E-50
Aug. 2006
SERVICE NOTES
Issued by RES
Preliminary
SPECIFICATIONS 2/3
DISASSEMBLY 4
LOCATION OF CONTROLS 6/7
EXPLODED VIEW (SILK+VARN. LCD COVER) 10/11
EXPLODED VIEW (TOP) 8/9
EXPLODED VIEW (BOTTOM) 12
KEYBOARD PARTS LIST 14/15
WIRING DIAGRAM 16/17
PARTS LIST 18/22
CIRCUIT BOARD (MAIN) 54/55
CIRCUIT DIAGRAM (MAIN 1/4) 56/57
CIRCUIT DIAGRAM (MAIN 2/4) 58/59
CIRCUIT DIAGRAM (MAIN 3/4) 60/61
CIRCUIT DIAGRAM (MAIN 4/4) 62/63
CIRCUIT BORD (AUDIO) 64/65
CIRCUIT DIAGRAM (AUDIO) 66/67
CIRCUIT BOARD (RIGHT CONTROL, LEFT CONTROL
CENTER CONTROL) 68/69
CIRCUIT DIAGRAM (RIGHT CONTROL 1/2) 70/71
CIRCUIT DIAGRAM (RIGHT CONTROL 2/2) 72/73
CIRCUIT DIAGRAM (LEFT CONTROL) 74/75
CIRCUIT DIAGRAM (CENTER CONTROL) 76/77
CIRCUIT BOARD (VOLUME, ENCODER, CARD PROTECT
HEADPHONES,POWER SWITCH) 78/79
CIRCUIT DIAGRAM (VOLUME) 80
CIRCUIT DIAGRAM (ENCODER) 81
CIRCUIT DIAGRAM (CARD PROTECT) 81
CIRCUIT DIAGRAM (HEADPHONES) 82
CIRCUIT DIAGRAM (POWER SWITCH) 83
ITEMS REQUIRED 24
TEST MODE 29
TOUCH SCREEN CALIBRATION 25
PROTECT SWITCH TEST 26
TOUCH SCREEN CHECK 28
LDC DISPLAY CHECK 29
SWITCH AND LED CHECK 30
ENCODER CHECK 31
PITCH BENDER CALIBRATION 32
PEDAL AND POTENTIOMETER CHECK 33
MEMORY AND DSP CHECK 37
MIDI AND USB SOCKET CHECK 38
FLOPPY DISK DRIVE CHECK 39
PCMCIA SLOT CHECK 40
AUDIO CHECKS AND MEASURAMENT 41
FACTORY RESET 47
CHECK OUT THE VERSION 48
OPERATIVE SYSTEM AND MUSIC DATA UPDATE 49
SN00098
K6018647
Printed in Italy
TABLE OF CONTENTS
Copyright © 2006 by ROLAND CORPORATION
All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of
ROLAND CORPORATION.
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