QSC-PL1_4-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 CH1.1C537.1C536AD5541N4004D5351N4004D5301N4004J502:1A713A3K-5WR539.001C503-15VIC CH1D509IN4744A-15VR50312KPA2.2KR553R5622.2KR551390KR555390K-15VA100-35VC534100KR552MPSW51Q5211N4004D6351N4004D636MPSW01Q
3、514+15VIC CH1+15VIC CH2-15VIC CH1-15VIC CH2AQ517MJE15030C53047-50V+15V-15VJ53:22J53:11D5327.5V10KR550390KR566MPS8599Q51268KR554Q5162N441022KRN505:243RN505:422K78MPS8599Q519RN505:122K1222KRN505:3654.7KRN506:487GREENLD704RN506:14.7K121KR564RN506:24.7K34R530270R5311.62KD5331N4746MPS8599Q52010KR563Q5152
4、N44104.7KRN506:365D502MUR810R5082.7-2WC505.1-250VR50522-1WQ504DSG47-50VC504418911121014C5324.7NP-16VPPPC564XC563XC501.1-250VR5042.7-2WJ502:4R51150 OHM100VR501CW12KR507C506.001IN4744A-15VD5101N4934D519J502:2IN4744A-15VD521.0022-5%C523R54756.2-1%-1/8wRN503:32.2K561N4934D506.01C5081N4934D505C527220pFA2
5、.2KRN503:2432.2KRN503:12110pFC52847R544R54275K.10-5%C518332R54147NP-10VC520AR5404.7K21.0K-.5WR53847pFC52110KRN502:4871KR522D5144.7V.022C5241N4934D520C526330-25VRN503:42.2K7810KRN502:365+15VIC CH12KVR502CW1N4934D5072KVR503CW1N4934D508D5131N54021N5402D5122SA1306BQ5012SC3298BQ502Q510Q509Q508Q507Q506Q50
6、5.10-5%C514L501 2uHR5255.6-2WR52710-2WR52310-2WR52610-2WR52410-2W.10-5%C513C507470-16VMUR810D501R50622-1WQ503DSGR5463K-5WJ50412J50512RN502:210K34RN502:110K12C52247pFR5451K5532U503:B7+584-6U503:A5532+3-21C51918pFR568953AR5607.5K-2W-15VIC CH123+15V-15VR52815-1/2WR52915-1/2WJ502:6R519R520.22-3WR521TP16
7、TP15TP14J502:8R513R514R515.22-3WTP19TP18TP17+VRN504:11K12RN504:31K56RN504:41K78APTC-60CR556R549330KA2N4410Q511Q513MPS8599R5674.7KR55947KR56947K.1C5665AC529220NP-10VA.01C531AAR5573.9K2N4410Q5181A-200VBR501+1AC24AC13-2330-25VC525PIN4744A-15VD5221N4004D5241N4148D5251N4004D5261N4148D531AR5013.3-1WR5023.
8、3-1W4.7-16VC535536R5611N4148D5551N4148D5561KR512D5114.7VSWSG1HS GND CH11SW. GND2SG2PWR GND CH1AP3.3-1WR5431N4148D557(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 CONJUNCTION WITH PCB ASSEMBLY WP-000157-XX.12. TO-220
9、 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 55C. QSC P/N RE-000006-VP.RESISTORS MOUNTED TO HEAT SI
10、NK. 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 TEMPERATURE COEFFICIENT6. Q503, 504, 603, 604 ARE SWIT
11、CHING 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 3SCHEMATIC DIAGRAM,NOTES: UNLESS OTHERWISE SPECIFIE
12、DSIG. 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 DESIGNATIONHIGHEST NO. USED-U711TP19-TESTPOINT-T704-TRANSFORMERV
13、R603VR503POTENTIOMETERU603U503IC-RN704RN604RN506-R751R668R569-Q706Q615Q521-LD704-L710J708J53-BR702PSBR601BR501CH2CH1DESCRIPTIONJ503J603BRIDGE RECTIFIERCAPACITORDIODEL501L601RES NETWORKRESISTORTRANSISTORLEDINDUCTORCONNECTORPLOT DATE:.DATEPCB IN TANGOPRO1010TRANSFORMERHAVE VOLTAGES GREATER THAN 42V.11
14、. PARTS ENCLOSED WITHIN DOTTED OUTLINE10. CAPACITORS C563X, 564X, 663X AND 664X ARE SPARES.(SHEET 1 ZONE C2)(SHEET 1 ZONE A5)D557D657C785HS GND CH1E2W1HEATSINKASH-000157-00SH-000157-00MAIN PCB, POWERLIGHT 1.4SCHEMATIC, MAIN PCB, POWERLIGHT 1.4PROD RELEASE PER ECO 2548(EFF. 1-27-95) ACFOR FAB SEE PC-
15、000152-00 REV AWP-000157-00WP-000157-01PWRL 1.4 (120/230V)PWRL 1.4 (100V)+80V RAILCREVISED PER ECO 2755 AC(EFF. 3-1-95) ACSGM3-1-95DOC NO. SH-000157-00 REV CC1(EFF. 9-27-96) AAOBSOLETE PER ECO 3244SA7-21-95C1C1DCBADCBA8765432187654321QSC AUDIO PRODUCTS.WITHOUT EXPRESS WRITTEN CONSENT FROMBE DISCLOSE
16、D, 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.DRAWNAPPROVALSMATERIALFINISHUNLE
17、SS 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.DESCRIPTIONVENDORDESCRIPTIONREVZONEDATEAPPROVEDREVISIONSD6114.7V10K-2WR6583
18、K-2WR610U602IC-000009-00T7T6T5T4T1T3T2SOURCE REFGATESHUTDOWNLOSS-OF-SATGATE DRIVERCOMPARATORSCHMIDTT!SLEWSHUTDOWNLOW RAILREF VOLTGATE POWERU601IC-000008-00T8T7T9T5T6T4T2T1T3!GATESOURCE REFHIGH RAILNEG SUPPSHUTDOWNLOSS-OF-SATGATE DRIVERSCHMIDTT COMPARATORBOOTSTRAP CAPSLEWSHUTDOWNLOW RAILREF VOLT.1C63
19、6.1C637AAD6301N4004RN604:11K12RN604:31K56RN604:41K78APTC-60CR656R649330KA+VTP11TP12TP13R615.22-3WR614R613J602:8TP10TP9TP8.22-3WR621R620R619J602:613791112101432-15V+15VAC631.01U603:A5532+3-21C6324.7NP-16VPPPPA2.2KRN603:4873K-5WR639330-25VC626D6201N4934C624.0224.7VD614R6221KRN602:410K78C62147pFR63821.
20、0K-.5W4.7KR640AC62047NP-10VR641332C618.10-5%75KR642R64447C62810pFRN603:12.2K12RN603:22.2K34A220pFC627D6051N4934C608.01D6061N49342.2KRN603:365C623.0022-5%D621IN4744A-15VJ602:2D6191N4934D610IN4744A-15V.001C606R60712KVR601100CW50 OHMR6111KR612.001C603D609IN4744A-15VJ602:4RN602:310K56330-25VC625D622IN47
21、44A-15VJ602:12KVR603CW2KVR602CW1N4934D6071N4934D608+48VD6131N54021N5402D6122SA1306BQ6012SC3298BQ602Q610Q609Q608Q607Q606Q605.10-5%C614L601 2uHR6255.6-2WR62710-2WR62310-2WR62610-2WR62410-2W.10-5%C613C60447-50VQ604GSD22-1WR605.1-250VC6052.7-2WR608MUR810D602C607470-16VMUR810D601R60622-1WQ603DSGC601.1-25
22、0VR6042.7-2W+15VIC CH2-15VIC CH23K-5WR646Q6152N44103.9KR657AAC663XC664XJ60412J605121A-200VBR601+1AC24AC13-2220NP-10VC62918pFC619953R6681R6607.5K-2WA10KRN602:24347pFC62210KRN602:121R6451K8U603:B553248+5-67+15VIC CH2-15VIC CH2R64756.2-1%-1/8W5R60312KP1N4148D6251N4004D626R6013.3-1WR6023.3-1WR60922K-1WR
23、61722-1WR61822-1W536R6613.3-1WR643APSG3PWR GND CH2E31N4148D657450-5WR648+80V RAIL10(TO SHEET 3)N/C!3 PL3 PLSIG. GNDOUTPUT CH22.FILENAME2 OF 3BIASSIG. GNDGAIN GROUND200VBIAS NETWORK25 CHEATSINKGROUNDHEATSINKGROUND!3 PL2SA13023 PL2SC3281!AUDIO OUTPUT STAGE!+48V RAILHEATSINKGROUNDSPEAKERSPEAKER COMMON
24、CH2J603PLOT DATE:.DATE10TRANSFORMERTO SHEET 3TO SHEET 3(TO SHEET 3)HS GND CH2+I LIM-I LIME4W2HEATSINKSH-000157-00SH-000157-00+40 +80V SWITCHED BUS-40 -80V SWITCHED BUSC1C1DCBADCBA8765432187654321QSC AUDIO PRODUCTS.WITHOUT EXPRESS WRITTEN CONSENT FROMBE DISCLOSED, REPRODUCED OR USEDOF QSC AUDIO PRODU
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