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-KWS
17058652E0
Feb. 2010
AC-33
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
Plain View (1).....................................................................8
Plain View (1) Parts List ...................................................9
Plain View (2)...................................................................10
Plain View (2) Parts List .................................................11
Exploded View (Fig.A)...................................................12
Exploded View (Fig.A) Parts List .................................13
Plane View (Fig.A) ..........................................................14
Plane View (Fig.A) Parts List.........................................15
Parts List ...........................................................................16
Verifying the Version Number......................................18
Test Mode .........................................................................18
Block Diagram/Wiring Diagram ..................................20
Circuit Board (Main Board) ...........................................22
Circuit Diagram (Main Board: Power) .........................24
Circuit Diagram (Main Board: Digital) ........................26
Circuit Diagram (Main Board: Analog) .......................28
Circuit Board (Guitar Input, Mic Input, Panel, Jack B,
Phones Board) ..................................................................30
Circuit Diagram (Guitar Input Board) .........................32
Circuit Diagram (Mic Input Board) ..............................32
Circuit Diagram (Panel Board)......................................34
Circuit Diagram (Jack B Board).....................................36
Circuit Diagram (Phones Board)...................................37
Summary of Contents for Acoustic Chorus AC-33
Page 4: ...4 Feb 2010 AC 33 Location of Controls fig panel eps...
Page 8: ...8 Feb 2010 AC 33 Plain View 1 fig bunkaizu 1 eps a a b c b j e View 1 View 2...
Page 10: ...10 Feb 2010 AC 33 Plain View 2 fig bunkaizu 2 eps c f d d g View 3 View 4...
Page 20: ...20 Feb 2010 AC 33 Block Diagram Wiring Diagram fig block eps L A B I J K G H L M...
Page 22: ...22 Feb 2010 AC 33 Circuit Board Main Board fig b main 1 eps...
Page 23: ...23 Feb 2010 AC 33 fig b main 2 eps...
Page 24: ...24 Feb 2010 AC 33 Circuit Diagram Main Board Power fig d main power eps L...
Page 25: ...25 Feb 2010 AC 33 fig d main power eps R...
Page 26: ...26 Feb 2010 AC 33 Circuit Diagram Main Board Digital fig d main digital eps L...
Page 27: ...27 Feb 2010 AC 33 fig d main digital eps R...
Page 29: ...29 Feb 2010 AC 33 fig d main analog eps R rms 1 30Vrms 1 30Vrms 2 90Vrms 2 90Vrms ms...
Page 31: ...31 Feb 2010 AC 33...
Page 34: ...34 Feb 2010 AC 33 Circuit Diagram Panel Board fig d panel eps L...
Page 35: ...35 Feb 2010 AC 33 fig d panel eps R...
Page 36: ...36 Feb 2010 AC 33 Circuit Diagram Jack B Board fig d jackB eps...
Page 37: ...37 Feb 2010 AC 33 Circuit Diagram Phones Board fig d phones eps 0 87Vrms...
