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SERVICE NOTES
Issued by RJA
Copyright © 2004 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of ROLAND CORPORATION.
Printed in Japan (0500) (TP)
17058256E0
Sep.2004
RC-20XL
TABLE DF CONTENTS
CAUTIONARY NOTES ...................................................2
SPECIFICATIONS.............................................................2
LOCATION OF CONTROLS ..........................................4
LOCATION OF CONTROLS PARTS LIST ...................5
EXPLODED VIEW, EXPLODED
VIEW PARTS LIST ........................6
PARTS LIST......................................................................10
CHECKING THE VERSION NUMBER.......................13
SERIAL DUMP (SYSTEM UPDATE, USERS
DATA SAVE AND LOAD) ..............13
INSTRUCTIONS FOR FACTORY RESET ...................14
TEST MODE.....................................................................14
BLOCK DIAGRAM.........................................................19
CIRCUIT BOARD (PANEL) ..........................................20
CIRCUIT DIAGRAM (PANEL).....................................22
CIRCUIT BOARD (JACK)..............................................24
CIRCUIT DIAGRAM (JACK 1) .....................................26
CIRCUIT DIAGRAM (JACK 2) .....................................28
Summary of Contents for Boss RC-20XL
Page 3: ...3 RC 20XL...
Page 4: ...4 Sep 2004 LOCATION OF CONTROLS fig panel 19 30 31 31 30...
Page 21: ...21 RC 20XL...
Page 23: ...24 Sep 2004 CIRCUIT BOARD JACK View from components side View from foil side...
Page 24: ...25 RC 20XL...
Page 27: ...30 Sep 2004...