Roland Dr.Rhythm DR-880 Service Notes
  1. Manuals
  2. Brands
  3. Roland Manuals
  4. Mixer
  5. DR-880
  6. Service notes

Roland Dr.Rhythm DR-880 Service Notes

Hide thumbs Also See for Dr.Rhythm DR-880:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Owner's Manual
Dec.2004

TABLE OF CONTENTS

CAUTIONARY NOTES........................................................ 2
SPECIFICATIONS................................................................. 2
LOCATION OF CONTROLS............................................... 3
LOCATION OF CONTROLS PARTS LIST ....................... 3
EXPLODED VIEW 1 ............................................................. 4
EXPLODED VIEW 1 PARTS LIST ...................................... 4
EXPLODED VIEW 2 ............................................................. 5
EXPLODED VIEW 2 PARTS LIST ...................................... 5
EXPLODED VIEW 3 ............................................................. 6
EXPLODED VIEW 3 PARTS LIST ...................................... 6
EXPLODED VIEW 4 ............................................................. 7
EXPLODED VIEW 4 PARTS LIST ...................................... 7
TAPE for fixed wring............................................................ 8
WIRING DIAGRAM ........................................................... 10
WIRING DIAGRAM PARTS LIST .................................... 10
PARTS LIST.......................................................................... 12
Copyright © 2004 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of ROLAND CORPORATION.
CHECKING THE VERSION NUMBER ........................... 16
Computer to DR-880 connection ....................................... 16
USERS DATA SAVE AND LOAD .................................... 16
FACTORY RESET INSTRUCTIONS ................................. 17
TEST MODE.......................................................................... 18
BLOCK DIAGRAM ............................................................. 28
CIRCUIT BOARD (MAIN BOARD).................................. 30
CIRCUIT BOARD (MAIN BOARD).................................. 32
CIRCUIT DIAGRAM (MAIN, VOLUME)........................34
CIRCUIT DIAGRAM (JACK)............................................. 36
CIRCUIT DIAGRAM (POWER) ........................................ 38
CIRCUIT BOARD (SW)....................................................... 40
CIRCUIT BOARD (SW)....................................................... 42
PHONES) .............................................................................. 44
ERROR MESSAGES............................................................. 46
17058298E0
SERVICE NOTES
Issued by RJA
Printed in Japan (0500) (AS)
DR-880

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Dr.Rhythm DR-880 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Roland Dr.Rhythm DR-880

Summary of Contents for Roland Dr.Rhythm DR-880

  • Page 1: Table Of Contents

    PHONES) ................44 WIRING DIAGRAM PARTS LIST ........10 ERROR MESSAGES............. 46 PARTS LIST................12 Copyright © 2004 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. 17058298E0...

  • Page 2: Cautionary Notes

    230V (#G245714101) Instruments 240V (#G2457142) Owner’s Manual English (#G6017380) Drum: Japanese (#G6017379) Bass: DR-880 Driver CD-ROM (#G2567133) Kits Roland Service (Information sheet) (#********) Preset: Options User: Foot Switch (FS-5U) Patterns Dual Foot Switch (FS-6) Expression Pedal (Roland EV-5) Preset: Foot Switch Cable (Roland PCS-31) User: (stereo 1/4”...

  • Page 3: Location Of Controls

    DR-880 LOCATION OF CONTROLS fig.DR-880-Panel.eps LOCATION OF CONTROLS PARTS LIST PART CODE CATEGORY PART NAME DESCRIPTION Q'TY F2477101 KNOB,BUTTON DR-KNOB 22480260 KNOB,BUTTON P R-KNOB MF BLK/LCG 01340412 KNOB,BUTTON P R-KNOB SF-A BLK/LCG G2567158 CASING DISPLAY COVER F2367103 MISCELLANEOUS CORD HOOK 12499175 KNOB,BUTTON BUTTON...

  • Page 4: Exploded View 1

    Dec.2004 EXPLODED VIEW 1 fig.explo1.eps EXPLODED VIEW 1 PARTS LIST [PARTS] PART CODE PART NAME DESCRIPTION Q'TY F2477101 DR-KNOB 22480260 P R-KNOB MF BLK/LCG 01340412 P R-KNOB SF-A BLK/LCG G2567158 DISPLAY COVER F2367103 CORD HOOK 12499175 BUTTON JSPUE001A [SCREWS] PART CODE PART NAME DESCRIPTION Q'TY...

  • Page 5: Exploded View 2

    DR-880 EXPLODED VIEW 2 fig.explo2.eps EXPLODED VIEW 2 PARTS LIST [PARTS] PART CODE PART NAME DESCRIPTION Q'TY G2357132 FOOT S20 T4 G2017197 BOTTOM CASE G2177303 LEAF M ********** INPUT BOARD (included with SW SHEET ASSY) ********** HEADPHONES BOARD (included with SW SHEET ASSY) 78E173M000 MAIN SHEET ASSY F3477006...

  • Page 6: Exploded View 3

    Dec.2004 EXPLODED VIEW 3 fig.explo3.eps EXPLODED VIEW 3 PARTS LIST [PARTS] PART CODE PART NAME DESCRIPTION Q'TY 78E173C000 TOP CASE ********** ENCODER BOARD (included with SW SHEET ASSY) F5029416 HG1306C-SYL-2 ********** VR BOARD ASSY (included with MAIN SHEET ASSY) G1147703 REAR PLATE F3477009 WIRING...

  • Page 7: Exploded View 4

    DR-880 EXPLODED VIEW 4 fig.explo4.eps EXPLODED VIEW 4 PARTS LIST [PARTS] PART CODE PART NAME DESCRIPTION Q'TY G2177302 LEAF L G2257317 INSULATING SHEET 78E173S000 SW SHEET ASSY G2497004 RUBBER SW 78E173C000 TOP CASE F2449236 FERRITE CORE FS0C320RT01 [SCREWS] PART CODE PART NAME DESCRIPTION Q'TY...

  • Page 8: Tape For Fixed Wring

    Dec.2004 TAPE for fixed wring fig.tape-e.eps TAPE SIZE 2.0cm Fixed by Tape 3.5cm TAPE: 40122645 NITTO FILAMENT TAPE #3883 W19MM 50M 60P (CM)

  • Page 9: Location To Paste Of Foot (Inside Of Bottom)

    DR-880 LOCATION TO PASTE of FOOT (Inside of Bottom) fig.bottom-e.eps Figure for Location to paste. G2357117 FOOT T=4MM 15X30MM 113mm 81mm Completion drawing.

  • Page 10: Wiring Diagram

    Dec.2004 WIRING DIAGRAM fig.wiring.eps PIN JACK BOARD WIRING ENCODER WIRING PIN JACK BOARD ENCODER BOARD BOARD MAIN SHEET ASSY WIRING BNCD-P= WIRING BNCD-P= INPUT WIRING 1.00-K-20-140 VOLUME BOARD 1.25-K-22-130 BOARD PHONES BOARD CN11 CN10 CN12 HEADPHONES INPUT BOARD LCD UNIT SW SHEET ASSY BOARD VOLUME BOARD...
  • Page 11 DR-880...

  • Page 12: Parts List

    Dec.2004 PARTS LIST fig.part1e Due to one or more of the following reasons, SAFETY PRECAUTIONS: parts with parts code ******** cannot be supplied as service parts. The parts marked have safety-related characteristics. Use only listed parts for replacement. • Part supplied only as a component in a complete assembly •...
  • Page 13 DR-880 02677490 RA0C-003XP7TC203C180AF003 IC (CUSTOM) 03676856 UPD703106AGJ-086-UEN (BG324 M) IC (CPU) IC11 F5249108 TC74VHC245FT IC (CMOS) IC2,IC25 F5279314 TC7S04FU IC (CMOS) IC17 F5279315 TC7SH32FU IC (CMOS) IC15,IC28 F5279316 TC7W04FU IC (CMOS) 15189261 M5218AFP-600E IC (BIPOLAR OP AMP) IC14,IC20,IC24 02900812 AK4353VFP-E2 IC (AD/DA) IC18 02451434...
  • Page 14 Dec.2004 RESISTOR F5419769 68X4 MTL.FILM RESISTOR RA20,RA21,RA24,RA27,RA29,RA31,RA32, RA33,RA34,RA35 F5399107 MTL.FILM RESISTOR F5399138 8.2K MTL.FILM RESISTOR R118 F5429350 562 F 1608 1/10W 5.6K OHM MTL. FILM RESISTOR R151 F5429375 47K OHM F RANK (1%) CHIP RESISTOR R103 F3749774 CARBON RESISTOR POTENTIOMETER F3229155 RV110-40E1-15A-B50K VOLUME...
  • Page 15 DR-880 CONNECTOR F3439158 A2001WV2-10P P=2MM CONNECTOR F3439222 A2001WV2-3P CONNECTOR CN6,CN7,CN11 F3439221 A2001WV2-4P CONNECTOR CN5,CN8 WIRING, CABLE F3477011 WIRING WIRING VR BOARD CN12 F3477009 WIRING WIRING PIN JACK BOARD F3477010 WIRING WIRING PHONES BOARD CN10 F3477012 WIRING WIRING LCD BACK LIGHT CN11 F3477008 WIRING...

  • Page 16: Checking The Version Number

    Dec.2004 CHECKING THE VERSION fig.09-030 (Ex.) NUMBER BOSS_DR-880 While holding down the [RESET][RWD] and [FWD] buttons, power-on the Removable Disk (*:) DR-880. Double-click the “BOSS_DR-880” (or “Removable disk (*:)”) icon. fig.1version.eps The files from the DR-880 will be displayed on the computer. File name Contents SYSTEM.DR8...

  • Page 17: Factory Reset Instructions

    DR-880 Reading backup data back into the When the backup data have been recovered, the message will disappear. At this point, you can safely disconnect the USB cable from the DR-880 DR-880 from the computer (Recover) and the computer. If you press [EXIT] without performing step 8, the message “Disconnect, Windows users OK?”...

  • Page 18: System Software Updating Instructions

    Dec.2004 SYSTEM SOFTWARE fig.system4 Flash-ROM Updater UPDATING INSTRUCTIONS adrs 0x0044FFF0 0x**** Required items Completed. sum(prg1)0x**** In order to play back the update data, you will need a means to play back SMF sum(prg2)0x**** data. Power-off the DR-880. We recommend a computer + UM-2 + UpdSMF.exe (UpdSMFJ.exe). In the explanation that follows, we assume that you are using a computer + UM-2 + UpdSMF.exe (UpdSMFJ.exe).
  • Page 19 DR-880 Test items 2. LED check Device check fig.ledcheck1.eps LED check SW check LCD and encoder check Piezo check Volume check Foot switch check Expression check Verify that all LEDs are lit. MIDI and USB check Lit button LED color 10.
  • Page 20 Dec.2004 3. SW and LED check 4. LCD and Encoder check fig.swcheck1.eps fig.lcdencordercheck1.eps Press the switch whose name is displayed. For switches that have a lit LED, verify that the LED goes dark when you press 4-1. Adjusting the LCD contrast the switch.
  • Page 21 DR-880 4-4. PATTERN check 4-8. All Lit check fig.lcdencordercheck4.eps fig.lcdencordercheck8.eps Verify that there is no inconsistency, missing characters, gaps, or light patches Check the text encircled in the illustration. in the LCD. [SONGPATTERN PRESET USER] Press [BANK]. Press [BANK]. 4-9. All Dark check 4-5.
  • Page 22 Dec.2004 5. Piezo check fig.volumecheck4.eps fig.piezo.eps Set the GUITAR/BASS INPUT VR to the maximum position. fig.volumecheck5.eps With your finger, lightly strike the pad [RIDE [20, B]] of the DR-880; the “VALUE” in the LCD will change. “PEAK” will indicate the peak-hold value. Gradually increase the force of your strikes until PEAK indicates “OK.”...
  • Page 23 DR-880 7-1. Press the FS-5U connected to CTL1 fig.exppedalcheck2.eps of the CTL 1,2 jack. fig.footswcheck2.eps Advance the EV-5 pedal to the maximum position (away from yourself). fig.exppedalcheck3.eps Release the FS-5U. fig.footswcheck3.eps Slowly return the EV-5 pedal to the minimum position (toward yourself). fig.exppedalcheck4.eps 7-2.
  • Page 24 Dec.2004 10. DSP Thru Waveform check 10-5. Insert the plug back into [MASTER OUTPUT] R, and check the fig.outputdacheck1.eps waveform. fig.outputdacheck4.eps 10-1. Check the [MASTER OUTPUT] waveform. fig.outputdacheck2.eps 10-6. Disconnect the plug from [MASTER OUTPUT] L (MONO), and check the waveform. fig.outputdacheck5.eps VOLT/DIV:2V TIME/DIV:1mS 10-2.
  • Page 25 DR-880 10-8. MUTE circuit check 10-8-2. Check the [MASTER OUTPUT] (PIN) waveform. Use [TSC] to switch between MUTE_OFF <--> ON. fig.outputdacheck7.eps fig.outputdacheck10.eps Amplitude: 1.5--1.9 [Vp-p] mute off fig.outputdacheck11.eps 10-8-1. Check the “MASTER OUTPUT L (MONO)/R” waveform. fig.outputdacheck8.eps mute on 10-8-3. Check the [INDIVIDUAL] waveform.
  • Page 26 Dec.2004 10-8-4. Check the [PHONES] fig.afgaincheck2.eps waveform. fig.outputdacheck14.eps Amplitude: 1.3--1.5 [Vp-p] Press [BANK] to proceed to the next test item. Amplitude: 4.9--6.1 [Vp-p] mute off 12. IN-OUT check, Residual fig.outputdacheck15.eps Noise check fig.inputadcheck1.eps 12-1. Check the “MASTER OUT” L mute on (MONO)/R waveform.
  • Page 27 DR-880 12-2. Check the residual noise of “MASTER OUT” L (MONO)/R. Listen to the noise, and verify the following. Noise level: -73 dBu or less (both L and R) No abnormal sound is present in the output. No abnormal sound is produced when you apply physical shock to the unit.

  • Page 28: Block Diagram

    Dec.2004 DR-880 BLOCK DIAGRAM fig.block.eps USB Controller IC FOOT SW 1.2 (MIDI or STRAGE) FOOT SW 3.4 / EXP PEDA L MIDI IN MIDI OUT FLASH MEMORY(16M) UPD703106(V8 50 MA1) DIGITAL OUT DRAM(4M/WO RKING) SW BOA RD ASSY JK1 A OUTPUT L( MONO) MASK ROM TC203C180AF...

  • Page 29: Circuit Board (Main Board)

    Dec.2004 DR-880 CIRCUIT BOARD (MAIN BOARD) fig.b-main1.eps View from components side...
  • Page 30 Dec.2004 DR-880 CIRCUIT BOARD (MAIN BOARD) fig.b-main2.eps View from foil side...

  • Page 31: Circuit Diagram (Main, Volume)

    Dec.2004 DR-880 CIRCUIT DIAGRAM (MAIN, VOLUME) fig.c-digital.eps D 3. 3 D 3. 3 C235 C236 C237 C238 C247 C239 VR1A RV110-40E1(50kB) C215 VR1B RV110-40E1(50kB) XRST N.I.U IC28 MAIN BOARD TC7SH32FU 100x4 VR2A ZCYS51R5-M3PAT RV110-40E1(50kB) YKF45-0021 N.I.U VR2B RV110-40E1(50kB) 1.5k (Digital) VR3A RV110-40E1(50kB) C240...

  • Page 32: Circuit Diagram (Jack)

    Dec.2004 DR-880 CIRCUIT DIAGRAM (JACK) fig.c-analog.eps D 3. 3 D 3. 3 C102 D 3. 3 N.I.U DAC/DIT DA204U C103 IC17 10/16 C105 JK3A 470k TC7S04FU SBT-0180W 220p YKC21-3486 DIGITAL OUT HTJ-064-10D 3. 3 FOOTSW 1,2 C104 4.7k 4.7k JK3B PT-10 (2280-T008) YKC21-3486 D 3.

  • Page 33: Circuit Diagram (Power)

    Dec.2004 DR-880 CIRCUIT DIAGRAM (POWER) fig.c-power.eps DSS9ND31H223Q91J D 3. 3 D 3. 3 SW1A R147 N.I.U SDKLA1-B 1N4004G 0.56(1/2W) 2SA1241Y TSL1112-471KR72 BRC ADAPTOR To LCD AC14V R149 JK12 SMDC075 R148 HEC0740-010010 C184 C185 SS14 Back N.I.U(SH-202) ERZVA7V330 470/35 C183 470/16 Light R150 2.2k...

  • Page 34: Circuit Board (Sw)

    Dec.2004 DR-880 CIRCUIT BOARD (SW) fig.b-sw1.eps View from components side...
  • Page 35 Dec.2004 DR-880 CIRCUIT BOARD (SW) fig.b-sw2.eps View from foil side...

  • Page 36: Circuit Diagram (Sw, Encoder, Pin, Input, Phones)

    Dec.2004 DR-880 CIRCUIT DIAGRAM (SW, ENCODER, PIN, INPUT, PHONES) fig.c-SW.eps D 3. 3 22FE-ST-VK-N SW_SCAN6 SW_SCAN5 SW_SCAN4 SW_SCAN3 To MAIN BOARD SW_SCAN2 SW_SCAN1 SW_SCAN0 SW_DATA7 SW_DATA6 SW_DATA5 [TSC] [GROOVE] [FILL IN] [CHORD PROGRESS] [PATTERN] [CURSOR UP] [CURSOR LEFT] SW_DATA4 SW_DATA3 SW_DATA2 EN1A EN1B...

  • Page 37: Error Messages

    An unknown error has occurred in the system. Action: Immediately stop using the unit, and consult your dealer or nearest Buffer full! Roland Service Center. Cause 1: Too many MIDI messages were received all at once, and the DR-880 was unable to process all of them.

Table of Contents