Roland JC-40 User Manual

SERVICE NOTES
Issued by RJA
Copyright © 2015 Roland Corporation
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.
CC-KWS17057004E0
JC-40Nov. 2015
Table of Contents
Cautionary Notes ..............................................................2
Specifications .....................................................................3
Location of Controls .........................................................4
Exploded View (Cabinet).................................................5
Plain View (Cabinet).........................................................6
Plain View (Cabinet) Parts List .......................................7
Exploded View (Chassis) .................................................8
Exploded View (Chassis) Parts List................................9
Plain View (Chassis) .......................................................10
Important Notes When Binding Wiring......................11
Wiring Diagram/Block Diagram..................................12
Parts List...........................................................................14
Verifying the Version......................................................16
Test Mode.........................................................................16
Circuit Board (Main, Jack, Volume, PS, Inlet Board) .18
Circuit Diagram (Main Board: 1/4)..............................20
Circuit Diagram (Main Board: 2/4)..............................22
Circuit Diagram (Main Board: 3/4)..............................24
Circuit Diagram (Main Board: 4/4)..............................26
Circuit Diagram (Jack Board) ........................................28
Circuit Diagram (Volume Board) .................................30
Circuit Diagram (PS Board) ...........................................31
Circuit Diagram (Inlet Board) .......................................31

Roland JC-40 Specifications

General

Amplifier class	-
RMS rated power	40 W
Number of speakers	2
Audio output channels	2.0 channels
Audio (L/R) in	1
Headphone connectivity	6.3 mm
Connectivity technology	Wired
Suitable for	Acoustic-electric guitar
Product color	Black
Power source type	AC
Manual	Yes

Weight and Dimensions

Depth	251 mm
Width	592 mm
Height	436 mm
Weight	15800 g