Carvin-CX1272-mix-sch维修电路原理图.pdf

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1、ODD CHANNELS ONLY47K1.5K22K1.5K2.2K2.2K4.7K47KPHANTOM BUSSPHANTOM BUSSMONITOR OUTL TAPE SENDR TAPE SEND20dB ATTN.EFF2 SENDEFF2/TAPEEFF2/TAPEEFF2/TAPEDSP SENDL/R MAINL RETURNR RETURNMONITOR+15VDC-15VDC+15VDC+15VDC1N4003+15VDC.047FP10.AP10.BA13.AL OUTR OUT250Hz125Hz.00475.62K2.21K2.21K.001.022LEVELA16

2、.AA14.A250Hz125Hz.00475.62KPOWER680pF82pF82pFRIGHTRIGHT4.7K4.7K4.7K4.7KJ3.BJ3.DA3.AA3.BA4.AA4.BA5.AA5.BA6.BA6.AA7.AP8.AP8.BP9.AP9.BJ3.AJ3.CA9.AA9.BB50KB50KB50K56pFB50K56pFB50K150K470B50K150K470B50K82pF47082pFN/UN/U47060Hz2.4K2.2K.022150K300K2.2K220KA1.AA2.AA1.B82PF82PF300KS1.A27PF27PF300KS1.BB50KB50

3、KB50K3.3KB50K39PF.047.047LINER106R105C106C10560Hz2.4K.022150K2.2K220K150K150KLEFTB50K100K100K150KLEFT150K150KB50KB50KH2.CH2.FH2.AH2.B22K4.7K22K4.7K10K10KC31C32C33C35C34C47C38C41C44C46C48C49R24R34R45R31R36R37R38R39R55R56R54R58P12MONEFFR46R50R48R47R52C39C42R51P20P21R71R70R73C71C70R72C73C72P25R83R82C83

4、C8222K22K10K10KC45B10KB10KB10K.47.22.01R10R11R12R13R15R16R17R18R20R19R21R22C10C11C12C14C15R14MIDLOW22K47KMICC13P30P31R94R93C94C93C96C95P35B10KB10K.47.22.01R53R57C16R35R32150KTOPR63R62R25JMPP13R40R27R28EFFMONC53C54470470R29R49C17.1.1J8J910101010101010R1R3R4R7R6R8R9C3C4C1C2C6C7C8C9P1P2P3P4J11%10101%1%

5、10HI10cwcwcwJ2R5C51010R21%10J4J51KD11KD2D41KS4P5P600+23+165+723+165+723+165+765+723+123+1L+23+123+165+23+123+165+7+21323+123+1RRL+BBB1N4003R23R44R59470DSP CLIP2.2KD1110KD12+15VDCQ42N5550REDC3010C371022KR6422KR2622KR60H2.DH2.E22KR3322KR65680pFC36R30680pFC29B6 B7A7.B65+7H2.GH2.HS2.B10K15K0.001C20R41R4

6、2cwcwPAN10KR43A8.A23+1R6622KR6722KR6810KA8.B65+7R6910KR8010KS2.AJ7INSERTJ6INSERT-15VDCON A1680pFC2122K1N4003D6D7.001C2210KR81A20.A23+147KR10410KR116C2310YELREDP7BACHANNEL 1-12 FOR CX1272CHANNEL 1-8 FOR CX872R11710KC240.1+D8D9470 /25VC25+BBB330PFC26330PFC27B10K10KR611.5KR1291.5KR49R12101.5KR150C2810R

7、adioFans.CN 收音机爱 好者资料库12340 WORLD TRADE DR.SAN DIEGO, CA 92128RIGHT CHANNEL OUTLEFT CHANNEL OUT(619) 487-1600FAX 487-6629REVISED BY:APPROVED:DRAWN BY:470 /25V470 /25VUNREG +PROTECTL OUTR OUTGROUNDGNDDIG+15VDC-15VDC-15VDC+15VDCGNDDIGA10.AA11.AA12.AA13.BA19.AA10.BA11.BA12.B500Hz.0022250PF.0068.0033.00

8、47330PFA15.AA16.BA17.BA19.BA18.AA14.BA15.BA17.AA18.B250Hz500Hz.0022250PF.0068.0033.0047330PFDATE:DATE:ASSY.DATE:ARVIN.001.001A9.BR115330PFC114R114150K470470150K2.2K2.2K1.8K2.2K300K360K.033.001110K180K.0682.4K.022.001130K2.2KR100C100R102R101C102C101R108R107C108C107R110R109C110C109R112R111C112C111C113

9、R113330PF2.2K2.2K1.8K2.2K300K360K.033.001110K180K.0682.4K.022.001130K2.2K110K110KH1.AH1.JH1.BH1.FH3.CH1.GH1.EH1.DH1.CR103REV:REV:P22P23P24R73R72R75R74C75C74R77R76C77C76R79R78C79C78P26P27P28R85R84C85C84R87R86C87C86R89R88C89C88C90R90R92J10J11B10KB10KB10K16K10KC91R91B10KB10KB10K91KEFFMONP32P33P34R96R95

10、R98R97C98C97R99C99P36P37P38B10KB10KB10K16K10KB10KB10KB10K91KTOPTOPC18C19D10NO:PCBNO:2K2K1K4K10102K8K1K4K2K8K1K123+123+123+165+723+1+765+765+765+7123+165+765+765+723+165+765+723+165+7+CH3.DGROUNDH3.BN/UH3.AH1.HH1.I1DEC94LEFT CLIPD3RIGHT CLIPD530-12724REDREDRED000010001100010COMMENC1H5.AH5.BH5.CH5.DH5

11、.EH5.FH5.GH5.HH5.IH5.J30-08724CX1272 & CX872SYSTEM MASTER & CHANNELS FOR CX1272 PCB# 30-12724 FOR CX872 PCB# 30-0872480-12724C. McEUENC. McEUENBBREVISIONS FROM Rev (C)DE80-0872410R11810R119VALUE CHANGES: R12, R13, R14,C9, C10, C24R61, R118, R119, R121, R129, R149, R150PARTS ADDED: D8, D9, C22, C25,C

12、26, C27, C28, R15, R17, R19, R62,EE13MAR98REVISIONS FROM Rev (D)MODIFIED FOR DSP 80-56004VALUE CHANGES: R31, R34, R41,R42, R129, R149,R150, C202. ALL CAPACITORS IN MICORFARADS, EXCEPT AS NOTED.NOTES: UNLESS OTHERWISE SPECIFIED.1. ALL RESISTORS IN OHMS3. ALL DIODES ARE TYPE 1N4003, EXCEPT AS NOTED.4. FOR RACK MOUNT UNITS; CUT RESISTORS: R29, R49, R121.RadioFans.CN 收音机爱 好者资料库