Roland JD-990 Resource Centre

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Posted by : Don Solaris On : March 20, 2014 2

Category: rolandTags: jd990, roland jd-990

Roland JD-990 Resource Centre

JD-990 Software / Patches:

Patch OrganizerPatch Converter JD-800 -> JD-990

N a v i g a t i o n
http://www.donsolaris.com/jd/jd990.ziphttp://www.donsolaris.com/jd/pc89.exehttp://www.donsolaris.com/jd/jd990.exehttp://www.donsolaris.com/?tag=roland-jd-990http://www.donsolaris.com/?tag=jd990http://www.donsolaris.com/?cat=15


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Free Patches (61 bank total)JD-800 Factory Patches (converted to JD-990 format)

SR-JV-04 Vintage Expansion JV patches*SR-JV-04 Vintage Expansion JD patches

*can be used in any Super JV, XP and XV synthesizer, and in JD990 of course.

Vintage Expansion Patches HackWell not a hack, more like a work around. If you own JD-990 and a Vintage Expansion then bynow you probably know you can not load its patches directly as you do regular presets. Insteadyou have to initialize the sound, then go to the card selection, etc. To simplify this a bit, in aboveSYX file titled SR-JV-04 Vintage Expansion JD patches you will find 4 SYX dumps. These originatefrom the Vintage Card. So now you can simply send them to your JD and have them in normalaccess mode, since they will occupy User RAM area. Downside is, the hack works for only 64patches at a time. But, as they say: better something than nothing. Simply write down thepatches you like / favour, repeat the same step for other three banks. Then use Patch Organizer(included on this page) to build your own compilation of 64 favourite Vintage Expansion patches.

JD-990 DAC CalibrationA noise can occur during long release times. If this is the case, you will need to calibrate theunit. Noise itself is the result of improperly trimmed DAC (digital / analog converter). Type of thenoise we discuss here sounds somehow like a bitcrusher or a bad working noisegate its notthe hiss we talk about here. Heres the procedure:

1. Open the top cover of JD-990.

2. With the JD turned off, hold down INC + DEC buttons then turn power on.

3. This should get you into the test mode.4. Then press UTILTY + F3. This gets you into the MSB Adjustment page.

5. Make sure the volume control is at maximum. (Watch out you speakers!)

6. Press the value knob, a 440hz sine-wave is produced.

7. Use an instrument such as an oscilloscope to observe the output waveform. If you dont

have oscilloscope, you can use headphones and listen carefully with your ears.

8. Adjust VR1 to obtain a smooth sine wave.

9. The VR1 is located on the main board, top right side of it (if JD is placed with its front side

facing you). In fact it is the only trimmer potentiometer there.
http://www.donsolaris.com/jd/sr-jv80-04_jd.ziphttp://www.donsolaris.com/jd/sr-jv80-04_jv.ziphttp://www.donsolaris.com/jd/jd800factory.syxhttp://www.donsolaris.com/jd/jd990.zip


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JD-990 Factory ResetWarning: this will delete all of your presets. Please dump them via sys-ex before doing thisprocedure

1. Hold Exit and press Utility.

2. Screen says Internal ALL = Factory Preset.

3. Press Execute (F6).

4. Press YES (F5).

5. Done!

JD-990 brochure:
http://i1290.photobucket.com/albums/b528/DonSolaris/jd990_br4.jpghttp://i1290.photobucket.com/albums/b528/DonSolaris/jd990_br3.jpghttp://i1290.photobucket.com/albums/b528/DonSolaris/jd990_br2.jpghttp://i1290.photobucket.com/albums/b528/DonSolaris/Webpage/jd990_br1.jpg


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Comments (2)

Mike L.

November 6, 2015 at 05:47

Hey Don,

Thanks for the JD-990 patches. Sorry to observe that I am the first to thank you for

them. I didnt realize you have a reply section until yesterday. Ive seen you around different

gear/sound forums but never realized you have your own site.
http://i1290.photobucket.com/albums/b528/DonSolaris/jd990_br5.jpghttp://www.donsolaris.com/?p=172http://www.donsolaris.com/?p=579


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Reply

Reply

I downloaded your banks a while ago then imported them into Sounddiver 3.0. Ill be frequenting it from

now on.

Nice site btw great info.

Mike

Jon

January 2, 2016 at 09:36

Just downloaded the free patches and Ill thank you in advance. When I

heard the previews of your paid patches, I bought a 990 instantly and now

own another synth Ill never part with. In love with the 990 and now to buy your paid

patches!!

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Synthesis types

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Documents

Roland JD-990 Resource Centre