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1、DR-770Feb. 1999 1 TABLE OF CONTENTSPage SPECIFICATIONS. 1 Deterioration in the conductive coating inside the case. 2 PANEL LAYOUT. 2 EXPLODED VIEW. 3 PARTS LIST. 4 LOADING THE FACTORY PRESET DATA. 6 IDENTIFYING THE VERSION NUMBER. 6 USER DATA SAVE AND LOAD. 6 How to save the User Data. 6 How to load
2、 the User Data. 7 TEST MODE. 8 TROUBLESHOOTING. 11 ERROR MESSAGE. 12 BLOCK DIAGRAM. 13 CIRCUIT DIAGRAM (JACK). 14 CIRCUIT BOARD (JACK). 15 CIRCUIT DIAGRAM (MAIN). 16 CIRCUIT BOARD (MAIN). 17 Change Information. 18 SERVICE NOTES First Edition Issued by RJA Copyright 1999 by ROLAND CORPORATION All rig
3、hts reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. 17059959Printed in Japan AA00 (DP) Dr. Rhythm SPECIFICATIONS G Instruments 255 G Maximum Polyphony 14 voices G Rhythm Patterns Preset Patterns : 400 User Patterns : 400 G Son
4、g Songs:100 Song Length: Maximum 250 parts for a song Total Parts for Songs : 10,000 G Effect Reverb,Flanger G Resolution Per quarter note : 96 G Tempo Quarter note=20 260 G Data Input Method Realtime/Step G Maximum Note Storage approx.11,200note G Output Level Max.7 Vp-p(L(MONO),R) G Noise Level Le
5、ss Than -78 dBm(DIN AUDIO)(L(MONO) G Output Impedance 1k(L(MONO),R, INDIVIDUAL) G Power Source AC Adaptor BOSS BRC Series G Current Draw 700mA G Dimensions 215(W)165(D)57(H)mm 8-1/2(W)6-1/2(D)2-3/8(H)inches G Weight 715g/1 lbs 10 oz G Accessories Owners Manual Set(English) : PNo.71238223 Owners Manu
6、al Set(Japanese) : PNo.71238145 AC Adaptor AC ADAPTOR BRC-100 BOSS :PNo.00899078 AC ADAPTOR BRC-120 BOSS :PNo.00899089 AC ADAPTOR BRC-230 BOSS :PNo. 00899090 AC ADAPTOR BRC-240A BOSS :PNo. 00899101 EURO CONVERTER PLUG ECP01-5A :PNo. 00905234 RadioFans.CN 收音机爱 好者资料库 DR-770Feb. 1999 2 PANEL LAYOUT FRO
7、NT VIEW REAR VIEW Top Case (01787767) LED (red) SLC-22VR3F 15039221 LED (green) SLC-22MG3F 15039222 Rubber Switch KEY (01787790) Rubber Switch PAD (01787801) Pressure Sheet Sensor (25095101) Plate (22055165) Display Cover (01787778) LCD RCD1627R (01788490) DR-Knob (BLK) (22485303) Rotary Volume RK14
8、k 124 50KB2 (13289189) DR-Knob (BLK) (22485303) Rotary Encoder EC16B 24204 (01231367) KEY Top (12499175) Switch SPUN19F (13129369) Jack HEC0740-01-010 (13449728) Jack YKB21-5130 (13449433) Jack HLJ7101-01-3010 (13449283) Bottom Case (01787734) Jack HLJ7001-01-3010 (13449284) MIDI Connector M-S2-3P (
9、13429642) IDeterioration in the conductive coating inside the case The inside of the case is coated with a conductive material. If the board undergoes repeated detaching/attaching, the coating on the boss may deteriorate. If the resistance value between the case center and the head of the boss becom
10、es 5 or more, the effect of conductive coating cannot be expected. In such a case, replace the case. RadioFans.CN 收音机爱 好者资料库 DR-770Feb. 1999 3 A B C D E F G H I J K L M N O P Q R S T U V EXPLODED VIEW Part NO.PART CODEPART NAMEDESCRIPTION q01787734BOTTOM CASE w01898189FOOTD10 T4 e71238156JACK BOARD
11、ASSY r12449445FERRITE-COREESD-R-16C t71238167VR BOARD ASSY y71238178ENC BOARD ASSY u01892034VR SHIELD SHEET i71238123MAIN BOARD ASSY(EXG) o22055165PLATE205-165 !025095101PRESSURE SHEET SENSOR509-101 !123365653RUBBER CONNECTOR336-653 !201788490LCDRCD1627R !301787790RUBBER SWKEY !401787801RUBBER SWPAD
12、 !501787767TOP CASE !612499175G S-BUTTONS1H BLK 249-175 !701787778DISPLAY COVER !822485303D R-KNOBL BLK 248-303 Screw NO.PART CODEPART NAMEDESCRIPTION a40012456SCREW M2.68BINDING TAPTITE P FE NI b40012489SCREW M2.610BINDING TAPTITE FE BZC c40011223SCREW M2.66BINDING TAPTITE P NI d This MG WASHER and
13、 MG NUT are included in the #01231367 ROTARY ENCODER. This MG WASHER and MG NUT are included in the #13289189 POTENTIOMETER. !1 !8 !6 !4 !2 !3 !5 !7 a b c 1 2 3 4 7 8 9 !0 d e 6 5 c RadioFans.CN 收音机爱 好者资料库 DR-770Feb. 1999 4 *1 *2 CASINGQty #01787734BOTTOM CASE1 #01787767TOP CASE1 #01787778DISPLAY CO
14、VER1 22055165PLATE205-1651 KNOB, BUTTON 12499175G S-BUTTONS1H BLK 249-1751 22485303D R-KNOBL BLK 248-3032 #01787790RUBBER SW KEY1 #01787801RUBBER SW PAD1 SWITCH 13129369SPUN19430APUSH SWITCHSW101 on JB1 JACK, SOCKET 13429642M-S2-3PMIDI SOCKETJK108,JK107 on JB2 134494333.5MM STEREO YKB21-5130JACKJK10
15、5 on JB1 134492836.5MM HLJ7101-01-3010JACKJK102,JK103,JK104 on JB3 134492846.5MM HLJ7001-01-3010JACKJK101 on JB1 13449728HEC0740-010010ADAPTOR JACKJK106 on JB1 DISPLAY UNIT #01788490RCD1627RLCD1 PCB ASSY # E71238123MAIN BOARD ASSY(EXG)1 NOTE : MAIN BOARD ASSY includes the following parts. 12169388LE
16、D SPACERLH-3-32 #71238178ENC BOARD ASSY1 NOTE : ENC BOARD ASSY includes the following parts. 23505274WIRING HARNESS B3P 350-2741 #71238156JACK BOARD ASSY1 NOTE : JACK BOARD ASSY includes the following parts. #01898889WIRINGGND 1P1 #01788556WIRING6P1 #01898989WIRINGW111 #01898001HEATSINK (DR-770)1 22
17、465939HEATSINK (DR-660)1 22190758HOLDER DIN SOCKET (2P)1 40011112SCREW M310BINDING TAPTITE B BZC2 40011090SCREW M36BINDING TAPTITE B BZC2 40016512LOCKING TIE80M/M T-18S2 40016545INSULOK TIESKM-11 #71238167VR BOARD ASSY1 NOTE : VR BOARD ASSY includes the following parts. 23505275WIRING HARNESS C6P 35
18、0-2751 IC #01784678HD6415108RF12IC (CPU)IC6 on MB1 15199923SED1278F0AIC (LCD DRIVER)IC9 on MB1 15239197MB622928PF-G-BND-ERIC (GATE ARRAY)IC19 on MB1 15239229TC6116AF (GP-4)IC (PCM CUSTOM)IC5 on MB1 01560289TC55257DFL-55L(EL)IC SRAMIC10 on MB1 01122412TC551001CF-70LIC (SRAM)IC12 on MB1 #01788589LHMN4
19、708IC (MASK ROM)IC8 on MB1 #01788578LHMN5KRP WAVE ROMIC (MASK ROM)IC4 on MB1 01340789BU9480FIC (D/A CONVERTER)IC15,IC16 on MB2 15259864T0TC74HC4052AF(EL)ICIC13,IC11 on MB2 15249104TC7S04F(TE85L)IC (C MOS)IC14 on MB1 15249111TC7WU04F(TE12L)IC (C MOS)IC3 on MB1 15259889TC7S02F(TE85L)ICIC18 on MB1 1526
20、9805TC74AC14F(EL)ICIC2 on MB1 15269810TC74AC138F(EL)IC (CMOS)IC17 on MB1 15289131BA10393F-E2IC (COMPARATOR)IC1 on MB1 15289709M51954BFP-600DIC (RESET)IC20 on MB1 15289125PC-410KT 178FAYIC (PHOTO COUPLER)IC7 on MB1 15189186UPC4570CIC (OP AMP) BIPOLARIC102,IC101 on JB2 15189248M5216PIC (OP AMP) BIPOLA
21、RIC103 on JB1 #01784834M62421SPFILTERIC106 on JB1 #01897801UPC7805AHFIC (REGULATOR)IC104 on JB1 #01897223UPC24M09AHFIC (REGULATOR)IC105 on JB1 TRANSISTOR 153091012SA1037KR T146 QRSTRANSISTORQ3 on MB1 15329518DTA114TKT146TRANSISTORQ2,Q1 on MB2 #008944892SA1049-GR(TPE4)TRANSISTORQ104 on JB1 #017887342
22、SC2459-GR(TPE4)TRANSISTORQ106,Q105 on JB2 15129204DTC343TS TPTRANSISTORQ101,Q102,Q103 on JB3 PARTS LIST CONSIDERATIONS ON PARTS ORDERING When ordering any parts listed in the parts list, please specify the following items in the order sheet. QTYPART NUMBERDESCRIPTIONMODEL NUMBER 1022575241Sharp keyC
23、-20/50 152247017300Knob (orange)DAC-15D Failure to completely fill the above items with correct number and description will result in delayed or even undelivered replacement. Ex. SAFETY PRECAUTION:*1 The parts marked have safety- related characteristics. Use only listed parts for replacement. MB Mai
24、n Board Assy VB VR Board Assy EB ENC Board Assy JB Jack Board Assy The parts marked # are new (initial parts). *2 Note: Consider about the natural environment carefully before through the old lithium battery away when you exchange to the new one.you exchange to the new one. DR-770Feb. 1999 5 DIODE 1
25、5339135T01SS300(TE85R)DIODEDA2-DA20 on MB19 01127489RB715F T106SCHOTTKY DIODEDA1 on MB1 #15039221SLC-22VR3FLEDLED1 on MB1 #15039222SLC-22MG3FLEDLED2 on MB1 150191261SS133 T-77SWITCHING DIODED104,D105,D106,D107 on JB4 150192601G4B42 1A/400VBRIDGE DIODED102 on JB1 01122323MTZJ T-77 8.2BZENER DIODED101
26、 on JB1 01122312MTZJ T-77 5.6CZENER DIODED103 on JB1 RESISTOR 15399975RCE9A223JA (22KOHM X8)RESISTOR ARRAYRA4 on MB 15409113EXBV8V103JVRESISTOR ARRAYRA7 on MB1 15399965RCE9A103JAG7A (10KOHM X8)RESISTOR ARRAYRA1,RA2,RA3 on MB #01788489CNB2B9ZTE332 JR-ARRAYRA5,RA6 on MB2 #13749187SR50TR 220 JCARBON RE
27、SISTORR127,R132 on JB2 #01897834ERF5AJ 150CEMENT RESISTORR137 on JB1 #01897812RSSX3 5.6 OHM JMTL.OXIDE RESISTORR136 on JB POTENTIOMETER 13289189RK14K124 L1=15 50KBX2POTENTIOMETERVR301 on VB1 CAPACITOR #00783990MMTVA0050J474 200M.POLYEST CAP.C150,C151 on JB2 #0189777816MV470CZCHEMICAL CAPACITORC154 o
28、n JB1 #0189778925MV470CZ+TCHEMICAL CAPACITORC136,C137 on JB2 #0189779016MV100UGX+TCHEMICAL CAPACITORC142 on JB1 #0189794535MV10UGXCHEMICAL CAPACITORC163 on JB1 INDUCTOR, COIL, FILTER 12449370SBT-0160WEMI FILTERL117 on JB1 12449381SBT-0460TF (TP)EMI FILTERL101-L111 on JB11 12449445ESD-R-16CFERRITE-CO
29、RE1 CRYSTAL, RESONATOR 00891801MA-406 24.000MHZCRYSTALX1 on MB1 ENCODER 01231367EC16B24204 (L=15)ROTARY ENCODERon EB1 CONNECTOR 23365653336-653RUBBER CONNECTOR2 13369874IL-Z-11PL-SMTY-E1500CONNECTORCN2 on MB1 1336992853253-0610CONNECTORCN1 on MB1 13369968IL-404-17S-LWCONNECTORCN3 on MB1 133699425325
30、4-0610CONNECTORCN101 on JB1 1336993953254-0310CONNECTORCN103 on JB1 SCREW 40012489SCREW M2.610BINDING TAPTITE FE BZC1 40011223SCREW M2.66BINDING TAPTITE P NI9 40012456SCREW M2.68BINDING TAPTITE P FE NI6 PACKING #01897923PAD ADAPTOR1 #01788512PAD UPPER1 #01788523PAD LOWER1 #01788501PACKING CASE1 MISC
31、ELLANEOUS 12569249S0LITHIUM BATTERYCR2032 220MAH/3V1 #01898189FOOTD10 T44 25095101PRESSURE SHEET SENSOR509-1011 #01892034VR SHIELD SHEET1 13429566IC SOCKET400-032-001 32P1 12569420LITHIUM BATTERY HOLDER(HL32-A2) FOR CR20321 ACCESSORIES (STANDARD) 00899078AC ADAPTORBRC-1001 00899089AC ADAPTORBRC-1201
32、 00899090AC ADAPTORBRC-2301 00899101AC ADAPTORBRC-240A1 00905234EURO CONVERTER PLUGECP01-5A (PLUG FOR BRC-230T)1 #71238145OWNERS MANUALJAPANESE1 #71238223OWNERS MANUALENGLISH1 DR-770Feb. 1999 6 LOADING THE FACTORY PRESET DATA 1.Turn off the power to the DR-770. 2.While simultaneously pressing the RE
33、SET and REC buttons turn the power on. 3.The display will show “INIT?”. 4.Press the ENTER button and the display will show “SURE?”. NOTE : If initialization is not necessary do not press the ENTER button. Press the STOP/EXIT button. The display will show “Aborted” and the operation will enter normal
34、 mode. 5.Press the ENTER button again. The DR-770 is loaded the Factory preset Data and then the display will show “Done” and the operation will enter normal mode. IDENTIFYING THE VERSION NUMBER 1.While simultaneously pressing the SONG and Numeric button 7 turn the power on. The version number will
35、appear on the LCD display as shown below . The displayed version of number is ROM (IC8 on Main Board) s version number. 2.When pressing the Numeric button 8, the display will show “INIT ?”. Then press the ENTER button the display will show “SURE?”. If you want to initialize the DR-770 press the ENTE
36、R botton again. The display will show “Done” and the operation enters normal mode. If not initializing, press the STOP/EXIT button. The display will show “Aborted” and the operation enters normal mode. The displayed date differs depending on the ROM version. USER DATA SAVE AND LOAD To save the data
37、stored in the RAM of the mainframe (DR-770) in an external memory or load external MIDI. Methods of transmitting and receiving data are explained below. NOTE : If loading is executed all data stored in the RAM of the mainframe will be lost. NOTE : If you select “ALL” and execute the Bulk Dump, the m
38、emory on the receive device will be full before the Bulk Dump is completed, not being able to receive any more data. If this happens, change the data to be transferd to “SEQ,” “GLOBAL,” “DRMKITS,” or “1DRMKIT,” then execute the Bulk Dump again. How to save the User Data Connections Procedure 1.Press
39、 MIDI to make “MIDI” light. The DR-770 is now in MIDI mode. 2.Use to select “9 BULK.” PAD BANKFUNCMODE MIDI OUT Receive device MIDI IN Transmit device (DR-770) MIDI sequencer Computer etc. FUNCMODE INSERT COPY DELETE SONG PATTERN PAD UTILITY REAL STEP EFFECTS MIDI QUANTIZE NEXT PTN PART BEAT LENGTH
40、PATTERN Data to be transferred DR-770Feb. 1999 7 3.Use DEC INC or VALUE to select the type of data that will be transmitted. ALL:All data of the DR-770 SEQ:All patterns and songs GLOBAL:DPP/roll/metronome/MIDI settings DRMKITS: All user drum kits 1DRMKIT: A specified individual drum kit (If this dat
41、a is transmitted to the DR-770, the drum kit that is currently selected on the receiving device will change to the drum kit settings that were received.) 4.Press ENTER. The display will ask “Sure?,” allowing you to confirm whether you really want to execute the bulk dump. IIf you selected “1DRMKIT,”
42、 use DEC INC or VALUE to select the drum kit whose data you want to transmit. 5.To execute the bulk dump, press ENTER. The display will indicate “Trnsmit” (transmitting) “Done,” and the bulk dump will be completed. If you decide to cancel, press STOP/EXIT. The bulk dump will be canceled, and the dis
43、play will indicate “Aborted. QUANTIZE NEXT PTN PART BEAT LENGTH PATTERN PAD BANKFUNCMODE MIDI OUT Receive device (DR-770) MIDI IN Transmit device MIDI sequencer Computer etc. How to load the User Data Connections Connections 1.Press MIDI to make “MIDI” light. The DR-770 is now in MIDI mode. 2.Use to select “2 MIDIch.” 3.Use VALUE* to select the MIDI channel. IIf you want to restore data that was formetly transmitted to a sequencer, set the unit to the same MIDI channel that was used when transmitting the data. IIf you want to receive data that being transmittied from another DR-770,
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