Yamaha-SPX2000-mep-sm(1) 维修电路原理图.pdf

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

2、T. 51/52MIDI IMPLEMENTATION CHART . 53MIDI DATA FORMAT . 54PARTS LISTBLOCK DIAGRAMOVERALL CONNECTOR CIRCUIT DIAGRAMOVERALL CIRCUIT DIAGRAMCopyright (c) Yamaha Corporation. All rights reserved. PDF-K2331 Printed in Japan 03.07PA 011695200307-108000（目次）（総合仕様）（寸法図）（）（）（分解手順）（LSI 端子機能表）（IC図）（基板図）（検査）（）（

3、書込）（初期化）（）（）（総接続回路図）（総回路図）RadioFans.CN 收音机爱 好者资料库2SPX2000IMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumedthat basic service procedures inherent to the industry, and more specifically Yamaha Products, are already

4、 known andunderstood by the users, and have therefore not been restated.WARNING :Failure to follow appropriate service and safety procedures when servicing this product may result inpersonal injury, destruction of expensive components and failure of the product to perform asspecified. For these reas

5、ons, we advise all Yamaha product owners that all service required shouldbe 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,certification, recognition of

6、 any applicable technical capabilities, or establish a principal-agentrelationship 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 continually striving to improve Yamaha pro

7、ducts. Modifications are, therefore,inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancyappear to exist, please contact the distributors Service Division.WARNING :Static discharges can destroy expensive components. Discharge a

8、ny static electricity your bodymay have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wiresconnect to this bus).IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you applypower to the unit.WARNING : CHEMICAL CONTENT NO

9、TICE !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 other entities) to cause cancer and/or birth

10、 defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANYREASON WHAT SO EVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come i

11、n contact with solder or components located inside the enclosure of this product, wash your hands beforehandling food.I WARNINGComponents having special characteristics are marked Z and must be replaced with parts having specification equal tothose originally installed.WARNING: THIS APPARATUS MUST B

12、E EARTHEDIMPORTANTTHE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:GREEN-AND-YELLOW :EARTHBLUE :NEUTRALBROWN :LIVEAs the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying theterminals in your plug, procee

13、d as follows:The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letterE or by the safety earth symbol or coloured GREEN and YELLOW.The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or colo

14、ured 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、安全必指定部品使用。RadioFans.CN 收音机爱 好者资料库3SPX2000LITHIUM BATTERY HANDLINGThis produ

15、ct 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 replace with

16、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 batterie

17、s.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 fabrikat og type. leverdet brugte batteri tilbage til leverandren.VA

18、RNINGExplosionsfara vid felaktigt batteribyte.Anvand samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.Kassera anvant batteri enligt fabrikantens instruktion.VAROITUSParisto voi rajahtaa, jos se on virheellisesti asennettu.Vaihda paristo ainoastaan laitevalmistajan su

19、osittelemaan tyyppiiin.Havita kaytetty 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 verwi

20、jderen 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。4SPX2000I SPECIFICATIONSAnalog Input/OutputDigital Input/OutputControlsKeysLEDsLCDEffectsPower RequirementsDimensionsNet WeightOperating free-air temperature rangeStorage temperature rangeAccessoriesOptionGeneral Specificati

21、onsINPUT L,RXLR-3-31BalancedPhone jackBalancedAD converter, 24-bit linear128-times oversampling (Fs=44.1, 48 kHz)64-times oversampling (Fs=88.2, 96 kHz)Level SW+4/10 dBuOUTPUT L,RXLR-3-32BalancedPhone jackBalancedDA converter, 24-bit linear128-times oversampling (Fs=44.1, 48 kHz)64-times oversamplin

22、g (Fs=88.2, 96 kHz)Level SW+4/10 dBuAES/EBU INXLR-3-31BalancedAES/EBU OUTXLR-3-32BalancedWORD CLOCK INMIDI INMIDI OUT/THRUUSB TO HOSTUSB 1.1INPUT L, R for VOLUMEFOOT SW for TAPINPUT MODE, METER, BANKMEMORYUNDO, L, M, RECALL, STOREEDITCOMPARE, L INC, M DEC, NEXT, BACKPARAMETER, FINE, UTILITYBYPASS, T

23、APPOWER ON/OFFLevel Meter L, R2 x 12 Segments LEDEffect No.2 x 7 Segments LEDINPUT MODEMONO/STEREOMETERINPUT/OUTPUTINPUT SOURCEANALOG/DIGITALCLOCKINT/AES/EBU/WCkHz96/88.2/48/44.1MIDIMIDIBANKPRESET/USER/CLASSIC16 characters x 2 rows back-lit LCDBack-lit colorGreen, Yellow, Magenta, Cyan, White,Red (E

24、rror Message only)PRESET97USER99CLASSIC25U.S./Canada120V 25W 60HzJapan100V 25W 50/60HzOthers230V 25W 50HzHeight45 mmDepth372.5 mmWidth480 mm4kg5 40C20 60CJapan電源、 変換、 取扱説明書、 保証書OthersOwners Manual, Power cableFoot Switch FC5（総合仕様）（一般仕様）5SPX2000Input/Output CharacteristicsAnalog Input Characteristics

25、*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.(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=

26、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 linear,128-times oversampling Fs=44.1, 48 kHz, 64-times oversampling Fs=88.2, 96 kHzAnalog Output Characteristics*1 XLR-3-32 type connectors are balanced. (1=GND, 2=H

27、OT, 3=COLD)*2 Phone jacks are balanced. (Tip=HOT, Ring=COLD, Sleeve=GND)*3 In these specifications, when dBu represents are specific voltage, 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 kHzControl I/O Characte

28、risticsDigital Input Characteristics*1 XLR-3-31 type connectors are balanced. (1=GND, 2=HOT, 3=COLD)Digital Output Characteristics*1 channel status of AES/EBU OUTtype: 2 audio channelsemphasis: NOsampling frequency: depends on the internal configuration*2 dither: word length 16 - 24-bit*3 XLR-3-32 t

29、ype connector is balanced. (1=GND, 2=HOT, 3=COLD)Input TerminalsINPUT L, RLevel SW+4 dBu10 dBuInput LevelVR.Max.:+10 dBMax.:+10 dBActualLoadImpedance10 k For Use WithNominal600 LinesInput LevelConnectorXLR-3-31 type(Balanced)Phone jack(TRS: Balanced)Sensitivity6 dBu(0.388 V)20 dBu(0.0775 V)Nominal M

30、ax.before clip+14 dBu(3.88 V)0 dBu(0.775 V)Input TerminalsINPUT L, RLevel SW+4 dBu10 dBuInput LevelVR.Nrminal:0 dBNrminal:0 dBActualLoadImpedance10 k For Use WithNominal600 LinesInput LevelConnectorXLR-3-31 type(Balanced)Phone jack(TRS: Balanced)Sensitivity Nominal+4 dBu(1.23 V) 10 dBu(0.245 V)Max.b

31、efore clip+24 dBu(12.28 V)+10 dBu(2.45 V)Output TerminalsOUTPUT L, RActualSourceImpedance150 For Use WithNominal600 LinesLevel SW+4 dBu10 dBuOutput LevelConnectorXLR-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

32、 TerminalsFormatData LengthLevelConnectorAES/EBU INAES/EBU24-bitRS422XLR-3-31 type (Balanced)Input TerminalsFormatData LengthLevelConnectorAES/EBU OUTAES/EBU Professional use24-bitRS422XLR-3-31 type (Balanced)TerminalsFormatLevelConnectorUSBTO HOSTUSB 1.10 to 3.3 VB type USB ConnectorMIDIINMIDIDIN C

33、onnector 5POUT/THRUMIDIDIN Connector 5PWORD CLOCKINTTL/75 BNC Connector（入出力特性）6SPX2000Electrical CharacteristicsInput Level VR is nominal when measured. Output impedance of signal generator:600ohmsFrequency ResponseFs=48 kHz: 20 Hz-20 kHz, reference to the nominal output level 1 kHzFs=96 kHz: 20 Hz-

34、40 kHz, reference to the nominal output level 1 kHzGain Error1 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.*

35、2 Total Harmonic Distortion is measured with a 18 dB/octave filter 80 kHz.Hum & NoiseFs=48/96 kHz*1 Hum & Noise are measured with a 6 dB/octave filter 12.7 kHz;equivalent to a 20 kHz filter with infinite dB/octave attenuation.*2 In these specifications, when dBu represents are specific voltage, 0 dB

36、u is referenced to 0.775 Vrms.Crosstalk1 kHzInputOutputRLConditionsMinTypMaxUnitsINPUT L, ROUTPUT L, R600 INPUT LEVEL SW: +4, OUTPUT LEVEL SW: +4+2.0+4.0+6.0dBuINPUT LEVEL SW: 10, OUTPUT LEVEL SW: 1012.010.08.0dBuInputOutputRLConditionsMinTypMaxUnitsINPUT L, ROUTPUT L, R600 3.00.0+1.0dBInputOutputRL

37、ConditionsMinTypMaxUnitsINPUT L, ROUTPUT L, R600 Fs=48 kHz: +14 dBu 20 Hz-20 kHz,0.05%INPUT LEVEL SW: +4,OUTPUT LEVEL SW: +4Fs=96 kHz: +14 dBu 20 Hz-40 kHz,0.05%INPUT LEVEL SW: +4,OUTPUT LEVEL SW: +4InputOutputRLConditionsMinTypMaxUnitsINPUT L, ROUTPUT L, R600 Rs=600 , INPUT LEVEL VR: nominal80dBuIN

38、PUT LEVEL SW: +4 /OUTPUT LEVEL SW: +4Dynamic RangeFs=48/96 kHzInputOutputRLConditionsMinTypMaxUnitsINPUT 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 vol

39、tage gain1 kHzInputOutputConditionsMinTypMaxUnitsINPUT L, ROUTPUT L, RINPUT to OUTPUT80dBInputOutputRLConditionsMinTypMaxUnitsINPUT L, ROUTPUT L, R600 Rs=600 , INPUT LEVEL VR: nominal +10dBINPUT LEVEL SW: +4 /OUTPUT LEVEL SW: +4（電気的特性）7SPX2000PARAMETERCONDITIONSMINTYPMAXUNITSSampling FrequencyExtern

40、al ClockFrequency RangeNormal Rate39.6950.88kHzDouble Rate79.38101.76kHzJitter of PLLDIGITAL IN Fs=44.1 kHz, Jitter 2ns10nsDIGITAL IN Fs=48 kHz, Jitter 2ns10nsDIGITAL IN Fs=39.69-50.88 kHz, Jitter 2ns20nsDIGITAL IN Fs=88.2 kHz, Jitter 2ns10nsDIGITAL IN Fs=96 kHz, Jitter 2ns10nsDIGITAL IN Fs=79.38-10

41、1.76 kHz, Jitter 2ns20nsInternal ClockFrequencyword clock: int 44.1 kHz44.1kHzword clock: int 48 kHz48kHzword clock int 88.2 kHz88.2kHzword clock: int 96 kHz96kHzaccuracyword clock int 44.1 kHz50ppmword clock: int 48 kHz50ppmword clock: int 88.2 kHz50ppmword clock: int 96 kHz50ppmjitterword clock: i

42、nt 44.1 kHz5nsword clock: int 48 kHz5nsword clock : int 88.2 kHz5nsword clock: int 96 kHz5nsSignal DelayINPUT to OUTPUT(Delay time=0.0 ms / Fs=96 kHz)426nsIdle toneAD converter, peak20 Hz20 kHz130dB145444803505025011.8352.78372.5Units : mm（単位）I DIMENSIONS（寸法図）8SPX2000I PANEL LAYOUTI Front Panelw etu

43、o!0!2!5!903!6!3!7!845!4!1ryiq62 1q INPUT L R controlw Level meterse INPUT MODE button/indicatorr METER button/indicatort INPUT SOURCE indicatory CLOCK indicatoru MIDI indicatori kHz indicatoro Display!0 Effect number indicator!1 BANK button/indicator!2 STORE button!3 L/M buttons!4 RECALL button!5 UN

44、DO button/LED!6 BACK button!7 L INC/M DEC buttons!8 NEXT button!9 COMPARE button/LED0 PARAMETER button/LED1 FINE PARAM button/LED2 UTILITY button/LED3 BYPASS button/LED4 TAP button/LED5 FOOT SW jack6 POWER ON/OFF buttonq INPUT L Rw e INPUT MODE /r METER /t INPUT SOURCEy CLOCKu MIDIi kHzo !0 番号!1 BAN

45、K /!2 STORE!3 /!4 RECALL!5 UNDO /LED!6 BACK!7 INC /DEC!8 NEXT!9 COMPARE /LED0 PARAMETER /LED1 FINE PARAM /LED2 UTILITY /LED3 BYPASS /LED4 TAP /LED5 FOOT SW端子6 POWER ON/OFF（）（）9SPX20007 Grounding screw8 AC IN jack9 MIDI OUT/THRU connector#0 MIDI IN connector#1 TO HOST USB connector#2 WORD CLOCK IN ja

46、ck#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 switchI Rear Panel（）89#0#3#1 #2#67#8#7#4#57 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/+4dB

47、u#7 INPUT端子#8 INPUT 10dBu/+4dBu10SPX2000I CIRCUIT BOARD LAYOUTMAINFOOTSWPN3PN2LCD MODULEPN1VOLJKOUTJKINPOWER SUPPLYUNITPOWER（）11SPX20002.Top Cover(Time required : About 2 min.)2-1.Remove the rack angle L and R. (See procedure 1)2-2.Remove the nine (9) screws marked 520. The top covercan then be remo

48、ved. (Fig. 1)1.Rack Angle(Time required : About 1 min.)1-1.Remove the three (3) screws marked 540A. The rackangle L can then be removed. (Fig. 1)1-2.Remove the three (3) screws marked 540B. The rackangle R can then be removed. (Fig. 1)Rack angle RRack angle L(Fig. 1)520: Bind Head Tapping Screw-S3.0

49、 x 6MFZN2BL(EP630210)540: Bind Head Tapping Screw-S4.0 x 8MFZN2BL(VI693100)I DISASSEMBLY PROCEDURE（分解手順）540A540A520520520540B520520Top coverInternal knob (INPUT L)External knob (INPUT R)JKINJKOUTMAINPOWER button（PSW）2.（所要時間 ： 約2分）2-1.L、 R外。 (1項参照)2-2.5209本外、 外。(図1)1.（所要時間 ： 約1分）1-1.540A3本外、 L外。 (図1)

50、1-2.540B3本外、 R外。 (図1)（L）（）（R）SS(図1)（内）（外）12SPX20003.Front Panel(Time required : About 3 min.)3-1.Remove the rack angle L and R. (See procedure 1)3-2.Remove the top cover. (See procedure 2)3-3.Pull out the internal knob (INPUT L) and the externalknob (INPUT R). (Fig. 1)3-4.Remove the screw marked 420