Yamaha-EMX5000-mix-sm 维修电路原理图.pdf

《Yamaha-EMX5000-mix-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-EMX5000-mix-sm 维修电路原理图.pdf（124页珍藏版）》请在收音机爱好者资料库上搜索。

1、EMX5000-12/201SERVICE MANUALPA011633 1.387K-9551 Printed in Japan 2002.3HAMAMATSU, JAPAN CONTENTSSPECIFICATIONS. 3/5PANEL LAYOUT. 7CIRCUIT BOARD LAYOUT. 11BLOCK & LEVEL DIAGRAM.12WIRING. 14DIMENSIONS. 14DISASSEMBLY PROCEDURE. 15LSI PIN DESCRIPTION. 20IC BLOCK DIAGRAM. 23CIRCUIT BOARDS. 24INSPECTIONS

2、. 39/46CIRCUIT DIAGRAMS. 54PARTS LISTThis document is printed on chlorine free (ECF) paper with soy ink.EMX5000-20本资料由O K X I A 视听皮带资源库w w w . o k x i a . c n 提供RadioFans.CN 收音机爱 好者资料库EMX5000-12/202WARNING: THIS APPARATUS MUST BE EARTHEDIMPORTANTTHE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANC

3、E WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVEAs the colours of the wires in the mains lead of this apparatus 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

4、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 connected to the terminal which is marked with the letter N or coloured BLACK.The wire which is coloured BROWN must be connected to

5、 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.WARNINGComponents having special characteristics are marked and must bereplaced with parts having specification equal to those originally installed.IMPOR TANT

6、 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 known and under-stood by the users, and have therefore not been r

7、estated.WARNING :Failure to follow appropriate service and safety procedures when servicing this product may result in per-sonal injury, destruction of expensive components and failure of the product to perform as specified. Forthese reasons, we advise all Yamaha product owners that all service requ

8、ired should be performed by anauthorized Yamaha Retailer or the appointed service representative.IMPORTANT :This presentation or sale of this manual to any individual or firm does not constitute authorization certifi-cation, recognition of any applicable technical capabilities, or establish a princi

9、pal-agent relationship ofany 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. Modifications are, therefore, inevitableand changes in s

10、pecification are subject to change without notice or obligation to retrofit. Should any discrepancy appear toexist, please contact the distributors Service Division.WARNING :Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by groundin

11、g yourself to the ground bus in the unit (heavy gauge black wires connect tothis bus.)IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply powerto the unit.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains

12、LEAD. In addition, other electrical/electronic and/or plastic (Whereapplicable) 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, ELECTRIC

13、AL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSO 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 in contact with solder or components located inside the enclosure

14、of this product, wash your hands before handlingfood.This mark urges servicemen to pay attention.RadioFans.CN 收音机爱 好者资料库EMX5000-12/203SPECIFICATIONSMaximum output powerSPEAKERS: 500 W+500 W/4 0.5% THD at 1 kHz325 W+325 W/8 0.5% THD at 1 kHzBRIDGE:1000 W/80.5% THD at 1 kHzFrequency response20 Hz20 kH

15、z +1 dB, 3 dB 1 W output into 8 (SPEAKERS OUT)20 Hz20 kHz +1 dB, 3 dB +4 dB output into 600 (ST OUT, ST SUB OUT, MONO OUT, AUX SEND, EFFECT SEND)Total harmonic distortionLess than 0.5% 20 Hz20 kHz, 250 W output into 4 (SPEAKERS OUT)Less than 0.3% 20 Hz20 kHz, +14 dB output into 600(ST OUT, ST SUB OU

16、T, MONO OUT, AUX SEND, EFFECT SEND)Hum & noise(Average, Rs=150)(with 20 Hz20 kHz BPF)128 dB equivalent input noise, 65 dB residual output noise (SPEAKERS OUT)95 dB residual output noise (ST OUT, ST SUB OUT, AUX SEND)84 dB (ST OUT, MONO OUT)ST master/MONO master fader at nominal level and all chan-ne

17、l On switches off and all channel fader at minimum.64 dB (68 dB S/N)(ST OUT, MONO OUT)ST master fader at nominal level and one channel On switch on and one channel fader at nominal level and one channel Gain control at nominal level.81 dB (AUX SEND)Master fader at nominal level and all channel On sw

18、itches off and all channel level control at minimum.80 dB (EFFECT SEND)All channel level control at minimum.Maximum voltage gain108 dBINPUT A/B to SPEAKERS OUT84 dBINPUT A/B to ST OUT, MONO OUT80 dBINPUT A/B to AUX SEND (PRE)90 dBINPUT A/B to AUX SEND (POST)78 dBINPUT A/B to EFFECT SEND58 dBST CH IN

19、 to ST OUTCrosstalk at 1 kHz68 dB adjacent input, 68 dB input to outputInput channel equalization15 dB MaximumHIGH10 kHzshelving*MID250 Hz5 kHzpeakingLOW100 Hzshelving* Turn over/roll off frequency of shelving: 3 dB below maximum variable level.ST Input channel equalization15 dB MaximumHIGH10 kHzshe

20、lving*MID2.5 kHzpeakingLOW100 Hzshelving* Turn over/roll off frequency of shelving: 3 dB below maximum variable level.CH peak indicatorsRed LED on each channel lits when POST EQ signal reaches the level 3 dB below clipping.CH signal indicatorsGreen LED on each channel lits when POST EQ signal reache

21、s the level 10 dB.Meters13 points LED meterPower amp select switch500W + 500W, 300W + 300W, 100W + 100WLimiterComp. : THD0.5% (SPEAKERS OUT)LIMIT indicatorsTurn on : THD0.5% (SPEAKERS OUT)Graphic equalizer9 bands (63, 125, 250, 500, 1k, 2k, 4k, 8k, 16k Hz), 12 dB MaximumInternal digital effect 116 p

22、rograms, parameter controlInternal digital effect 216 programs, parameter control, tap delay control, foot switch (DIGITAL EFFECT ON/OFF, TAP)Foot switch (FC5)Digital effect 2 mute: on/off, Tap delayProtection circuit (Power amp)POWER switch on/off mute, DC detection, TEMP (heatsink temp. 90C)Fan ci

23、rcuitstop low speed (50C) variable high speed (70C)Phantom power+48 V (balanced input)OptionFC5 (Foot switch), RK-124 (EMX5000-12)Power requirement/Power consumptionUSA and Canada:120 V AC 60 Hz, 400 WEurope:230 V AC 50 Hz, 550 WOther:240 V AC 50 Hz, 550 WGeneral specificationsDimensions (WxHxD)682

24、158 538 mm (EMX5000-20) / 478 158 538 mm (EMX5000-12)Weight19 kg (EMX5000-20) / 15 kg (EMX5000-12)AccessoriesPower cord, Owners ManualEMX5000-12/204For European ModelPurchaser/User Information specified in EN55103-1 and EN55103-2.Inrush Current: 70AConformed Environment: E1, E2, E3 and E4Input termi

25、nalsGain controlActual load impedanceFor use withnominal Input levelConnectors on mixerSensitivity11. Sensitivity is the lowest level that can produce an output of +4 dB (1.23 V) or the nominal output level when the unit is set at maximum gain. (All fader and level controls are at maximum position.)

26、NominalMax. before clipCH INPUT A (CH18/116)605 k50600 Mics80 dB (0.078 mV)60 dB (0.775 mV)40 dB (7.75 mV)XLR-3-31 type22. Balanced. (T=HOT, R=COLD, S=GND)1636 dB (12.3 mV)16 dB (123 mV)+4 dB (1.23 V)CH INPUT B (CH18/116)6050 k600 Lines80 dB (0.078 mV)60 dB (0.775 mV)40 dB (7.75 mV)PHONE JACK (TRS)2

27、1636 dB (12.3 mV)16 dB (123 mV)+4 dB (1.23 V)ST INPUT (CH912/1720)3410 k54 dB (1.55 mV)34 dB (15.5 mV)14 dB (155 mV)PHONE JACK33. Unbalanced.In these specifications when dB represents a specific voltage, 0 dB is referenced to 0.775 Vrms, 0 dBV is referenced to 1 Vrms.+1010 dB (245 mV)+10 dB (2.45 V)

28、+30 dB (24.5 V)ST SUB IN (1, 2)12 dB (195 mV)+4 dB (1.23 V)+20 dB (7.75 V)2TR IN (L, R)26 dBV (50.1 mV)10 dBV (316 mV)+10 dBV (3.16 V)PHONO JACK3INSERT IN (CH18/116)20 dB (77.5 mV)0 dB (0.775 V)+20 dB (7.75 V)PHONE JACK3POWER AMP IN (A, B)12 dB (195 mV)+4 dBV (1.23 V)+18 dB (6.16 V)PHONE JACK3Output

29、 terminalsActual source impedanceFor use withnominalOutput levelConnectors on mixerNominalMax. before clipingST OUT (L/R)150600 Lines+4 dB (1.23 V)+20 dB (7.75 V)PHONE JACK11. Unbalanced.ST SUB OUT (L/R)MONO OUTAUX SEND 1, 2EFFECT SEND 1, 2REC OUT (L/R)60010 k Lines10 dBV (316 mV)+10 dBV (3.16 V)PHO

30、NO JACK1INSERT OUT (CH18/116)0 dB (775 mV)+20 dB (7.75 V)PHONE JACK1PHONES (L/R)10040 Lines3 mW75 mWPHONE JACK (TRS)22. Impedance balaned. (T=HOT, R=COLD, S=GND)In these specifications when dB represents a specific voltage, 0 dB is referenced to 0.775 Vrms, 0 dBV is referenced 1 Vrms.SPEAKERS 1 (A,

31、B)0.14/8 Speakers100 W/4500 W/4SPEAKONSPEAKERS 2 (A, B)PHONE JACK1Input specificationsOutput specificationsEMX5000-12/205EMX5000-12/206EMX5000-12/207Control Panel Channel Control Section26 dB pad switchGAIN control 80 (High pass filter) switchEqualizer controls (HIGH, MID, LOW)AUX1, AUX2 controls /

32、POST switchesEFF 1, 2 controls (EFFECT)PAN (panpot) control(EMX5000-20: Cannels 1-16,EMX5000-12: Cannels 1-8)BAL (balance) control(EMX5000-20: Cannels 17/18-19/20,EMX5000-12: Cannels 9/10-11/12)ON switch, indicatorPEAK indicatorSIGNAL indicatorPFL (pre-fader listen) switchChannel faderPHANTOM indica

33、torqewrtuortio!1!1!3!3!2!2wyy!0!0*!41234567891011121314PANEL LAYOUTEMX5000-12/208 Master Control Section 2TR IN Section Stereo Sub Input SectionAUX 1, 2 controlsST (stereo) controlPFL (pre-fader listen) switch!6!7!6!5!7!543ST (stereo) controlPFL (pre-fader listen) switch!8!9012AUX 1 faderAUX 2 fader

34、MONO OUT faderST OUT faderAFL (after fader listen) switch1516171819202122EMX5000-12/209 Power amp Section Digital effect Section Graphic equalizer Section665577899#0#0#1#1PROGRAM selectorPARAMETER controlAUX 1/2 controlTAP switch, indicatorEFFECT 1/2 ON switchPFL (Pre-fader listen) switchEFFECT 1/2

35、RTN fader#2#3#4#5#6Graphic equalizerON switchLIMITER indicatorPower amp select switchMaximum output select switch252627282930313233343536EMX5000-12/20101234567891011121314151617 Other indicators and controls Input/Output pabel#7!1t yi!5!6 !7!0!4qrewu!3o!2#9#8$3$0$2$1 POWER indicator YAMAHA SPEAKER P

36、ROCESSING STAND-BYPOWER indicatorON/OFF switchON/OFF switchPeak level indicatorPHONES controlST SUB OUT controlLPF control, ON/OFF switchChannel input jacks (INPUT A, INPUT B)EMX5000-20: 116, EMX5000-12: 18INSERT I/O (insert) jacksPHANTOM switchLINE (stereo) input jacksEMX5000-20: 17/1819/20,EMX5000

37、-12: 9/1011/122TR IN jacksREC OUT jacksST SUB IN 1 (stereo sub 1) jacksST SUB IN 2 (stereo sub 2) jacksAUX SEND 1 jack, AUX SEND 2 jackEFFECT SEND 1 jack, EFFECT SEND 2 jackST OUT jacksST SUB OUT jacksP.AMP IN A, B (power amp input) jacksMONO OUT jackPHONES jackFOOT SW EFFECT 2 ON/OFF jackFOOT SW (E

38、FFECT 2) TAP jackLAMP jack37383940414243EMX5000-12/2011 Rear panelCIRCUIT BOARD LAYOUTIN8DSPEMX5000-20 onlyIN16MASPWRSMPS 1/2SMPS 2/2wqeAC inletPOWER switchSPEAKERS (speaker output) jacks123EMX5000-12/2012BLOCK & LEVEL DIAGRAMCH INPUT6016dB34+10dBCH INSERT I/O0dBEMX5000-12:CH1-8EMX5000-20:CH1-16EMX5

39、000-12:CH1-8EMX5000-20:CH1-16ABGAIN6016dB34+10dBPHANTOM8CH/SWEMX5000-12:CH1-8EMX5000-20:CH1-8 CH9-16PADHPFHPFBAHA+48V26dB0dB0dB0dB3-Stage EQLo GainHi GainMid fMid GainBAON10dB0dBCH FaderPEAKSIGNALPANPOSTPFLPOSTEFFECT1EFFECT2AUX1AUX20dB6dB6dB6dB6dBSTEREO L (NON-MUTE)STEREO R (NON-MUTE)EFFECT1 (NON-MU

40、TE)EFFECT2 (NON-MUTE)AUX1 (NON-MUTE)AUX2 (NON-MUTE)STEREO L (MUTE)STEREO R (MUTE)EFFECT1 (MUTE)EFFECT2 (MUTE)AUX1 (MUTE)AUX2 (MUTE)PFL L / AFL LPFL R / AFL RPFLAFLSUMSUMSUMSUM0dB0dB0dB0dBSTAND-BYEMX5000-12:CH1-8EMX5000-20:CH1-16SUMSUM0dB0dB9963Hz125Hz250HzAFLAFLAFLSUMSUMSUM0dBSUM0dBSUM0dB0dB0dBSUM0d

41、BSUMSUMSUM6dBSUM6dBSUM0dBSUM0dBINV0dBINV0dBPFLPOSTPOSTBALEFFECT1EFFECT2AUX1AUX20dB6dB6dB6dB6dBDNBABA0dB0dB10dBST CH FaderPEAKSIGNALGAIN34+10dBST CH INPUT34+10dBEMX5000-12:CH9(L)/10(R),CH11(L)/12(R)EMX5000-20:CH17(L)/18(R),CH19(L)/20(R)HAHA0dBLR3-Stage EQ3-Stage EQLoHiMidBABAPADPADPFLAUX1STAUX20dB+4d

42、B6dB6dB6dB6dB16dB16dBST SUB IN 1,2+4dBL (MONO)R2TR IN10dBVBABA0dB6dB6dBLRPROGRAMPARAMETERPROGRAMPARAMETERDIGITALEFFECT1ONONINL OUTR OUTDIGITALEFFECT2INL OUTR OUTSTEFFECT1 RTNEFFECT2 RTNPFLPFLPFLAUX1AUX212dB12dBAUX1AUX212dB12dBFOOT SWITCHTAPTAPON/OFF0dB=0.775V0dBV=1V+30dB+20dB+10dB0dB10dB20dB30dB40dB

43、50dB60dBST CH INPUTGAIN Min. +10dBST CH INPUTGAIN Max. 34dBCH INPUT A, BGAIN Max. 60dBCH INPUT A, B GAIN Min. 16dBST SUB IN +4dBCH & ST CH to ST 0dB (PAN, BAL turned hard left/right)CH & ST CH to AUX/EFFECT 6dBST SUB IN to ST/AUX 6dB2TR IN to ST 6dB2TR IN 10dBVfader 10dBREC OUTIN8/IN16MASIN8EMX5000-

44、20EMX5000-12MASIN16DSP-SPXAAIC101,201,301,401,501,601,701,801IC505,705IC105,305IC101,102, 201,202IC101, 102, 201, 202IC501IC502IC501IC502IC503IC50357IC30267IC30367IC303M21IC30621IC30567IC305267 211IC306IC3076721672167672121IC308IC504IC504IC310IC310IC309IC309Q308Q307Q304Q30367IC30167IC30221IC3012131I

45、C107,307, 507,707CN903, 904CN903CN904CN901CN902CN903CN904CN603CN604CN603, 604IC104,204IC104,204IN8CN903CN904MASCN603CN604CN10135PCN50135PEMX5000-12/2013PFLAFL0dB0dB0dB0dBSTAND-BYEMX5000-12:CH1-8EMX5000-20:CH1-16SUMSUM0dB0dBREC OUT10dBVLR9-Stage GEQ9-Stage GEQ63Hz125Hz250Hz500Hz1kHz2kHz4kHz8kHz16kHzG

46、EQBABABABA6dB10dBST OUTST SUB OUTDRDRST SUB OUT+4dBLRST OUT+4dBLRPEAKPEAKYSPYSPPOWER AMP IN+4dBYAMAHASPEAKERPROCESSINGABLIMITTERLIMITTERPROTECTORPower SelectSPEAKERS500Wmax4ohmsAABRIDGEB2112500W300W100W500W300W100W+11+22+11+22POWER AMP ControlsINVSignal SelectMAIN LAUX1AUX1MONO BRIDGEMAIN RMONOAUX2M

47、ONO BRIDGEFREQ80120Hz(12dB/oct)INVLPFLPFSUMMONO OUT+4dB10dBMONO OUTBABAAUX SEND1+4dBAUX SEND2+4dB10dBAUX110dBAUX2AFLAFLAFLSUM0dB0dB0dB0dB0dBSUM0dBSUM6dBSUM6dBSUM0dBSUM0dBINV0dBINV0dBPHONES 3mW40ohmsST OUTST SUB OUTMONO OUT +4dBAUX SEND, EFFECT SEND +4dBREC OUT 10dBVPHONES 16dBST SUB level control 6d

48、BEFFECT 6dBSTMONOAUX fader 10dBSPEAKERS OUTMAXIMUM OUTPUT POWER 500W/4100W/4+40dB+30dB+20dB+10dB0dB10dB20dB30dB40dB50dB60dBINVINVINVINVEFFECT SEND1+4dBEFFECT SEND2+4dBPHONES3mW40ohms16dBPHONESSMPS 1/2SMPS 2/2PWRAA27IC30367IC316IC316JK301JK302JK303JK101JK602JK601JK102JK304IC317IC31757313IC6018IC60281

49、57IC303JK505MAIN GEQ21IC31867IC319IC604JK3052131615757 2116C307721672167672121C308IC504IC504IC310IC310IC309IC30957IC320JK306JK307JK308JK309JK50831IC32021IC32167IC3212167IC505IC505VR515Q308Q307Q304Q3037172111CN602LAMPLAMPCN105CN102VH3PIC105IC104+12V2P15P15PLAMP+63V-21V+12V2P+B-BCN601CN101+5V+48V+63VI

50、C103, Q136PAPAABCN104CN104OV(LAMP) +17V+63VD112D114Q111115D106,D107D108-D111D113T104F104F103F102-21V+12V10PCN103-10PCN102W101YEF101POWERSW101ACINLETW101BRCN103D102VH3PRY101W102BEW102BLW102BEVH2P+15V+21VIC101-15V-21VIC102COILFANLINEFILTERFANCONTROLOFF DETECTSWITCHINGREGULATOREMX5000-12/2014DIMENSIONS