Crest-PFA600-pwr-sch维修电路原理图.pdf

《Crest-PFA600-pwr-sch维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Crest-PFA600-pwr-sch维修电路原理图.pdf（9页珍藏版）》请在收音机爱好者资料库上搜索。

1、PFA600 Power amplifiersSchematic set1. Display board2. Input board3. Preamp4. Power supply driver5. Power supply board6. Relay board7. Voltage monitor8. Output moduleRadioFans.CN 收音机爱 好者资料库8877665544332211DDCCBBAARELAY GROUNDRELAY GROUNDGROUNDMUTE CH. ALIMIT CH. ACONTROL V. CH. ACLIP CH. ASIGNAL CH.

2、 A GROUND GROUND GROUND A/B MUTEAMP OUT CH. ARELAY CH. AACTIVE CH. BTEMP/DC CH. BCLIP CH. BSIGNAL CH. BCLIP CH. ASIGNAL CH. ATEMP/DC CH. AACTIVE CH. AGROUNDGROUND+24V. OUTRELAY CH. B SIGNAL CH. B CLIP CH. BCONTROL V. CH. B LIMIT CH. B MUTE CH. B AMP OUT CH. BTEMP SENSOR + CH. ATEMP SENSOR OUT CH. AT

3、EMP SENSOR GND. CH.ATEMP SENSOR GND CH. BTEMP SENSOR OUT CH. B TEMP SENSOR + CH. B+24V. IN CH. B+24V. IN CH. ALED GROUNDFAN GROUNDFAN +21C1169PFA600 DISPLAY/PROTECT DRIVERCREST AUDIO INC.150 Florence Ave.C10Tuesday, June 27, 2000Hawthorne, NJ 07506TitleSizeDocument NumberRevDate:SheetofD201N4004D211

4、N4004C6100/25VQ22N5551Q6MPSA75Q12N5551TR2MAC97ATR1MAC97AR7100KQ42N5551Q32N5551R211KR1310KR1410KR8100KR410KD121N4148R310KD31N4148D51N4148D71N4148D91N4148D21N4148D41N4148D61N4148D81N4148D111N4148D101N4148D131N4148D151N4148R221KR2547KR2647KR372.2KD171N4148D161N4148D141N4148Q5MPSA75R3010KD181N4148D191N4

5、148C50.1/100VR274.3KR284.3KR2910KR38100KR39100KC11/50VC21/50VC4470/6.3VC3470/6.3VR52.7KR92.7KR102.7KR35499/1%R36499/1%R231K/1%R241K/1%R182.7KR207.5KR197.5KJ226-48-1156123456789101112131415R152.7KR172.7KR62.7KJ126-48-1156123456789101112131415R31390KR334.7KR344.7KR162.7KR115K/5WR125K/5WZ11N5927Z21N592

6、7R32390KC8100/25VC7100/25V+-IC1BLM614657+-IC1ALM614231413IC1ELM6148139J326-48-113612345678910111213R4415R4315Z31N5344Z41N5344Z51N5344D231N4004D221N4004R4291/10W+-IC1CLM614111210+-IC1DLM614151416RadioFans.CN 收音机爱 好者资料库8877665544332211DDCCBBAA21A1171PFA600 INPUT PCB CREST AUDIO INC. 150 Florence Ave.A

7、11Tuesday, June 27, 2000Hawthorne, NJ 07506TitleSizeDocument NumberRevDate:Sheetof .25 LUGJ1PL0812345678J2PL0812345678J326-48-11751234567891011121314151617BAR172706-C-50-81123456VR1PTC15XD 5KAPVR2PTC15XD 5KAPR1680/10WR2680/10W8877665544332211DDCCBBAABALANCED INPUT/GAINSERVO/HIGH PASSCURRENT LIMITER

8、SIGNAL DETECTORCLIP DETECTORAMPLIFIER FRONT END/IC POWER SUPPLYTURN ON DELAYATTENUATION/MUTEATTENUATOR DRIVERNOTE 1: 6.8K 2W 5%NOTE 2: 20K 2W 5%NOTE 3:680 10W 5%21C1124-PFAPFA600 PREAMP/FRONT ENDCREST AUDIO INC.150 Florence Ave.Hawthorne, NJ 07506C10Tuesday, June 27, 2000 TitleSizeDocument NumberRev

9、Date:SheetofVCC+VCC+VCC+VCC+VCC+VCC+VCC+VCC+VCCVCC-VCC-VCC-VCC-VCC-VCC-VCC-VCC-VCC-R70NOTE 1R76NOTE 2R77NOTE 2R69NOTE 1R3747KR730R112.2K+-IC2BRC4559567R82NOTE 4D21N4148D131N4148R3047KC1310/35VR292.2K+-IC3ALM339N312452R5010KR422KC5470pFVR1NOTE 4D211N4148R8110KR83NOTE 4R541MR53100KR552.2KQ52N5401+-IC3

10、BLM339N671+-IC3DLM339N101113+-IC3CLM339N8914IC4NE5517AN12345678910111213141516+-IC1BNE5532AN567+-IC1ANE5532AN32184D121N4148R314.7KR34499/1%R351.0K/1%R363.3KR321.0K/1%C1100/35VR3322KZ11N5353Z31N5938Z21N5353Z41N5938Q3MPSA75R910KR10100KD31N4148R8100KC247/35VR710KQ12N5401Q22N5551D11N4148D41N4148D61N4148

11、D51N4148D71N4148D81N4148D91N4148R13220KSIP1C10K/0.2%SIP1A10K/0.2%R182.2KR1910KR2310KC100.001/50VR20549/1%D101N4148R2210KR261KR272.2KD111N4148R21100KC210.1uFC14470uFC16470uFC15470uFC17470uFQ42N5551C180.47/250VD141N4148D151N4148C70.1/50VQ152N5401Q82N5551Q62N5551Q102N5551Q142N5551Q92N5401Q112N5401D18SF

12、14R782.7KR7911K/1%/1WR80549/1%R57100Q122N5551Q132N5401Q72N5401D161N4148D19SF14C2230pFR25680KR48100K/0.1%R47100K/0.1%R431K/0.1%R421K/0.1%R411K/0.1%R45100K/0.1%R24680KR441K/0.1%R58100D171N4148R2810KR492.2KR16150KR71100R7547C430pFR511MR65NOTE 3R66NOTE 3R310KR115KR2330KR610KR54.7KR3810KR7447R72100R1510K

13、/1%+-IC2ARC455932184SIP1D48.7K/1%R52100KC200.1uFR174.7KC92.2/5%/100VR562.2KR648.25K/1%R59511/1%R60511/1%R6168.1/1%R6768.1/1%R6268.1/1%R638.25K/1%SIP1B48.7K/1%R1212KC630pFC82.2/5%/100VR46100K/0.1%R6868.1/1%J2-M26-48-113512345678910111213J3-M26-48-1155123456789101112131415C190.47/250VR40SELECTEDR39SEL

14、ECTEDJ1-F09-52-31731234567891011121314151617C111/50VC121/50VC30.1/50V8877665544332211DDCCBBAAGROUNDGROUNDGROUND+24V IN+24V INLOOPLOOPGROUNDGROUNDGROUNDGROUNDENABLEENABLEGATE Q9GATE Q8CURR.LIMITCURR.LIMITREV NOTES: 10/6/94 CHANGED Z1 FROM 1N829 TO 1N4691, R17 FROM 100K TO 10K21A1173PFA600 POWER SUPPL

15、Y DRIVER CREST AUDIO INC. 150 FLORENCE AVE. HAWTHORNE, NJ 07506A11Tuesday, June 27, 2000TitleSizeDocument NumberRevDate:SheetofC1110/50VD3SF14D4SF14L11mHJ109-48-213112345678910111213IC1UC382589101251531161474131162R810/1WR74.7/1WQ22SC3346Q32SA1329R910/1WQ42SC3346D21N5819D11N5819Q12N5551R161KC34.7nF

16、2%R1710KC40.01/50VC50.018/50VQ7TIP112Q52SA1329R36.2KR4620R510KQ62SC3281R11KR151K 1%R14301 1%C101/63VR102.2/1WR1310KC60.1/50VC10.1/50VR61.21K/1%C80.1/50VD5SF14D6SF14R2510Z21N5930C71/63VR122KZ11N4691R112.2/1WC121/63VJ226-48-10451234C21/50VC1310/50VC9560PF8877665544332211DDCCBBAA13572486910111246123578

17、911121314151617+28VDC+28VDC-45VDC+45VDCDIRECTCONNECTION# 26A117310ON HEAT SINKON HEAT SINKGATE Q8GATE Q9CURR.LIMITCURR.LIMITGROUNDGROUNDGROUND+24V OUT+24V OUTLOOPLOOPGROUNDGROUNDGROUNDGROUNDGROUNDGROUNDT1311350T50T2T2T2T2T5T5T5T5TON HEAT SINKTO J2,PINS 1&2,DRIVER PCBTO J1 OFDRIVER PCB,22 GA.22 GA.RE

18、V NOTES: 10/6/94 ADDED Z3, CHANGED R6, R7 TO 1.5K21B1183PFA600 POWER SUPPLY MAIN BOARD CREST AUDIO INC 150 FLORENCE AVE.B11Tuesday, June 27, 2000HAWTHORNE, NJ 07506TitleSizeDocument NumberRevDate:SheetofQ9-4Q8-4Q8-5Q9-5Q9-4Q8-4T2-1T2-4T2-2,3+ FROM CIRCUIT BREAKERGND FROM BATTERYRED1RED2RED/BLK1RED/B

19、LK2BLK1BLK2GRN/BLK1GRN/BLK2GRN1GRN2Q9-5Q8-5BLK3BLK4T2-4T2-1T2-2,3R61.5KR71.5KL1-C100uHZ35KP36AF1FUSED21N4004D31N4004INOUTGNDIC1LM7805C1425uF/35VF2100CJ326-03-402012BR150AL21mHJ126-48-113512345678910111213L1-F25uHD6AFEP6DT12D6BFEP6DT32J226-48-108512345678Z21N4749T2CUR XFMRZ11N5333AD1HER155L1-D100uHL1

20、-E100uHT1PWR XFMRL1-B100uHL1-A100uHQ9IRFK4H100Q8IRFK4H100C31n/1600VC41n/1600VC515000/70VC615000/70VC715000/70VC815000/70VC92.2/100VC102.2/100VC112.2/100VD5MBR1645D4MBR1645C122.2/100VR133/5WC110n/1000VC210n/1000VR250/25WR350/25WD9AFEP16JT12D9B32R4100/25WR5100/25WD7AFEP6DT12D7BFEP6DT32C131/63VC1520MF/

21、100VD11B32D11AFEP16JT12D8AFEN16JT12D8B32D10B32D10AFEN16JT128877665544332211DDCCBBAAAMP OUT CH. AAMP OUT CH. AAMP OUT CH. AAMP OUT CH. BAMP OUT CH. BAMP OUT CH. BACTIVE CH. ATEMP/DC CH. ACLIP CH. ASIGNAL CH. ACLIP CH. BSIGNAL CH. BTEMP/DC CH. BACTIVE CH. B GROUND GROUND GROUND GROUND GROUND GROUNDLED

22、 GROUNDRELAY CH. ARELAY CH. BRELAY GROUNDRELAY GROUND26A1170PFA600 RELAY/LED PCB CREST AUDIO INC. 150 Florence Ave.A00Tuesday, June 27, 2000Hawthorne, NJ 07506TitleSizeDocument NumberRevDate:SheetofFROM CH. A OUTFROM CH. B OUTPWR SUPPLY GNDPWR SUPPLY GNDPWR SUPPLY GNDR31/10WC10.047/630VR110/10WR41/1

23、0WL12uHC20.047/630VR210/10WL22uHRL1FRL-24RL2FRL-24LED1ACTIVELED3SIGNALLED4CLIPLED2PROTECTLED5CLIPLED6SIGNALLED8ACTIVELED7PROTECTJ326-48-113512345678910111213BAR 172512-50-55-C1234567891011128877665544332211DDCCBBAA30V30V+24V INGROUNDREMOTEREMOTE+24V OUTCH. A ENABLECH. A ENABLECH. B ENABLECH. B ENABL

24、EGROUNDR8,R11 AND Q2 ARE NOT USEDNOTE:R3 CHANGED FROM 10K TO 1K/1W ON 4/7/92R4 CHANGED FROM 1K/1W TO 680/1W ON 4/7/9226A1172PFA600 VOLTAGE MONITOR/CONTROLLER CREST AUDIO INC. 150 Florence Ave.A00Tuesday, June 27, 2000Hawthorne, NJ 07506TitleSizeDocument NumberRevDate:SheetofR1110KJ126-48-1125123456789101112D11N4004RL1FRL-24R110K/1%Z11N5927Z31N5917Z21N5913F13A/MINIR23.32K/1%+-IC1BAD712567+-IC1AAD71232184Q12SC2336D21N4148R52.2KR62.2KD31N4004D51N4004R72.2KD61N4004D71N4004Q2MPSA13R810KLED1O.V.LED2NORMALLED3U.V.C110/25VR4680/1WR31K/1WD41N4004C210/25VR910KR1010K