Yamaha-MU100-tg-sm 维修电路原理图.pdf

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1、SERVICE MANUALTONE GENERATORCONTENTSSPECIFICATIONS3PANEL LAYOUT4CIRCUIT BOARD LAYOUT5BLOCK DIAGRAM6DISASSEMBLY PROCEDURE7LSI PIN DESCRIPTION12IC BLOCK DIAGRAM14CIRCUIT BOARDS16TEST PROGRAM18MIDI / COMPUTER CONNECTING CABLES23ERROR MESSAGES24INITIALIZE25MIDI IMPLEMENTATION CHART26OVERALL CIRCUIT DIAG

2、RAM27PARTS LISTSY 011450PLG-100DXPLG-100VLPLG-100VHHAMAMATSU, JAPAN0.32K-3942 Printed in Japan 99.01RadioFans.CN 收音机爱 好者资料库MU1002WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (whereapplicable)

3、 components may also contain traces of chemicals found by the California Health and Welfare Agency (and possiblyother entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASONWHAT SO EVER!Av

4、oid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyesto solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handlingfood.LITHIUM BATTERY HANDLINGTh

5、is product uses a lithium battery for memory back-up.WARNING:Lithium batteries are dangerous because they can be exploded by improper handling. Observe the followingprecautions when handling or replacing lithium batteries.Leave lithium battery replacement to qualified service personnel.Always replac

6、e with batteries of the same type.When installing on the PC board by soldering, solder using the connection terminals provided on the battery cells.Never solder directly to the cells. Perform the soldering as quickly as possible.Never reverse the battery polarities when installing.Do not short the b

7、atteries.Do not attempt to recharge these batteries.Do not disassemble the batteries.Never heat batteries or throw them into fire.ADVARSEL!Lithiumbatteri-Eksplosionsfare ved fejlagtig hndtering. Udskiftning m kun ske med batteri af samme fabrikat og type. Levr detbrugte batteri tilbage til leverandr

8、en.VARNINGExplosionsfara vid felaktigt batteribyte.Anvnd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.Kassera anvnt batteri enligt fabrikantens instruktion.VAROITUSParisto voi rjht, jos se on virheellisesti asennettu.Vaihda paristo ainoastaan laitevalmistajan suo

9、sittelemaan tyyppiin.Hvit kytetty paristo valmistajan ohjeiden mukaisesti.The following information complies with Dutch Official Gazette 1995. 45; ESSENTIALS OF ORDER ON THE COLLECTION OFBATTERIES.Please refer to the diassembly procedure for the removal of Back-up Battery.Leest u voor het verwijdere

10、n van de backup batterij deze beschrijving.IMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed thatbasic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and und

11、erstood bythe users, and have therefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personalinjury, destruction of expensive components and failure of the product to perform as specified. For thesereasons, we advise

12、all Yamaha product owners that all service required should be performed by an authorizedYamaha Retailer or the appointed service representative.IMPORTANT:This presentation or sale of this manual to any individual or firm does not constitute authorization, certification,recognition of any applicable

13、technical capabilities, or establish a principal-agent relationship of any form.The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, andservice departments of Yamaha are continually striving to improve Yamaha products. Modificati

14、ons are, therefore, inevitable andchanges in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist,please contact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electric

15、ity you body may haveaccumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to thisbuss.)IMPORTANT:Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to theunit.RadioFans.CN 收音机爱 好者资料库SPECIFICATIONSMU1003Tone

16、 Generation MethodAWM2 (Advanced Wave Memory 2)Maximum Simultaneous Polyphony64-noteSound Module ModesXG, TG300B, C/M, and PerformanceMulti-timbral Capacity32-Part (on 32 MIDI channels; with element reserve priority for later notes and dynamic Voice allocation)Internal Voice/Program StructureNormal

17、ProgramsTotal Voices 1267XG mode 1074TG300B mode 614C/M mode 128 (Parts 1 9), 64 (Parts 11 16)Drum ProgramsTotal Kits 46XG mode 36TG300B mode 10C/M mode 1Performance ProgramsUp to four Voices plus all effect settings can be memorized to a Performance.Preset Programs 100User Programs 100EffectsSix se

18、ctions of multi-effects: Reverb (12 Types), Chorus (14 Types), Variation (70 Types), Insertion 1, 2 (43 Types), Multi EQ (4 Types), and Part EQ (1 Type)DisplayCustom back-lit LCDControlsPOWER/VOL control, A/D INPUT level control; Mode select buttons: PLAY, UTIL (UTILITY), MODE, EDIT, EFFECT, EQ; oth

19、er buttons:MUTE/SOLO, ENTER, EXIT, PART ,SELECT , VALUE Jacks and TerminalsFront panel: PHONES jack (Stereo Mini-pin), A/D INPUT (stereo 1/4” plug)Rear panel: OUTPUT R,L (RCA-pin), INPUT R, L (RCA-pin); DC IN jack; TO HOST terminal; HOST SELECT switch; MIDI IN-A/B, MIDI OUTand MIDI THRU terminalsCom

20、puter/MIDI InterfaceDirect connection to host computer port (RS-232C, RS-422); MIDI terminals allow connection to MIDI sequencer or MIDI controllerData Transfer (Baud) RateMIDI 31,250 bps (bits per second)Mac 31,250 bpsPC-1 31,250 bpsPC-2 38,400 bpsPower SupplyYamaha PA-5B AC Adaptor (included)Dimen

21、sions (W X D X H)220 X 210 X 44 mm (8-11/16 X 8-1/4 X 1-3/4)Weight1.3 kg (2 lbs., 14 oz.)Included AccessoriesOwners Manual, Yamaha PA-5B AC Adaptor, XGtools Setup Guide, CD-ROM “XGtools”Output LevelRefer to the TEST PROGRAM section of this manual on page,19 and 20.MU1004A/D INPUTA/D INPUT level cont

22、rolPHONES jackPOWER/VOL controlPLAY buttonEDIT buttonUTIL (UTILITY) buttonMODE buttonEQ buttonMUTE / SOLO buttonENTER buttonEXIT buttonPART / buttonsSELECT / buttonsVALUE / buttonsEFFECT buttonPANEL LAYOUTFront PanelMIDI THRU terminalMIDI OUT terminalMIDI IN-A terminalMIDI IN-B terminalHOST SELECT s

23、witchTO HOST terminalDC IN jackOUTPUT L,R jacks (Left,Right)INPUT L,R jacks (Left,Right)MIDITHRUMIDITHRUOUTOUTI N-AI N-AI N-BI N-BMIDIMIDIMacMacPC-2PC-2 PC-1HOST SELECTPC-1HOST SELECTTO HOSTTO HOSTDC INDC INSER NO.SER NO.RLOUTPUTINPUTRear PanelMU1005CIRCUIT BOARD LAYOUTDMPSWPVRFront panelLCDCN10CN 7

24、1CN 141CN6CN13CN5CN91111VR cable(10P)PSW cable(2P)SW2 cable(7P)SW1 cable(10P)LCD cableCN11CONTRASTADDRESS BUSDATA BUS16MPROGRAM(16bit)1MSRAM(8bit)32MMASKROM(16bit)32MMASKROM(16bit)4MDRAM(16bit)SWP30MPUH8S16MHz33.8688MHzA/D INPUTOUTPUT-LOUTPUT-RHEAD PHONEPEAK DETECTMUTINGLPFAMPLPFAMPAMPAMPAMPD/AA/DAN

25、ALOGFRONTENDGAINSELECT9VREGULATOR5VREGULATOR5VREGULATOR3.3VREGULATORAC-ADAPTORPA-5BPOWER SWITCHMIDI-INBMIDI-INAMIDI-OUTMIDI-THRUTO-HOSTHOST-SELECTOFF LINE CHECKPLUGIN BOARD CABLE +5VA+9VA+5V+3.3V+9VAAMPINPUT VOLMASTER VOLLPFLPFINPUT-LINPUT-R32MMASKROM(16bit)32MMASKROM(16bit)16MMASKROM(16bit)16MMASKR

26、OM(16bit)DMPVRIC2IC16IC17IC18IC35IC34IC39IC38IC37IC203331211IC1028CA1-88116501IC8IC9IC36IC29IC30IC216221122613751327566711 6IC11IC121106210910510730 3363IC1264 111616059PVRPSWBATTERYPANEL SWLCD UNITBACK UPMU100BLOCK DIAGRAMMU1006MU1007DISASSEMBLY PROCEDURE1-1Remove the four (4) screws marked 60, the

27、 screwmarked 75, the screw marked 76 and the two (2)screws marked 80. The bottom assembly can thenbe removed. (Fig. 1)*When you reattach the bottom assembly, you shouldtighten the screws in the order described in figure 1.1.Bottom AssemblyFront assemblyRear panel807660756060: Bind Head Tapping Screw

28、-B 3.0X8 MFZN2BL (EP600190)75: Bind Head Screw 3.0X6 MFZN2BL (EG330360)76: Bind Head Screw 3.0X6 MFNI33 (EG330370)80: Flat Head Tapping Screw-C 3.0X8 MFZN2BL (VR060800)(Fig.1) Bottom assembly786413252-1Remove the bottom assembly. (See Procedure 1.)2-2Remove the two (2) screws marked 30. The topassem

29、bly can then be removed from the frontassembly. (Fig. 2)2.DM Circuit BoardFront assembly3030: Flat Head Tapping Screw-C 3.0X8 MFZN2BL (VR060800)(Fig.2)Top assemblyMU10083.PSW & PVR circuit boards and LCDF40F30F90F90PVRPSWFront panelLCDF60214324312F30: Bind Head Tapping Screw-B 3.0X10 MFZN2Y (EP60022

30、0)F40: Bind Head Tapping Screw-B 2.6X10 MFZN2Y (VD791000)F60: Bind Head Tapping Screw-B 2.6X10 MFZN2Y (VD791000)F90: Bind Head Tapping Screw-B 2.6X6 MFZN2Y (VC069600)(Fig.5)2-3Remove the five (5) screws marked T30. The DMcircuit board can then be removed. (Fig. 3)Pull off the A/D INPUT knob from the

31、 DM circuitboard.Melt and remove the solder of the four (4) pointsmarked A. The rear shield can then be remove fromthe DM circuit board. (Fig. 4-1,4-2)*When you reattach the DM circuit board, you shouldtighten the screws in the order described in figure 3.The cables plugged into the connector CN9 sh

32、ouldbe inserted as shown in figure 4-1.T30T30ADMDMDMSW2(7P)Rear shieldRear shieldSW1(10P)CN9CN511171613452CN1T30: Bind Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230)(Fig.4-1)(Fig.4-2)(Fig.3)3-1Remove the bottom assembly. (See Procedure 1.)3-2Remove the top assembly. (See Procedure 2.)3-3Remove the fo

33、ur (4) screws marked F90. The PSWcircuit board can then be removed. (Fig. 5)Pull off the OP buttons and the mode buttons fromthe PSW Circuit board.3-4Remove the screw marked F30 and the screwmarked F40. The PVR circuit board can then beremoved. (Fig. 5)3-5Remove the four (4) screws marked F60. The L

34、CDcan then be removed. (Fig. 5)*When you reattach the circuit boards, you shouldtighten the screws in the order described in figure 5.MU1009Installing a Plug-in Board into the MU100WarningInstallation and removal of a plug-in board into/from the MU100 initializes some of the setup and multi-part set

35、tings of the main unit. Be sure to save any of your important settings onto a personal computer orMIDI Data Filer MDF3 before installing or removing a plug-in board.CAUTION!Be careful not to injure your hands or fingers while installing or removing the plug-in board.Be careful not to injure yourself

36、 when handling the jagged surfaces or sharp areas of the plug-in board.CAUTION!Accidents can occur if the plug-in board is installed or removed while the AC adaptor is connected to apower source. Be sure to unplug the AC adaptor of the MU100 before installing or removing the plug-inboard.Instruction

37、s1. Turn off the power of any devices that may be connected to the MU100 and remove the MU100s AC adaptor from itspower source.2. Turn the MU100 upside down.Remove the DB cover by removing the four (4) silver screws that secure it to the MU100. HolderInsert the connector sothat the tabs on the right

38、and left sides lock.TabExpansion connectorXG Plug-in ConnectorXG Plug-in BoardMU100103. Remove the four (4), black, XG Plug-in Board installation screws that are secured to the inside of the DB cover.Unlatch and remove the holder that secures the connector. Extend the connector.Keep the holder for u

39、se when the XG Plug-in Board is removed. 4. Remove the XG Plug-in Board from the anti-static bag.5. Insert the expansion connector of the MU100 into the connector of the XG Plug-in Board.Make sure to insert the connector so that it faces the proper direction and the right and left tabs of the expans

40、ionconnector lock into place (as shown in the illustration).CAUTION!Before handling the XG Plug-in Board, be sure to touch a grounded, metal surface in order to removeany static electricity from your clothes or body. Do not touch any of the patterned surfaces of the boardor its connector.MU100116. A

41、ttach the XG Plug-in Board to the DB cover using the four (4), black screws that were removed in Step 3.Install the XG Plug-in Board so that the side with the IC chips is facing the DB cover.Position the XG Plug-in Board from above, onto the DB cover, making sure to align the holes of the board with

42、 theholes on the lid. If the holes are not properly aligned, you may damage the plug-in board.Side without the connectorScrew (black)XG Plug-in Board7. Secure the DB cover back onto the MU100 by using the same four (4) silver screws that were removed in Step 2.Secure the screws in the order shown in

43、 the illustration.Arrange the cables of theconnector as shown, sothat they do not becomepinched or damaged.Screw (silver)1234LSI PIN DESCRIPTIONPINNO.12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364I/OOO-OOOO-OOOOOOOO-OOOOOOOO-OI

44、OOIO-OO-I/OI/OI/OI/O-I/OI/OI/OI/OI/OI/OI/OI/O-I/OI/OI/OI/O-OOIIOOCS1CS0VssVssVccA0A1A2A3VssA4A5A6A7A8A9A10A11VssA12A13A14A15A16A17A18A19VssA20PA5PA6PA7P67P66VssVssP65P64VccD0D1D2D3VssD4D5D6D7D8D9D10D11VssD12D13D14D15VccTXD0TXD1RXD0RXD1P34P35NAMEChip Select for System RAM (CS1)Chip Select for System

45、RAM (CS0)GNDPower SupplyAddress BusGNDAddress BusGNDAddress BusGNDAddress BusOff Line DetectionSignal for Rotary encoder(REB)Signal for Rotary encoder(REA)Plug Detection of A/D InputNCGNDGNDReset Signal for SWP30Reset Signal for PBPower SupplyTwo Way Data BusGNDTwo Way Data BusGNDTwo Way Data BusPow

46、er SupplySerial MIDI OUT (TXD0)Serial Host OUT (TXD1)Serial MIDI IN B (RXD0)Serial MIDI IN A (RXD1) or Host INA/D Gain Control Signal(ADG1)A/D Gain Control Signal(ADG2)FUNCTIONMU10012HD6432655A00F (XT443A00) CPUPINNO.65666768697071727374757677787980818283848586878889909192939495969798991001011021031

47、04105106107108109110111112113114115116117118119120121122123124125126127128I/O-O-OOOOOOOOOOOOIII-OOOOOOOOI-OOIIIIIIIIII-I/OI/OI/OI/OI/OI/OI/OI/OIIIOOOVssP60VssVssP61P62P63P27P26P25P24P23P22P21P20WDT0VFRESNMISTBVVccXTALEXTALVssVccASRDHWRLWRPF2PF1PF0TXD2RXD2VssVssSCK2P53AVccVrefAN0AN1AN2AN3AN4AN5AN6AN7

48、AVssVssP17P16P15P14P13P12P11P10MD0MD1MD2PG0CS3CS2NAMEGNDNCGNDGNDNCPB Select (SW1)PB Select (SW2)NC1 MHz Clock for Serial InterfaceLCD Contrast (LCDC-C)LCD Contrast (LCDC-B)LCD Contrast (LCDC-A)LCD Control (LCD-E)LCD Control (LCD-R/W)LCD Control (LCD-RS)NCReset Signalnot usednot usedPower SupplyQuart

49、z Cristal 16 MHzQuartz Cristal 16 MHzGNDNCPower SupplyNCRead SignalWrite SignalNCPB Select (SW4)SW Data Read Control (SWD)LED,SW Strobe Data Latch (SWS)Serial Output for PB (TXD2)Serial Input for PB (RXD2)GNDGNDSerial Sync Clock for PB (MIDCLK)Reset Signal for Rotary EncoderPower Supply for A/DRefer

50、ence Voltage for A/DAnalog Level Input Rnot usedAnalog Level Output Lnot usedDetection of Host SW Positionnot usedBattery Voltage CheckModelCheck (MU100:GND)GNDGNDLCD Data(DB7),SW Data,LED6LCD Data(DB6),SW Strobe DataLCD Data(DB5),SW Strobe DataLCD Data(DB4),SW Data,LED5LCD Data(DB3),SW Data,LED4LCD