
thanks again for your help
Deoxit for all electronics. There are different types for different uses.
With the two encoders that didn't work after the isopropyl, I'm wondering if the alcohol didn't work its way down to the switch contacts. Or maybe those two had a heavier layer blocking the electrical path. Since you have the Super 10 coming tomorrow, I might wait to use it. It depends on how much you think the isopropyl got into the encoders and down to the contacts.
The other thing to consider is that the isopropyl might take out any lubrication that the switch contacts have. So, you might want to get some lubrication in there anyway. I've never used the Super 10 stuff, but it is supposed to have lubricant from what I've seen. If it is the possibility of hurting the plastics in the body of the encoders that has you worried about using it, you could try spraying a little onto some cotton pad or something like that and then applying a little to the outside plastic body of the switch and see if it does anything bad.
i finally solved.
with servisol super 10 encoders that weren't working well now respond accurately.
thank you very much again for the support.
Nice! Happy to hear that it's working well for you again. If you haven't done it already, it's probably a good idea to use a little of the Super 10 on the two encoders that worked after the isopropyl so that they get a bit of lubrication too.
Has anyone tried Servisol Super 10 or one of the DeoxIT offerings on a Waldorf Blofeld's encoders?