Roland DR-880 Specifications

SERVICE NOTES Issued by RJA Copyright © 2004 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form withou

10Dec.2004WIRING DIAGRAMfig.wiring.epsWIRING DIAGRAM PARTS LISTCN7CN11CN5CN8CN1CN2CN4CN3PIN JACK BOARDVOLUME BOARDCN12SW SHEET ASSYMAIN SHEET ASSYCN1L

11DR-880

12Dec.2004PARTS LISTfig.part1eSAFETY PRECAUTIONS:The parts marked have safety-related characteristics. Use only listed parts for replacement.NOTE: Th

13DR-880 02677490 RA0C-003XP7TC203C180AF003 IC (CUSTOM) IC8 1# 03676856UPD703106AGJ-086-UEN (BG324 M)IC (CPU) IC11 1# F5249108 TC74VHC245

14Dec.2004# F5419769 68X4 MTL.FILM RESISTOR RA20,RA21,RA24,RA27,RA29,RA31,RA32,RA33,RA34,RA3510# F5399107 75 MTL.FILM RESISTOR R62 1# F539

15DR-880 F3439158 A2001WV2-10P P=2MM CONNECTOR CN4 1# F3439222 A2001WV2-3P CONNECTOR CN6,CN7,CN11 3# F3439221 A2001WV2-4P CONNECTOR CN5,

16Dec.2004CHECKING THE VERSION NUMBERWhile holding down the [RESET][RWD] and [FWD] buttons, power-on the DR-880.fig.1version.epsThe version of CPU and

17DR-880Reading backup data back into the DR-880 from the computer (Recover)Windows users1. Use a USB cable to connect the DR-880 to your computer.2.

18Dec.2004SYSTEM SOFTWARE UPDATING INSTRUCTIONSRequired items* In order to play back the update data, you will need a means to play back SMF data.We r

19DR-880Test items1. Device check2. LED check3. SW check4. LCD and encoder check5. Piezo check6. Volume check7. Foot switch check8. Expression check9.

2Dec.2004CAUTIONARY NOTESUser data statusUser data status after each of the following processes is described below.Whenever carrying out procedures th

20Dec.20043. SW and LED checkfig.swcheck1.epsPress the switch whose name is displayed.For switches that have a lit LED, verify that the LED goes dark

21DR-8804-4. PATTERN checkfig.lcdencordercheck4.epsCheck the text encircled in the illustration.[SONGPATTERN PRESET USER]Press [BANK].4-5. PATTERN No.

22Dec.20045. Piezo checkfig.piezo.epsWith your finger, lightly strike the pad [RIDE [20, B]] of the DR-880; the “VALUE” in the LCD will change.“PEAK”

23DR-8807-1. Press the FS-5U connected to CTL1 of the CTL 1,2 jack.fig.footswcheck2.epsRelease the FS-5U.fig.footswcheck3.eps7-2. Test CTL2 in the sam

24Dec.200410. DSP Thru Waveform checkfig.outputdacheck1.eps10-1. Check the [MASTER OUTPUT] waveform.fig.outputdacheck2.epsVOLT/DIV:2V TIME/DIV:1mS10-

25DR-88010-8. MUTE circuit checkUse [TSC] to switch between MUTE_OFF <--> ON.fig.outputdacheck7.eps10-8-1. Check the “MASTER OUTPUT L (MONO)/R”

26Dec.200410-8-4. Check the [PHONES] waveform.fig.outputdacheck14.epsAmplitude: 4.9--6.1 [Vp-p]mute offfig.outputdacheck15.epsmute on10-8-5. Check the

27DR-88012-2. Check the residual noise of “MASTER OUT” L (MONO)/R.Listen to the noise, and verify the following.1. Noise level: -73 dBu or less (both

29Dec.2004 DR-880 BLOCK DIAGRAM fig.block.epsDRAM(4M/WORKING)OUTPUTVOLUMETC203C180AFINDIVIDUAL AFLASH MEMORY(16M)TC223C080AF-101LCD DRIVERMASK ROM(WA

31Dec.2004 DR-880 CIRCUIT BOARD (MAIN BOARD) fig.b-main1.epsView from components side

3DR-880LOCATION OF CONTROLSfig.DR-880-Panel.epsLOCATION OF CONTROLS PARTS LISTNo. PART CODE CATEGORY PART NAME DESCRIPTION Q'TY1 F2477101 KNOB,BU

33Dec.2004 DR-880 CIRCUIT BOARD (MAIN BOARD) fig.b-main2.epsView from foil side

35Dec.2004 DR-880 CIRCUIT DIAGRAM (MAIN, VOLUME) fig.c-digital.epsESP4XP7CPU V850 MA1WAVE ROM(128Mbit)SDRAM(16Mbit)FLASH MEM(16Mbit)DRAM(4Mbit)To SW

37Dec.2004 DR-880 CIRCUIT DIAGRAM (JACK) fig.c-analog.epsINDIVIDUAL AINDIVIDUAL BDIGITAL OUTFOOTSW 1,2OUTPUT ROUTPUT L(MONO)FOOTSW 3,4 / EXP PEDALTo

39Dec.2004 DR-880 CIRCUIT DIAGRAM (POWER) fig.c-power.epsBRC ADAPTORAC14VTo LCDBackLightDDD DDD+A3.3A+D3.3DDDD+D3.32+12-1JK12HEC0740-010010213C1910.1

41Dec.2004 DR-880 CIRCUIT BOARD (SW) fig.b-sw1.epsView from components side

43Dec.2004 DR-880 CIRCUIT BOARD (SW) fig.b-sw2.epsView from foil side

45Dec.2004 DR-880 CIRCUIT DIAGRAM (SW, ENCODER, PIN, INPUT, PHONES) fig.c-SW.epsPIEZO PickupTo MAIN BOARDSW BOARDOUTPUT LPIN JACK BOARDTo MAIN BOARDT

46Dec.2004 ERROR MESSAGES Buffer full! Cause 1: Too many MIDI messages were received all at once, and the DR-880 was unable to process all of them.Ac

4Dec.2004EXPLODED VIEW 1fig.explo1.epsEXPLODED VIEW 1 PARTS LIST[PARTS][SCREWS]No. PART CODE PART NAME DESCRIPTION Q'TY1 F2477101 DR-KNOB 12 2248

5DR-880EXPLODED VIEW 2fig.explo2.epsEXPLODED VIEW 2 PARTS LIST[PARTS][SCREWS]No. PART CODE PART NAME DESCRIPTION Q'TY16 G2357132 FOOT S20 T4 417

6Dec.2004EXPLODED VIEW 3fig.explo3.epsEXPLODED VIEW 3 PARTS LIST[PARTS][SCREWS]No. PART CODE PART NAME DESCRIPTION Q'TY11 78E173C000 TOP CASE 112

7DR-880EXPLODED VIEW 4fig.explo4.epsEXPLODED VIEW 4 PARTS LIST [PARTS][SCREWS]No. PART CODE PART NAME DESCRIPTION Q'TY7 G2177302 LEAF L 18 G22573

8Dec.2004TAPE for fixed wringfig.tape-e.eps3.5cm2.0cmTAPE: 40122645 NITTO FILAMENT TAPE #3883 W19MM 50M 60P (CM)Fixed by TapeTAPE SIZE

9DR-880LOCATION TO PASTE of FOOT (Inside of Bottom)fig.bottom-e.eps139mm123mm0081mm113mmG2357117FOOT T=4MM 15X30MMCompletion drawing.Figure for Locati