Boss GT-1 Service Notes

SERVICE NOTES
Issued by RJA
Copyright © 2016 Roland Corporation
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.
CC-KWS17057067E0
Sep. 2016 GT-1
Table of Contents
Cautionary Notes ..............................................................2
Specifications .....................................................................3
Location of Controls (Top)...............................................4
Location of Controls Parts List (Top) .............................4
Location of Controls (Rear)..............................................5
Location of Controls Parts List (Rear)............................5
Exploded View ..................................................................6
Exploded View Parts List.................................................7
Exploded View (Fig. A)....................................................8
Exploded View Parts List (Fig. A) ..................................9
Plain View ........................................................................10
Disassembly Procedure..................................................11
Block Diagram/Wiring Diagram..................................12
Parts List ...........................................................................13
Virus Check......................................................................15
Verifying the Version......................................................15
Data Backup and Restore Operations ..........................15
Performing a Factory Reset............................................15
System Update Procedure..............................................16
Test Mode.........................................................................16
Circuit Board (Main, Exp Pedal Board) .......................22
Circuit Diagram (Main Board: 1/3)..............................24
Circuit Diagram (Main Board: 2/3)..............................26
Circuit Diagram (Main, Exp Pedal Board: 3/3) ..........28
Revise Information
Dec. 7, 2016 p. 20 Corrected an error.
Nov. 17, 2016 p. 20 Added a test item.
Mar. 24, 2017 p. 20 Added a caution.

Boss GT-1 Specifications

General

Product color	Black
Sound effects	Delay, Reverberation
Sound effects quantity	108
AUX in	Yes
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Connectivity technology	Wired
6.35 mm (1⁄4-inch) output	1
Display type	LCD
Battery type	AA
Operating time	7 h
Power source type	Battery, DC
Number of batteries supported	4

Weight and Dimensions

Depth	152 mm
Width	305 mm
Height	56 mm
Weight	1300 g