Alto-DJM3-mix-sm维修电路原理图.pdf
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1、Service MVersion: 1.1Model: DJM-3 ( 2 - 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 )( 2 - 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. Notes114. Technical SpecificationsModel NO: DJM-3 ( 2-CHANNEL MIXER )Mic InputPhono Inputs 1 and 2Line Inputs 1and 2ReturnMain OutTape OutSendHeadphonesStereo BassStereo MiddleStereo TrebleStereo BassStereo TrebleSignal-to-Noise ratio(S/N)CrosstalkD
3、istortion(THD)Frequency ResponseInput Gain AdjustmentMain voltagePower ConsumptionFuseMain connectionDimensionweightAUDIO INPUTSAUDIO OUTPUTSEQUALIZER(/8dB)GENERALPOWER SUPPLYDIMENSIONS AND WEIGHT40dB gain,servo-balanced40dB gain1kHz,unbalanced0dB gain, unbalanced0dB gain, unbalancedmax21dButypicall
4、y 0dButypically 0dButypically 125mW 1% THD15dB/30dB50Hz15dB/30dB2.5KHz15dB/30dB10KHz15dB/15dB30Hz15dB/15dB20KHz90dB(LINE)70 dB3dB(LINE)0.1%20Hz-20KHz (2dB)20dB -9dB (3dB)USA/Canada100-120V, 60HzEurope210-230V, 50HzU.K./Australia240V, 50Hz12watts95-120V : T400mAL210-240V : T200mALStandard IEC recepta
5、cle248(L)245(W)76.6(H)mm (9.89.63.0)2.9Kg (6.39lb)12345678ABCD87654321DCBADjm-3 DIGRAMSchTitelSizeFileDateDrawn BySheetRevisionModel No4-Sep-2002 TASY J SDJM-3 BLOCK DIGRAM 11ofDJM-3V1.0A3CHANNEL 1(INPUT)PHONOLINERL123SW3A456PSW3B789PSW3C101112PSW3D123APHONOLINE456PBPHONOLINEGAINGAIN3-BAND EQLO MID
6、HI3-BAND EQLO MID HICHANNEL 2(INPUT)PHONOLINERL123SW3A456PSW3B789PSW3C101112PSW3D123APHONOLINE456PBPHONOLINEGAINGAIN3-BAND EQLO MID HI3-BAND EQLO MID HI3c5e14d2bMIC INPUTMIC ON SWGAIN2-BAND EQLOHIVoltage Controlled AmplifierRETURN TO MAIN(EFFECTS)TYPE(MAIN OUT)AMP(MAIN OUT)SEND FROM PFL(EFFECTS)RLRL
7、RLRLGAINGAINPFL MIX3c5e1a4d2bPHONES OUTPFL LEVELPFL MODEBPMSN8P1707QLEVEL METERTEMPO DIFFERENCETIME OFFSETPHONE / LINEPHONE / LINE12356789101112ABCD12111098765321DCBADJM3 PRE A&D Sc hTi t e lSi z eFi l e :D t:Dr a w n By :Sh tRe v i s i o nMo d e l No :24 Oc t2002J S TASY DJM3 PRE&BPM11fDJM 31 0A312
8、3SW3A56PSW3B78PSW3C01112PSW3DCHANNEL 1PHONE/ LINER502K49R512K49VR1A10KCVR1B10KCR621K5C99220PC100220PR631K5R81100KR82100KC3310uF/25VC3410uF/25VR1541K5GAINR1721K5C141150nLOWC146150nR19233kR1561K5R1423K3VR15B50KEVR11B50KEMIDR12733KC13210nR1288K06R11118KC1276n8321C7ATL074567IC7BTL07412131IC7DTL074R1554k
9、7C12156pR9433kVR6B50KER1102K49HIGHC1175n6R1591K5R1731K5C142150nLOWC147150nR19333kR1571K5R1433K3VR15A50KEVR11A50KEMIDR13033KC13310nR1298K06R11218KC1286n81098IC7CTL074R1584k7C12256pR9533kVR6A50KER1132K49HIGHC1185n6321IC17AO64C56IC17B064CC14020PR16518K123SW4A56PSW4B78PSW4C01112PSW4DCHANNEL 2PHONE/ LINE
10、R602K49R612K49VR5A10KCVR5B10KCR671K5C106220PC107220PR681K5R92100KR93100KC4410uF 25VC4510uF/25VR1661K5GAINR1861K5C143150nLOWC148150nR19433kR1681K5R1513K3VR16B50KEVR14B50KEMIDR13733KC13710nR1388K06R12418KC1296n8321IC11ATL074567IC11BTL07412131IC11DTL074R1674k7C12556pR10633kVR10B50KER1232K49HIGHC1195n6R
11、1711K5R1871K5C144150nLOWC149150nR19533kR1691K5R1523K3VR16A50KEVR14A50KEMIDR14033KC13810nR1398K06R12518KC1306n81098IC11CTL074R1704k7C12656pR10733kVR10A50KER1262K49HIGHC1205n6C14520PR18518KC5910uF/25VC6010uF/25VSWSWPHONE/LINE OUT L1PHONE/LINE OUT R1PHONE/L NE OUT L2PHONE/LINE OUT R2123VR220KCR5347RC96
12、100NHIGHR54301R123VR720KCLOWC481uF/50VR96301RR974K7C116100NC3647uF 25V67C8B2068321C8A2068C10120PR73220KR8300KC4610uF/25V123VR1210KALEVELC3510uF 25VR642K7C9827nR52330RR9810KD7BAT54 ( FM103 )R76560KC370.47u/50VR754K7R741M2R85100RR8447K15V12SW7A5PSW7BLEVEL ONR114100KC56220uF/ 6 3VR1882K2R1892K2LD1GRN-1
13、5V-15VD84148C4910u/25VC4710u/25VR20027K321IC20ATL074567IC20BTL074C153150PR20227KR1508K2R1360K1098IC20CTL0741213IC20DTL074R12110KR1228K2321IC13ATL074567IC13BTL074C4310u/25VR10510KR10410KR14910KR10310KR10810KC12356PR14810KR10910KC12456PR19927KR20127KC152150PR20527KR20427KC6210uF 25V123SW8ASURROUND 56P
14、SW8BSURROUND R1902K2R1912K2LD4GRN15V23VR131KAR13520KC131100nR11920KR12020KC61220uF/6.3VSURROUNDC4110uF 25VC4010uF/25VVR4A10KAC3010uF/25VR5922K1098IC13CTL074C10520PR8047KC3247uF 25VR49100KVR4B10KAC2910uF/25VR5822K1213IC13DTL074C10420PR7947KC3147uF/25VR48100KMAIN OUT LEVELMAIN OUT LEVELMIC INPUTMIC IN
15、PUTMIC INPUT-15V15VVDDR20627KR20727KC6310uF 25VC4210uF/25VMIC INGND8I IN27V C26I OUT25I OUT1I C13I IN12MODE1V16I IN15V C1I OUT13I OUT312V C311I IN310V-9IC23SSM2164R21630K15V-15V15VR21827KR222511RC160560P321IC24A2068R2281MC16227nR224200K23VR18100KB-15VR215150KR23010KR22751K1D20414813VR950KBMAIN OUT T
16、ALK123567SW14R2342K2R23647KR2358K2R21727KR220511RC158560PR21327KR221511RC159560PCH2 CURVER21227KR219511RC157560P567IC24B2068R2251MC16127nR223200K23VR17100KB-15VR214150KR22910KR22651K1D194148123567SW13R2312K2R2337KR2328K2CH1 CURVEPHONE LINE OUT L1PHONE LINE OUT L2PHONE LINE OUT R1PHONE LINE OUT R2SOF
17、TMIDSHARPSOFTMDSHARPR3922RR4022R15V-15VR422RR4222RC2547uF/25VC2647uF/25V11IC9ETL07423SW6ASW PS- 42E85L56PSW6BR1412K2R1532K2LD3REDLD2GRNMAINPFL-15V15V-15V567IC9BTL074R8833KR77180KC10220PC5010u/25VR9947KR6547KR6647KR8747K56VR8B20KBPFL MIXR8647K23SW5APFL MODE321IC9ATL074R8933KR78180KC10320PC5110u/25VR
18、0047KR7147KR727K123VR8A20KBPFL MIXR9147KR9047KR1181KR1171KC5310uF/25VR1027KR1161KR1151KC5210uF 25VR10147K56PSW5B1098C9CTL074R462K49R5712KR56100KC9720PC2847uF/25VC3910uF/25VR6947RR7047RVR3A50KBAPFL LEVEL101112PSW6D789PSW6CR147100KR161100KR16062KR14662KPHONE LINE OUT R2PHONE LINE OUT R1PHONE/LINE OUT
19、L2PHONE/LINE OUT L112131C9DTL074R452K49R4712KR55100KC9520PC2747uF/25VC3810uF/25VR4347RR4447RVR3B50KBPFL LEVELLEVEL METERX15X1511IC7ETL074C108100nC109100n8C8C458011IC20ETL07411IC13ETL07411C11ETL0748IC24C4580C114100nC115100nC112100nC113100nC155100nC156100nC110100nC111100nC163100nC164100n11IC17E064CLIN
20、E L1LINE R1PHONO R1PHONO L1LINE R2LINE L2PHONO R2PHONO L2MIC INRETURN LRETURN RTAPE LTAPE RPHONES OUT RPHONES OUT LSEND LSEND RAMP LAMP RM C OUT RMIC OUT LMIC OUT RMIC OUT LSEND LSEND RPHONES OUT RPHONES OUT LPHONES OUT RPHONES OUT LSHARPSMOOTH12356789101112CN1312PIN1235678910CN1010PIN12356789101112
21、131CN1414PINAMP RAMP LSGNDSHARPSMOOTHSHARPSMOOTH ( SURROUND ON) ( LEVEL ON )VPP1P0.0/INT02P0.1/INT13P0.2/INT2RST5P1 56P1.7P1 38VDD9P1 210P1 111P1.012P2.013P2.11P2.215P2.316VSS17AVSS18P .7/AIN719P .6/AIN620P .5/AIN521P . /AIN22P .3/AIN323P .2/AIN22P .1/AIN125P .0/AIN026AVREF27VDD28DAO29P5.730P5 631P5
22、 532P5. /TC0/PWM033P5.3/TC1/PWM13P5.2/SO35P5.1/SI36P5.0/SCK37P2.38P2.539P2.60P2.71VSS2XOUT3XINIC2SN8P1707R2210KD11 8SGNDVDDTR6PNPTR7PNPTR8PNPVDDVDDVDDR28K7R27K7R25K7R26K7RB0RB3RBRB5RB0RB1RB2R17220R16220R15220R18220QQ5Q6Q3R21220R20220R19220Q0Q1Q2C910SGNDVDDX18MHzSGNDSGNDC20PC320PSGNDVDDTR9PNPVDDR1220
23、R13220R10220R12220R11220RA0RA1RA2RA3RALED36LEDLED35LEDLED3LEDLED33LEDLED32LEDLED31LEDLED30LEDTR5PNPVDDLED29LEDLED28LEDLED27LEDLED26LEDLED25LEDLED2LEDLED23LEDQ0Q1Q2Q3QQ5Q6SGND SGNDRK7R5K7VDDVDDLED2LEDLED1LEDTR10PNPTR11PNPTR12PNPVDDVDDVDDRB3RBRB5TRPNPVDDLED22LEDLED21LEDLED20LEDLED19LEDLED18LEDLED12LED
24、LED11LEDLED10LEDLED9LEDTR3PNPVDDLED17LEDLED16LEDLED15LEDLED1LEDLED13LEDLED7LEDLED6LEDLED5LEDLEDLEDR9K7R8K7VDDLED8LEDLED3LEDCh1 BPMCh2 BPMTime OffsetTempo DifferenceLeft MeterRight MeterBeat LedCh2R30K7R29K7RB2RB1C110 PSGNDTR2PNPVDDTR1PNPVDDR7K7R6K7Left MeterRight MeterRA0RA1RA2RA3RAR1220R2220SGNDSGN
25、DR23K7R2K7RB6RB7RB6RB7Ch2Beat AssistC210uFg5f10A112e1d2dp3cA29b7a11A38IC3LED-7SEG-3Q0Q1Q2Q3QQ5Q6g5f10A112e1d2dp3cA29b7a11A38ICLED-7SEG-3Q0Q1Q2Q3QQ5Q6Q0Q1Q2Q3QQ5Q6RA0RA1RA2RA3RARA0RA1RA2RA3RARA0RA1RA2RA3RACh1TEST1R3K7VDDCh1-20dB-10dB-7dB- dB-2dB-20dB-10dB-7dB- dB-2dB 0dB2dBdB7dB10dB 0dB2dBdB7dB10dBLe
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- Alto DJM3 mix sm 维修 电路 原理图