QSC-PL1_8-pwr-sch 维修电路原理图.pdf
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1、RadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库E110K-2WR5583K-2WR510R51822-1WR51722-1WR50922K-1WU502IC-000009-00T7T6T5T4T1T3T2SOURCE REFGATESHUTDOWNLOSS-OF-SATGATE DRIVERCOMPARATORSCHMIDTT!SLEWSHUTDOWNLOW RAILREF VOLTGATE POWERU501IC-000008-00T8T7T9T5T6T4T2T1T3!GATESOURCE REFHIGH RAILNEG SUPPSHUTDOWN
2、LOSS-OF-SATGATE DRIVERSCHMIDTT COMPARATORBOOTSTRAP CAPSLEWSHUTDOWNLOW RAILREF VOLTR548450-5W+15VIC CH1.1C537.1C536AD5541N4004D5351N4004D5301N4004J502:1A713A3.5K-5WR539.001C503-15VIC CH1D509IN4744A-15VR50312KPA2.2KR553R5622.2KR551390KR555390K-15VA100-35VC534100KR552MPSW51Q5211N4004D6351N4004D636MPSW0
3、1Q514+15VIC CH1+15VIC CH2-15VIC CH1-15VIC CH2AQ517MJE15030C53047-50V+15V-15VJ53:22J53:11D5327.5V10KR550390KR566MPS8599Q51268KR554Q5162N441022KRN505:243RN505:422K78MPS8599Q519RN505:122K1222KRN505:3654.7KRN506:487GREENLD704RN506:14.7K121KR564RN506:24.7K34R530270R5311.62KD5331N4746MPS8599Q52010KR563Q51
4、52N44104.7KRN506:365D502MUR810R5082.7-2WC505.1-250VR50522-1WQ504DSG47-50VC504418911121014C5324.7NP-16VPPPC564XC563XC501.1-250VR5042.7-2WJ502:4R51150 OHM100VR501CW12KR507C506.001IN4744A-15VD5101N4934D519J502:2IN4744A-15VD521.0022-5%C523R54756.2-1%-1/8wRN503:32.2K561N4934D506.01C5081N4934D505C527220pF
5、A2.2KRN503:2432.2KRN503:12110pFC52847R544R54275K.10-5%C518332R54147NP-10VC520AR5404.7K21.0K-.5WR53847pFC52110KRN502:4871KR522D5144.7V.022C5241N4934D520C526330-25VRN503:42.2K7810KRN502:365+15VIC CH12KVR502CW1N4934D5072KVR503CW1N4934D508D5131N54021N5402D5122SA1306BQ5012SC3298BQ502Q510Q509Q508Q507Q506Q
6、505.10-5%C514L501 2uHR5255.6-2WR52710-2WR52310-2WR52610-2WR52410-2W.10-5%C513C507470-16VMUR810D501R50622-1WQ503DSGR5463.5K-5WJ50412J50512RN502:210K34RN502:110K12C52247pFR5451K5532U503:B7+584-6U503:A5532+3-21C51918pFR568953AR5607.5K-2W-15VIC CH123+15V-15VR52815-1/2WR52915-1/2WJ502:6R519R520.22-3WR521
7、TP16TP15TP14J502:8R513R514R515.22-3WTP19TP18TP17+VRN504:11K12RN504:31K56RN504:41K78APTC-60CR556R549330KA2N4410Q511Q513MPS8599R5674.7KR55947KR56947K.1C5665AC529220NP-10VA.01C531AAR5573.9K2N4410Q5181A-200VBR501+1AC24AC13-2330-25VC525PIN4744A-15VD5221N4004D5241N4148D5251N4004D5261N4148D531AR5013.3-1WR5
8、023.3-1W4.7-16VC535536R5611N4148D5551N4148D5561KR512D5114.7VSWSG1HS GND CH11SW. GND2SG2PWR GND CH1AP3.3-1WR5431N4148D557SH-000152-00SH-000152-00MAIN PCB, POWERLIGHT 1.8(EFF. 6-30-95) ACSGM1-25-95REVISED PER ECO 2601 ACB-40 -80V SWITCHED BUS+40 +80V SWITCHED BUS2/1/95G. IRWIN1. THIS DRAWING USED IN C
9、ONJUNCTION WITH PCB ASSEMBLY WP-000157-XX.12. TO-220 DIODES D703, D704, D713 AND D714 ARE SELECTEDFOR PEAK REVERSE VOLTAGE GREATER THAN 250V.D748-I LIM+I LIM(TO SHEET 3)(TO SHEET 3)(TO SHEET 2)(TO SHEET 3)TO SHEET 3TO SHEET 3C637C537COMMON125W, 60V MINIMUM, ON-RESISTANCE 0.030 OHMS MAX.!RISING AT 55
10、C. QSC P/N RE-000006-VP.RESISTORS MOUNTED TO HEAT SINK. RESISTANCE 100 OHM COLD,TYPES, 10% ON OTHER TYPES.2. CH2 IS IDENTICAL TO CH1, EXCEPT PART NUMBER SEQUENCE R601, 602 ETC.3. ALL RESISTORS ARE 1/4-WATT, 5%.4. ALL CAPACITORS 100V. TOLERANCE 20% FOR ELECTROLYTIC5. R556, 656 AND 739 ARE POSITIVE TE
11、MPERATURE COEFFICIENT6. Q503, 504, 603, 604 ARE SWITCHING FETS, QSC P/N QD-000031-QD,7. ZENER D532, MARKED 7.5V, LOW LEAKAGE, QSC P/N QD-0007.5-ZT.8. BRIDGE RECTIFIERS BR501, 601 AND 702 ARE 1A, 200V.9. PARTS MARKED WITH TRIANGLE MUST BE REPLACED WITH EXACT TYPE ONLY.1.FILENAMEA. CERRILLO8/27/931 OF
12、 3SCHEMATIC DIAGRAM,NOTES: UNLESS OTHERWISE SPECIFIEDSIG. GNDSIG. GND(TO SHEET 3)-FAN+FAN!+48V RAILHEATSINKGROUND25 CBIAS NETWORK200VGAIN GROUNDBIASHEATSINKGROUNDHEATSINKGROUND!3 PL2SA1302AUDIO OUTPUT STAGE!SPEAKERSPEAKER COMMON CH1OUTPUT CH1-18V3 PL3 PL!PROTECTJ5033 PL2SC3281!REFERENCE DESIGNATIONH
13、IGHEST NO. USED-U711TP19-TESTPOINT-T704-TRANSFORMERVR603VR503POTENTIOMETERU603U503IC-RN704RN604RN506-R751R668R569-Q706Q615Q521-LD704-L710J708J53-BR702PSBR601BR501CH2CH1DESCRIPTIONJ503J603BRIDGE RECTIFIERCAPACITORDIODEL501L601RES NETWORKRESISTORTRANSISTORLEDINDUCTORCONNECTORPLOT DATE:.DATEPCB IN TANG
14、OPRO1010TRANSFORMERHAVE VOLTAGES GREATER THAN 42V.11. PARTS ENCLOSED WITHIN DOTTED OUTLINE10. CAPACITORS C563X, 564X, 663X AND 664X ARE SPARES.(SHEET 1 ZONE C2)(SHEET 1 ZONE A5)D557D657C785HS GND CH1E2W1HEATSINKASCHEMATIC, MAIN PCB, POWERLIGHT 1.4PROD RELEASE PER ECO 2548(EFF. 1-27-95) ACFOR FAB SEE
15、 PC-000152-00 REV AWP-000157-00WP-000157-01PWRL 1.4 (120/230V)PWRL 1.4 (100V)CREVISED PER ECO 2755 AC(EFF. 3-1-95) ACSGM3-1-95DOC NO. SH-000157-00 REV CC1(EFF. 9-27-96) AAOBSOLETE PER ECO 3244SA7-21-95C1C1+96V RAILDCBADCBA8765432187654321QSC AUDIO PRODUCTS.WITHOUT EXPRESS WRITTEN CONSENT FROMBE DISC
16、LOSED, REPRODUCED OR USEDOF QSC AUDIO PRODUCTS, THAT MAY NOTINFORMATION WHICH IS THE PROPERTYTHIS DOCUMENT CONTAINS PROPRIETARYSIZEFSCM NO.DWG NO.SCALECAD FILE NO.SHEETREVDDWG NO.SHREVAUDIO PRODUCTS, INC.COSTA MESA, CALIFORNIADATECAD SEED FILE NO.ISSUEDCHECKEDCONTRACT NO.DRAWNAPPROVALSMATERIALFINISH
17、UNLESS OTHERWISE SPECIFIEDDIMENSIONS ARE IN INCHES.DIMENSIONS PER ANSI Y14.5-1982TOLERANCES ARE:DECIMALSDEBURR EDGES .XXX R MAX.XX+-ANGLESODECIMALS+-.XXXDO NOT SCALE DRAWINGPARTS LISTNEXT ASSYUSED ONAPPLICATIONITEM NO.QTYPART NO.DESCRIPTIONVENDORDESCRIPTIONREVZONEDATEAPPROVEDREVISIONSR648450-5WD6571
18、N4148E3SG3PWR GND CH2PAR6433.3-1WR66153622-1WR61822-1WR61722K-1WR6093.3-1WR6023.3-1WR601D6261N4004D6251N4148P12KR603556.2-1%-1/8WR647-15VIC CH2+15VIC CH25532U603:B7-6+58481KR645RN602:110K12C62247pFRN602:210K34A7.5K-2WR6601R668953C61918pFC629220NP-10VBR6011A-200V-2AC13AC24+1J60521J60421C664XC663XAAR6
19、573.9K2N4410Q615R6463.5K-5W-15VIC CH2+15VIC CH22.7-2WR604.1-250VC601Q603GSD22-1WR606D601MUR810470-16VC607D602MUR810R6082.7-2WC605.1-250VR60522-1WQ604DSG47-50VC604C613.10-5%10-2WR62410-2WR62610-2WR62310-2WR6275.6-2WR6252uHL601C614.10-5%Q605Q606Q607Q608Q609Q610Q6022SC3298BQ6012SA1306BD6121N54021N5402D
20、613+48VD6081N4934D6071N4934VR6022KCWVR6032KCWJ602:1IN4744A-15VD622C625330-25V10KRN602:365J602:4IN4744A-15VD609C603.001R6121KR61150 OHM100VR601CW12KR607C606.001IN4744A-15VD6101N4934D619J602:2IN4744A-15VD621.0022-5%C623RN603:32.2K561N4934D606.01C6081N4934D605C627220pFA2.2KRN603:2432.2KRN603:12110pFC62
21、847R644R64275K.10-5%C618332R64147NP-10VC620AR6404.7K21.0K-.5WR63847pFC62110KRN602:4871KR622D6144.7V.022C6241N4934D620C626330-25VR6393.5K-5WRN603:42.2K78APPPP4.7NP-16VC6325532U603:A1-2+3.01C631A+15V-15V23141012119713J602:6R619R620R621.22-3WTP8TP9TP10J602:8R613R614.22-3WR615TP13TP12TP11+VA330KR649R656
22、PTC-60CA1KRN604:4871KRN604:3651KRN604:1211N4004D630AAC637.1C636.1IC-000008-00U601T3T1T2T4T6T5T9T7T8REF VOLTLOW RAILSHUTDOWNSLEWBOOTSTRAP CAPSCHMIDTT COMPARATORGATE DRIVERLOSS-OF-SATSHUTDOWNNEG SUPPHIGH RAILSOURCE REFGATE!IC-000009-00U602T2T3T1T4T5T6T7GATE POWERREF VOLTLOW RAILSHUTDOWNSLEW!SCHMIDTTCO
23、MPARATORGATE DRIVERLOSS-OF-SATSHUTDOWNGATESOURCE REFR6103K-2WR65810K-2W4.7VD611C1C1-40 -80V SWITCHED BUS+40 +80V SWITCHED BUSHEATSINKW2E4-I LIM+I LIMHS GND CH2(TO SHEET 3)TO SHEET 3TO SHEET 3TRANSFORMER10.DATEPLOT DATE:J603SPEAKER COMMON CH2SPEAKERGROUNDHEATSINK+48V RAIL!AUDIO OUTPUT STAGE!2SC32813
24、PL2SA13023 PL!GROUNDHEATSINKGROUNDHEATSINK25 CBIAS NETWORK200VGAIN GROUNDSIG. GNDBIAS2 OF 3.FILENAME2OUTPUT CH2SIG. GND3 PL3 PL!N/C(TO SHEET 3)10+96V RAILSH-000152-00SH-000152-00DCBADCBA8765432187654321QSC AUDIO PRODUCTS.WITHOUT EXPRESS WRITTEN CONSENT FROMBE DISCLOSED, REPRODUCED OR USEDOF QSC AUDI
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