BOSS DR 880 SERVICE NOTES
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2 Dec.2004 CAUTIONARY NOTES 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). * Executing Test Mode during Factory Reset deletes the user data. PARTS LIST 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 CIRCUIT BOARD NIU meant that "NOT IN USE " there don't set any contents in the Circuit Diagram. There has silk-screen only in the Circuit Board. SPECIFICATIONS Specifications DR-880: Dr.Rhythm Maximum Polyphony 32 voices * Depending on the bass tone used, maximum polyphony may be lower. Instruments Drum: 440 Bass: 40 Kits Preset: 100 User: 100 Patterns Preset: 500 User: 500 Songs User: 100 Maximum Note Storage Approx. 30,000 notes * This may be smaller than this depending on the contents of created pattern and song. Resolution Per quarter note: 96 Tempo Quarter note: 20-260 bpm Pads 20 with velocity sensitive Display Custom LCD with backlight Connectors (Rear) Master Out L (MONO), R (1/4 Phone Type) Master Out L, R (Phono Type) Individual A, B (1/4 Phone Type) Digital Out (coaxial) CTL 1,2 (TRS 1/4 Phone Type) CTL 3,4/EXP PEDAL (TRS 1/4 Phone Type) USB MIDI IN, OUT AC Adaptor (Front) Phones (Stereo 1/4 Phone Type) Guitar/Bass Input (1/4 Phone Type) Power Supply AC Adaptor (BRC series) Power Consumption 600 mA (Max.) Dimensions 273 (W) x 242 (D) x 72 (H) mm 10-3/4 (W) x 9-9/16 (D) x 2-7/8 (H) inches Weight 1.4 kg / 3 lbs 2 oz (excluding AC adaptor) Accessories AC Adaptor 100V (#G2457143) 120V (#G2457144) 230V (#G245714101) 240V (#G2457142) Owners Manual English (#G6017380) Japanese (#G6017379) DR-880 Driver CD-ROM (#G2567133) Roland Service (Information sheet) (#********) Options Foot Switch (FS-5U) Dual Foot Switch (FS-6) Expression Pedal (Roland EV-5) Foot Switch Cable (Roland PCS-31) (stereo 1/4 phone plug-1/4 phone plug x 2) * In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice. Process User Data Checking Version number Preserved Factory Reset Deleted System Update Preserved Test Mode Preserved
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3 DR-880 LOCATION OF CONTROLS fig.DR-880-Panel.eps LOCATION OF CONTROLS PARTS LIST No. PART CODE CATEGORY PART NAME DESCRIPTION Q'TY 1 F2477101 KNOB,BUTTON DR-KNOB 1 2 22480260 KNOB,BUTTON P R-KNOB MF BLK/LCG 1 3 01340412 KNOB,BUTTON P R-KNOB SF-A BLK/LCG 3 4 G2567158 CASING DISPLAY COVER 1 5 F2367103 MISCELLANEOUS CORD HOOK 1 6 12499175 KNOB,BUTTON BUTTON JSPUE001A 1 10 G2497004 KNOB,BUTTON SW SHEET ASSY 1 11 78E173C000 CASING TOP CASE 1 13 F5029416 DISPLAY UNIT LCD HG1306C-SYL-2 1 27 13449728 JACK,EXT TERMINAL ADAPTOR JACK HEC0740-010010 1 28 F3439216 JACK,EXT TERMINAL USB JACK YKF45-0021 1 29 13429825 JACK,EXT TERMINAL MIDI CONNECTOR YKF51-5054 2PZ 1 30 F3439217 JACK,EXT TERMINAL PIN JACK YKC21-3486 1 31 F3449120 JACK,EXT TERMINAL 6.5MM JACK HTJ-064-10D 3 32 F3449106 JACK,EXT TERMINAL JACK HTJ064-10I 5 33 13449650 JACK,EXT TERMINAL PIN JACK YKC21-3045 (DUAL) 1 34 F5339405 DIODE LED KP-1608SRC-PRV 8 35 F5339406 DIODE LED KP-1608MGC 2 36 F3229155 POTENTIOMETER VOLUME RV110-40E1-15A-B50K 3 37 F3229156 POTENTIOMETER VOLUME RV142A-40E1-15A-A50K 1 38 01905467 ENCODER ROTARY ENCODER EVE GC1 F20 24B 1 11 34 28 37 1 4 32 31 30 29 6 27 13 32 34 31 35 36 3 38 5 33 34 10 2