Roland GP-10 - User Manual

SERVICE NOTES
Issued by RJA
Copyright © 2014 Roland Corporation
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.
CC-KWS17058926E0
Jun. 2014 GP-10
Table of Contents
Cautionary Notes ..............................................................2
Specifications .....................................................................2
Location of Controls (Front) ............................................4
Location of Controls (Front) Parts List...........................4
Location of Controls (Rear)..............................................5
Location of Controls (Rear) Parts List ............................5
Exploded View ..................................................................6
Exploded View Parts List.................................................7
Disassembly Procedure....................................................7
Plane View (View 1, 2)......................................................8
Plane View (View 3)..........................................................9
Plane View (View 4)........................................................10
Exploded View (Fig. A)..................................................11
Exploded View (Fig. B)...................................................12
Wiring Diagram/Block Diagram..................................14
Parts List ...........................................................................16
Verifying the Version......................................................18
Virus Check......................................................................18
Data Backup and Restore Operations ..........................18
Performing a Factory Reset............................................18
Updating the System ......................................................19
Test Mode.........................................................................19
Circuit Board (Main Board) ...........................................24
Circuit Diagram (Main Board: 1/4)..............................26
Circuit Diagram (Main Board: 2/4)..............................28
Circuit Diagram (Main Board: 3/4)..............................30
Circuit Diagram (Main Board: 4/4)..............................32
Circuit Board (Panel, GK, Exp, Enc Board) .................34
Circuit Diagram (Panel, GK, Exp, Enc Board) ............36
Revise Information
Dec. 16, 2014 p. 21 Corrected errors.

Roland GP-10 Specifications

General

Brand	Roland
Model	GP-10
Category	Music Pedal
Language	English

Summary

Revision Information

Cautionary Notes and Warnings

User Data Backup Procedure

Procedure to back up user data before service operations to prevent data loss.

Component Replacement Guidelines

Guidelines for replacing components, emphasizing direction and attachment.

Parts List and Availability

Parts Not Supplied for Service

Reasons why certain parts may not be available as service parts.

Circuit Diagram Conventions

Circuit Diagram Abbreviations

Explanation of 'NIU' (Not in Use) and 'UnPop' (Unpopulated) in circuit diagrams.

GP-10 Technical Specifications

Modeling and Effects Specifications

Details on modeling types, effects, and their quantities.

Input;Output and Connectivity Specs

Specs for connectors, power, dimensions, and impedance.

Front Panel Controls Overview

Front Panel Parts Identification

Component list for the GP-10's front panel controls.

Rear Panel Controls Overview

Rear Panel Parts Identification

Component list for the GP-10's rear panel controls.

Exploded View of GP-10 Assembly

Exploded View Parts List

GP-10 Disassembly Instructions

Step-by-step instructions for disassembling the GP-10 unit.

GP-10 Plane Views (1 & 2)

Plane View 1 Component List

List of parts identified in Plane View 1 of the GP-10.

Plane View 2 Component List

List of parts identified in Plane View 2 of the GP-10.

GP-10 Plane View (3)

GP-10 Plane View (4)

Exploded View Figure A Details

Parts for Exploded View Figure A

List of parts for the Exploded View Figure A of the GP-10.

Exploded View Figure B Details

Parts for Exploded View Figure B

List of parts for the Exploded View Figure B of the GP-10.

Wiring and Block Diagrams

Complete Parts List

Casing and Structural Parts

List of parts related to the unit's casing and structure.

Switch and Jack Components

List of switch and external connector components.

Miscellaneous and Accessory Parts

Screws, Nuts, and Washers

Detailed listing of screws, nuts, and washers used in assembly.

Standard Included Accessories

List of standard accessories supplied with the GP-10 unit.

System Version and Safety Checks

Virus Check Procedure

Guidance on checking for and handling viruses on the GP-10.

User Data Backup and Restore

Steps for backing up and restoring user data via MIDI.

Performing a Factory Reset

Instructions for resetting the GP-10 to its factory default settings.

System Software Update Procedure

GP-10 Test Mode Operations

Procedures for entering, quitting, and selecting test items.

Test Item: Version and Device Checks

Test Item: Current Consumption & USB Check

Verifies current draw and USB connection functionality.

Test Item: Encoder, LCD, and Switch Checks

Tests encoder, LCD display, switches, and LEDs.

Test Item: VR, GK, and Audio Checks

Test Item: VR Input and GK Switch Verification

Checks VR input and GK switch/volume control functionality.

Test Item: Output Waveform Verification

Verifies output signal waveforms for various jacks.

Test Item: Audio Signal and Mute Checks

Test Item: AF-AD and Mute Operation

Verifies AF-AD signal and mute function operation.

Test Item: GK Input Signal Verification

Tests input signals from the GK pickup and related controls.

Test Item: Shock, Calibration, and Reset Tests

Test Item: Shock and Calibration Procedures

Tests durability and calibrates expression pedal input.

Test Item: Factory Reset Confirmation

Confirms the factory reset procedure execution.

Main Circuit Board Layout

Circuit Diagram: Main Board (1;4)

Circuit Diagram: Main Board (2;4)

Circuit Diagram: Main Board (3;4)

Circuit Diagram: Main Board (4;4)

Circuit Board Layout: Panel, GK, Exp, Enc

Circuit Diagram: Panel, GK, Exp, Enc Board

GK Board Circuit Diagram

EXP Board Circuit Diagram

Circuit diagram for the EXP board, showing its connections.