Yamaha-MU-100-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL TONE GENERATOR CONTENTS SPECIFICATIONS3 PANEL LAYOUT4 CIRCUIT BOARD LAYOUT5 BLOCK DIAGRAM6 DISASSEMBLY PROCEDURE7 LSI PIN DESCRIPTION12 IC BLOCK DIAGRAM14 CIRCUIT BOARDS16 TEST PROGRAM18 MIDI / COMPUTER CONNECTING CABLES23 ERROR MESSAGES24 INITIALIZE25 MIDI IMPLEMENTATION CHART26 OVER

2、ALL CIRCUIT DIAGRAM27 PARTS LIST SY 011450 PLG-100DXPLG-100VLPLG-100VH HAMAMATSU, JAPAN 0.32K-3942 Printed in Japan 99.01 RadioFans.CN 收音机爱 好者资料库 MU100 2 WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or

3、 plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH

4、FOR ANY REASON WHAT SO EVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handli

5、ng food. LITHIUM BATTERY HANDLING This product uses a lithium battery for memory back-up. WARNING:Lithium batteries are dangerous because they can be exploded by improper handling. Observe the following precautions when handling or replacing lithium batteries. Leave lithium battery replacement to qu

6、alified service personnel. Always replace 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 po

7、larities when installing. Do not short the batteries. 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 t

8、ype. Levr det brugte batteri tilbage til leverandren. VARNING Explosionsfara vid felaktigt batteribyte. Anvnd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren. Kassera anvnt batteri enligt fabrikantens instruktion. VAROITUS Paristo voi rjht, jos se on virheellisesti

9、asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hvit kytetty paristo valmistajan ohjeiden mukaisesti. The following information complies with Dutch Official Gazette 1995. 45; ESSENTIALS OF ORDER ON THE COLLECTION OF BATTERIES. Please refer to the diassembly procedure f

10、or the removal of Back-up Battery. Leest u voor het verwijderen van de backup batterij deze beschrijving. IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry,

11、 and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated. WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components and failure

12、of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representative. IMPORTANT:This presentation or sale of this manual to any individual or firm does not

13、 constitute authorization, certification, recognition of any applicable 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, and service departments

14、 of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes 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:Stat

15、ic discharges can destroy expensive components. Discharge any static electricity you body may have accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss.) IMPORTANT:Turn the unit OFF during disassembly and parts replacement. Recheck all work b

16、efore you apply power to the unit. RadioFans.CN 收音机爱 好者资料库 SPECIFICATIONS MU100 3 Tone Generation Method AWM2 (Advanced Wave Memory 2) Maximum Simultaneous Polyphony 64-note Sound Module Modes XG, TG300B, C/M, and Performance Multi-timbral Capacity 32-Part (on 32 MIDI channels; with element reserve

17、priority for later notes and dynamic Voice allocation) Internal Voice/Program Structure Normal Programs Total Voices 1267 XG mode 1074 TG300B mode 614 C/M mode 128 (Parts 1 9), 64 (Parts 11 16) Drum Programs Total Kits 46 XG mode 36 TG300B mode 10 C/M mode 1 Performance Programs Up to four Voices pl

18、us all effect settings can be memorized to a Performance. Preset Programs 100 User Programs 100 Effects Six sections 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) Display Custom back-lit LCD Controls

19、POWER/VOL control, A/D INPUT level control; Mode select buttons: PLAY, UTIL (UTILITY), MODE, EDIT, EFFECT, EQ; other buttons: MUTE/SOLO, ENTER, EXIT, PART ,SELECT , VALUE Jacks and Terminals Front panel: PHONES jack (Stereo Mini-pin), A/D INPUT (stereo 1/4” plug) Rear panel: OUTPUT R,L (RCA-pin), IN

20、PUT R, L (RCA-pin); DC IN jack; TO HOST terminal; HOST SELECT switch; MIDI IN-A/B, MIDI OUT and MIDI THRU terminals Computer/MIDI Interface Direct connection to host computer port (RS-232C, RS-422); MIDI terminals allow connection to MIDI sequencer or MIDI controller Data Transfer (Baud) Rate MIDI 3

21、1,250 bps (bits per second) Mac 31,250 bps PC-1 31,250 bps PC-2 38,400 bps Power Supply Yamaha PA-5B AC Adaptor (included) Dimensions (W X D X H) 220 X 210 X 44 mm (8-11/16 X 8-1/4 X 1-3/4) Weight 1.3 kg (2 lbs., 14 oz.) Included Accessories Owners Manual, Yamaha PA-5B AC Adaptor, XGtools Setup Guid

22、e, CD-ROM “XGtools” Output Level Refer to the TEST PROGRAM section of this manual on page,19 and 20. MU100 4 A/D INPUT A/D INPUT level control PHONES jack POWER/VOL control PLAY button EDIT button UTIL (UTILITY) button MODE button EQ button MUTE / SOLO button ENTER button EXIT button PART / buttons

23、SELECT / buttons VALUE / buttons EFFECT button PANEL LAYOUT Front Panel MIDI THRU terminal MIDI OUT terminal MIDI IN-A terminal MIDI IN-B terminal HOST SELECT switch TO HOST terminal DC IN jack OUTPUT L,R jacks (Left,Right) INPUT L,R jacks (Left,Right) MIDI THRU MIDI THRUOUTOUTI N-AI N-AI N-BI N-B M

24、IDIMIDIMacMac PC-2PC-2 PC-1 HOST SELECT PC-1 HOST SELECT TO HOSTTO HOSTDC INDC IN SER NO.SER NO. R L OUTPUTINPUT Rear Panel MU100 5 CIRCUIT BOARD LAYOUT DM PSWPVR Front panel LCD CN10 CN 7 1 CN 14 1 CN6 CN13 CN5 CN9 1 1 1 1 VR cable (10P) PSW cable (2P) SW2 cable (7P) SW1 cable (10P) LCD cable CN1 1

25、 CONTRAST ADDRESS BUS DATA BUS 16M PROGRAM (16bit) 1M SRAM (8bit) 32M MASK ROM (16bit) 32M MASK ROM (16bit) 4M DRAM (16bit) SWP30 MPU H8S 16MHz 33.8688 MHz A/D INPUT OUTPUT-L OUTPUT-R HEAD PHONE PEAK DETECT MUTING LPF AMP LPF AMP AMP AMP AMP D/A A/D ANALOG FRONT END GAIN SELECT 9V REGULATOR 5V REGUL

26、ATOR 5V REGULATOR 3.3V REGULATOR AC-ADAPTOR PA-5B POWER SWITCH MIDI-INB MIDI-INA MIDI-OUT MIDI-THRU TO-HOST HOST-SELECT OFF LINE CHECK PLUGIN BOARD CABLE +5VA +9VA +5V +3.3V +9VA AMP INPUT VOL MASTER VOL LPF LPF INPUT-L INPUT-R 32M MASK ROM (16bit) 32M MASK ROM (16bit) 16M MASK ROM (16bit) 16M MASK

27、ROM (16bit) DM PVR IC2 IC16 IC17 IC18 IC35 IC34 IC39 IC38 IC37 IC20 3 3 31 21 1 IC10 28CA1-8811650 1 IC8 IC9 IC36 IC29 IC30 IC216 2 21 12 26 13 75 13 2 75 6 67 11 6 IC11 IC12 110 62 109 105 107 30 33 63 IC12 64 111 61 60 59 PVR PSW BATTERY PANEL SW LCD UNIT BACK UP MU100 BLOCK DIAGRAM MU100 6 MU100

28、7 DISASSEMBLY PROCEDURE 1-1Remove the four (4) screws marked 60, the screw marked 75, the screw marked 76 and the two (2) screws marked 80. The bottom assembly can then be removed. (Fig. 1) * When you reattach the bottom assembly, you should tighten the screws in the order described in figure 1. 1.B

29、ottom Assembly Front assembly Rear panel 80 76 60 75 60 60: Bind Head Tapping Screw-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 assembly 7 8 6 4 1 3 2 5 2-1Rem

30、ove the bottom assembly. (See Procedure 1.) 2-2Remove the two (2) screws marked 30. The top assembly can then be removed from the front assembly. (Fig. 2) 2.DM Circuit Board Front assembly 30 30: Flat Head Tapping Screw-C 3.0X8 MFZN2BL (VR060800)(Fig.2) Top assembly MU100 8 3.PSW & PVR circuit board

31、s and LCD F40F30F90 F90PVR PSW Front panel LCD F60 21 43 2 43 12 F30: Bind Head Tapping Screw-B 3.0X10 MFZN2Y (EP600220) 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) 2-3Re

32、move the five (5) screws marked T30. The DM circuit board can then be removed. (Fig. 3) Pull off the A/D INPUT knob from the DM circuit board. Melt and remove the solder of the four (4) points marked A. The rear shield can then be remove from the DM circuit board. (Fig. 4-1,4-2) *When you reattach t

33、he DM circuit board, you should tighten the screws in the order described in figure 3. The cables plugged into the connector CN9 should be inserted as shown in figure 4-1. T30 T30 A DM DM DM SW2 (7P) Rear shield Rear shield SW1 (10P) CN9 CN5 1 1 17 16 1 3 4 52 CN1 T30: Bind Head Tapping Screw-B 3.0X

34、6 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 four (4) screws marked F90. The PSW circuit board can then be removed. (Fig. 5) Pull off the OP buttons and the mode buttons from the PSW Cir

35、cuit board. 3-4Remove the screw marked F30 and the screw marked F40. The PVR circuit board can then be removed. (Fig. 5) 3-5Remove the four (4) screws marked F60. The LCD can then be removed. (Fig. 5) *When you reattach the circuit boards, you should tighten the screws in the order described in figu

36、re 5. MU100 9 Installing a Plug-in Board into the MU100 Warning Installation and removal of a plug-in board into/from the MU100 initializes some of the setup and multi- part settings of the main unit. Be sure to save any of your important settings onto a personal computer or MIDI Data Filer MDF3 bef

37、ore 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 when handling the jagged surfaces or sharp areas of the plug-in board. CAUTION! Accidents can occur if the plug-in boa

38、rd is installed or removed while the AC adaptor is connected to a power source. Be sure to unplug the AC adaptor of the MU100 before installing or removing the plug-in board. Instructions 1. Turn off the power of any devices that may be connected to the MU100 and remove the MU100s AC adaptor from it

39、s power source. 2. Turn the MU100 upside down. Remove the DB cover by removing the four (4) silver screws that secure it to the MU100. Holder Insert the connector so that the tabs on the right and left sides lock. Tab Expansion connector XG Plug-in Connector XG Plug-in Board MU100 10 3. Remove the f

40、our (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 use when the XG Plug-in Board is removed. 4. Remove the XG Plug-in Board from the anti-static bag.

41、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 expansion connector lock into place (as shown in the illustration). CAUTION! Before handling the XG Pl

42、ug-in Board, be sure to touch a grounded, metal surface in order to remove any static electricity from your clothes or body. Do not touch any of the patterned surfaces of the board or its connector. MU100 11 6. Attach the XG Plug-in Board to the DB cover using the four (4), black screws that were re

43、moved 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 the holes on the lid. If the holes are not properly aligned, you may damage the plug-

44、in board. Side without the connector Screw (black) XG Plug-in Board 7. 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 the illustration. Arrange the cables of the connector as shown, so that they do

45、 not become pinched or damaged. Screw (silver) 1 2 3 4 LSI PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 I/O O O - - - O O O O - O O O O O

46、O O O - O O O O O O O O - O I O O I O - - O O - I/O I/O I/O I/O - I/O I/O I/O I/O I/O I/O I/O I/O - I/O I/O I/O I/O - O O I I O O CS1 CS0 Vss Vss Vcc A0 A1 A2 A3 Vss A4 A5 A6 A7 A8 A9 A10 A11 Vss A12 A13 A14 A15 A16 A17 A18 A19 Vss A20 PA5 PA6 PA7 P67 P66 Vss Vss P65 P64 Vcc D0 D1 D2 D3 Vss D4 D5 D6

47、 D7 D8 D9 D10 D11 Vss D12 D13 D14 D15 Vcc TXD0 TXD1 RXD0 RXD1 P34 P35 NAME Chip Select for System RAM (CS1) Chip Select for System RAM (CS0) GND Power Supply Address Bus GND Address Bus GND Address Bus GND Address Bus Off Line Detection Signal for Rotary encoder(REB) Signal for Rotary encoder(REA) P

48、lug Detection of A/D Input NC GND GND Reset Signal for SWP30 Reset Signal for PB Power Supply Two Way Data Bus GND Two Way Data Bus GND Two Way Data Bus Power Supply Serial MIDI OUT (TXD0) Serial Host OUT (TXD1) Serial MIDI IN B (RXD0) Serial MIDI IN A (RXD1) or Host IN A/D Gain Control Signal(ADG1)

49、 A/D Gain Control Signal(ADG2) FUNCTION MU100 12 HD6432655A00F (XT443A00) CPU PIN NO. 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 I/O - O - - O O O O O O O O O O O O I I I - - - O O O O O O O O I - - O O I I I I I I I I I I - - I/O I/O I/O I/O I/O I/O I/O I/O I I I O O O Vss P60 Vss Vss P61 P62 P63 P27 P26 P25 P24 P23 P22 P21 P20 WDT0VF RES NMI STBV Vcc XTAL EXTAL Vss Vcc AS