Yamaha-DM2000E-mix-sm 维修电路原理图.pdf

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1、DM20001SERVICE MANUALPA0116241.302K-9377 Printed in Japan 02.03HAMAMATSU, JAPAN CONTENTSSPECIFICATIONS. 4DIMENSIONS. 19PANEL LAYOUT. 20CIRCUIT BOARD LAYOUT. 36DISASSEMBLY PROCEDURE. 41INSTALLING I/O CARDS. 58LSI PIN DESCRIPTION. 59IC BLOCK DIAGRAM. 69CIRCUIT BOARDS. 77INSPECTIONS.142/150SERVICE CHEC

2、K PROGRAM.159/170TEST PROGRAM.181/182USING BULK DUMP. 183SAVING DM2000 DATA TO SMARTMEDIA. 184CHECKING THE BATTERY. 187INITIALIZING THE DM2000. 187MIDI DATA FORMAT. 188MIDI IMPLEMENTATION CHART. 204PARTS LISTBLOCK DIAGRAMOVERALL CONNECTOR CIRCUIT DIAGRAMOVERALL CIRCUIT DIAGRAMThis document is printe

3、d on chlorine free (ECF) paper with soy ink.DIGITAL PRODUCTION CONSOLE/PEAK METER BRIDGE/WOODEN SIDE PANELS/MB2000/SP2000RadioFans.CN 收音机爱 好者资料库DM20002IMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumedthat basic s

4、ervice procedures inherent to the industry, and more specifically Yamaha Products, are already known and under-stood 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 per-sonal injury, des

5、truction of expensive components and failure of the product to perform as specified. Forthese reasons, we advise all Yamaha product owners that all service required should be performed by anauthorized Yamaha Retailer or the appointed service representative.IMPORTANT :This presentation or sale of thi

6、s manual to any individual or firm does not constitute authorization certifi-cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship ofany form.The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The rese

7、arch engineering, andservice departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitableand changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear toexist, please contact the distr

8、ibutors Service Division.WARNING :Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect tothis bus.)IMPORTANT :Turn the unit OFF during disassembly and pa

9、rts replacement. Recheck all work before you apply powerto 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 (Whereapplicable) components may also contain traces of chemicals found by the

10、 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 REASON WHATSO EVER!Avoid prolonged, unprotected contact between solder and your sk

11、in! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handlingfood.WARNINGComponents having special characteristics are marked and must be replaced with p

12、arts having specification equal to thoseoriginally installed.WARNING: THIS APPARATUS MUST BE EARTHEDIMPORTANTTHE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVEAs the colours of the wires in the mains lead of this appa

13、ratus may not correspond with the coloured 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

14、 which is coloured BLUE must be connected 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.)

15、 LTD.RadioFans.CN 收音机爱 好者资料库DM20003LITHIUM BATTERY HANDLINGThis 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 pre-cautions when handling or replacing lithium batteries.Leave lithium

16、battery replacement 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 r

17、everse the battery 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 sam

18、me fabrikat og type. lever det brugtebatteri tilbage til leverandren.VARNINGExplosionsfara 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

19、 virheellisesti 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.Take care not to trap your fingers.DM20004SPECIFICATIONSNumber of scene memories99Sampling FrequencyInternal44.1 kHz, 48 kHz, 88.2 kHz, 96 kHzExternalNormal rate: 44.1 kHz10% to

21、48 kHz+6%Double rate: 88.2 kHz10% to 96 kHz+6%Signal DelayLess than 2.3 ms CH INPUT to STEREO OUT (fs=48 kHz)Less than 1.2 ms CH INPUT to STEREO OUT (fs=96 kHz)Fader100 mm motorized with touch sense X 25Fader Resolution+10 to 96, dB (256 steps/100 mm) input faders0 to 130, dB (256 steps/100 mm) mast

22、er faders, stereo faderTotal Harmonic Distortion*1(CH INPUT to STEREO OUT)(Input Gain=Min.)fs=48 kHzLess than 0.05% 20 Hz to 20 kHz +14 dB into 600 Less than 0.01% 1 kHz +18 dB into 600 (fs=48 kHz)fs=96 kHzLess than 0.05% 20 Hz to 40 kHz +14 dB into 600 Less than 0.01% 1 kHz +18 dB into 600 Frequenc

23、y Response(CH INPUT to STEREO OUT) 20 Hz20 kHz, 0.5, 1.5 dB +4 dB into 600 (fs=48 kHz) 20 Hz40 kHz, 0.5, 1.5 dB +4 dB into 600 (fs=96 kHz)Dynamic Range (maximum level to noise level)110 dB typ. DA Converter (STEREO OUT)108 dB typ. AD+DA (to STEREO OUT) fs=48 kHz106 dB typ. AD+DA (to STEREO OUT) fs=9

24、6 kHzHum & Noise*2(20 Hz20 kHz)Rs=150 Input Gain=Max.Input Pad =0 dB128 dB Equivalent Input Noise92 dB residual output noise. STEREO OUT (STEREO OUT off)92 dB (96 dB S/N) STEREO OUT (STEREO fader at nominal level and all CH INPUT faders at minimum level)64 dB (68 dB S/N) STEREO OUTPUT (STEREO fader

25、at nominal level and one CH INPUT fader at nominal level)Maximum Voltage Gain74 dB CH INPUT (CH124) to STEREO OUT/OMNI (BUS) OUT74 dB CH INPUT (CH124) to OMNI (AUX) OUT (via pre input fader)74 dB CH INPUT (CH124) to CONTROL ROOM MONITOR OUT (via STEREO bus)Crosstalk ( 1 kHz)Input Gain=Min.80 dB adja

26、cent input channels (CH124)80 dB input to outputAD Input (124: A/B)Phantom switch+48 V DC is supplied to A (XLR-3-31 type) inputPad switch0/26 dB attenuationGain control44 dB (60 to 16), detentedPeak indicatorLED (red) turns on when post HA level reaches 3 dB below clippingSignal indicatorLED (green

27、) turns on when post HA level reaches 20 dB below nomi-nalInsertOUT, IN (pre AD converter)Insert switchon/offAD converter24-bit linear, 128-times oversampling (fs=48 kHz)Analog Input(2TR IN ANALOG 1, 2)AD converter24-bit linear, 128-times oversampling (fs=48 kHz)Option Input (SLOT 16)Available cards

28、Optional digital interface cards (MY8, MY4 series)Digital Input (2TR IN DIGITAL 13)SRCOn/off (1:3 and 3:1 maximum input to output sample rate ratio) DM2000DM20005Input Channel CH196Input patchPhaseNormal/reverseGate-type*3On/offKey in: 12 ch Group (112, 1324, 2536, 3748, 4960, 6172, 7384, 8596)/AUX1

29、12Comp-type*4On/offKey in: self /Stereo LinkPre EQ/pre fader/post faderAttenuator96.0 to +12.0 dB (0.1 dB step)EQ4-band PEQ*5On/offDelay043400 samplesOn/offFader100 mm motorized (INPUT/AUX112)Aux sendOn/offAUX112; pre fader/post faderSoloOn/offPre fader/after panPan127 positions (Left= 163, Center,

30、Right= 163)Surround pan127 X 127 positionsLFE level, 96 dB to +10 dB (256 step)RoutingSTEREO, BUS18, DIRECT OUTDirect outPre EQ/pre fader/post faderMeteringDisplayed on LCDPeak hold on/offTALKBACKLevel controlAnalog rotary potentiometerAD converter24-bit linear, 128-times oversamplingTalkback select

31、Built-in microphone/AD IN 124On/offSlateOn/offOSCILLATORLevel0 to 96 dB (1 dB step)On/offWaveformSine 100 Hz, sine 1 kHz, sine 10 kHz, pink noise, burst noiseRoutingBUS18, AUX112, MATRIX 1L4R, STEREO L, RSTEREO OUTDA converter24-bit linear, 128-times oversamplingOMNI OUT 18Output patchSURROUND MONIT

32、OR, STEREO, BUS18, AUX112, MATRIX1L4R, DIRECT OUT 196, INSERT OUT (CH196, BUS18, AUX112, MATRIX 1L4R, STEREO)DA converter24-bit linear, 128-times oversamplingCONTROL ROOM MONITOR OUT (LARGE, SMALL)Monitor selectSTEREO, 2TR IN DIGITAL 1, 2TR IN DIGITAL 2, 2TR IN DIGITAL 3, 2TR IN ANALOG 1, 2TR IN ANA

33、LOG 2, ASSIGN 1, 2 (BUS 18/AUX 112/MATRIX 14)Solo contrast96 to 0 dB (1 dB step)MonoOn/offDimmerOn/offDA converter24-bit linear, 128-times oversamplingLevel controlAnalog rotary potentiometerPhones levelAnalog rotary potentiometerSmall trimAnalog rotary potentiometerDM20006STUDIO MONITOR OUTMonitor

34、selectCONTROL ROOM, STEREO, AUX 11, AUX 12DA converter24-bit linear, 128-times oversamplingLevel controlAnalog rotary potentiometer2TR OUT DIGITAL 13DitherOn/offWord length 16, 20, 24-bitOutput patchSTEREO, BUS18, AUX 112, MATRIX 1L4R, DIRECT OUT 196, INSERT OUT, CONTROL ROOMSRCOn/off (1:3 and 3:1 m

35、aximum input to output sample rate ratio)Option Output (SLOT 16)Available cardOptional digital interface card (MY8, MY4 series)Output patchSURROUND MONITOR, STEREO, BUS18, AUX112, MATRIX 1L4R, DIRECT OUT 196, INSERT OUT (CH196, BUS18, AUX112, MATRIX 1L4R, STEREO)DitherOn/offWord length 16/20/24-bitM

36、emory card slotSmartMediaSTEREOComp-type*4On/offPre EQ/pre fader/post faderAttenuator96.0 to +12.0 dB (0.1 dB step)EQ4-band PEQ*5On/offOn/offFader100 mm motorizedBalance127 positions (Left=163, Center, Right=163)Delay043400 samplesMatrix sendPre fader/post faderLevel (, 96 dB to +10 dB)Pan: 127 posi

37、tions (Left=163, Center, Right=163)MeteringDisplayed on LCDPeak hold on/offBUS18Comp-type*4On/offPre EQ/pre fader/post faderAttenuator96.0 to +12.0 dB (0.1 dB step)EQ4-band PEQ*5On/offOn/offFader100 mm motorizedDelay043400 samplesMatrix sendPre fader/post faderLevel (, 96 dB to +10 dB)Pan: 127 posit

38、ions (Left=163, Center, Right=163)Bus to stereoLevel (, 130 dB to 0 dB)On/offPan: 127 positions (Left=163, Center, Right=163)MeteringDisplayed on LCDPeak hold on/offDM20007AUX112Comp-type*4On/offPre EQ/pre fader/post faderAttenuator96.0 to +12.0 dB (0.1 dB step)EQ4-band PEQ*5On/offOn/offFader100 mm

39、motorizedDelay043400 samplesMatrix sendPre fader/post faderLevel (,96 dB to +10 dB) Pan: 127 positions (Left=163, Center, Right=163)MeteringDisplayed on LCDPeak hold on/offMATRIX 1L4RComp-type*4On/offPre EQ/pre fader/post faderAttenuator96.0 to +12.0 dB (0.1 dB step)EQ4-band PEQ*5On/offOn/offFader10

40、0 mm motorizedBalance127 positions (Left=163, Center, Right=163)Delay043400 samplesMeteringDisplayed on LCDPeak hold on/offSURROUND MONITORMuteOn/offSoloOn/offSourceBUS18, SLOT 16Monitor to C-ROn/offOscillatorPink noise/5002 kHz/1 kHzMonitor matrix5.15.1, 5.13-1, 5.1ST, 3.13.1, 3.1STBass management5

41、 presetsMonitor alignmentATT (12.0 dB to 12 dB 0.1 dB step), Delay (030.0 msec 0.01 msec step)INTERNAL EFFECTS(EFFECT 18)BypassOn/offIn/out8-in, 8-out (EFFECT12): depends on effects type2-in, 2-out (EFFECT38): depends on effects typeEffect-in fromAUX112/INSERT OUT/effect-outEffect-out toInput patch/

42、effect-inGRAPHIC EQUALIZERS (GEQ 16)On/offBand number31Limit15 dB, 12 dB, 6 dB, 24 dBInsert positionBUS18/AUX112/STEREO L, R/MATRIX 1L4RJapan100 V, 50/60 Hz 230 W WITH OPTION 230 W WITHOUT OPTION 165 WPower RequirementsU.S./Canada120 V, 60 Hz 300 WOther220240 V, 50/60 Hz 300 WDimensions(H x D x W)25

43、7 x 821 x 906 mm (10.1 x 32.3 x 35.7)Net weight43 kg (94.8 lbs)Operating free-air temperature range1035C (5095F)Storage temperature range20 to 60C (4 to 140F)DM20008Supplied AccessoriesAC CableCD-ROM (Studio Manager)OptionsDigital interface card (MY8, MY4 series)PEAK METER BRIDGE: MB2000SIDE PANEL:

44、SP2000*1. Total harmonic distortion is measured with a 6 dB/octave filter 80 kHz.*2. Hum & Noise are measured with a 6 dB/octave filter 12.7 kHz; equivalent to a 20 kHz filter with infinite dB/octave attenuation.*3. See “Gate Parameters” on page 8. *4. See “Comp Parameters” on page 9. *5. See “EQ Pa

45、rameters” on page 8. LOW/HPFL-MIDH-MIDHIGH /LPFQ0.110.0(41 points)low shelvingHPF0.110.0(41 points)0.110.0(41 points)high shelvingLPFF21.2 Hz20 kHz (1/12 oct step)G18 dB(0.1 dB step)HPF: on/off18 dB(0.1 dB step)18 dB(0.1 dB step)LPF: on/offGateThreshold54 dB to 0 dB (0.1 dB step)Range70 dB to 0 dB (

46、1 dB step)Attack0 ms120 ms (1 ms step)Hold0.02 ms1.96 s (216 points) 48 kHz0.02 ms2.13 s (216 points) 44.1 kHz0.01 ms981 ms (216 points) 96 kHz0.01 ms1.06 s (216 points) 88.2 kHzDecay5 ms42.3 s (160 points) 48 kHz6 ms46.0 s (160 points) 44.1 kHz3 ms21.1 s (160 points) 96 kHz3 ms23.0 s (160 points) 8

47、8.2 kHzDuckingThreshold54 dB to 0 dB (0.1 dB step)Range70 dB to 0 dB (1 dB step)Attack0 ms120 ms (1 ms step)Hold0.02 ms1.96 s (216 points) 48 kHz0.02 ms2.13 s (216 points) 44.1 kHz0.01 ms981 ms (216 points) 96 kHz0.01 ms1.06 s (216 points) 88.2 kHzDecay5 ms42.3 s (160 points) 48 kHz6 ms46.0 s (160 p

48、oints) 44.1 kHz3 ms21.1 s (160 points) 96 kHz3 ms23.0 s (160 points) 88.2 kHzEQ ParametersGate ParametersDM20009CompressorThreshold54 dB to 0 dB (0.1 dB step)Ratio (x :1)x=1, 1.1, 1.3, 1.5, 1.7, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 20, (16 points)Out gain0 dB to +18 dB (0.1 dB step)KneeHard, 1, 2, 3, 4,

49、5 (6 step)Attack0 ms120 ms (1 ms step)Release5 ms42.3 s (160 points) 48 kHz6 ms46.0 s (160 points) 44.1 kHz3 ms21.1 s (160 points) 96 kHz3 ms23.0 s (160 points) 88.2 kHzExpanderThreshold54 dB to 0 dB (0.1 dB step)Ratio (x :1)x=1, 1.1, 1.3, 1.5, 1.7, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 20, (16 points)Out

50、 gain0 dB to +18 dB (0.1 dB step)KneeHard, 1, 2, 3, 4, 5 (6 points)Attack0 ms120 ms (1 ms step)Release5 ms42.3 s (160 points) 48 kHz6 ms46.0 s (160 points) 44.1 kHz3 ms21.1 s (160 points) 96 kHz3 ms23.0 s (160 points) 88.2 kHzCompander HThreshold54 dB to 0 dB (0.1 dB step)Ratio (x :1)x=1, 1.1, 1.3,