Yamaha-SPX-2000-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL I CONTENTS SPECIFICATIONS. 4 DIMENSIONS. 7 PANEL LAYOUT. 8 CIRCUIT BOARD LAYOUT. 10 DISASSEMBLY PROCEDURE. 11 LSI PIN DESCRIPTION. 16 IC BLOCK DIAGRAM. 20 CIRCUIT BOARDS. 23 INSPECTIONS. 29/32 TEST PROGRAM. 35/42 WRINTING PROGRAM. 49 BULK OUT (ALL) . 50 INITIALIZING THE SPX2000. 50 ER

2、ROR MESSAGE LIST. 51/52 MIDI IMPLEMENTATION CHART . 53 MIDI DATA FORMAT . 54 PARTS LIST BLOCK DIAGRAM OVERALL CONNECTOR CIRCUIT DIAGRAM OVERALL CIRCUIT DIAGRAM Copyright (c) Yamaha Corporation. All rights reserved. PDF-K2331 Printed in Japan 03.07 PA 011695 200307-108000 （目次） （総合仕様） （寸法図） （） （） （分解手

3、順） （LSI 端子機能表） （IC図） （基板図） （検査） （） （書込） （初期化） （） （） （総接続回路図） （総回路図） 2 SPX2000 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, and more specifically Yamah

4、a 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 of the product to perform a

5、s 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 constitute authorization,

6、 certification, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is believed to be accurate and applicable to the unit (s) indicated on the cover. The research engineering, and service departments of Yamaha are continual

7、ly 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 :Static discharges can destr

8、oy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus). IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power t

9、o the unit. WARNING : CHEMICAL CONTENT NOTICE ! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly

10、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 FOR ANY REASON WHAT SO EVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes o

11、r 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 handling food. I WARNING Components having special characteristics are marked Z and must be replaced with parts having specification equal to thos

12、e originally installed. WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW :EARTH BLUE :NEUTRAL BROWN :LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the col

13、oured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or coloured GREEN and YELLOW. The wire which is coloured BLUE must be con

14、nected to the terminal which is marked with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. * This applies only to products distributed by YAMAHA KEMBLE MUSIC (U.K.) LTD. Z印部品、安全維持重要部品。交換場合、安全必指定部品使

15、用。 3 SPX2000 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

16、to qualified 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 batte

17、ry polarities when installing. Do not short the batteries. Do not attempt to recharge these batteries. Do not disasemble the batteries. Never heat batteries or throw them into fire. ADVARSEL! Lithiumbatteri-Eksplosionsfare ved fejlagtig handtering. Udskiftning ma kun ske med batteri af samme fabrika

18、t og type. lever det brugte batteri tilbage til leverandren. VARNING Explosionsfara vid felaktigt batteribyte. Anvand samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren. Kassera anvant batteri enligt fabrikantens instruktion. VAROITUS Paristo voi rajahtaa, jos se on vi

19、rheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiiin. Havita kaytetty 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 diass

20、embly procedure for the removal of Back-up Battery. Leest u voor het verwijderen van de backup batterij deze beschrijving. 電池取扱 注意 電池誤交換爆発危険。交換場合、指定部品使用 。 4 SPX2000 I SPECIFICATIONS Analog Input/Output Digital Input/Output Controls Keys LEDs LCD Effects Power Requirements Dimensions Net Weight Opera

21、ting free-air temperature range Storage temperature range Accessories Option General Specifications INPUT L,RXLR-3-31Balanced Phone jackBalanced AD converter, 24-bit linear 128-times oversampling (Fs=44.1, 48 kHz) 64-times oversampling (Fs=88.2, 96 kHz) Level SW+4/10 dBu OUTPUT L,RXLR-3-32Balanced P

22、hone jackBalanced DA converter, 24-bit linear 128-times oversampling (Fs=44.1, 48 kHz) 64-times oversampling (Fs=88.2, 96 kHz) Level SW+4/10 dBu AES/EBU INXLR-3-31Balanced AES/EBU OUTXLR-3-32Balanced WORD CLOCK IN MIDI IN MIDI OUT/THRU USB TO HOSTUSB 1.1 INPUT L, R for VOLUME FOOT SW for TAP INPUT M

23、ODE, METER, BANK MEMORYUNDO, L, M, RECALL, STORE EDITCOMPARE, L INC, M DEC, NEXT, BACK PARAMETER, FINE, UTILITY BYPASS, TAP POWER ON/OFF Level Meter L, R2 x 12 Segments LED Effect No.2 x 7 Segments LED INPUT MODEMONO/STEREO METERINPUT/OUTPUT INPUT SOURCEANALOG/DIGITAL CLOCKINT/AES/EBU/WC kHz96/88.2/

24、48/44.1 MIDIMIDI BANKPRESET/USER/CLASSIC 16 characters x 2 rows back-lit LCD Back-lit colorGreen, Yellow, Magenta, Cyan, White, Red (Error Message only) PRESET97 USER99 CLASSIC25 U.S./Canada120V 25W 60Hz Japan100V 25W 50/60Hz Others230V 25W 50Hz Height45 mm Depth372.5 mm Width480 mm 4kg 5 40C 20 60C

25、 Japan電源、 変換、 取扱説明書、 保証書 OthersOwners Manual, Power cable Foot Switch FC5 （総合仕様） （一般仕様） 5 SPX2000 Input/Output Characteristics Analog Input Characteristics *1 Sensitivity is the lowest level that will produce an output of +4dB(1.23V) or the nominal output level when the unit is set to maximum gain.

26、(level control is maximum position.) *2 XLR-3-31 type connectors are balanced. (1=GND, 2=HOT, 3=COLD) *3 Phone jacks are balanced. (Tip=HOT, Ring=COLD, Sleeve=GND) *4 In these specifications, when dBu represents are specific voltage, 0 dBu is referenced to 0.775 Vrms. *5 AD converter is 24-bit linea

27、r,128-times oversampling Fs=44.1, 48 kHz, 64-times oversampling Fs=88.2, 96 kHz Analog Output Characteristics *1 XLR-3-32 type connectors are balanced. (1=GND, 2=HOT, 3=COLD) *2 Phone jacks are balanced. (Tip=HOT, Ring=COLD, Sleeve=GND) *3 In these specifications, when dBu represents are specific vo

28、ltage, 0 dBu is referenced to 0.775 Vrms. *4 DA converter is 24-bit, 128-times oversampling Fs=44.1, 48 kHz, 64-times oversampling Fs=88.2, 96 kHz Control I/O Characteristics Digital Input Characteristics *1 XLR-3-31 type connectors are balanced. (1=GND, 2=HOT, 3=COLD) Digital Output Characteristics

29、 *1 channel status of AES/EBU OUT type: 2 audio channels emphasis: NO sampling frequency: depends on the internal configuration *2 dither: word length 16 - 24-bit *3 XLR-3-32 type connector is balanced. (1=GND, 2=HOT, 3=COLD) Input Terminals INPUT L, R Level SW +4 dBu 10 dBu Input Level VR. Max.: +1

30、0 dB Max.: +10 dB Actual Load Impedance 10 k For Use With Nominal 600 Lines Input LevelConnector XLR-3-31 type (Balanced) Phone jack (TRS: Balanced) Sensitivity 6 dBu (0.388 V) 20 dBu (0.0775 V) Nominal Max. before clip +14 dBu (3.88 V) 0 dBu (0.775 V) Input Terminals INPUT L, R Level SW +4 dBu 10 d

31、Bu Input Level VR. Nrminal: 0 dB Nrminal: 0 dB Actual Load Impedance 10 k For Use With Nominal 600 Lines Input LevelConnector XLR-3-31 type (Balanced) Phone jack (TRS: Balanced) Sensitivity Nominal +4 dBu (1.23 V) 10 dBu (0.245 V) Max. before clip +24 dBu (12.28 V) +10 dBu (2.45 V) Output Terminals

32、OUTPUT L, R Actual Source Impedance 150 For Use With Nominal 600 Lines Level SW +4 dBu 10 dBu Output LevelConnector XLR-3-31 type (Balanced) Phone jack (TRS: Balanced) Nominal +4 dBu (1.23 V) 10 dBu (0.245 V) Max. before clip +24 dBu (12.28 V) +10 dBu (2.45 V) Input TerminalsFormatData LengthLevelCo

33、nnector AES/EBU INAES/EBU24-bitRS422XLR-3-31 type (Balanced) Input TerminalsFormatData LengthLevelConnector AES/EBU OUTAES/EBU Professional use24-bitRS422XLR-3-31 type (Balanced) TerminalsFormatLevelConnector USBTO HOSTUSB 1.10 to 3.3 VB type USB Connector MIDIINMIDIDIN Connector 5P OUT/THRUMIDIDIN

34、Connector 5P WORD CLOCKINTTL/75 BNC Connector （入出力特性） 6 SPX2000 Electrical Characteristics Input Level VR is nominal when measured. Output impedance of signal generator:600ohms Frequency Response Fs=48 kHz: 20 Hz-20 kHz, reference to the nominal output level 1 kHz Fs=96 kHz: 20 Hz-40 kHz, reference

35、to the nominal output level 1 kHz Gain Error 1 kHz *1 In these specifications, when dBu represents are specific voltage, 0 dBu is referenced to 0.775 Vrms. Total Harmonic Distortion *1 In these specifications, when dBu represents are specific voltage, 0 dBu is referenced to 0.775 Vrms. *2 Total Harm

36、onic Distortion is measured with a 18 dB/octave filter 80 kHz. Hum equivalent to a 20 kHz filter with infinite dB/octave attenuation. *2 In these specifications, when dBu represents are specific voltage, 0 dBu is referenced to 0.775 Vrms. Crosstalk 1 kHz InputOutputRLConditionsMinTypMaxUnits INPUT L

37、, ROUTPUT L, R600 INPUT LEVEL SW: +4, OUTPUT LEVEL SW: +4+2.0+4.0+6.0dBu INPUT LEVEL SW: 10, OUTPUT LEVEL SW: 1012.010.08.0dBu InputOutputRLConditionsMinTypMaxUnits INPUT L, ROUTPUT L, R600 3.00.0+1.0dB InputOutputRLConditionsMinTypMaxUnits INPUT L, ROUTPUT L, R600 Fs=48 kHz: +14 dBu 20 Hz-20 kHz,0.

38、05% INPUT LEVEL SW: +4, OUTPUT LEVEL SW: +4 Fs=96 kHz: +14 dBu 20 Hz-40 kHz,0.05% INPUT LEVEL SW: +4, OUTPUT LEVEL SW: +4 InputOutputRLConditionsMinTypMaxUnits INPUT L, ROUTPUT L, R600 Rs=600 , INPUT LEVEL VR: nominal80dBu INPUT LEVEL SW: +4 /OUTPUT LEVEL SW: +4 Dynamic Range Fs=48/96 kHz InputOutpu

39、tRLConditionsMinTypMaxUnits INPUT L, ROUTPUT L, R600 AD + DA, INPUT LEVEL VR: max 106dB *1 Dynamic range are measured with a 6 dB/octave filter 12.7 kHz; equivalent to a 20 kHz filter with infinite dB/octave attenuation. Maximum voltage gain 1 kHz InputOutputConditionsMinTypMaxUnits INPUT L, ROUTPUT

40、 L, RINPUT to OUTPUT80dB InputOutputRLConditionsMinTypMaxUnits INPUT L, ROUTPUT L, R600 Rs=600 , INPUT LEVEL VR: nominal +10dB INPUT LEVEL SW: +4 /OUTPUT LEVEL SW: +4 （電気的特性） 7 SPX2000 PARAMETERCONDITIONSMINTYPMAXUNITS Sampling Frequency External ClockFrequency RangeNormal Rate39.6950.88kHz Double R

41、ate79.38101.76kHz Jitter of PLLDIGITAL IN Fs=44.1 kHz, Jitter 2ns10ns DIGITAL IN Fs=48 kHz, Jitter 2ns10ns DIGITAL IN Fs=39.69-50.88 kHz, Jitter 2ns20ns DIGITAL IN Fs=88.2 kHz, Jitter 2ns10ns DIGITAL IN Fs=96 kHz, Jitter 2ns10ns DIGITAL IN Fs=79.38-101.76 kHz, Jitter 2ns20ns Internal ClockFrequencyw

42、ord clock: int 44.1 kHz44.1kHz word clock: int 48 kHz48kHz word clock int 88.2 kHz88.2kHz word clock: int 96 kHz96kHz accuracyword clock int 44.1 kHz50ppm word clock: int 48 kHz50ppm word clock: int 88.2 kHz50ppm word clock: int 96 kHz50ppm jitterword clock: int 44.1 kHz5ns word clock: int 48 kHz5ns

43、 word clock : int 88.2 kHz5ns word clock: int 96 kHz5ns Signal DelayINPUT to OUTPUT(Delay time=0.0 ms / Fs=96 kHz)426ns Idle toneAD converter, peak20 Hz20 kHz130dB 1 45 44 480 350 50250 11.8352.78 372.5 Units : mm （単位） I DIMENSIONS（寸法図） 8 SPX2000 I PANEL LAYOUT I Front Panel w etuo!0!2!5!903!6!3!7 !

44、845!4!1ryiq62 1 q INPUT L R control w Level meters e INPUT MODE button/indicator r METER button/indicator t INPUT SOURCE indicator y CLOCK indicator u MIDI indicator i kHz indicator o Display !0 Effect number indicator !1 BANK button/indicator !2 STORE button !3 L/M buttons !4 RECALL button !5 UNDO

45、button/LED !6 BACK button !7 L INC/M DEC buttons !8 NEXT button !9 COMPARE button/LED 0 PARAMETER button/LED 1 FINE PARAM button/LED 2 UTILITY button/LED 3 BYPASS button/LED 4 TAP button/LED 5 FOOT SW jack 6 POWER ON/OFF button q INPUT L R w e INPUT MODE / r METER / t INPUT SOURCE y CLOCK u MIDI i k

46、Hz o !0 番号 !1 BANK / !2 STORE !3 / !4 RECALL !5 UNDO /LED !6 BACK !7 INC /DEC !8 NEXT !9 COMPARE /LED 0 PARAMETER /LED 1 FINE PARAM /LED 2 UTILITY /LED 3 BYPASS /LED 4 TAP /LED 5 FOOT SW端子 6 POWER ON/OFF （） （） 9 SPX2000 7 Grounding screw 8 AC IN jack 9 MIDI OUT/THRU connector #0 MIDI IN connector #1

47、 TO HOST USB connector #2 WORD CLOCK IN jack #3 AES/EBU OUT jack #4 AES/EBU IN jack #5 OUTPUT jacks #6 OUTPUT 10 dBu/+4 dBu switch #7 INPUT jacks #8 INPUT 10 dBu/+4 dBu switch I Rear Panel（） 89#0#3#1 #2 #67#8 #7#4#5 7 用 8 AC IN端子 9 MIDI OUT/THRU端子 #0 MIDI IN端子 #1 TO HOST USB端子 #2 WORD CLOCK IN端子 #3 AES/EBU OUT端子 #4 AES/EBU IN端子 #5 OUTPUT端子 #6 OUTPUT 10dBu/+4dBu #7 INPUT端子 #8 INPUT 10dBu/+4dBu 10