MT-300S Jun. 1998
1
4321R
123
4
567
8
91011
12
13 14 15 16
MUSIC PLAYER
PowerPhones
On Off
Marker Clear
RepeatA
-
Marker
-
B
Volume
Song
Track
Count In
Metronome
Bwd FwdReset
Stop Play Rec
Menu
Edit
16 Track
ReverbDisk TuneBeat
Tempo
Transpose
Sound
Enter
SERVICE NOTES
First Edition
Issued by RJA
Copyright © 1998 by ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.
17059927
Printed in Japan ACEO (DP) 1
4321R
1234 5678 9101112 13 14 15 16
MUSIC PLAYER
PowerPhones
On Off
Marker Clear
RepeatA
-
Marker
-
B
Volume
Song
Track
Count In
Metronome
Bwd FwdReset
Stop Play Rec
Menu
Edit
16 Track
ReverbDisk Tune
Beat
Tempo
Transpose
Sound
Enter
5 6 7 8
4321
12109
13 14 15 16 17
11
LR
Output
Expression
SpeakerPedal
MaxMin MaxMin
InEcho
Mic
Volume
MIDI
Computer
PC
-
2
PC
-
1
Mac
Off
InOut
MIDI
On
Stop
Start
l
18 19 20 21 22 23 24 25 26
27
PANEL LAYOUT
FRONT VIEW
REAR VIEW
GENERAL VIEW
No. Part Number Part Name
1 00894001 JACK YKB21-5142
2 22495576 A S-BUTTON LX BLK
3 01561423 RUBBER SW B
4 01561478 LENS D
5 01121689 LED (Green & Red) SPR-325MVWT31
6 71013990 LCD UNIT
7 01344789 DISPLAY COVER
8 01344923 RUBBER SW A
9 01341956 FDD UNIT MF355F-3252MG
10 01344934 POT DUST COVER
11 22485298 I S-KNOB S DWG/LCG
12 00671556 SLIDE POT. EWANNKX10B14
13 01561445 LENS A
14 01561467 LENS C
No. Part Number Part Name
15 01561456 LENS B
16 01561434 RUBBER SW C
17 22485303 D R-KNOB L BLK 248-303
18 13429911 COMPUTER TERMINAL TCS7927-28-401
19 00899223 SLIDE SWITCH SSSF124-S06N1
20 13429676 JACK YKF51-5048
21 13449283 JACK HLJ7101-01-3010
22 13449284 JACK HLJ7001-01-3010
23 01454945 SLIDE SWITCH SSSF112-S06N1
24 00451445 JACK YKC21-3040
25 13279884 ROTARY POT. RK09K1110 10KB
26 13449252 JACK YKB21-5006
27 23425740 AC INLET INL-8 10A/125V 2P PO
PANEL LAYOUT PARTS LIST
TABLE OF CONTENTS Page
GENERAL VIEW ............................................................................................... 1
PANEL LAYOUT ............................................................................................... 1
PANEL LAYOUT PARTS LIST ............................................................................................... 1
SPECIFICATIONS ............................................................................................... 2
EXPLODED VIEW ............................................................................................... 3
PARTS LIST ............................................................................................... 4
HOW TO UPDATE THE FLASH MEMORY ............................................................................................... 6
TEST MODE ............................................................................................... 6
REPLACING FDD MF355F-3252MG (PNo.01341956) ............................................................................................... 9
BLOCK DIAGRAM ............................................................................................... 9
CIRCUIT BOARD (MAIN) ............................................................................................... 10
CIRCUIT DIAGRAM (MAIN) ............................................................................................... 11
CIRCUIT BOARD (ANALOG) ............................................................................................... 12
CIRCUIT DIAGRAM (ANALOG) ............................................................................................... 13
CIRCUIT BOARD (PANEL) ............................................................................................... 14
CIRCUIT DIAGRAM (PANEL) ............................................................................................... 15
CIRCUIT BOARD (PS.AMP) ............................................................................................... 16
CIRCUIT DIAGRAM (PS.AMP) ............................................................................................... 16
MUSIC PLAYER
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