Roland MT-90U Music Player Service Manual 电路图.pdf

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1、SERVICE NOTES Issued by RJA Copyright 2008 Roland Corporation All rights reserved. No part of this publication may be reproduced in any form without the written permission of Roland Cororation. Printed in Japan (0285) (CC-KWS)17058572E0 Mar. 2008MT-90U Table of Contents Cautionary Notes.2 Main Speci

2、fications.2 Location of Controls (Front Panel) .4 Location of Controls (Front Panel) Parts List.4 Location of Controls (Rear Panel).5 Location of Controls (Rear Panel) Parts List.5 Exploded View (All).6 Exploded View (All) Parts List.7 Exploded View (1).8 Exploded View (1) Parts List.9 Exploded View

3、 (2).10 Exploded View (2) Parts List.10 Important Notes on Assembly.11 Block Diagram/Wiring Diagram.14 Parts List.16 Verifying the Version Number.18 Performing a Factory Reset.18 Updating the System .18 Test Mode.18 Circuit Board (Main Board) .22 Circuit Diagram (Main Board: 1/4).24 Circuit Diagram

4、(Main Board: 2/4).26 Circuit Diagram (Main Board: 3/4).27 Circuit Diagram (Main Board: 4/4).28 Circuit Board (Panel Board).30 Circuit Diagram (Panel Board).32 Circuit Board (Jack, Volume, IR, USB, Power SW Board).34 Circuit Diagram (Jack Board: 1/3).36 Circuit Diagram (Jack Board: 2/3).38 Circuit Di

5、agram (Jack Board: 3/3).40 Circuit Diagram (Volume Board).42 Circuit Diagram (IR Board).44 Circuit Diagram (USB Board).44 Circuit Diagram (Power SW Board).45 RadioFans.CN 收音机爱 好者资料库 2 Mar. 2008MT-90U Cautionary Notes Before beginning the procedure, please read through this document. The matters desc

6、ribed may differ according to the model. Back Up User Data! Executing a Factory Reset returns the following settings to their factory defaults. These cannot be backed up. Note them down on paper as required. Tuning settings (Owners Manual p. 17) Metronome tone (Owners Manual p. 47) Count sound setti

7、ngs (Owners Manual p. 48) Lyrics-display language setting (Owners Manual p. 49) Track Assign settings (Owners Manual p. 50) Setting the Type and Timing of CD to be Played Back (Owners Manual p.51) USB memory settings (Owners Manual p. 52) USB driver settings (Owners Manual p. 52) Part Replacement Wh

8、en replacing components near the power-supply circuit or a heat- generating circuit (such as a circuit provided with a heat sink or including a cement resistor), carry out the procedure according to the instructions with respect to the part number, direction, and attachment position (mounting so as

9、to leave an air gap between the component and the circuit board, etc.). Parts List A component whose part code is * cannot be supplied as a service part because one of the following reasons applies. Because it is supplied as an assembled part (under a different part code). Because a number of circui

10、t boards are grouped together and supplied as a single circuit board (under a different part code). Because supply is prohibited due to copyright restrictions. Because reissuance is restricted. Because the part is made to order (at current market price). Circuit Diagram In the circuit diagram, “NIU”

11、 is an abbreviation for “Not in Use,” and “UnPop” is an abbreviation for “Unpopulated.” They both mean non-mounted components. The circuit board and circuit board diagram show silk-screened indications, but no components are mounted. In the Main Board Circuit Diagram (p. 24), red parts on the PDF an

12、d gray parts on paper media service notes mean non-mounted components. The circuit board and circuit diagram show silk-screened indications, but no components are mounted. Main Specifications MT-90U: Music Player Playback Composer External Memory USB Memory (sold separately) Floppy Disk *Read only *

13、USB 3.5 in. floppy disk drive (FD-01 series) required (sold separately) CD-ROM Audio CD *Read only *Commercial USB CD drive required Supported Data Standard MIDI Files (format 0/1) Roland Original Format Audio files (WAV; 44.1 kHz, 16 bit linear format) MP3 files (44.1 kHz, 32 to 320 kbps) Audio CD

14、*Commercial USB CD drive required Tracks 16 tracks Control Reset, Stop, Play, Bwd, Fwd, Repeat, Marker, Song, Tempo, +, -, Track Selection, Count In, Metronome (MIDI only), Center Cancel (audio only) Tempo Quarter note = 10 to 500 (MIDI only) 75 to 125% (audio only) Resolution 120 ticks per quarter

15、note (MIDI only) Transpose -6 to +5 (semitones) Demo Songs 14 songs RadioFans.CN 收音机爱 好者资料库 3 Mar. 2008MT-90U Sound Generator Max. Polyphony 128 voices (MIDI only) Tones 348 tones (including 8 drum sets, 1 effects set) Internal Sounds Conforms to GM2 system/GS format/XGlite supported Master Tuning 4

16、15.3 Hz to 466.2 Hz (0.1 Hz units) Effects Reverb (MIDI only) Chorus (MIDI only) Sound Control: Sharp, Clear, Power Sequencer Metronome Time Signatures:2/2, 0/4, 2/4, 3/4, 4/4, 5/4, 6/4, 7/4, 3/8, 6/8, 9/8, 12/8 Volume:11 levels Pattern:11 patterns Other Functions Infrared Transmission Mic Echo Song

17、 List Floppy Disk Backup Others Display Beat Indicator 122 x 32 dot, Graphic LCD (with backlight) Language Japanese (song title, lyrics), English Lyric Display Yes (LCD display) Controls Volume Mic volume Mic echo Speaker switch Rated Power Output 5 W Speakers 10 cm x 1 Connectors External memory co

18、nnector:USB type A USB connector:USB type B Output jack (R/L):RCA pin type Microphone jack (Mono):Standard type Headphones jack:Stereo, mini type MIDI In connector Start/Stop jack Power Supply DC9V Current Draw 2000 mA Dimensions 165 (W) x 186 (D) x 270 (H) mm 6-1/2 (W) x 7-3/8 (D) x 10-11/16 (H) in

19、ches Weight 2.5 Kg / 5 lbs 9 oz Accessories AC Adaptor (#04236101) Power Codefor 120 V (#02562456) for 220 V CN (#5100000564) for 230 V E (#5100000115) for 230 V EU (#01903356) for 240 V A (#03785590) Remote Control (#04898434) Lithium Battery (CR2025) (#*) Owners Manual English (#04787745) Options

20、USB Memory (M-UF1GB) Floppy Disk Drive (FD-01 series) Roland Microphone (DR-10/20) Pedal Switch (DP-2) *In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice. RadioFans.CN 收音机爱 好者资料库 4 Mar. 2008MT-90U Location of Controls

21、 (Front Panel) fig.FrontPanel.eps Location of Controls (Front Panel) Parts List 1 7 10 9 2 3 8 1112 6 5 4 No.Part CodePart NameDescriptionQty 104787512DISPLAY COVER1 04780545LCD221-3065-07841 204892901RADIAL LED (2COLOR RED/GREEN)L-3749ESGC1 304787623R-KNOB MF1 0501775614MM ROTARY VOLUME (STEREO)F14

22、KH-1 B10K L15 FCX71 404787612RUBBER SWITCH1 504787567LED LENS 4P1 604787590LED LENS 5P1 04780456LED (RED)L-314ED4 704787589LED LENS 1P1 02015623LED (GREEN)SLR-342MG3F6 8023416893.5MM JACKHTJ-035-281 904787490BUTTON1 05017823POWER SWITCHPWL-2P1TL-6SASTC-0011 1004787645FRONT PANEL1 1104787556IRDA COVE

23、R1 04673667INFRARED TRANSCEIVER MODULETFDU4101-TT31 03342178ICGP1UM261RK0F1 1204560101USB CONNECTOR A TYPE FEMALEUAR27-4K5J001 5 Mar. 2008MT-90U Location of Controls (Rear Panel) fig.RearPanel.eps Location of Controls (Rear Panel) Parts List 2 1 34 879 6 5 10 No.Part CodePart NameDescriptionQty 1023

24、41634DC JACK HTJ-020-05A(610-00100-04-00)1 2, 8005692786.5MM JACKLGR4609-7100F2 3, 4048902239MM VOLUMEVX09211NPP20U1B20K2 504890689SLIDE SWITCHSKA-22D01N-G6-NA1 605014890PIN JACK 2L2P WR NIHSP-242V1P-011 703909767DIN CONNECTORHDC-052A-111 901459945USB CONNECTORYKF45-00021 1040454856SCREW M4X10BINDIN

25、G NI1 6 Mar. 2008MT-90U Exploded View (All) fig.bunkaizu-all.eps View3View4 View5 View1 View2 View9 View8 View6 View7 5 19 17 18 10 11 12 4 13 6 7 14 9 15 16 1 20 3 2 8 7 Mar. 2008MT-90U Exploded View (All) Parts List No.Part CodePart NameDescriptionQty 104787601REAR CASE1 204787534FRONT CASE1 30234

26、2712SPEAKER FULL-RANGE1 404780545LCD221-3065-07841 504787634SP GRILLE + NET1 604787556IRDA COVER1 704898312IR BOARD ASSY1 804898334VOLUME BOARD ASSY1 904898367SW BOARD ASSY1 1005122112FRONT PANEL WITH LED LENS1 1104787612RUBBER SWITCH1 1204898378PANEL BOARD ASSY1 1304787501CHASSIS1 1404898301USB BOA

27、RD ASSY1 1504785823MAIN BOARD ASSY1 1604898290JACK BOARD ASSY1 1704787623R-KNOB MF1 1804787490BUTTON1 1904787512DISPLAY COVER1 2001235378FOOT4 8 Mar. 2008MT-90U Exploded View (1) fig.bunkaizu-1.eps b a f a f f c f e View1View2 View3View4 View5View6 9 Mar. 2008MT-90U Exploded View (1) Parts List View

28、 1, 2 View 3, 4 View 5, 6 No.Part CodePart NameDescriptionQty a40011312SCREW 3X8BINDING TAPTITE P BZC5 b40012490SCREW 4X10BINDING TAPTITE P BZC4 c40011334SCREW 3X12BINDING TAPTITE-P FE BZC1 e40454856SCREW M4X10BINDING NI1 f03904456SCREW 3X6B-TITE BIND BZC4 No.Part CodePart NameDescriptionQty f039044

29、56SCREW 3X6B-TITE BIND BZC8 No.Part CodePart NameDescriptionQty a40011312SCREW 3X8BINDING TAPTITE P BZC6 f03904456SCREW 3X6B-TITE BIND BZC2 10 Mar. 2008MT-90U Exploded View (2) fig.bunkaizu-2.eps Exploded View (2) Parts List View 7, 8, 9 a b a d a a View7View8 View9 No.Part CodePart NameDescriptionQ

30、ty a40011312SCREW 3X8BINDING TAPTITE P BZC19 b40012490SCREW 4X10BINDING TAPTITE P BZC4 d40012867SCREW M3X8PAN MACHINE W/SW+PW ZC2 11 Mar. 2008MT-90U Important Notes on Assembly To prevent damage to the wiring, cover edges using acetate tape. fig.kumitate-1.eps fig.kumitate-2.eps To prevent screechin

31、g (unpleasant noise caused by vibration), apply acetate tape having a width of 10 mm to the front case. fig.kumitate-3-e.eps fig.kumitate-4-e.eps 10mm10mm 25mm25mm 10mm 10mm 10mm 10mm Apply 2 overlapping strips. Apply 2 overlapping strips. Apply 1 strip. Apply 1 strip. Not OKOK Acetate tape Front ca

32、se 12 Mar. 2008MT-90U To prevent dust entry, apply cushion tape to the LCD unit. Do not peel off the backing paper. fig.kumitate-5-e.eps To prevent light leakage by the LCD backlight from the speaker grille, apply acetate tape having a width of 12 mm. fig.kumitate-6.eps fig.kumitate-7-e.eps Secure t

33、he LCD wiring in place on the back of the front case using acetate tape. fig.kumitate-8.eps fig.kumitate-9-e.eps Secure the IrDA cover in place using double-sided adhesive tape having a width of 5 mm. fig.kumitate-10.eps fig.kumitate-11.eps Do not peel off the backing paper. Not OK Not OK 13 Mar. 20

34、08MT-90U As a measure to prevent electromagnetic interference (EMI), attach Wiring J-2 to the Volume Board. Be careful to attach at the correct angle. fig.kumitate-12.eps fig.kumitate-13-e.eps Apply cushion tape for protecting the wiring to the Jack Board. Take care not to cover the screw hole. fig.

35、kumitate-14.eps Twist the 9-pin wiring connecting the Jack Board and Volume Board 3 turns. fig.kumitate-15-e.eps Also secure the 9-pin wiring and 3-pin wiring using a sub-tie. fig.kumitate-16.eps To keep the volume control from coming loose, apply double-sided adhesive tape having a width of 5 mm to

36、 the volume shaft. fig.kumitate-17.eps fig.kumitate-18-e.eps Attachment angle not OK 20mm Twist 3 turns. 3-pin 9-pin Volume control Double-sided adhesive tape 14 Mar. 2008MT-90U Block Diagram/Wiring Diagram fig.block.epsL W1 W2 W3 W4 15 Mar. 2008MT-90U fig.block.epsR W5 W6 W7 W8 W9 W10 W11 No.Part C

37、odePart NameDescriptionQty W104894167WIRINGSW 2P L=120 UL1061 AWG22 VHR1 W205012456WIRING J-21 W304894145WIRING3P L=50 UL1061 AWG26 PHR-PHR1 W405012067WIRING J-11 W504894156WIRING USB5P L=130 UL20276 PHR-PHR1 W604894134WIRING6P L=90 UL1061 AWG26 PHR-PHR1 W704894201WIRING FFC20624FWRP1.00K1(0.05 x 0.

38、7)201 W805011167WIRING SHIELD3P L=100 UL2791 AWG28 PHR-PHR1 W904894178WIRING SP2P L=100 UL1061 AWG20 XHP1 W1004894189WIRING FFC20624FWRP1.00K1(0.05 x 0.7)161 W1104894190WIRING FFC20624FWRP1.25K1(0.05 x 0.8)181 16 Mar. 2008MT-90U Parts List fig.-part1-e.eps SAFETY PRECAUTIONS: The parts marked have s

39、afety-related characteristics. Use only listed parts for replacement. NOTE: The parts marked # are new. (initial parts) 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 no

40、t permit the part to be supplied Part is sold commercially The description QTY means a necessary number of the parts per one product. CASING #04787501CHASSIS1 #04787512DISPLAY COVER1 #04787534FRONT CASE1 #04787556IRDA COVER1 #04787601REAR CASE1 #04787634SP GRILLE + NET1 #04787645FRONT PANEL1 #051221

41、12FRONT PANEL WITH LED LENS 1 KNOB, BUTTON #04787490BUTTON1 #04787623R-KNOB MF1 SWITCH #04787612RUBBER SWITCH1 #04890689SLIDE SWITCHSKA-22D01N-G6-NASW2 on Jack Board1 #05017823POWER SWITCHPWL-2P1TL-6SASTC-001SW401 on Power SW Board1 JACK, EXT TERMINAL 005692786.5MM JACKLGR4609-7100FJK2 on Jack Board

42、, JK4 on Main Board2 01459945USB CONNECTORYKF45-0002JK2 on Main Board1 02341634DC JACK HTJ-020-05A(610-00100-04-00)JK1 on Jack Board1 023416893.5MM JACKHTJ-035-28JK301 on Volume Board1 03909767DIN CONNECTORHDC-052A-11JK3 on Main Board1 #05014890PIN JACK 2L2P WR NIHSP-242V1P-01JK3 on Jack Board1 0456

43、0101USB CONNECTOR A TYPE FE- MALE UAR27-4K5J00JK201 on USB Board1 DISPLAY UNIT 04780545LCD221-3065-07841 SPEAKER, BUZZER 02342712SPEAKER FULL-RANGE1 PWB ASSY #04785823MAIN BOARD ASSY1 #04898290JACK BOARD ASSY1 #04898301USB BOARD ASSY1 #04898312IR BOARD ASSY1 #04898334VOLUME BOARD ASSY1 #04898367SW B

44、OARD ASSY1 #04898378PANEL BOARD ASSY1 IC 03342178ICGP1UM261RK0FCN102 on IR Board1 #04673667INFRARED TRANSCEIVER MODULE TFDU4101-TT3IC101 on IR Board1 DIODE 02015623LED (GREEN)SLR-342MG3FLED5, LED6, LED7, LED8, LED9, LED10 on Panel Board 6 04780456LED (RED)L-314EDLED, LED2, LED3, LED4 on Panel Board4

45、 #04787567LED LENS 4P1 #04787589LED LENS 1P1 #04787590LED LENS 5P1 #04892901RADIAL LED (2COLOR RED/ GREEN) L-3749ESGCLED301 on Volume Board1 17 Mar. 2008MT-90U POTENTIOMETER #048902239MM VOLUMEVX09211NPP20U1B20KVR1, VR2 on Jack Board2 #0501775614MM ROTARY VOLUME (STEREO) F14KH-1 B10K L15 FCX7VR301 on Volume Board1 WIRING, CABLE #04894134WIRING