Roland groovekeyboard EG-101 Service Notes

Dec, 1998
eG-101

TABLE OF CONTENTS

SPECIFICATIONS
LOCATION OF CONTROLS
EXPLODED VIEW (BOTTOM)
EXPLODED VIEW (TOP)
KEYBOARD PARTS LIST
PARTS LIST
BLOCK DIAGRAM
MAIN PCB ASSY
CIRCUIT DIAGRAM 1/3 (MAIN PCB ASSY)
CIRCUIT DIAGRAM 2/3 (MAIN PCB ASSY)
CIRCUIT DIAGRAM 3/3 (MAIN PCB ASSY; CPU Module section)
CONTROL PCB ASSY
CIRCUIT DIAGRAM 1/2 (CONTROL PCB ASSY)
CIRCUIT DIAGRAM 2/2 (CONTROL PCB ASSY)
CONTACT PCB ASSY w/RUBBER CONTACT & CIRCUIT DIAGRAM
POWER & AMP. PCB ASSY
CIRCUIT DIAGRAM (POWER & AMP. PCB ASSY)
TEST MODE
SN00026 K6018343
EG-101
SERVICE NOTES
First Edition
Issued by RES
Page
1
2
3
4
4
5/6
7
8
9
10
11
12
12
13
14
15
15
16/20
Printed in Italy (AC00) (AD) 1

Specifications

GENERAL
49 Keys - Velocity-sensitive keyboard
3 x Seven-segment display
Separate Sampler Volume control
Two-way Bass Reflex System
Operating system in Flash ROM
TONE GENERATION & SOUNDS
24-voice Polyphony
11 multitimbral Parts
448 Tones and 12 Drum Kits
CONTROLLERS
D-Beam™
Pitch Bender/Modulation Lever
7 Knobs
TAP Tempo
D-BEAM Quick Parameters
CUT-OFF + Resonance
Tempo Down
AD LIB
(36 possibilities)
STYLES
64 Styles on ROM
Divisions: Intro - Original - Fill - Variation - Ending-Basic/Advanced.
64 User memories
Effects assignable to Parts
Realtime mute of Parts and Drum instruments
Drum track substitution with sampled phrase
Drum instrument substitution with sample
RPS
64 RPS Sets of 12 Phrases each
64 User RPS Memories
Auto-Sync with sampled Loops
Effects assignable to last selected Phrase
Realtime Mute of drum instruments
Quick RPS Transpose
HOLD Control
ARPEGGIO
Range (Octave)
Grid (Quantize)
Type (Up - Down - Up/Down - Random)
Realtime Control of Decay
Always synchronized to general tempo
PORTAMENTO
Monophonic with Rate Control
RECORDER
REALTIME TONE/TRACK/EFFECT EDIT FUNCTIONS
Cut-Off, Resonance, Pan Pot, Part Volume, Reverb Time, Reverb Level
CONNECTIONS
Output (L - R): RCA x2
Input (L - R): RCA x2
Foot Switch
Headphones
MIDI IN-OUT
DC IN (12 V - 2 A)
DISASSEMBLY
SELF LOCK.SCREW M4x14 TCTC H.9,5 cod. J2289109
Copyright © 1998 by ROLAND CORPORATION
All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of ROLAND CORPORATION.
Stereo output level
Output line: - 13 dBm
Master Vol. :Max
Tone :Sine bass (A224)
Reverb :Off
Play :C4 key
Stereo output impedance
Output line: 1,6 K ohms
Amplifier
2 x 15 W musical output power
Speakers
Two-way Bass Reflex System
2 Woofer (diameter: 90 mm)
2 Tweeter
Power supply
12V, 2A (ACJ AC/DC Adapter)
SAMPLER SECTION
R-DAC Sampling Technology (Roland Digital Audio Coding)
4 Pads X 4 Banks (16 locations), direct triggering via Keyboard or pads.
4 Mbit Flash ROM
Up to 32 sec. in HI-FI grade (128 sec. in LO-FI grade)
Auto Sync with Styles and RPS
Sampler effects: Pitch Shift, Time Stretch, Ring Mod *, Filter *
(* Effects also available on Line-IN or Mic-IN)
HOLD Control
MIC-IN + Effects
Sampling Frequency:
HI-FI : 31.25Khz
LO-FI: 7.81Khz
Data format
EG-101 Original Format
Signal processing
AD conversion: 16 bit
DA conversion: 16 bit
Nominal Input level
Input (mic): -54 to -25 dBm
Input (line): -20 to +8 dBm
Input impedance
50 K ohms (line)
4.5 K ohms (mic)
*0 dBm = 0775 Vrms
WEIGHT AND DIMENSIONS
Weight: 11,100 Kg
Dimensions: 835 x 377 x 192 mm
ACCESSORY
See page 6
OPTIONS
RH-20/80/120 Headphones; DP2 Sustain Pedal; BOSS FV-300L Volume Pedal;
KC-100/300/500 Keyboard Amplifiers
*In the interest of product improvement, the specifications and/or appearance of this
unit are subject to change whitout prior notice.