Roland A-300PRO User Manual

SERVICE NOTES
Issued by RJA
Copyright © 2010 Roland Corporation
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.
CC-KWS17058671E0
Mar. 2010 A-300PRO, A500PRO, A-800PRO
Revise Information
Dec. 3, 2010 p. 3, p. 19 Added parts.
Jun. 27, 2011 p. 23 Corrected an error.
May. 30, 2012 p. 18 Changed supply unit.

Roland A-300PRO Specifications

General

Number of Keys	32
Aftertouch	Yes
Pads	8
Knobs	9
Faders	9
Buttons	16
Transport Buttons	Yes
Expression Pedal Jack	Yes
Key Type	Velocity-sensitive
MIDI I/O	In, Out
Pedal Inputs	2
Power Supply	USB bus power
Weight	3.5 kg

Summary

Product Specifications

Control Identification

Jack and Connector Locations

Keyboard Assembly Parts Lists

Keyboard Parts List (A-800PRO)

Keyboard Parts List (A-500PRO)

Keyboard Parts List (A-300PRO)

System Diagrams

Wiring Diagram

Block Diagram

Comprehensive Parts Listing

Connectors, Jacks, and Assemblies

System Operations and Maintenance

Version Check and Data Backup

Procedures for verifying version and backing up user data.

Keyboard and Control Map Management

Factory Reset and System Updates

Guides for performing resets and updating system firmware.

Diagnostic Test Mode

Test Mode Entry and Navigation

How to enter, navigate, and quit the unit's diagnostic test mode.

Test Item Selection and Execution

How to select and run specific diagnostic tests.

Detailed Test Procedures

System, Keyboard, and Velocity Tests

Procedures for testing system, keyboard length, and velocity response.

Control and Display Component Tests

Tests for buttons, LEDs, LCD, encoders, and switches.

Advanced Test and Operation Modes

Pad, Aftertouch, Bender, MIDI/USB Tests

Procedures for testing pads, aftertouch, bender, and MIDI/USB.

System Initialization and USB Power

Instructions for initializing the system and operating via USB power.