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Feb.2003 |
ME-50 |
SERVICE NOTES
Issued by RJA
TABLE OF CONTENTS
SPECIFICATIONS............................................................. |
2 |
LOCATION OF CONTROLS .......................................... |
4 |
LOCATION OF CONTROLS PARTS LIST ................... |
4 |
EXPLODED VIEW ............................................................ |
6 |
EXPLODED VIEW PARTS LIST ..................................... |
8 |
PARTS LIST...................................................................... |
10 |
CHECKING THE VERSION NUMBER....................... |
13 |
RESTORING THE FACTORY SETTINGS................... |
13 |
TEST MODE..................................................................... |
13 |
BLOCK DIAGRAM......................................................... |
20 |
CIRCUIT BOARD............................................................ |
22 |
CIRCUIT BOARD............................................................ |
24 |
CIRCUIT DIAGRAM...................................................... |
26 |
Copyright © 2003 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.
17058813E0 |
Printed in Japan (0800) (AS) |
Feb.2003
SPECIFICATIONS
ME-50: Guitar Multiple Effects
AD Conversion
24 bit + AF method (*)
DA Conversion
24 bit
Sampling Frequency
44.1 kHz
Patches
30 (user)
Effects
Tone Modify
Compressor
Overdrive/Distortion
Chorus
Phaser
Flanger
Harmonist
Tremolo
Pan
Vibrato
UNI-V
Rotary
Delay
Reverb
Noise Suppressor
(Effects for Expression Pedal) Foot Volume
Wah
Resonance
Voice
Ring Modulator
Bend (+1 OCTAVE, -1 OCTAVE)
Nominal Input Level
INPUT: -10 dBu
AUX IN: -10 dBu
Input Impedance
INPUT: 1 M ohms
AUX IN: 100 k ohms
Nominal Output Level
-10 dBu
Output Impedance
2 k ohms
Display
7 segments, 1character LED
Jacks
INPUT jack
GUITAR AMP jacks L(MONO)/R AUX IN jack (Stereo Mini type) PHONES/LINE OUT jack
AC Adaptor jack
Power Supply
DC 9 V: Dry batteries (R6/LR6 (AA) type) x 6, AC Adaptor (PSA series: Optional)
Current Draw
120 mA
*Expected battery life under continuous use:
Carbon: |
3.5 hours |
Alkaline: |
12 hours |
These figures will vary depending on the actual conditions of use.
Dimensions
384 (W) x 225 (D) x 102 (H) mm
15-1/8 (W) x 8-7/8 (D) x 4-1/16 (H) inches
Weight
3.15 kg / 7 lbs (including batteries)
Accessories
Owner’s Manual ENGLISH :(#G6017362)
JAPANESE :(#G6017361)
Dry Batteries (Alkaline: LR6 (AA) type) x 6:(#********)
Options
AC Adaptor: BOSS PSA series
Foot Switch: BOSS FS-5U
*0 dBu = 0.775 Vrms
*In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.
*AF method (Adaptive Focus method)
This is a proprietary method from Roland that vastly improves the signal-to- noise (S/N) ratio of the A/D and D/A converters.
2
ME-50
3
Feb.2003 |
ME-50 |
LOCATION OF CONTROLS
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11,4 |
LOCATION OF CONTROLS PARTS LIST
NO |
PART CODE |
PART NAME |
DESCRIPTION |
1 |
1502928100 |
LED (RED) |
L-34HDSL |
2 |
F3279803 |
POTENTIOMETER 11 CLICKS 50KB |
RD901-40-125F-B54-11D |
3 |
F3279802 |
POTENTIOMETERNO CLICK 50KB |
RD901-40-125F-B54-00D |
4 |
G2477122 |
R-KNOB |
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5 |
F5029117 |
LED |
L-312LRD |
6 |
G247751001 |
VGA KEYTOP S BLACK WITH LENS |
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7 |
G2027904 |
TOP COVER |
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8G2187193 BOTTOM COVER
9G2187602 SWITCH PEDAL
10G2227301 PEDAL ESCUTCHEON
11 |
F3279804 |
POTENTIOMETER 6 CLICKS |
RD901-40-125F-B54-06D 50KB |
12 |
G2187547 |
VR PEDAL |
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13 |
G2357125 |
PEDAL PLATE |
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14 |
15029106 |
LED |
LD002VB |
NO |
PART CODE |
PART NAME |
DESCRIPTION |
15 |
G2047001 |
7SEG COVER |
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16 |
F5029408 |
LED |
A-601H |
17 |
G247751301 |
VGA KEYTOP S WITHOUT LENS |
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18 |
F3129306 |
SWITCH |
SKQKAB |
19 |
G1147002 |
REAR PANEL |
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20 |
13449155MF |
PHONE JACK (MONO) |
HTJ-064-12I |
21 |
13449440 |
JACK |
HSJ0857-01-210 |
22 |
13449150MF |
PHONE JACK (STEREO) |
HTJ-064-12D |
23 |
F3159111 |
SLIDE SW |
SK22F02 |
24 |
F3449717 |
JACK |
HEC2392-01-150 |
25 |
F2367103 |
CORD HOOK |
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26 |
G2217733 |
PEDAL LABEL |
(OD/DS) |
27 |
G2217734 |
PEDAL LABEL |
(MOD) |
28 |
G2217735 |
PEDAL LABEL |
(DELAY) |
29 |
F3279782 |
POTENTIOMETER |
RK11K1140(10K SPECIAL B-CURVE) |
5
Feb.2003
EXPLODED VIEW
6
ME-50
fig.explo2
7
Feb.2003
EXPLODED VIEW PARTS LIST
[PARTS]
NO |
PART CODE |
PART NAME |
DESCRIPTION |
1 |
G2027904 |
TOP COVER |
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2 |
G2187193 |
BOTTOM COVER |
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3 |
G1147002 |
REAR PANEL |
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4 |
G2047001 |
7SEG COVER |
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5 |
G2187547 |
VR PEDAL |
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6 |
G2187910 |
PEDAL HOLDER |
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7 |
G2147119 |
BOLT HOLDER |
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8 |
G2357125 |
PEDAL PLATE |
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9 |
G2357122 |
REAR CUSHION |
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10 |
G2357111 |
CUSHION R |
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11 |
G2147806 |
STAY |
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12 |
G2217733 |
PEDAL LABEL |
(OD/DS) |
13 |
G2217734 |
PEDAL LABEL |
(MOD) |
14 |
G2217735 |
PEDAL LABEL |
(DELAY) |
15G2227301 PEDAL ESCUTCHEON
16G2187602 SWITCH PEDAL
17G2177103 SUPPORT SPRING
18 |
G2357126 |
PEDAL FOOT |
H=7.6 |
19G247751001 VGA KEYTOP S BLACK WITH LENS
20G247751301 VGA KEYTOP S WITHOUT LENS
21 |
G2477122 |
R-KNOB |
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22 |
F2367103 |
CORD HOOK |
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23 |
G2357120 |
FOOT |
H=5 |
24 |
G2017617 |
BATTERY CASE |
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25G2027602 BATTERY COVER
26G2177304 BATTERY TERMINAL (+ -)
27G2177305 BATTERY TERMINAL (+)
28G2177306 BATTERY TERMINAL (-)
2975E013P000 MAIN SHEET ASSY
30 F3467025 WIRING 2P
MAIN SHEET ASSY includes the following parts. 31 ******** EXP BOARD ASSY
[SCREWS]
NO |
PART CODE |
PART NAME |
DESCRIPTION |
a |
H5039521 |
VR ACCESSORY NUT M7 |
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b |
H5039520 |
M9 NUT |
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c |
H5039126 |
M9 WASHER |
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d |
H5039514 |
NUT M6 |
HSJ-0999-01-190 |
e |
H5039121 |
WASHER 9.5X6.5 |
HSJ-0999-01-210 |
f |
H5039510 |
NUT M9X12X2 |
FENI |
g |
H5039112 |
WASHER M9 |
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h |
H5029331 |
SCREW 3X8 |
BINDING S-TIGHT FEBC |
k |
H5029332 |
SCREW 3X6 |
BINDING S-TIGHT FEBZC |
m |
H5029308 |
SCREW 3X10 |
BINDING S-TIGHT FEBC |
n |
H5029330 |
SCREW M3X8 |
BINDING TAPTITE P BZC |
o |
H5019124 |
SCREW M3X6 |
PAN MACHINE W/SW+SMALL PW ZC |
p |
H5019130 |
SCREW M3X6 |
PAN MACHINE W/SW+PW ZC |
q |
H5029867 |
HEX BOLT M6X70 |
HALF THEREAD BZ |
r |
H5039122 |
PLAIN WASHER |
6X13X1 BZC |
s |
H5039515 |
NUT M6 |
U BZC |
t |
H5019154 |
SPRING WASHER |
6X12X1 |
u |
H5039111 |
PLAIN WASHER 3X8 |
ZC |
8
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