Specifications

ManualsBrandsRoland ManualsOtherDR-880

SERVICE NOTES

Issued by RJA

of ROLAND CORPORATION.

Printed in Japan (0500) (AS)17058298E0

Dec.2004

DR-880

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

LOCATION TO PASTE of FOOT (Inside of Bottom) ...... 9

WIRING DIAGRAM........................................................... 10

WIRING DIAGRAM PARTS LIST.................................... 10

PARTS LIST.......................................................................... 12

CHECKING THE VERSION NUMBER ...........................16

Computer to DR-880 connection .......................................16

USERS DATA SAVE AND LOAD ....................................16

FACTORY RESET INSTRUCTIONS .................................17

SYSTEM SOFTWARE UPDATING INSTRUCTIONS....18

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

CIRCUIT DIAGRAM (SW, ENCODER, PIN, INPUT,

PHONES) ..............................................................................44

ERROR MESSAGES............................................................. 46

Summary of content (37 pages)

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DR-880 Dec.2004 SERVICE NOTES Issued by RJA 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 ......................................
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Dec.2004 CAUTIONARY NOTES Resolution Per quarter note: 96 User data status User data status after each of the following processes is described below. Whenever carrying out procedures that involve deleting or erasing user data, always be sure to back up the user data to some form of external media (refer to Saving and Loading Data).
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DR-880 LOCATION OF CONTROLS fig.DR-880-Panel.eps 28 5 29 30 33 11 27 32 31 6 13 4 1 38 3 36 2 37 10 34 34 35 34 31 32 LOCATION OF CONTROLS PARTS LIST No.
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Dec.2004 EXPLODED VIEW 1 fig.explo1.eps EXPLODED VIEW 1 PARTS LIST [PARTS] No. 1 2 3 4 5 6 PART CODE F2477101 22480260 01340412 G2567158 F2367103 12499175 PART NAME DR-KNOB P R-KNOB P R-KNOB DISPLAY COVER CORD HOOK BUTTON DESCRIPTION MF BLK/LCG SF-A BLK/LCG JSPUE001A Q'TY 1 1 3 1 1 1 [SCREWS] No.
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DR-880 EXPLODED VIEW 2 fig.explo2.eps EXPLODED VIEW 2 PARTS LIST [PARTS] No. 16 17 18 19 20 21 24 25 26 40 41 PART CODE G2357132 G2017197 G2177303 ********** ********** 78E173M000 F3477006 F3477008 F3477010 F3477007 G2357117 PART NAME FOOT BOTTOM CASE LEAF M INPUT BOARD HEADPHONES BOARD MAIN SHEET ASSY WIRING WIRING WIRING WIRING FOOT DESCRIPTION S20 T4 (included with SW SHEET ASSY) (included with SW SHEET ASSY) BNCD-P=1.25-K-22-130 WIRING INPUT BOARD WIRING PHONES BOARD BNCD-P=1.
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Dec.2004 EXPLODED VIEW 3 fig.explo3.eps EXPLODED VIEW 3 PARTS LIST [PARTS] No. 11 12 13 14 15 22 23 41 42 PART CODE 78E173C000 ********** F5029416 ********** G1147703 F3477009 F3477011 F3477012 ******** PART NAME TOP CASE ENCODER BOARD LCD VR BOARD ASSY REAR PLATE WIRING WIRING WIRING PIN JACK BOARD DESCRIPTION (included with SW SHEET ASSY) HG1306C-SYL-2 (included with MAIN SHEET ASSY) WIRING PIN JACK BOARD WIRING VR BOARD WIRING LCD BACK LIGHT (included with SW SHEET ASSY) [SCREWS] No.
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DR-880 EXPLODED VIEW 4 fig.explo4.eps EXPLODED VIEW 4 PARTS LIST [PARTS] No. 7 8 9 10 11 39 PART CODE G2177302 G2257317 78E173S000 G2497004 78E173C000 F2449236 PART NAME LEAF L INSULATING SHEET SW SHEET ASSY RUBBER SW TOP CASE FERRITE CORE DESCRIPTION FS0C320RT01 Q'TY 1 1 1 1 1 1 [SCREWS] No.
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Dec.2004 TAPE for fixed wring fig.tape-e.eps TAPE SIZE 2.0cm Fixed by Tape 3.
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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 139mm 123mm 0 0 Completion drawing.
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Dec.2004 WIRING DIAGRAM fig.wiring.eps WIRING 7 PIN JACK BOARD 1 CN11 MAIN SHEET ASSY 8 CN8 WIRING INPUT BOARD CN2 CN1 2 CN11 INPUT BOARD 4 3 BNCD-P= 1.00-K-20-140 BNCD-P= 1.25-K-22-130 CN1 LCD UNIT SW SHEET ASSY WIRING DIAGRAM PARTS LIST NO 1 2 3 4 5 6 7 8 10 PART CODE F3477013 F3477008 F3477007 F3477006 F3477011 F3477010 F3477009 F3477012 PART NAME WIRING WIRING WIRING WIRING WIRING WIRING WIRING WIRING DESCRIPTION WIRING ENCODER BOARD WIRING INPUT BOARD BNCD-P=1.00-K-20-140 BNCD-P=1.
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DR-880 11
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Dec.2004 PARTS LIST fig.part1e SAFETY PRECAUTIONS: The parts marked have safety-related characteristics. Use only listed parts for replacement. Due to one or more of the following reasons, parts with parts code ******** cannot be supplied as service parts. • Part supplied only as a component in a complete assembly • Copyright does not permit the part to be supplied • Part is sold commercially NOTE: The parts marked # are new.
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DR-880 IC 02677490 03676856 F5249108 F5279314 F5279315 F5279316 15189261 02900812 02451434 RA0C-003XP7TC203C180AF003 UPD703106AGJ-086-UEN (BG324 M) TC74VHC245FT TC7S04FU TC7SH32FU TC7W04FU M5218AFP-600E AK4353VFP-E2 AK4552VT IC (CUSTOM) IC (CPU) IC (CMOS) IC (CMOS) IC (CMOS) IC (CMOS) IC (BIPOLAR OP AMP) IC (AD/DA) IC (AD/DA) IC8 IC11 IC2,IC25 IC17 IC15,IC28 IC7 IC14,IC20,IC24 IC18 IC22 1 1 2 1 2 1 3 1 1 F5309115 15319104 F5309602 15319101 F5319602 F5329529 15329103 2SA1241-Y 2SA1586-GR(TE85R) 2SB1182
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Dec.2004 RESISTOR # 10 MTL.FILM RESISTOR MTL.FILM RESISTOR MTL. FILM RESISTOR CHIP RESISTOR CARBON RESISTOR RA20,RA21,RA24,RA27,RA29,RA31,RA32, RA33,RA34,RA35 R62 R118 R151 R103 C64 RV110-40E1-15A-B50K RV142A-40E1-15A-A50K VOLUME VOLUME VR1,VR2,VR3 VR4 3 1 F3587451 02341489 F3629696 F5359732 F5359780 F5359803 F5359800 ERZVA7V330 ECPU1C474MA5 2.
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DR-880 CONNECTOR # # F3439158 F3439222 F3439221 A2001WV2-10P P=2MM A2001WV2-3P A2001WV2-4P CONNECTOR CONNECTOR CONNECTOR CN4 CN6,CN7,CN11 CN5,CN8 1 3 2 WIRING, CABLE # # # # # # # # F3477011 F3477009 F3477010 F3477012 F3477008 F3477013 F3477006 F3477007 WIRING WIRING WIRING WIRING WIRING WIRING WIRING WIRING WIRING VR BOARD WIRING PIN JACK BOARD WIRING PHONES BOARD WIRING LCD BACK LIGHT WIRING INPUT BOARD WIRING ENCODER BOARD BNCD-P=1.25-K-22-130 BNCD-P=1.
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Dec.2004 CHECKING THE VERSION NUMBER fig.09-030 (Ex.) BOSS_DR-880 While holding down the [RESET][RWD] and [FWD] buttons, power-on the DR-880. fig.1version.eps Removable Disk (*:) 5. Double-click the “BOSS_DR-880” (or “Removable disk (*:)”) icon. The files from the DR-880 will be displayed on the computer. File name SYSTEM.DR8 UGFX.DR8 UKIT.DR8 USEQ.DR8 UTSC.DR8 6.
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DR-880 Reading backup data back into the DR-880 from the computer (Recover) When the backup data have been recovered, the message will disappear. Windows users If you press [EXIT] without performing step 8, the message “Disconnect, OK?” is displayed.In this case, press [EXIT] and then perform step 8. 1. Use a USB cable to connect the DR-880 to your computer. 2. With playback stopped, press [EDIT]. If you press [ENTER], the connection between the DR-880 and the computer will be forcibly terminated.
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Dec.2004 SYSTEM SOFTWARE UPDATING INSTRUCTIONS fig.system4 Flash-ROM Updater adrs 0x0044FFF0 sum 0x**** Required items * In order to play back the update data, you will need a means to play back SMF data. 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). 1. SMF data for the update CD-ROM (#17041565) Completed. sum(prg1)0x**** sum(prg2)0x**** 7. Power-off the DR-880.
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DR-880 Test items 2. LED check 1. Device check fig.ledcheck1.eps 2. LED check 3. SW check 4. LCD and encoder check 5. Piezo check 6. Volume check 7. Foot switch check 8. Expression check Verify that all LEDs are lit. 9. MIDI and USB check Lit button LED color 10. Output D/A check 1. EFFECT red: 1 11. AF Gain check 2. LOOP red: 1 12. Input A/D check 3. PLAY green: 2 4. REC red: 1 5. FAVORITE 1 red: 1 6. FAVORITE 2 red: 1 7. FAVORITE 3 red: 1 8.
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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 the switch. fig.swcheck2.eps 4-1. Adjusting the LCD contrast Verify that there is no crosstalk in the background and is no unevenness in the contrast. If there is a no problem with the contrast. -> Use [BANK] to proceed to the next test item If there is a problem with the contrast.
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DR-880 4-4. PATTERN check 4-8. All Lit check fig.lcdencordercheck4.eps fig.lcdencordercheck8.eps Check the text encircled in the illustration. [SONGPATTERN PRESET USER] Verify that there is no inconsistency, missing characters, gaps, or light patches in the LCD. Press [BANK]. Press [BANK]. 4-5. PATTERN No. check 4-9. All Dark check fig.lcdencordercheck5.eps Check the text encircled in the illustration. [8 8 8] Press [BANK]. 4-6. TEMPO check fig.lcdencordercheck9.
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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.” fig.piezocheck2.eps 6-2. Drum VR check Perform the same test for the DRUM VR. (maximum -> center -> minimum -> maximum) fig.volumecheck6.
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DR-880 7-1. Press the FS-5U connected to CTL1 of the CTL 1,2 jack. fig.exppedalcheck2.eps 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. Test CTL2 in the same way. (press -> release) fig.footswcheck4.eps The OK result will not appear unless the center position is detected.
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Dec.2004 10. DSP Thru Waveform check fig.outputdacheck1.eps 10-5. Insert the plug back into [MASTER OUTPUT] R, and check the 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. Slowly turn [MASTER VOLUME] toward the minimum position.
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DR-880 10-8. MUTE circuit check Use [TSC] to switch between MUTE_OFF <--> ON. fig.outputdacheck7.eps 10-8-2. Check the [MASTER OUTPUT] (PIN) waveform. 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 mute off Amplitude: 4.8--6.0 [Vp-p] 10-8-3. Check the [INDIVIDUAL] waveform. fig.outputdacheck12.eps fig.outputdacheck9.eps mute on Amplitude: 1.8--2.3 [Vp-p] mute off fig.
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Dec.2004 10-8-4. Check the [PHONES] waveform. fig.afgaincheck2.eps 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 fig.outputdacheck15.eps 12. IN-OUT check, Residual Noise check fig.inputadcheck1.eps mute on 10-8-5. Check the DIGITAL OUT waveform. fig.outputdacheck16.eps 12-1. Check the “MASTER OUT” L (MONO)/R waveform. Input a sine wave (200 Hz, -10 dBm) from the “GUITAR/BASS INPUT.
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DR-880 12-2. 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 L and R) 2. No abnormal sound is present in the output. 3. No abnormal sound is produced when you apply physical shock to the unit. 12-3. Check the residual noise of “MASTER OUT” (PIN). Listen to the noise, and verify the following. 1. Noise level: -82 dBu or less (both L and R) 2. No abnormal sound is present in the output. 3.
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Dec.2004 DR-880 BLOCK DIAGRAM fig.block.eps USB Controller IC (MIDI or STRAGE) MIDI IN MIDI OUT CPU UPD703106(V8 50 MA1) 2 3 1 JK4 2 3 1 JK5 FOOT SW 1.2 FOOT SW 3.
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Dec.2004 DR-880 CIRCUIT BOARD (MAIN BOARD) fig.b-main1.
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Dec.2004 DR-880 CIRCUIT BOARD (MAIN BOARD) fig.b-main2.
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Dec.2004 DR-880 CIRCUIT DIAGRAM (MAIN, VOLUME) fig.c-digital.eps D +3. 3 R1 10k + A0 D +3. 3 C215 0.1 1 5 6 7 8 XRST 4 2 6 7 1 6 IC7C TC7W04FU IC7A TC7W04FU 11 42 D D +3. 3 L33 N1608Z601T01 G DIR 8 IC7B 5 7 SDRAM(16Mbit) D +3. 3 R300 10k A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 R24 10k D +3. 3 20 32 31 30 29 28 27 24 23 22 21 18 17 16 15 A20 19 X1 HC-49SM(6MHz) 36 14 1 37 C52 15p 34 R33 6.8k 52 53 54 1 D13 2 N.I.U 1 2 3 D12 RD5.6EB2 DA2 D +3.
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Dec.2004 DR-880 CIRCUIT DIAGRAM (JACK) fig.c-analog.eps D C107 0.1 9 ESP_DA1 10 11 12 7 6 13 8 LOUT RIN ROUT SDTI SDTO LRCK MCLK BCLK DEM1 DEMO PDN VCOM 3 3 C118 N.I.U A A D D 2 4 1 L20 N1608Z601T01 L30 N1608Z601T01 A OUTPUT R JK7 HTJ-064-10I C251 0.1 A C129 47/16 R99 1k R101 100k Q5 RN1441 1 R102 10k C132 N.I.U A A R120 10k C145 N.I.U A A 1 2 3 D To PIN JACK BOARD 2 A D CN7 A2001WV2-3P 1 2 3 3 C128 N.I.U C200 0.
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Dec.2004 DR-880 CIRCUIT DIAGRAM (POWER) fig.c-power.eps FL2 DSS9ND31H223Q91J FL3 N.I.U(SH-202) L28 TSL1112-471KR72 C184 ERZVA7V330 R148 1k C185 470/35 To LCD Back Light D7 SS14 C183 470/16 D R150 2.2k D FL4 DSS9ND31H223Q91J D CN11 A2001WV2-3P D 8 CD 7 CS SI ES 6 V+ IN+ 4 GND CT 1 2 3 1 2 5 R155 43(1/2W) D 3 IC26 NJM2374AM R152 3.3k(F-rank) C186 150p D Q12 2SD1758 2 3 2 D8 1N4004G 1 IN OUT A +3. 3 3 2 C188 0.1 D9 RD13ESAB2 C189 100/16 C190 0.1 C191 0.
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Dec.2004 DR-880 CIRCUIT BOARD (SW) fig.b-sw1.
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Dec.2004 DR-880 CIRCUIT BOARD (SW) fig.b-sw2.
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Dec.2004 DR-880 CIRCUIT DIAGRAM (SW, ENCODER, PIN, INPUT, PHONES) fig.c-SW.eps 2 1 2 1 PIEZO1 DB-E648 R144 C180 10k 0.47(ECPU1C474MA5) 20 10 Q1 2SK880GR 220k R4 10k A PIEZO Pickup R20 68 LED11 KP-1608SRC-PRV(RED) CN3 WIRING PIN JACK BOARD 1 1 2 2 3 3 1 C3 0.1 R21 68 D +3.
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Dec.2004 ERROR MESSAGES System error ! Cause: Buffer full! Cause 1: Too many MIDI messages were received all at once, and the DR-880 was unable to process all of them. Action 1:Reduce the volume of the MIDI messages being sent by the transmitting device. Cause 2: You attempted to play back an excessive amount of data, and the DR880 was unable to process all of it. Action 2:Reduce the amount of data being played back, or slow down the playback tempo.