Roland MT-90U Spécifications

SERVICE NOTESIssued by RJACopyright © 2008 Roland CorporationAll rights reserved. No part of this publication may be reproduced in any form without th

10Mar. 2008 MT-90UExploded View (2)fig.bunkaizu-2.epsExploded View (2) Parts ListView 7, 8, 9abadaaView7 View8View9No. Part Code Part Name Description

11Mar. 2008 MT-90UImportant Notes on AssemblyTo prevent damage to the wiring, cover edges using acetate tape.fig.kumitate-1.epsfig.kumitate-2.epsTo pr

12Mar. 2008 MT-90UTo prevent dust entry, apply cushion tape to the LCD unit. Do not peel off the backing paper.fig.kumitate-5-e.epsTo prevent light le

13Mar. 2008 MT-90UAs a measure to prevent electromagnetic interference (EMI), attach Wiring J-2 to the Volume Board. Be careful to attach at the corre

14Mar. 2008 MT-90UBlock Diagram/Wiring Diagramfig.block.eps@LW1W2W3W4

15Mar. 2008 MT-90Ufig.block.eps@RW5W6W7W8W9W10W11No. Part Code Part Name Description Q’tyW1 04894167 WIRING SW 2P L=120 UL1061 AWG22 VHR 1W2 05012456

16Mar. 2008 MT-90UParts Listfig.-part1-e.epsSAFETY PRECAUTIONS:The parts marked have safety-related characteristics. Use only listed parts for replac

17Mar. 2008 MT-90UPOTENTIOMETER# 04890223 9MM VOLUME VX09211NPP20U1B20K VR1, VR2 on Jack Board 2# 05017756 14MM ROTARY VOLUME (STEREO)F14KH-1 B10K L15

18Mar. 2008 MT-90UVerifying the Version Number1. Hold down the [1] button and the [ ] button and switch on the power.The version number appears on the

19Mar. 2008 MT-90U1. VersionVerify the version of the system.1. Hold down the [R] and [ ] buttons and switch on the power.The Test mode is enabled.2.

2Mar. 2008 MT-90UCautionary NotesBefore beginning the procedure, please read through this document. The matters described may differ according to the

20Mar. 2008 MT-90U9. Volume TestThis tests the volume controls.fig.test-Volume-1.eps1. Turn the Mic Echo control on the rear panel and verify that the

21Mar. 2008 MT-90USpeaker Test1. Adjust Volume to maximum and switch on the power.2. Verify that the built-in speaker does not produce a large amount

22Mar. 2008 MT-90UCircuit Board (Main Board)fig.b-main-1.eps

23Mar. 2008 MT-90Ufig.b-main-2.eps

24Mar. 2008 MT-90UCircuit Diagram (Main Board: 1/4)fig.d-main-1.eps@L

25Mar. 2008 MT-90Ufig.d-main-1.eps@R* No components are mounted on gray parts (or red parts on PDF).

26Mar. 2008 MT-90UCircuit Diagram (Main Board: 2/4)fig.d-main-2.eps* No components are mounted on gray parts (or red parts on PDF).

27Mar. 2008 MT-90UCircuit Diagram (Main Board: 3/4)fig.d-main-3.eps* No components are mounted on gray parts (or red parts on PDF).

28Mar. 2008 MT-90UCircuit Diagram (Main Board: 4/4)fig.d-main-4.eps*No components are mounted on gray parts (or red parts on PDF).

29Mar. 2008 MT-90U

3Mar. 2008 MT-90USound GeneratorMax. Polyphony128 voices (MIDI only)Tones348 tones (including 8 drum sets, 1 effects set)Internal SoundsConforms to GM

30Mar. 2008 MT-90UCircuit Board (Panel Board)fig.b-panel-1.eps

31Mar. 2008 MT-90Ufig.b-panel-2.eps

32Mar. 2008 MT-90UCircuit Diagram (Panel Board)fig.d-panel.eps@L

33Mar. 2008 MT-90Ufig.d-panel.eps@R

34Mar. 2008 MT-90UCircuit Board (Jack, Volume, IR, USB, Power SW Board)fig.b-jack-1.eps

35Mar. 2008 MT-90Ufig.b-jack-2.eps

36Mar. 2008 MT-90UCircuit Diagram (Jack Board: 1/3)fig.d-jack-1.eps@L

37Mar. 2008 MT-90Ufig.d-jack-1.eps@R

38Mar. 2008 MT-90UCircuit Diagram (Jack Board: 2/3)fig.d-jack-2.eps@L

39Mar. 2008 MT-90Ufig.d-jack-2.eps@R

4Mar. 2008 MT-90ULocation of Controls (Front Panel)fig.FrontPanel.epsLocation of Controls (Front Panel) Parts List171092381112654No. Part Code Part Na

40Mar. 2008 MT-90UCircuit Diagram (Jack Board: 3/3)fig.d-jack-3.eps@L

41Mar. 2008 MT-90Ufig.d-jack-3.eps@R

42Mar. 2008 MT-90UCircuit Diagram (Volume Board)fig.d-volume.eps@L

43Mar. 2008 MT-90Ufig.d-volume.eps@R

44Mar. 2008 MT-90UCircuit Diagram (IR Board)fig.d-ir.epsCircuit Diagram (USB Board)fig.d-usb.eps

45Mar. 2008 MT-90UCircuit Diagram (Power SW Board)fig.d-pw-sw.eps

46Mar. 2008 MT-90U

47Mar. 2008 MT-90U

MEMOMar. 2008 MT-90U

5Mar. 2008 MT-90ULocation of Controls (Rear Panel)fig.RearPanel.epsLocation of Controls (Rear Panel) Parts List213 487 96510No. Part Code Part Name De

6Mar. 2008 MT-90UExploded View (All)fig.bunkaizu-all.epsView3View4View5View1View2View9View8View6View75191718101112413671491516120328

7Mar. 2008 MT-90UExploded View (All) Parts ListNo. Part Code Part Name Description Q’ty1 04787601 REAR CASE 12 04787534 FRONT CASE 13 02342712 SPEAKER

8Mar. 2008 MT-90UExploded View (1)fig.bunkaizu-1.epsbafaffcfeView1 View2View3 View4View5 View6

9Mar. 2008 MT-90UExploded View (1) Parts ListView 1, 2View 3, 4View 5, 6No. Part Code Part Name Description Q’tya 40011312 SCREW 3X8 BINDING TAPTITE P