Roland JD-800 Resource Centre

22/2/2016

Roland JD-800 Resource Centre | donsolaris.com

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Roland JD-800 Resource Centre Posted by : Don Solaris On : March 20, 2014 Category: Tags:

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roland jd800, roland jd800

JD800 Software / Patches: Patch Organizer Free Patches http://www.donsolaris.com/?p=579 JD800 DAC Calibration:

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JD800 DAC Calibration: A noise can occur during long release times. If this is the case, you will need to calibrate the unit. Noise itself is the result of improperly trimmed DAC (digital / analog converter). Type of the noise we discuss here sounds somehow like a bitcrusher or a bad working noisegate – it’s not the hiss we talk about here. Here’s the procedure: 1. To Enter the Test Mode select MultiMode 2. Press and hold: Cursor Left, Cursor Right and then Exit buttons. 3. Use an instrument such as an oscilloscope to observe the output waveform of MIX OUT L on the rear panel. If you don’t have oscilloscope, you can use headphones and listen carefully with your ears. 4. Press [NUMBER 7] while holding down [EXIT]. 5. A sine wave with a relatively low sound volume should be output. 6. Make it a smooth sine wave by adjusting VR1 on the Jack board. JD800 Factory Reset Warning: this will delete all of your presets. Please dump them via sysex before doing this procedure 1. Press data transfer. 2. Page up to select factory preset. 3. Press YES. 4. Done. JD800 Brochures:

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Comments (2)

Chris Andrews October 27, 2015 at 23:04 Hi, re DAC, I get a crackling distortion sound as the effects fade away. I hadn’t investigated if it was a particular effect, but by using the Direct Outputs, dry, I get no crackling. Could that be the DAC? Thanks.

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Don Solaris October 28, 2015 at 17:15 I don’t know.

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