ROLAND SC 88

Page 1

Jun. 1994

5OUNpGanI/as

SC-88

SERVICE NOTES

First Edition

MIDI SOUND GENERATOR S C -88

TABLE OF CONTENTS

GENERAL VIEW
SPECIFICATION
EXPLODED VIEW

PARTS LIST

TEST MODE

IDENTIFYING VERSION NUMBER
FACTORY SETUP

BULK DUMPING

IC DATA

BLOCK DIAGRAM
CIRCUIT CONFIGURATION
CIRCUIT BOARD

CIRCUIT DIAGRAM
CIRCUIT BOARD

CIRCUIT DIAGRAM
CHANGE INFORMATION

EA Page
WEE. .................................................. 1
1i1§ .......... ........ ........... .. .....1
fiflx ................. . ..................... .............. .2
/\°-y U 2 I

5'1 I~-'E- F

lI-I/IEIVT'I/II-WIIEEIII ........................... 9
777IIJ-"I2yl77 ................... . ....... 9
/\)|,7 . gyj ................... . .......... ............9
[07-3-51 ......... ..... 10
7Ely7. .............. 11
@fl§1§)fiu;jw'( .......... . ............................... 11
§II§IZI(MAIN) ................................................ 12
[EIE§I(MAIN) ................................................ 13

§IIEI(ANALOG,SWITCH,TRANS,PHONES HOLDER) ~~~~~~ 14
IEIIEI(ANALOG,SWITCH,TRANS,PHONES HOLDER) """" 15

SPECIFICATION/(iii

ONumber of Pans
.Maximum Polyphony

Olnternal Memory ~~~~~~~ Sound map : 2 (SC-55. SO88)
Preset sounds : 654
Drum sound set : 24 (include 2 SFX Set)
User sounds : 256
User drum sound set : 2
.Effects Reverb(81ype)
Chorus (8 type)
Delay (10 type)
2 band equalizer
ODisplay """" ~ " 706 X 24.5mm (backlil LCD)
.Connectors MIDI connectors (IN A, IN E Front /Rear1 OUT / THRU)
Audio Input Jack X 2 (L, R)
Audio Output JackX 2 (L. R)
Input Volume Knob
Headphones Jack
Computer Terminal
Computer Switch
.Power Supply - AC1 17V, AC230V or 240V
OPower Consumption -- 14W (AC117), 18W (230V / 240V)
.Dimensions """"" 218 (W)><250 (D)><72 (H) mm
85/8 (W) X 9-7/8 (D) X 2-7/8 (H) inches
OWeight 26kg
Slbs 1202
OAccessories ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Owner's manual ~-
Demo Song Disk "
MIDI Cable (1m) > Audio Cable (RCA pinTTRCA pin<1/4inch phone lype>) """ (23485265)
*TIIe included MIDI cable is for MIDI only. It cannot be used for other purposes.
.Options ....................................... Compm Cable

RSC~ISAT (For IBM PC / AT series)
RSC-ISARL (For Apple Macintosh series)
*The specifications for this product are subject to change without prior notice.

GENERAL VIEW / IfiIIEEI

o
PREVIEW(PUSH) RE]
Ksfi'IFT

O O
--12

00 @

Ml IINB PH NES

F S-BUTI'ON sx BLK D
(22495630) DISPLAY CDVER LCD 13322111230 LED 152215955 §§$TOP A
HALF RACK R-KNOB L [@53143322 T RBUTTON TACT sw
(22480260) 15029520 024 FRONT (22495607) SOFHZZHS
ROTARY VR ( ) PANEL TACT sw WITH LED (13129766)
RK0971214 (00231490) SKHQFROOQA
(13269109) (13129765)
I PO ER VO UME RT IN TRUMENT I , W|N§TROMEN1T I
(E R1: g1 4 1:111) L_e=ad IEE
magi} géugg I- o - 7 I

100V/230V
CORD BUSH KFA41
(12369533)
1 17V/240VE
CORD BUSH KR-61A
(12369539)
240VA 100V/230V/24OVA
CORD BUSH KR-51 CORD BUSH HOLDER
(12369531) (22205332)
DIN SOCKET SLIDE SWITCH DIN SOCKET 117V/240VE
YKF51-5041 SSSF124-809N-1 TCS7927-28-401 - CORD BUSH HOLDER
(18429274) (13159363) _ (13429911) (22205436)
1 1 1 ,, It
MIDE- l

OUT./THRU IN A

(+30

I
00 OO COOI

AC V ~50/60H
Roland Corpora
MODEL sc-as

D VIB RATE VIE DEPTH VIB DELAY
|> CUTOFF SONANCE 1
USER INS-r EDI-r ATTACK DECAV RERELEASE SERIAL No1 AF9876
95 l I I < > I I < > J I < > I
_ 50 NDCOAVVOS 30-38 ON/OFF SELECT DE AY INSTR MENT- VARImoN J
| ' I-
l I LENS CIRCLE LENS TRIANGLE sass-55 FOOT D25 AC CORD ASSY 100V(00234534)
DIN SOCKET - M'N' JACK (00235289) (00235267) (22355160) ROTARY VR PIN JACK AC CORD ASSY 120V(°°341545)
1355031454151 YKB21-5130 RK09K12AOA2AA YKC21-3326 AC CORD ASSY 230V(00341656)
(13429684 (13449433) (13279988) (00232689) AC CORD ASSY 240VE(00341667)
> 30-83 S-KEY SX2H BLK 80-88 S-KEY SX2H BLK CURSOR AC CORD ASSY 240VA(003416781
(00231556) (00235245)
@Roland 17059750 Printed in Japan AEI 0 (DP) 1 Copyrlgm©1994 by ROLAND CORPORATION

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80-88 Jun. 1994

3 i2: 3: 22:2 32 32? 31% €53 213: 32:: 2? 322 3,3 :2 L? $32? 221 :33 LE .2312 Z? 322: 3 £22 :12 32:2 1323 3:3 23? S232 ":2

g2 EXPLODE VIEW / fififll
PARTS
PARTS NAME PARTS NUMBER
(D TOP COVER 00231489
(2) FFIONT PANEL 00231490
21% © DISPLAv COVER LCD ~ 400231501
$337,? ® DISPLAY COVER LED 2 00231512
® LENS TRIANGLE 00235267
© LENS CIRCLE ~ -;00235269
® 30/5355 FOOT D25 - 22355160
DE-200 ARM ~~~~~~ 22140219
3% © DE-200 SLEEVE 22150404
3w ® BOTTOM CHASSIS 00231473
.24 ® TRANS COVER 00343745
@ TRANS HOLDER 00231523
g1: ® SC-55 KEYTOPA 22495266
w 031 SC-BS S-KEY sx2H BLK 00231556
33 80-88 S-KEY SX2H BLK CURSOR 00235245
® R-BUTTON 22495607
® HALF RACK R-KNOB L ~ -: 22460260
33 F S-BU'I'I'ON sx BLK ~ 22495630
333 ® LCD RCM2024T 15029520
2 23 20 MAIN BOARD 70122367
@ ANALOG BOARD 70122390
3 @ TRANS BOARD 70126034
E3 23 SWITCH BOARD ~~~~~~~~~~ 70122423
@ PHONES HOLDER ASSY - 70286539
® POWER SWITCH BOARD . 70122434
13:? @ TRANS ~~~~~~~~~~~~~~~~~~~ 00232756
@ AC CORD ASSV 100V 00234534
«2 3, AC CORD ASSY 120V 2: 00341645
33; AC CORD ASSY 230V - 00341656
" AC CORD ASSY 240VE ~ 00341667
AC CORD ASSY 240VA - 00341678
2 ® SHIELD SHEET 00343723
" @ INSULATING SHEET ~ 00348923
® CORD BUSH KF»41 100V/230v 12369533
CORD BUSH KR-61A 117V/240VE 12369539
CORD BUSH KR-51 240VA ------ 12369531
@ CORD BUSH HOLDER 100V/230w240VA » 22205332
CORD BUSH HOLDER 117V/240VE 2222222 _: 22205436
SCREW
3'; ® 2><6 Binding Head P-Tight CM ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 40011256
2442 3><6 Binding Head B-Tighi BC ~ 40011090
© 3x3 Binding Head B-TingM 40011067
33:: ® 3><6 Binding Head P-Tight BC ~:40011312
2' ® 3X6 Flat Head B»Tighl BC ~ 40011145
(9 4x3 Pan Head S-Tigch ~ 40011356
£553; © 3X8 Binding Head S-TightBC .40011401

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