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Roland AC-40 Service Notes

Roland AC-40
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SERVICE NOTES
Issued by RJA
Copyright © 2013 Roland Corporation
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.
CC-OKN17058881E0
Jul. 2013 AC-40
Table of Contents
Cautionary Notes ..............................................................2
Specifications .....................................................................3
Location of Controls .........................................................4
Location of Controls Parts List........................................5
Exploded View (All) .........................................................6
Exploded View (All) Parts List........................................7
Plane View (1)....................................................................8
Plane View (1) Parts List ..................................................8
Plane View (2)....................................................................9
Plane View (2) Parts List ..................................................9
Exploded View (Fig. A)..................................................10
Exploded View (Fig. A) Parts List ................................11
Plane View (Fig. A) .........................................................12
Plane View (Fig. A) Parts List........................................13
Application Sites for EVA Packing Cushions .............14
Parts List ...........................................................................16
Verifying the Version......................................................18
Test Mode .........................................................................18
Input/Output Level Test (for Reference) ....................19
Wiring Diagram/Block Diagram..................................20
Circuit Board (Main Board) ...........................................22
Circuit Diagram (Main Board: 1/3)..............................24
Circuit Diagram (Main Board: 2/3)..............................26
Circuit Diagram (Main Board: 3/3)..............................28
Circuit Board (GT Input, Panel, Jack, Mic Input Board)
............................................................................................30
Circuit Diagram (GT Input Board) ...............................31
Circuit Diagram (Panel Board)......................................32
Circuit Diagram (Jack Board) ........................................34
Circuit Diagram (Mic Input Board) ..............................36

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Roland AC-40 Specifications

General IconGeneral
Amplifier class-
RMS rated power17.5 W
Number of speakers2
Speaker driver size6.5 \
Audio output channels2.0 channels
Sound effects quantity1
Connectivity technologyWired
Suitable forAcoustic guitar
Product colorBlack
Volume controlRotary
Carrying handle(s)Yes
Power source typeAC
Weight and Dimensions IconWeight and Dimensions
Depth241 mm
Width362 mm
Height265 mm
Weight5300 g

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