Alto-DJM4-mix-sm维修电路原理图.pdf
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1、Service MVersion: 1.1Model: DJM-4 ( 3 - C H A N N E L V C A - C O N T R O L L E D D J M I X I E R )( 3 - C H A N N E L V C A - C O N T R O L L E D D J M I X I E R ) CONTENTS1. Specification2. Block Diagram3. Schematic Diagram4. Printed Circuit Board5. Wiring Diagram6. Test Procedure7. Electrical Par
2、ts List8. Exploded Views & Mechanical Parts List9. NotesTechnical SpecificationsModel NO: DJM-4( 3-CHANNEL MIXER )AUDIO INPUTSMic Input 40dB gain,servo-balancedPhono Inputs 1 ,2 and 340dB gain1kHz,unbalancedLine Inputs 1,2 and 30dB gain, unbalancedReturn 0dB gain, unbalancedAUDIO OUTPUTSMain Out max
3、 +21dBuBooth Out max +21dBuTape Out typically 0dBuSend typically 0dBuHeadphones typically 125mW 1% THDEQUALIZER(+/-8dB)Stereo Bass +15dB/-30dB50HzStereo Middle+15dB/-30dB2.5KHzStereo Treble +15dB/-30dB10KHzKill Bass -54dB50Hz Kill Middle -40dB1KHz Kill Treble -26dB10KHz GENERALSignal-to-Noise ratio(
4、S/N) 90dB(LINE)Crosstalk 70 dB 3dB(LINE)Distortion(THD) 0.05%Frequency Response 20Hz-20KHz ( 2dB)Input Gain Adjustment -20dB-+9dB (+3dB)POWER SUPPLYMain voltageUSA/Canada100-120V, 60HzEurope210-230V, 50HzU.K./Australia240V, 50HzPower Consumption25wattsFuse95-120V : T500mAL210-240V : T315mALMain conn
5、ectionStandard IEC receptacleDIMENSIONS AND WEIGHTDimension 281(L)X220 (W)X76.6(H)mm(11.3”X9.8”X3.0”)weight3.5Kg (7.71lb)12345678ABCD87654321DCBADjm-4 DIGRAM SchTitelSizeFileDateDrawn BySheetRevisionModel No2-Aug-2003 TASY J SDJM-4 BLOCK DIGRAM 11ofDJM-4V030731A3CHANNEL 2(INPUT)PHONOLINERL123A456PB7
6、89PC01112PD123APHONOLINE456PBPHONOLINEGAINGAIN3-BAND EQLO MID HI3-BAND EQLO MID HICHANNEL 3(INPUT)PHONOLINERL123A456PB789PC01112PD123APHONOLINE456PBPHONOLINEGAINGAIN3-BAND EQLO MID HI3-BAND EQLO MID HI3ce1a4d2bMIC INPUTVoltage Controlled AmplifierRETURN TO MAIN(EFFECTS)TYPE(MAIN OUT)AMP(MAIN OUT)SEN
7、D FROM PFL(EFFECTS)RLRLRLRLGAINGAINPFL MIX3c5e1a4d2bPHONES OUTPFL LEVELPFL MODEBPMSN8P1707QLEVEL METERTEMPO DIFFERENCETIME OFFSETPHONE / LINEPHONE / LINECHANNEL 1(INPUT)PHONOLINERL123A456PB789PC01112PD123APHONOLINE456PBPHONOLINEGAINGAIN3-BAND EQLOMIDHI3-BAND EQLO MID HI123APHONOLINE456PBPHONOLINEMOO
8、TH(MAIN OUT)RLGAINGAIN(PFL) ( MAIN)12345678ABCD87654321DCBAD J M 4 - P R E . S 0 1T i t e lS i z eF i l e :D a t e :D r a w n B y :S h e e tR e v i s i o nM o d e l N o :2 - A u g - 2 0 0 3 J . S . T A S Y D J M 4 - P R E ( I N P U T & E Q )41 o fD J M - 4V E R 0 3 0 8 0 2A 323SW2A456PSW2B789PSW2C10
9、1112PSW2DCHANNEL 2PHONE/ LINER512K49R522K49456VR5B10KC123VR5A10KCR341K5C40220PC39220PR331K5R310100KR311100KC70uF/25VC910uF/25VR351K5GAINR381K5C47150nLOWC50150nR7033kR421K5R913K3123VR6A50KE123VR7A50KEMIDR6733KC6210nR838K06R10718KC746n832IC2ATL074567IC2BTL074121314IC2DTL074R1244k7C8756pR7333k123VR8A50
10、KER532K49HIGHC825n6R371K5R401K5C48150nLOWC51150nR7233kR411K5R933K3456VR6B50KE456VR7B50KEMIDR6933KC6410nR858K06R10918KC766n81098IC2CTL074R1264k7C8856pR7433k456VR8B50KER552K49HIGHC815n623SW3A456PSW3B789PSW3C101112PSW3DCHANNEL 3PHONE/ LINER562K49R572K49456VR9B10KC123VR9A10KCR441K5C41220PC42220PR451K5R3
11、13100KR312100KC160uF/25VC1710uF/25VR461K5GAINR391K5C49150nLOWC52150nR7133kR431K5R1003K3123VR10A50KE123VR11A50KEMIDR7733KC6610nR868K06R11218KC776n8321IC3ATL074567IC3BTL074121314IC3DTL074R1254k7C8956pR7533k123VR12A50KER592K49HIGHC835n6R471K5R481K5C53150nLOWC54150nR7833kR491K5R1013K3456VR10B50KE456VR11
12、B50KEMIDR7633KC6710nR878K06R11118KC786n81098IC3CTL074R1394k7C9056pR7933k456VR12B50KER582K49HIGHC845n6SWSWPHONE/LINE OUT L1PHONE/LINE OUT R1PHONE/LINE OUT L2PHONE/LINE OUT R2LINE L1LINE R1PHONO R1PHONO L1LINE R2LINE L2PHONO R2PHONO L21234567891011121314CN214PINCh1 MusicCh2 Music23SW1A456PSW1B789PSW1C
13、101112PSW1DCHANNEL 1PHONE/ LINER242K49R252K49456VR1B10KC123VR1A10KCR271K5C37220PC38220PR261K5C20uF/25VC810uF/25VR281K5GAINR291K5C43150nLOWC45150nR6333kR321K5R883K3123VR2A50KE123VR3A50KEMIDR6233KC5510nR828K06R10618KC736n832IC1ATL074567IC1BTL074121314IC1DTL074R1144k7C8556pR6533k123VR4A50KER502K49HIGHC
14、805n6R361K5R301K5C44150nLOWC46150nR6433kR311K5R923K3456VR2B50KE456VR3B50KEMIDR6833KC6310nR848K06R10818KC756n81098IC1CTL074R1154k7C8656pR6633k456VR4B50KER542K49HIGHC795n6SWPHONE/LINE OUT L3PHONE/LINE OUT R3PHONO R3PHONO L3R154100RR153100RPHONO R3PHONO L3C110uF/25VR147KP1MIC INC310uF/25VR903K3R893K312
15、3SW4A456PSW4BLD1GRNR1441K+15VC1010uF/25VR963K3R943K3C1310uF/25VR993K3R983K3456PSW5BLD2GRNR1551K+15V123SW5AC1110uF/25VR973K3R953K3123SW7AC1810uF/25VR1033K3R1023K3C1410uF/25VR1053K3R1043K3456PSW7BLD4GRNR1581K+15VC24447PR3914K7C24647PR3924K7C24510uF/25VC24710uF/25VC248104PC249104P+15V-15V567IC30B458032
16、1IC30A458084IC30C4580PHONES(L)PHONES(R)12345678ABCD87654321DCBADJM4-PRE S02Ti t e lSi z eFi l e :Da t e :Dr a w n By :Sh e e tRe v i s i o nMo d e l No :17-Ap r -2003J S TASY DJM4-PRE(PFL&MIX)42o fDJM-41.0A3R29010KD17BAT54 ( FM103 )R339560KC1980.47u/50VR1384K7R3401M2R338100RR347K+15VD24148C19910u/25
17、V321IC12ATL074321IC13ATL074C216150PR21639KR1948K2R29510KR30210KR1958K2567IC12BTL074567IC13BTL074C2010u/25VR29710KR29810KR29910KR29610KR30010KC9256PR30110KR30310KC9156PR21739KC215150PR21527KR21227KC2410uF/25V123SW13ASURROUND 456PSW13BSURROUND R1772K2R1782K2LD5GRN+15V123VR221KAR23520KC153100nR23420KR2
18、3620KC217220uF/6.3VSURROUNDC2710uF/25VC2610uF/25VVR20A10KAC2810uF/25VR35522K1098IC12CTL074C18920PR947KC20547uF/25V456VR20B10KAC2910uF/25VR35622K1098IC13CTL074C19020PR847KC20447uF/25VOUT A LEVELOUT A LEVEL-15V+15VVDDR21427KR21327KC2310uF/25VC2510uF/25VGND8I IN27V C26I OUT25I OUT14I C13I IN12MODE1V+16
19、I IN415V C414I OUT413I OUT312V C311I IN310V-9IC17SSM2164R20530K+15V-15V+15VR2086K81R200511RC98560PR1811MC9527nR188200K123VR15100KB-15VR342150KR29210KR18551K1D44148VR1650KBMAIN OUT TALK12356748SW1R1762K2R1147KR1978K2R2096K81R201511RC99560PR2106K81R202511RC100560PCH2 CURVER2116K81R203511RC101560PR1801
20、MC9427nR187200K123VR14100KB-15VR341150KR29110KR18451K1D3414812356748SW10R1752K2R1047KR1968K2CH1 CURVESOFTMIDSHARPSOFTMIDSHARP+15V-15VC20947uF/25VC21047uF/25V411IC14ETL074R1742K2+15V-15V567IC14BTL074R8033KR343180KC18720PC20010u/25VR747KR547KR447KR1847K123VR17A20KBPFL MIXR647K123SW8APFL MODE321IC14ATL
21、074R8133KR344180KC19320PC20210u/25VR2147KR1647KR1747K456VR17B20KBPFL MIXR2047KR1947KR16818KR17118KC3410uF/25VR2347KR1691KR1701KC3510uF/25VR2247K456PSW8B1098IC14CTL074R612K49R35012KR315100KC19420PC20847uF/25VC3610uF/25VR35347RR35447R456VR19B50KBAPFL LEVEL121314IC14DTL074R602K49R34912KR314100KC18820PC
22、20347uF/25VC2010uF/25VR35247RR35147R123VR19A50KBPFL LEVEL411IC3ETL074C154100nC155100n84IC15C4580411IC12ETL074411IC11ETL074411IC10ETL07484IC16C4580C156100nC157100nC158100nC159100nC160100nC161100nC162100nC163100nC164100nC165100n411IC2ETL074MIC INRETURN LRETURN RTAPE LTAPE RPHONES OUT RPHONES OUT LSEND
23、 LSEND RAMP LAMP RMIC OUT RMIC OUT LSEND LSEND RPHONES OUT RPHONES OUT LPHONES OUT RPHONES OUT LSHARPSMOOTH12345678910CN310PIN12345678910111213141516CN416PINSGNDSHARPSMOOTHSHARPSMOOTH ( SURROUND ON)411IC1ETL074R1591KR1601KBOOTH RBOOTH LP1MIC INGND8I IN27V C26I OUT25I OUT14I C13I IN12MODE1V+16I IN415
24、V C414I OUT413I OUT312V C311I IN310V-9IC18SSM2164R20430K+15V-15V+15VR2067K5R198511RC96560PR2077K5R199511RC97560PR1791MC9327nR186200K123VR13100KB-15VR18351K112356748SW9R1732K2R247KR1898K2CH3 CURVEPHONE/LINE OUT L3PHONE/LINE OUT R3SOFTMIDSHARPR3611KR3601K OUT (R1) OUT (R2) OUT (L1) OUT (L2)C1510uF/25V
25、R1481KR1571KC410uF/25VR1451KR1561KLD3GRN+15VC3010uF/25V123VR21A10KAC3210uF/25VR35722K121314IC12DTL074C19120PR1233KC20647uF/25VR1447KOUT B LEVELC3110uF/25V456VR21B10KAC3310uF/25VR35822K121314IC13DTL074C19220PR1333KC20747uF/25VR1547KOUT B LEVELBOOTH RBOOTH L123VR18A20KB456VR18B20KBBAL ABAL AMAIN RMAIN
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- Alto DJM4 mix sm 维修 电路 原理图