SERVICE NOTES
Issued by RJA
Copyright © 2007 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 (0400) (AS-KWS)17058453E0
Jan. 2007 MV-8800
Table of Contents
Cautionary Notes ..............................................................2
Specifications .....................................................................3
Location of Controls .........................................................6
Location of Controls Parts List........................................7
Exploded View ..................................................................8
Disassembly Procedure—Removing the Main Board......8
Exploded View Parts List.................................................9
Parts List ...........................................................................10
Checking the Version Number......................................13
Saving and Loading Data...............................................13
Factory Reset Procedure.................................................13
System Update Procedure .............................................13
Test Mode.........................................................................14
Block Diagram .................................................................18
Circuit Board (Main: 1/2) ..............................................20
Circuit Board (Main: 2/2) ..............................................22
Circuit Diagram (Main: 1/4) .........................................24
Circuit Diagram (Main: 2/4)..........................................26
Circuit Diagram (Main: 3/4)..........................................28
Circuit Diagram (Main: 4/4)..........................................30
Circuit Board (Panel/Pad/MIDI: 1/2).........................32
Circuit Board (Panel/Pad/MIDI: 2/2).........................34
Circuit Diagram (Panel: 1/3) .........................................36
Circuit Diagram (Panel: 2/3) .........................................38
Circuit Diagram (Panel: 3/3) .........................................40
Circuit Diagram (Pad) ....................................................42
Circuit Diagram (MIDI)..................................................42
Circuit Board (VGA/CDRW/Inverter/Contrast: 1/2).......44
Circuit Board (VGA/CDRW/Inverter/Contrast: 2/2).......46
Circuit Diagram (VGA) ..................................................48
Circuit Diagram (CDRW)...............................................49
Circuit Diagram (Inverter) .............................................50
Circuit Diagram (Contrast) ............................................51
Revise Information
P.7 Revised the Part Code and Part Name. (2007.6.25)
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