Crest-FCV220-pwr-sch维修电路原理图.pdf

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1、FCV 220 & FCV 440 Series power amplifiersSchematic set1. Preamp driver2. Preamp driver OTA3. Power supply interconnects4. Power supply and fan driver5. Output stage6. NexSys preamp driver7. NexSys power supply8. NexSys output stageRadioFans.CN 收音机爱 好者资料库8877665544332211DDCCBBAANOTE 1:NOTE 2:NOTE 3:R

2、3,R4R21,R24,R25,R28R29,R30FCV440 = 13.75K/1%FCV220 = 15.1K/1%FCV440 = 27.18K/1%FCV220 = 19.6K/1%FCV440 = 680/10WFCV220 = 520/10WR7, R8 CHANGED FROM 4.7K TO 2.7K ON 4/8/9221B1241PREAMP/DRIVER FCV220/FCV440CREST AUDIO INC.150 Florence AvenueB11Thursday, May 18, 2000Hawthorne, NJ 07506TitleSizeDocument

3、 NumberRevDate:SheetofCH A OUTCH B OUTCH A MODULECH B MODULESUPPLY GNDSUPPLY GNDR17100C20330pFC19330pFR15100+-IC2BSTK3152151413121011+-IC2ASTK3152128734965C23150pFR9470+-IC1ANE553232184R10470+-IC1BNE5532567C130.47/250VR5100KR190.9K/1%R14100K/1W/2%R13100K/1W/2%R16100R2610K/1%R2710K/1%Z31N5359R6100KR2

4、4NOTE 2R21NOTE 2:R28NOTE 2R25NOTE 2R126.65K/1%R116.65K/1%BAR1INPUT BARRIER123456C70.1/100VC80.1/100VC120.47/250VC180.1/100VC170.1/100VR3NOTE 1R4NOTE 1J4CH B OCTAL12345678J3CH A OCTAL12345678J7CH B MODULE12345678J8CH A MODULE12345678RLY1T90N5D12-12RLY2T90N5D12-12R29NOTE 3R30NOTE 3J9RELAY12SW1MSSA2350

5、C330pFD11N4148C10.1/100VC20.1/100VC430pFC630pFC15100/100VC16100/100VZ11N5930R194.7/1WR204.7/1WD21N4148D31N4148D41N4148D51N4148D71N4148D81N4148R72.7K/2WC530pFR82.7K/2WD61N4148Z21N5930R2310K/1%R2210K/1%R290.9K/1%C1015pFC915pFC22330pFVR15KC21330pFVR25KC24150pFR18100RadioFans.CN 收音机爱 好者资料库88776655443322

6、11DDCCBBAANOTE 1:NOTE 2:ANALOG GNDANALOG GNDATTENUATE CH BATTENUATE CH A+15 VDATA CH ADATA CH B FCV440 = 13.75K/1% FCV220 = 15.1K/1% FCV440 = 27.18K/1% FCV220 = 19.6K/1%DIGITAL GNDDIGITAL GND+24V-24VCH B ATTNCH A ATTN21C138300OTA PREAMP/DRIVER FOR FCV SERIESCREST AUDIO INC.100 Eisenhower DriveC11Thu

7、rsday, May 18, 2000Paramus, NJ 07652TitleSizeDocument NumberRevDate:Sheetof+24V+24V+24V+24V+24V+24V-24V-24V-24V-24V-24V-24VCH A OUTCH B OUTCH A MODULECH B MODULESUPPLY GNDSUPPLY GNDR17100R371.5KR474.7KC20330pFR464.7KR3910KC19330pFR4010KR15100R4247KJ626-48-11161234567891011+-IC4BSTK3152151413121011R4

8、347KJP?26-48-1036123+-IC4ASTK3152128734965R456.8K+-IC1AOPA260432184J9HEADER 3123C23150pFR386.8K+-IC1BOPA2604567R9470R10470C131/63VR35750R36750R5220KR190.9K/1%R14100K/1W/2%R13100K/1W/2%C264.7/35VR16100C254.7/35VR2610K/1%R32100KR2710K/1%R33100KR6220KR24NOTE 2R21NOTE 2:R28NOTE 2R25NOTE 2R126.65K/1%C292

9、20pFR116.65K/1%C28220pFBAR1INPUT BARRIER123456C70.1/100VC80.1/100VC121/63VC180.1/100VC170.1/100VR3NOTE 1R4NOTE 1J4CH B OCTAL12345678J3CH A OCTAL12345678J7CH B MODULE12345678J8CH A MODULE12345678RLY1T90N5D12-24RLY2T90N5D12-24OC14N25OC24N25C1410/16V/BPC1110/16V/BPSW1MSSA2350C330pFD11N4148C10.1/100VC20

10、.1/100VC430pFC630pFC15100/100VC16100/100VC30CPR194.7/1WC31CPR204.7/1WD21N4148D31N4148J2CH BD41N4148J1CH AD51N4148VR15KD71N4148VR25KR7200/1WJP2D81N4148Z11N5353IC3NE5517AN12345678910111213141516JP1R8200/1WC530pFZ21N5353D61N4148R2310K/1%R2210K/1%R290.9K/1%C1015pF+-IC2AOPA260432184C915pF+-IC2BOPA2604567

11、R443.3KC22330pFR?27R411.5KC21330pFR?27C24150pFR18100R343.3K8877665544332211DDCCBBAAOUTPUT AOUTPUT BPREAMPPOWER SUPPLY26A181601CREST AUDIO100 EISENHOWER DRIVEPARAMUS, NJ 07652A00Thursday, May 18, 2000SizeDocument NumberRevDate:SheetofJ526-03-40711234567891011J626-03-41111234567891011J926-03-402012J42

12、6-03-4030123J2A1234567J31234567J21234567J2B12345678877665544332211DDCCBBAARELAY ARELAY BCH. ACH. BCH. ACH. BCH. ACH. BGROUNDGROUNDGROUNDTEMP SENSOR POWERTEMP SENSOR OUTPUTTEMP SENSOR OUTPUTTEMP SENSOR POWERA CLIP-A CH. PROTECT+B CLIP-B CH. PROTECT+A CLIP-B CLIP-SPKR LEVEL B (DC PROT)SPKR LEVEL A (DC

13、 PROT)FAN DRIVE V+GROUNDGROUNDR23,R24C2,C3SW1T11.8K/5W3.9K/5W15,000UF/50V4.00 AMP6.00 AMPCREST #22B1297CREST #22B1295REFFCV220FCV440(SEE CHART)10,000UF/75V21C123001FCV220/FCV440 POWER SUPPLY/FAN DRIVER PCB CREST AUDIO INC. 150 Florence Ave.C11Thursday, May 18, 2000Hawthorne, NJ 07506TitleSizeDocumen

14、t NumberRevDate:SheetofGNDGNDTO C2+TO C2-/C3+TO C2-/C3+TO C3-Q5MPSA13T1SEE CHART+-IC1BLM614657+-IC1ALM614231413R121KR111KC111000/25VR5499/1%R6499/1%J226-48-105512345J326-48-105512345R301K/1%D51N4148P1PLUG AC MALER3323.7K/1%R311K/1%R3223.7K/1%R42.2KR81K/1%R1010KR71K/1%R910KQ22N5551BR1BR354WR25100/2WQ

15、12N5551R362.2KIC1ELM6148139R352.2KR3747/1WZ21N960R391.5KZ11N960R3847/1WR401.5KZ31N5355AR421.5KD11N4148R411.5KQ42N5401Q32N5401J122-02-208512345678J426-48-102512D41N4148R212.2KD31N4148R222.2K+-IC1CLM614111210+-IC1DLM614151416D21N4148TR2MAC97D71N4004D81N4148IC2LM317123R24SEE CHARTC15470/25VR26442/1%C14

16、470/25VR342.2KTR1MAC97R23SEE CHARTJ526-48-102512R441KR1610KR431KR1510KC18100/25VSW1SEE CHARTC19100/25VR1822KR1722KR210KR110KZ51N5920Z41N5920F13A/MINIC10.15/400VBR2RS202C1710/50VR13330KR14330KR27100KR281KR291KD61N41488877665544332211DDCCBBAANOTE 1FCV220 = OMIT Q20,Q21FCV220 = OMIT R42,43,44,45TEMP SE

17、NSOR POWERTEMP SENSOR OUTPUTCLIP (-)SPEAKER RAILSPEAKER RAILSPEAKER RAILTEMP SENSOR GROUND+ DRIVE+ DRIVE- DRIVE- DRIVE+ 65 VNL - 65 VNL21B1294 (REF. PCB # 26B1100)FCV220/FCV440 OUTPUT STAGECREST AUDIO INC.150 Florence Ave.B11Thursday, May 18, 2000Hawthorne, NJ 07506TitleSizeDocument NumberRevDate:Sh

18、eetofOUTGROUND+65VNL-65VNLC61n/50VC810n/50VIC2LM35DP132R1NOT USEDZ11N4735AZ21N4749AR4610KR4720KR3470Z41N4735AZ31N4749AR4910KR4820KR2NOT USEDR4470D11N4004D21N4004C50.047/630VJ1INPUT12345678R7100/1WR122.2/1WR1451/2WR132.2/1WR192.2/1WR202.2/1WQ142N5401Q152N5401Q62SC3281Q82SC3281Q102SC3281Q112SA1302Q122

19、N5551Q132N5551R170.33/5WR180.33/5WR10150/1WR11150/1WQ22N5401D31N4148R810/1WR23100KR3515KR39100KQ172N5551R2415KR3115KR32100KD81N4004R26220D71N4004Q212SA1302D5FR204Q202SC3281R430.33/5WD6FR204R440.33/5WC30.1/100VC40.1/100VR452.2/1WL12uHR422.2/1WR282.2/2WJ2CLIP/TEMP12345R291KR210.33/5WR220.33/5WQ162N540

20、1Q192N5401Q182N5551R41100/1%R40100/1%R30100KR910/1WR6390Q92SA1302Q72SA1302Q42SC2336Q52SA1006R25100KVR1PTC15LB/250R1001/2WR3415KR38100KC20.1/100VR51.2KQ3TIP110R164.7/2WR154.7/2WR36274/1%R37274/1%C1100/6.3VQ12N5551D41N4148C910n/50VC71n/50VD91N4148D101N41488877665544332211DDCCBBAA+15VA GNDD GNDA OPTOB

21、OPTOA GND-24V+24VDATA ADATA BD GNDCH ACH B-RETD GNDB DATA-24V+15V+RET+IN-IN-RETA GNDA DATA+24V+15V+RET+IN-INA +INB +INB -INB GNDA -INA GNDR21,R24,R25,R28FCV440FCV22038.3K/0.1%53.6K/0.1%NOTE 1:REFERENCE DES30pF30pFC3,C4,C5,C6R82.2/1W2.2/1WC12,C130.47UF/250V0.47UF/250V21B170302PREAMP/DRIVER FOR NEXSYS

22、 COMPATIBLE FCVCREST AUDIO INC.100 EISENHOWER DR.B11Thursday, May 18, 2000PARAMUS, NJ 07652TitleSizeDocument NumberRevDate:SheetofCH A OUTCH B OUTCH A MODULECH B MODULESUPPLY GNDSUPPLY GNDR17100C20330pFC210/35V/TC19330pFC110/35V/TR15100C12NOTE 1+-IC2BSTK3152151413121011C13NOTE 1+-IC2ASTK315212873496

23、5C23150pFR9470C1110/16V/BP+-IC1AOPA260432184+-IC1BOPA2604567R10470C1410/16V/BPR5100KR190.9K/1%R14100K/1/2W/1%R13100K/1/2W/1%R16100R2619.6K/0.1%R2719.6K/0.1%R6100KR24NOTE 1R21NOTE 1J1126-48-10751234567R28NOTE 1R25NOTE 1R126.65K/1%R116.65K/1%BAR1IN BARRIER123456C70.1/100VC80.1/100VC180.1/100VC170.1/10

24、0VJ4CH B OCTAL12345678J3CH A OCTAL12345678J7CH B MODULE12345678J8CH A MODULE12345678RLY1T90N5D12-12RLY2T90N5D12-12J9RELAY12SW1MSSA2350C330pFD11N4148C430pFC630pFC15100/100VC16100/100VR194.7/1WR204.7/1WD91N40040C1VTL5C60C2VTL5C6D111N4004R8NOTE 1D21N4148D31N4148R31220D41N4148R32220D51N4148R34750D71N414

25、8R33750D81N4148D101N4004C530pFD121N4004D61N4148R2319.6K/0.1%R2219.6K/0.1%R290.9K/1%C1015pFC915pFVR15KC22330pFC21330pFVR25KC24150pFR181008877665544332211DDCCBBAATEMP SENSOR POWERTEMP SENSOR POWERTEMP SENSOR OUTPUTTEMP SENSOR OUTPUTSPKR LEVEL ASPKR LEVEL BCLIP AIGM ACLIP BIGM BTEMP SENSOR GNDANALOG GN

26、DTEMP SENSOR GNDANALOG GNDAUX GNDCH A TEMPCH B TEMPCH BINOUTADJCH A6.2V6.2VFAN V+RELAY CH ARELAY CH BRELAY GNDANALOG GNDANALOG GNDATTENUATE CH BATTENUATE CH A+15 VDATA CH ADATA CH BDIGITAL GNDDIGITAL GND+24 V-24 VCH A CLIP LED +CH A CLIP LED -CH B CLIP LED -CH B CLIP LED +CH A STATUS -CH A STATUS +C

27、H B STATUS -CH B STATUS +C2,C3SW1T115,000UF/50V4.00 AMP6.00 AMPCREST #22B1297CREST #22B1295REFFCV220FCV440(SEE CHART)10,000UF/75VCH ACH BD17, D18 ARE R43, R44 ON 7/29/93 SILKSCREEN21C166602FCVNXS.PWRCREST AUDIO100 EISENHOWER DRIVEPARAMUS, NJ 07652C00Thursday, May 18, 2000TitleSizeDocument NumberRevD

28、ate:SheetofGNDGNDTO C2+TO C2-/C3+TO C2-/C3+TO C3-R2518KD51N4001D81N4001R2618KC210/50VJ152011-081012345678R301KR35499R0J426-48-1036123R36499R0+-IC2ALM35832184R1247K+-IC4ALM35832184R1147K+-IC1ALM614231413R132K2+-IC1BLM614657R1522K+-IC1CLM614111210R182K2+-IC1DLM614151416R192K2IC1ELM6148139R4750R/10WR45

29、1K/1/2WR461K/1/2WR421K/1/2WR27330KR411K/1/2WR28330KZ111N5920Z121N5920Z21N5920R1622KR142K2Z11N5920C8470/25VR510Q1MPSA13R402K210R8442R0R50470R/10WR49470R/10WZ71N5348Z81N5348Z91N5348J326-48-1075CH B1234567Z101N5348J226-48-1075CH A1234567TR1MAC97AR48100RTR2MAC97AR11KR21KR319K60R419K60D11N4148R51K0R61K0D

30、41N4001R7100KD61N4148R172K2F13A/MINIR202K2D31N4148C10.15/400VC101000/25VQ2MJD127+-IC4BLM358657D181N4001P1PLUG AC MALER53100RD171N4001R5510KBR2RS202C9470/25VBR1BR352WT1SEE CHARTC7470/25VD151N4148Q3MJD127SW1SEE CHARTD161N4148R2120/1WD141N4148R592K2D91N4148R331K0Z51N5920R341K0R372K2R235.1K/2W+-IC2BLM35

31、8567D101N4148D111N4148IC3LM317T123C30.1/25VC410/25VC510/25VD71N4148J726-48-10451234C6470/25VR3110KR52100RR61390RR291KR3210KR54100RD21N4148R5610KR94K7R602K2R104K7R2220/1WJ526-48-102512R62390RJ626-48-11151234567891011R245.1K/2WZ61N59208877665544332211DDCCBBAATEMP SENSOR POWERTEMP SENSOR OUTPUTSPEAKER

32、RAILSPEAKER RAILSPEAKER RAILTEMP SENSOR GROUND+ DRIVE+ DRIVE- DRIVE- DRIVE+ 65 VNL - 65 VNLCURRENT LIMITERCLIP DETECTOREMITTER NPNOUTPUTEMITTER PNP+ HIGH RAIL- HIGH RAILCLIP IGM GND3/28/94 CHANGED 33.2K/1W TO 33.2K/0.5WR50,R51,R52,R53FCV220 = OMIT Q20, Q21,5-4-94 CHANGED C6,C7 FROM .001UF/50V TO R55

33、,R56 AT 1.2K.FCV220/FCV440 NEXSYS OUTPUT STAGECREST AUDIO INC.100 EISENHOWER DR.C11Thursday, May 18, 2000PARAMUS, NJTitleSizeDocument NumberRevDate:Sheetof-16V-16V+16V-16VOUTGROUND+65VNL-65VNLC810n/50VR1NOT USEDZ11N4742AR467.5KR4710KR3470Z41N4742AZ31N4749AR497.5KR4810KR2NOT USEDR4470R231KJ2CLIP/TEMP

34、1234567+-IC1CLM339N8914+-IC1DLM339N101113+-IC1BLM339N671Q22N5401R422.4K/2WR431.5K/5WIC2LM35DP132D11N4004Q3TIP 110Z51N5930D21N4004C50.047/630VZ61N5930J1INPUT12345678+-IC1ALM339N312452R7100/1WR2410KR122.2/1WR2510KR1451/2WD121N4148R132.2/1WR45750K/1%R192.2/1WR363.83KR202.2/1WR44750K/1%R293.74KR283.74KD

35、111N4148Q62SC3281R373.83KQ82SC3281R3233.2K/0.5WQ102SC3281R4033.2K/0.5WQ112SA1302R4133.2K/0.5WR3333.2K/0.5WR3833.2K/0.5WR170.33/5WR3033.2K/0.5WR180.33/5WR3933.2K/0.5WR3133.2K/0.5WR10150/1WR263.32KR11150/1WR273.32KR342.87KD31N4148R810/1WR352.87KQ12N5551Q212SA1302D5FR204Q202SC3281D6FR204R520.33/5WC30.1/100VR530.33/5WC40.1/100VR502.2/1WL12uHR512.2/1WR542.2/2WR210.33/5WR220.33/5WR910/1WR6390Q92SA1302Q72SA1302Q42SC2336Q52SA1006Z21N4749AVR1PTC15LB/250R1001/2WR551.2KR561.2KC20.1/100VR51.2KR164.7/2WR154.7/2WC1100/6.3VD41N4148C910n/50VD91N4148D101N4148