SERVICE NOTES
Issued by RJA
Copyright © 2005 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 (0430) (AS)17058345E0
SEP.2005
SP-404
TABLE OF CONTENTS
CAUTIONARY NOTES.............................................................. 2
SPECIFICATIONS....................................................................... 3
LOCATION OF CONTROLS..................................................... 4
LOCATION OF CONTROLS PARTS LIST ............................. 5
EXPLODED VIEW 1 ................................................................... 6
EXPLODED VIEW 1 PARTS LIST ............................................ 7
EXPLODED VIEW 2 ................................................................... 8
EXPLODED VIEW 2 PARTS LIST ............................................ 9
PARTS LIST................................................................................ 10
CHECKING THE VERSION NUMBER................................. 14
USERS DATA SAVE AND LOAD.......................................... 14
Instructions for System Initialize ............................................ 14
SYSTEM UPDATE INSTRUCTIONS...................................... 15
TEST MODE ............................................................................... 16
BLOCK DIAGRAM................................................................... 18
CIRCUIT BOARD (MAIN BOARD) ...................................... 20
CIRCUIT DIAGRAM (MAIN BOARD) ................................ 22
CIRCUIT BOARD (PANEL BOARD, JACK BOARD) ........ 24
CIRCUIT DIAGRAM (PANEL BOARD, JACK BOARD) ... 26
ERROR MESSAGES .................................................................. 28
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