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Sep.2003
TABLE OF CONTENTS
SPECIFICATIONS.............................................................2
LOCATION OF CONTROLS ..........................................4
LOCATION OF CONTROLS PARTS LIST ...................4
EXPLODED VIEW ............................................................5
EXPLODED VIEW PARTS LIST .....................................5
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.
PARTS LIST........................................................................6
TEST MODE.......................................................................9
CIRCUIT BOARD............................................................13
CIRCUIT DIAGRAM ......................................................14
17058182E0
SERVICE NOTES
Issued by RJA
Printed in Japan (0800) (NB)
OC-3
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Summary of Contents for Roland SUPER Octave OC-3
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Page 1: Table Of Contents
CIRCUIT BOARD............13 EXPLODED VIEW ............5 CIRCUIT DIAGRAM ............14 EXPLODED VIEW PARTS LIST ........5 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. 17058182E0... -
Page 2: Specifications
Sep.2003 SPECIFICATIONS OC-3: SUPER Octave Nominal Input Level -20 dBu Input Impedance 1 M ohm Nominal Output Level -20 dBu Output Impedance 1 k ohm Recommended Load Impedance 10 k ohms or greater Residual Noise -96 dBu (IHF-A, Typ.); All knobs at center position Controls Pedal switch, DIRECT LEVEL knob, OCT 1 LEVEL knob, CONTROL knob, MODE knob,... - Page 3 OC-3...
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Page 4: Location Of Controls
Sep.2003 LOCATION OF CONTROLS fig.panel LOCATION OF CONTROLS PARTS LIST PART CODE PART NAME DESCRIPTION 22480260 P R-KNOB MF BLK/LCG F3219113 POTENTIOMETER RD901-20-15FW-B54-0039 13449150MF JACK HTJ-064-12D 13449140MF JACK HTJ-064-14D 75E072T000 PEDAL 2235730400 FOOT BASE (PEDAL MAT) H5029820 THUMB SCREW 3X10mm (Black) G253751603 BOTTOM CAUTION PSA FCC/CE/C-TICK/EMC GRY... -
Page 5: Exploded View
OC-3 EXPLODED VIEW fig.explo EXPLODED VIEW PARTS LIST [PARTS] PART CODE PART NAME DESCRIPTION Q’TY 13129710 SWITCH (PUSH) JM-0404 2226733300 CUSHION F3419102 BATTERY CONNECTOR G253751603 BOTTOM CAUTION PSA FCC/CE/C-TICK/EMC GRY 2235730500 BOTTOM BASE 2202785100 BOTTOM COVER G2167301 INSULATION SPACER 2215770201 PEDAL GUIDE BUSH 2217710900 COIL SPRING... -
Page 6: Parts List
Sep.2003 PARTS LIST fig.part1e CONSIDERATION ON PARTS ORDRING SAFETY PRECAUTIONS: When ordering any parts listed in the parts list, please specify the following items in the order sheet. The parts marked have PART NUMBER DESCRIPTION MODEL NUMBER safety-related characteristics. Use 22575241 Sharp Key C-20/50... - Page 7 OC-3 RESISTOR F5399152 22K J MTL.FILM RESISTOR R7,R8,R10,R15,R16,R24,R28,R31,R32,R36,R37, R38,R42,R61,R62,R65,R81,R82 F5399154 27K J MTL.FILM RESISTOR F5399156 33K J MTL.FILM RESISTOR F5399298 4.7 J MTL.FILM RESISTOR R100 F5399106 47 J MTL.FILM RESISTOR F5399160 56K J MTL.FILM RESISTOR R9,R25,R29,R44,R45,R48,R49,R52,R53,R56, R57,R63 F5429365 10K OHM F RANK (1%) CHIP RESISTOR F5429386 150K F (1608TYPE)
- Page 8 Sep.2003 ACCESSORIES (Standard) ******** BATTERY MANGANESE G6017374 OWNER’S MANUAL JAPANESE G6017375 OWNER’S MANUAL ENGLISH...
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Page 9: Test Mode
OC-3 TEST MODE 3. Tests DSP, CPU Check Required Items • Refer to “2. Entering Test Mode” and switch to Test mode. • A check of the DSP and CPU is performed automatically while the Tools Required CHECK light is off. If no problem is detected, CHECK lights up and the unit enters Test mode;... - Page 10 Sep.2003 fig.test-DA200HzM_50 The maximum values for the CONTROL Volume Check and the OCT1 LEVEL Volume are detected simultaneously. The CONTROL Volume Check is not run unless the OCT1 LEVEL Volume maximum is detected. AF/AD Check • Confirm that the MODE control is set to DRIVE. •...
- Page 11 OC-3 MUTE Check 10. BYPASS MAXIMUM Output Check • Confirm that the MODE control is set to POLY. CHECK lights up. • Press the pedal. • Use the oscillator to input a sine wave at 200 Hz, +5 dBm (FLAT) to •...
- Page 12 Sep.2003 11. Battery Check 4. Exiting Test Mode • Press the pedal and confirm that CHECK lights up (so that the effects are • The pedal can be pressed to exit Test mode. switched on). • Confirm that a plug is connected to either the GUITAR IN jack or BASS IN jack.
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Page 13: Circuit Board
OC-3 CIRCUIT BOARD fig.main-bottom fig.main-top... -
Page 14: Circuit Diagram
Sep.2003 CIRCUIT DIAGRAM fig.circuit DIR-A DIR-A EFX-A DIR-B DIR-B EFX-B EFX-A EFX-B... - Page 15 OC-3...
- Page 16 Sep.2003...
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