Question about Roland JUNO-D Synthesizer

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I wish to know how to open a Roland JUNO-D synth to access the little rubber strips with the key contacts; I have the typical key-not-sounding problem.

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Usually there are a number of screws from the bottom to remove. SOmetimes they hide some under a label or rubber feet. The top should remove and pone must be careful of the cables from teh top to the base of the unit.

Keep track of where screws go as often they have different length and using the wrong length when re-assmbling caan cause trouble.

Posted on Aug 08, 2010

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1 Answer

Where do I install the expansion card on Roland Juno stage


You install the expansion card to the bottom side of the Juno by removing screws. For detailed step by step instructions, I suggest that you refer to page 174 from the manual that you can download from: JUNO-G Owners Manual (JUNO-G_OM.pdf)

Apr 17, 2011 | Roland Juno Stage EXpandable Synth

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After several months of being stored i used my roland juno D to find that some of the keys didnt work. I cleaned the rubber contacts etc but they still dont work? and the ones that do are uneven volumes...


Did you clean these contacts with ONLY isoprophyl 99% alcohol and Qtips? If you used another product you may have spoiled the contacts. Also did you clean the circuit board where they contact with the same product?

If you used another cleaner, best to redo your work... quickly... Contact cleaners such as Deoxit and Blue shower destroy this type contact.

Mar 14, 2011 | Roland Juno-D

1 Answer

SOME OF THE KEYS ARE NOT GIVING ME SOUND


The key contacts have become contaminated. Disaasemble and find the contacts under silicone rubber domes. They are typically black conductive rubber pills, two per key. Clean them and the circuit traces they press against under them with ONLY 99% isoprophyl alcohol and Q Tips GENTLY. Then reassemble and test operation.

Feb 11, 2011 | Roland Juno-D

1 Answer

Some keys on my roland juno d wont sound. How do i fix this problem? Please help.


The key contacts need to be cleaned. They are usually conductive rubber pills in silicone domes that get pressed onto circuitboard traces by the keys. Disassemble to get at the contacts. clean ONLY with 99% isoprophyl alocohol and Q tips. Clean both the pills AND the circuit traces they contact.

Be very careful of cables when opening the unit. Document where all the screws go and their length and threads.

Nov 13, 2010 | Roland Juno-D

1 Answer

Some keys do not play and it is a relatively new keyboard with little play. I was going to take it apart myself but I need help with that. thanks


I would recommend taking it in to be repaired. If they service Roland products they will have access to any parts it needs. It sounds like the key contacts are damaged or dirty. In either case it is not easy to disassemble the Juno because of the internal wiring. It needs to be reassembled perfectly for it to work properly and it is easy to damage something during disassembly. Hope this helps.

Oct 23, 2010 | Roland Juno-D

1 Answer

Faurite buttons bushed there is a quarter note gap in sound in juno di how can i solve


Not sure what you mean by "buttons". IF you are trying to change voices, a lag between sounding of the old and new voice can be expected as the generators within the synth are reconfigured for the new voice. This is a lower-end synth and as a result doesn't haved the performance of some of the newer ones.

If the lag is just between notes that are being keyed using the same voice, that is too much delay and something is probably set wrong.

Oct 15, 2010 | Roland JUNO-D Synthesizer

1 Answer

I NEED TO KNOW HOW TO SET UP MY ROLAND JUNO D WITH MY AKAI MPC 1000, PARTICULARLY HOW TO SET UP THE MIDI ON THE ROLAND.


Simple way is MIDI out from Juno to MIDI in on MPC, then (depending on how you want to work), connect MIDI out from MPC to the in on the Juno. If you do this you MUST turn local control off on the Juno or else you'll get double triggers (internal + msg in from MPC). Now to record sequences on MPC , set MIDI to as track in setup window (on the 2500, this is accessed by pressing MODE then pad 9, then press button under the corresponding tab [on LCD]) then set your MIDI channel by port, meaning if your MIDI cable is physically connected to out A, in your LCD in bottom right corner it will show as follows: 1A. This indicates you are transmitting on MIDI channel 1; port A. Remember, MIDI IS NOT AUDIO!!!!! Since the Juno is a synth and not a workstation, all transport controls are handled by the MPC, that's pretty much it... Hope this helps a little, enjoy!

P.S. Go to mpc-forum.com its THE sh**! They also have links for their e-book I have one for the 2500 and its awesome!!!

Aug 16, 2010 | Roland Juno-D

1 Answer

My Roland Juno d has contact issues. I need to have the contacts cleaned once a year because I keep losing sound on some keys and some sound too softly. I am tired of shelling out $135 every year for a...


Answer:
Before i give you the right solution, i have to say that i have posted the answer to FIX the problem of all of the contact problems, people writing in how many of their keys are not working. And the post that they are showing is one that says to clean the contacts. That will not work.
Ok,
the answer.....
You can purchase a kit called Rubber contact kit here: http://www.mcmelectronics.com/product/20-3890&cid=prodCrossSell
or
Key contact Kit:
http://www.oaktreeent.com/Roland_Keyboard_Parts_Units.htm

These kit are made to re-coat the contacts on the keys. It will bring your board back to brand new condition and last as long if not longer than the original coating.
Also can be used for any rubber contacts like remotes or game controllers. etc.
This will work and i did mine after numerous times of taking the keys off and cleaning them.
I hope this gets out to all of you that are having the same problem.
Good luck

Jun 21, 2010 | Roland Juno-D

1 Answer

Roland juno-d, keys are either too loud or too


Normally you have to clean the conductive rubber "pills" AND the circuit board traces they get pressed down on.

USE ONLY 99% isoprophyl alcohol on Q-Tips to do the cleaning and be gentle.

Use of other product like deoxit and other contact cleaners will wreck the contact material.

Jan 11, 2010 | Roland Juno-D

4 Answers

Roland Juno D Keyboard Keys not sounding


The problem of the Juno-D is de rubber strips inside under the keysthere are 5 strips, you have to clean this rubber strips with alcohol and clean the board too, this will resolve your problem if you leave the Juno-D without playing for a long period you will get the same problem again. this is a very poor keyboard it,s a pitty that Roland Make so poor keyboard!!!!

Dec 16, 2008 | Music

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