Carvin-BX120-pre-sch维修电路原理图.pdf

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1、2. ALL CAPACITORS IN MICORFARADS, EXCEPT AS NOTED.NOTES: UNLESS OTHERWISE SPECIFIED.4. ADDED AS SECONDARY OPERATION.1. ALL RESISTORS IN OHMSMMBT5550 NPNMMBT5401 PNPEFF RETURNMASTER VOLUMEEFF SEND/ tunerCOMPRESSOR1000F 25V1000F 25VGRAPHIC +GRAPHIC -GRAPHIC +GRAPHIC -COMP SENSGND LIFTGRAPHICGRAPHIC.00

2、33FFOOT SW+15VDC-15VDCCLEAN+15VAMP+15VAMP-15VAMP-15VAMP-15VAMP+15VAMP-15VAMP+15VAMPPRE AMP-15VDC+15VDC+15VDC22 1W1%5401OP1.AOP1.B120pF82pF.00471.5H.1FPOWER22F22F39pF22F22F22F22FR118R12039pFR108R94R95S6.AS6.B82pF78157915R133C177C176R138R176R178C181D111R134C121R139R140R141D107R147R142R143R144R145R330R

3、419L100Q105Q104R179R177-24VDCK100R322R320D310D312C317R323R321R311R312R325R324R331C503AC504AQ117R148C313R4151FR327R329Q303R408R407R122R413C401C410R38R83C19R40C52R47C22AR41R42C20R84C51C50R85R81.01.01R80R57R58R5210K10K4.7KR82C77C76R79C53D11C65C66R39R117J13.01VR1VR2C18J10cwcwD4D6J51J4V+V-22EQ+ + +123Sys

4、tem Master2N540010K2.2K12340 World Trade DriveSan Diego, CA 92128(858) 487-1600FAX 487-6629REVISED BY:APPROVED:DRAWN BY:DATE:DATE:ASSY.DATE:ARVINREV:REV:NO:PCBNO:C47K1K47K10K2.2K10KA3.A23+110K33K47k10K10K33K47kA10.B65+7A4.A23+1A4.B65+7150KA13.A23+122KR11133K1K3.3K3.3K47KA17.B65+784A17.A23+14.7KR1373

5、304.7K4704.7K1N914D1061N9146806801K1K680560R1108.155WR1112.155W22K10K100K1N914A20.B65+7842043A20.A23+1100K10K5.6K470K1N91447K150K1.8k100K1K10K22K3.3KA15.B65+7A15.A23+18410K10K39pFC405R409150R406150R405100R410100K.001FC40322FC40422FC4061033KR31933K47K27KR4150KCLEANCURLIMCURLIMC31822D17R402100KB50KP11

6、cwF1A22.D89+14A22.B67+1A22.C1011+13A22.A45+2+15VDCR9810KR11610KQ4Q5SPKR GND22 1W1%R136#689#690R197nuR1981KR1591MR1601M+D101N914D16.1FC62+R21 15KD108BD109BD504D501SMTA10.A23+1R174R17310K10K330pFC78C18622+R189150kR2093.3K+15VAMP+15VAMP5550Q302+15VAMP+15VAMPR21010R222100R223100R224100R225100THERMAL DIO

7、DED25D26R232150K smt 1/4wOUTPUT122uFC106+5550Q15R226270R227220KR228220KTHERMAL DIODEQ10625V FETR1644.722FC107+22FC108+R1624.7INPUTH5A.AH5A.BD.I.PRER288J12R21822K*R221470K*39pF*C109100KH5A.CH5A.DQ81F1F22K*R236R254R252R257R256R258C124C123+365K6.8K*10K*150K22K*1KR259R26015K*R264R2626.8KR2674.7K*Q19R266

8、365KR2651MB100KP1DRIVEcw0.22F/63vC111thruD18YEL+15VDCR26810KR274R2752.2K*10KQ16R2801MQ1810KR282R281R283150K6.8K25V FETR284365KR285R290470KAGND1FC113+1FC114+22FC116+1KR2911K22FC117+10KR292.022FC1186.8KR29315K*1FC120+R2941M25V FET0.22F/63vC122thruR2951KR2961M1FC125+39pFC127R298R299R297R287cwcwA26.B65+

9、710K10K4.7K4.7KA26.A23+1COMP SENSD22D23D24D3022uC131+R3040R305100KR306C132.1+100KCLIP1MUTE 1R313D31mute3.3KR31647KR32847KMUTE 1R33647KR339470.022F.047F39pFC136R342R343C134AC135AR341R340cwA13.B65+7100K100K10K10K550 Hzcontour1FR43C137R44100K2.2KA3.B65+7330pFC23330pFC138R34615KB50KP3cwB50KP7cwB50KP2cwB

10、50KP6cwB50KP10cwR122KC520R5011KMMBT5550 NPNQ500.1C522Z500Z501Z5029.1v9.1v5.1vB50KP12cw+R310KR5 10K15C50Kx2P26.B15C50Kx2P26.AC13.047250VACS3.AS3.BS7.AS7.BS5.AS5.B.1C1+.1C2+4.7K smt 1/4wR18R221K5550Q21R23680560P C182TIP31560Pc184.047C180BDW83CBDW84CQ108Q112R26470.01FC126MIDBASSTREBLE.022FC110.01FC22.0

11、22FC135.047FC134.033FC21SMT SCREEN HOLESChanges from Assembly Rev (A).speakerJ7SPKR GNDspeakerJ8SPKR GNDJ9SPKR GNDa gndH2A.AH2A.BH2A.CH2A.DinputAGNDE4D.I.PREH6A.AH6A.BH6A.HH6A.GH6A.EH6A.FH6A.CH6A.D24VJFETS+24FRONT55505401Q103Q102.1FC5+CLEANa gndH5B.AH5B.BH5B.CH5B.DinputH6B.AH6B.BH6B.HH6B.GH6B.EH6B.F

12、H6B.CH6B.DH2B.AH2B.BH2B.CH2B.DMUTE 2MUTE 2GRAPHICV+V-V+: +43VDCV-: -43VDC1.8K smt 1/4wR190-24VDC1.8K smt 1/4wR191Z11Z12Z13R1547030-4212080-4212026SEPT051.8K smt 1/4wR81.8K smt 1/4wR160.01F Film SMT500 Hz800 Hz250Hz.0033560pF2K Hz.0022.0022360K smt 1/4w4.7K smt 1/4w220K smt 1/4w4.7K smt 1/4w220K smt

13、1/4w3.9K smt 1/4w150K smt 1/4w3.9K smt 1/4w220K smt 1/4w4.7K smt 1/4w.033A9.AA9.BA8.AA11.AA8.BA11.B80Hz82pF.04710K smt 1/4w10K smt 1/4w.01R184P9R169R6R171C6C71R7C75C74R9R172C7C8R175R10C9C10R13R12C12C82C83R1410K10K10K10K10K.1P4P5P8P13.1!-+!-+!-+!-+!-+!-+C72.182pFC814.7K smt 1/4wR17line out /phonesH6A

14、.IH6A.JA16.B65+75550Q15401Q2R21KPHONESOUTCLIP1+15VDC-15VDC+24FRONTH3B.AH3B.HH3B.GH3B.DH3B.CH3B.BH3B.FH3B.EH3B.IH3B.JAMP1-AMP1-RETURNSENDRETURNSEND+15VAMP-15VAMP-15VAMP+15VAMPA16.A23+184OUTPUT1PHONESOUTH6B.JH6B.ISEND AMPRETURN AMPEM FSWGEQ FSWEM FSWGEQ FSW+15VAMP-15VAMP24VJFETSH3A.EH3A.BH3A.FH3A.DH3A

15、.GH3A.HH3A.AH3A.CCLIP AMPCLIP AMPGEQ F SW AMPMU F SW AMPSEND AMPRETURN AMPGEQ F SW AMPMU F SW AMPH3A.IH3A.J#91#212#278#268Screw Holes for Power Amp DevicesC52122+E8E7E6Q3TIP31GEORGE DREYERGEORGE DREYERR11330Proto corrections: -15V via grounded, R257 grounded, Locational errors D11 moved up; added R1

16、1.LINEQC4NEUTRALQC3L2L1C27+C30C31+C35C34TR1TR19V-V+C42+C44+D5D7R25OP2Z2Z4POWER SUPPLY22F22F+L5L6.0022120F35V9.1V3.3k1.5KL41234C14C15C700C708L31234C16FSCQ1565RTVsyncDrainPWMVccGNDVfb41532Q9FSCQ1565 vertZ316VC17+R27C24+.0022 630V22uF 50V22uF 50VLOW SEC(pin10)HI SECSHLDBIASN/UPRIDSPU222U 50VC322+C422 5

17、0v+R293.9KR203.9KR303.9K110KR28110KR24C11PRI COMPRI COMPRI COMPRI COMPRI COMPRI COMFBFBPRI COM470.047D1D8D21C40+R31Z10.0047F 250V ACC25+QC6_SWswitchQC7_SWswitchNOTE: B1 IS CUT, AND B2 INSTALLED FOR 240V. B2 IS CUT, AND B1 INSTALLED FOR 120V ONLY.N:48N:48PRI COMC26A+120FC26B+120FB120B240PRI HIPRI HIPRI COMN:48E1D2Q105AQ104AQC1GND22 1W1%R3222 1W1%R33CC14JULY06 BX120RadioFans.CN 收音机爱 好者资料库