U-20 ZONE


UPDATES ARCHIVE


February 2024

UTILITIES
     D-70 Review From Electronic Musician Magazine - An in‑depth review of the D‑70, the U‑20's big brother / September 1990


January 2023

INFO
     U‑20 Keyboard Repair - "Space‑age" polyiamide flexi‑PCB replacement + aftertouch fix now available
     Individual MIDI Channels - How to set MIDI channels for individual parts on the U‑20 and U‑220
     FIXED/VARIABLE Micro Slide Switch - Description and instructions for using that weird switch on the U‑220
     Custom 16‑Bank RAM Card - An amazing DIY multi‑bank RAM card for the U‑20 (and other Roland synths

UTILITIES
     U‑110 Parameter Tree Structure - A higher quality scan of Page 42 from the "U‑110 Owner's Manual"


October 2022

UTILITIES
     U‑20 / U‑220 Patch Reader v2.3A major update adds Patch + Timbre name displays for the U‑20 and U‑220


September 2021

INFO
     Video Review Of The U‑20 and U‑110 - Why these Rompler's were so popular in the 1990's



October 2020

UTILITIES
     Original U‑220 Factory Patch Breakdown (Fork) - 300 DPI scan of the 16‑page booklet included with every new U‑220



August 2020

UTILITIES
     Original U‑20 Sound Patch/Timbre Chart - 600 DPI high resolution scan of the Preset/Timbre laminated card



November 2019

UTILITIES
     U‑20 Reference Cards v.2019‑11‑14 - 8 New pages added to this 'quick‑look' guide



May 2018

INFO
     The Final U‑20 Firmware (v3.03) Is Now Available For Downloading



September 2017

UTILITIES
     Roland Service Bulletin For The U‑20 MASK ROM - Installation instructions for this weirdo ROM chip
     U-Series Vector Artwork - Logos and Buttons to spice up your webpages and documentation

INFO
     U‑110 Firmware (v2.03) Is Now Available For Downloading



March 2017

INFO
     U‑220 Power Switch Replacement - Part Numbers, Pics, Repair Tips and Vendor Info
     Boring Red LED's Replaced - Color coded LED's make visual ID easier - Blue/Green/Red/Orange/UV/Yellow
     "Roland U‑20, U‑220, & U‑110 Facebook Group" Link Added - Closed group discussions for U‑Series synths



October 2016

UTILITIES
     Spare Parts Cross Reference Chart - The SEARCH is on!



July 2016

UTILITIES
     SysEx File Verification Utility v1.(1b) - Great utility for synth/sampler SysEx file matching



March 2016

INFO
     Power Switch Replacements For U‑20 - Comparisons, Recommendations, Part Numbers and Specs
     EV‑5 Polarity Switch DIY - Schematic for modifying an EV‑5 to work with non-Roland gear



October 2015

UTILITIES
     U‑20 Control Jack Templates - Allows easy access to Audio Ports and Control Jacks on the back of the synth
     U‑20 Patch Reader v1.0Patch name display utility for listing U‑20 info. Works with any browser so there's no software to install


August 2015

INFO
     LCD Garbage Display Characters? - Don't despair... It's usually an easy fix
     How To Turn Active Sensing Off - A MIDI pulse over the wire every 300ms? No Thanks!
     Red Epoxy Syndrome - The red glue problem and how to fix it
     U‑20 Main Circuit Board Replacement - Swapping out a v2.00 ROM PCB with a v3.03 ROM PCB
     U‑110 And U‑220 Support Added - Specs, Tweaks, Images and Factory Resets

PATCHES
     U‑110 Factory Presets - This SysEx Patch file is included for U‑110 Patch editors and coding apps



July 2015

INFO
     SN‑U110 PCM Card Sound Charts - High resolution scans of all fifteen SN‑U110 PCM Card original inserts

UTILITIES
     D‑70 Review From Keyboard Magazine - "Keyboard Report" column in‑depth review of the D‑70, the U‑20's big brother / August 1990

BATTERY REPLACEMENT
     Test Procedures - U‑20/U‑110/U‑220, D‑70, Rhodes Model 660/760 battery tests and images



April 2015

UTILITIES
     U‑20 Reference Cards v.2015‑04‑03 - Commonly used menu items all in a 'quick‑look' guide
     User Tips - "Effective Memory Allocation For The Roland U‑20"
     Magazine Ad - U‑20 full page advert from 1990
     Keyboard Report - Keyboard Magazine in‑depth review of the U‑20 / January 1990


March 2015

     New U‑20 Homepage Goes Live!



All images, text, JavaScript and HTML Code ©1995- by llamamusic.com

U-20 ZONE     U-20 ZONE U-20 ZONE - BATTERY U-20 ZONE     U-20 ZONE

U-20 ZONE



llamamusic.com - Roland U‑20 Updates