bossDR-770_SERVICE_NOTES电路图.pdf

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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 本書一部、全部無断複写転載禁。音色数 255 最大同時発音数 14 voices 数 :400 :400 数: 1

7、00 長:当最大250 総長:10,000 、分解能 4分音符当:96 Quarter note/分音符=20 260 入力方式、最大記憶音数約11,200音出力最大7 Vp-p（L（MONO）,R） -78 dBm以下（DIN AUDIO）（L（MONO）出力 1k（L（MONO）,R,INDIVIDUAL）電源 AC BOSS BRC 消費電流 700mA 外形寸法 215(W)165(D)57(H)mm 8-1/2(W)6-1/2(D)2-3/8(H)inches 重量 715g/1 lbs 10 oz 標準付属品取扱説明書（和文）:PNo.71238145 取扱説明書

8、（英文）:PNo.71238223 保証書(Japan Only):PNo.40232334 AC Adaptor AC ADAPTOR BRC-100 BOSS :PNo.00899078 主仕様目次主仕様内側導電塗装劣化配置図分解図方法確認方法方法方法方法図回路図 (JACK) 基板図 (JACK) 回路図 (MAIN) 基板図 (MAIN) 変更案内 RadioFans.CN 收音机爱好者资料库 DR-770Feb. 1999 2 PANEL LAYOUT FRONT VIEW REAR VIEW Top Case (01787767) LED (red) SL

9、C-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 RK14k 124 50KB2 (13289189) DR-Knob (BLK) (22485303) Ro

10、tary 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 (13429642) IDeterioration in the conductive coating

11、 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 becomes 5 or more, the effect of conductive coating can

12、not be expected. In such a case, replace the case. / 背面図 / 正面図 /配置図I内側導電塗装劣化内側導電塗装施、基板取外、取付繰返、部分塗装劣化。中心頭抵抗値、5以上、導電塗装効果望、交換下。 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 w01898189F

13、OOTD10 T4 e71238156JACK BOARD 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 !301787790RUBBE

14、R SWKEY !401787801RUBBER SWPAD !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 TAP

15、TITE P NI d This MG WASHER and 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 /分解図 d、#01231367 ROTARY ENCODER 含。 e、#13289189 POTENTIOMETER 含。 RadioFans.CN 收音机爱好者资料库

16、DR-770Feb. 1999 4 *1 *2 CASINGQty #01787734BOTTOM CASE1 #01787767TOP CASE1 #01787778DISPLAY COVER1 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 JAC

17、K, SOCKET 13429642M-S2-3PMIDI SOCKETJK108,JK107 on JB2 134494333.5MM STEREO YKB21-5130JACKJK105 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 #

18、E71238123MAIN BOARD ASSY(EXG)1 NOTE : MAIN BOARD ASSY includes the following parts. 12169388LED 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

19、. #01898889WIRINGGND 1P1 #01788556WIRING6P1 #01898989WIRINGW111 #01898001HEATSINK (DR-770)1 22465939HEATSINK (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 #71238167V

20、R BOARD ASSY1 NOTE : VR BOARD ASSY includes the following parts. 23505275WIRING HARNESS C6P 350-2751 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 01560289

21、TC55257DFL-55L(EL)IC SRAMIC10 on MB1 01122412TC551001CF-70LIC (SRAM)IC12 on MB1 #01788589LHMN4708IC (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)IC

22、14 on MB1 15249111TC7WU04F(TE12L)IC (C MOS)IC3 on MB1 15259889TC7S02F(TE85L)ICIC18 on MB1 15269805TC74AC14F(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

23、 on MB1 15189186UPC4570CIC (OP AMP) BIPOLARIC102,IC101 on JB2 15189248M5216PIC (OP AMP) BIPOLARIC103 on JB1 #01784834M62421SPFILTERIC106 on JB1 #01897801UPC7805AHFIC (REGULATOR)IC104 on JB1 #01897223UPC24M09AHFIC (REGULATOR)IC105 on JB1 TRANSISTOR 153091012SA1037KR T146 QRSTRANSISTORQ3 on MB1 153295

24、18DTA114TKT146TRANSISTORQ2,Q1 on MB2 #008944892SA1049-GR(TPE4)TRANSISTORQ104 on JB1 #017887342SC2459-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

25、following items in the order sheet. QTYPART NUMBERDESCRIPTIONMODEL NUMBER 1022575241Sharp keyC-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 pa

26、rts marked have safety- related characteristics. Use only listed parts for replacement. MB Main 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 batter

27、y away when you exchange to the new one.you exchange to the new one. / / 、 / / 、 / 表示 / 基板完成品注意: 補修用 MAIN BOARD ASSY 、下記部品含。注意: 補修用 ENC BOARD ASSY 、下記部品含。注意: 補修用 JACK BOARD ASSY 、下記部品含。注意: 補修用 VR BOARD ASSY 、下記部品含。 / 発注関願、必下記4項目正確記入下。（例外除）必要数品名使用機種 1022575241Sharp keyC-20/50 152247017300Knob (

28、orange)DAC-15D 記入洩、誤記等有場合、必要部品発送、大幅遅原因。御協力願。例）安全上注意：*1 付部品、安全上特別規格。交換際、指定部品番号以外部品使下。 / 付部品新規部品。*2 注意: 電池交換時、不要電池、環境問題十分考慮上処理下。 DR-770Feb. 1999 5 DIODE 15339135T01SS300(TE85R)DIODEDA2-DA20 on MB19 01127489RB715F T106SCHOTTKY DIODEDA1 on MB1 #15039221SLC-22VR3FLEDLED1 on MB1 #15039222SLC-22MG

29、3FLEDLED2 on MB1 150191261SS133 T-77SWITCHING DIODED104,D105,D106,D107 on JB4 150192601G4B42 1A/400VBRIDGE DIODED102 on JB1 01122323MTZJ T-77 8.2BZENER DIODED101 on JB1 01122312MTZJ T-77 5.6CZENER DIODED103 on JB1 RESISTOR 15399975RCE9A223JA (22KOHM X8)RESISTOR ARRAYRA4 on MB 15409113EXBV8V103JVRESI

30、STOR ARRAYRA7 on MB1 15399965RCE9A103JAG7A (10KOHM X8)RESISTOR ARRAYRA1,RA2,RA3 on MB #01788489CNB2B9ZTE332 JR-ARRAYRA5,RA6 on MB2 #13749187SR50TR 220 JCARBON RESISTORR127,R132 on JB2 #01897834ERF5AJ 150CEMENT RESISTORR137 on JB1 #01897812RSSX3 5.6 OHM JMTL.OXIDE RESISTORR136 on JB POTENTIOMETER 132

31、89189RK14K124 L1=15 50KBX2POTENTIOMETERVR301 on VB1 CAPACITOR #00783990MMTVA0050J474 200M.POLYEST CAP.C150,C151 on JB2 #0189777816MV470CZCHEMICAL CAPACITORC154 on JB1 #0189778925MV470CZ+TCHEMICAL CAPACITORC136,C137 on JB2 #0189779016MV100UGX+TCHEMICAL CAPACITORC142 on JB1 #0189794535MV10UGXCHEMICAL

32、CAPACITORC163 on JB1 INDUCTOR, COIL, FILTER 12449370SBT-0160WEMI FILTERL117 on JB1 12449381SBT-0460TF (TP)EMI FILTERL101-L111 on JB11 12449445ESD-R-16CFERRITE-CORE1 CRYSTAL, RESONATOR 00891801MA-406 24.000MHZCRYSTALX1 on MB1 ENCODER 01231367EC16B24204 (L=15)ROTARY ENCODERon EB1 CONNECTOR 23365653336

33、-653RUBBER CONNECTOR2 13369874IL-Z-11PL-SMTY-E1500CONNECTORCN2 on MB1 1336992853253-0610CONNECTORCN1 on MB1 13369968IL-404-17S-LWCONNECTORCN3 on MB1 1336994253254-0610CONNECTORCN101 on JB1 1336993953254-0310CONNECTORCN103 on JB1 SCREW 40012489SCREW M2.610BINDING TAPTITE FE BZC1 40011223SCREW M2.66BI

34、NDING TAPTITE P NI9 40012456SCREW M2.68BINDING TAPTITE P FE NI6 PACKING #01897923PAD ADAPTOR1 #01788512PAD UPPER1 #01788523PAD LOWER1 #01788501PACKING CASE1 MISCELLANEOUS 12569249S0LITHIUM BATTERYCR2032 220MAH/3V1 #01898189FOOTD10 T44 25095101PRESSURE SHEET SENSOR509-1011 #01892034VR SHIELD SHEET1 1

35、3429566IC SOCKET400-032-001 32P1 12569420LITHIUM BATTERY HOLDER(HL32-A2) FOR CR20321 ACCESSORIES (STANDARD) 00899078AC ADAPTORBRC-1001 00899089AC ADAPTORBRC-1201 00899090AC ADAPTORBRC-2301 00899101AC ADAPTORBRC-240A1 00905234EURO CONVERTER PLUGECP01-5A (PLUG FOR BRC-230T)1 #71238145OWNERS MANUALJAPA

36、NESE1 #71238223OWNERS MANUALENGLISH1 / / 抵抗 / / / 、 / 、発振子 / / / 類 / 梱包材 / 他 / 標準付属品 40232334保証書 (JAPAN ONLY) DR-770Feb. 1999 6 LOADING THE FACTORY PRESET DATA 1.Turn off the power to the DR-770. 2.While simultaneously pressing the RESET and REC buttons turn the power on. 3.The display will show “IN

37、IT?”. 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 mode. 5.Press the ENTER button again. The DR-770 is loaded the Fa

38、ctory 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 appear on the LCD display as shown below . The displayed version o

39、f 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 ENTER botton again. The display will show “Done” and the operation ent

40、ers 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 stored in the RAM of the mainframe (DR-770) in an external memory

41、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 memory on the receive device will be full before the Bulk Dump is c

42、ompleted, 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 MIDI to make “MIDI” light. The DR-770 is now in MIDI mode. 2.Use

43、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 PATTERN Data to be transferred 方法 1.DR-770電源一旦切。 2.RESET REC 同時押電源入。 3.LCD、“INIT ?”表示。 4.ENTER 押、LCD、“Sure ?”表示。注意：場合、ENTER 押、STOP/EXIT 押下。、 LCD、“Aborted”表示、通常。 5.一度 ENTER 押、 LCD、 “Done”表示、通常入。確認方法 1.SONG 数字 7 同時押電源入。 LCD、下記表示。表示ROM、ROM(IC8 on Main Board)。 2.数字 8 押、“INIT ?”表示。 ENTER 押、LCD、“SURE