Jvc-SPPW-880-Service-Manual电路原理图.pdf

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1、SERVICE MANUALPOWERED SUBWOOFERNo.20863Jul. 2000COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.d in Japan07(V)SP-PW880SP-PW880ContentsSafety PrecautionsDisassembly methodDescription of major ICs1-21-31-6Area Suffix EENUSContinental EuropeNorthern EuropeSingaporeSP-PW880!Burrs formed during molding may

2、be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system.Safety precaution1-2SP-PW8801-3Remove the saran board assembly from the cabinet assembly while releasing the four corner joints toward the front.Remove the eight screws A

3、 attaching the speaker.Disconnect the fasten connected to the speaker terminal on the back of the speaker.1.2.3.Disassembly methodRemoving the speaker (See Fig.1 and 2)Remove the two screws B attaching the LED indicator board assembly on the front side of the speaker box.Disconnect the harness from

4、connector CN404 on the LED indicator board assembly.Remove the two screws C and the panel.1.2.3.Removing the LED indicator board assembly (See Fig.3)Removing the amplifier assembly (See Fig.4)Remove the eleven screws D attaching the amplifier board on the back of the body.Disconnect each relay harne

5、ss connected to the speaker and the LED indicator board.1.2.Fig.1Fig.2Fig.3Fig.4Joint 4Cabinet assemblySaran board assemblySpeakerAAALED indicator board assemblyHarnessLED indicator board assemblyPanelBCAmplifier boardDDDDSP-PW8801-4Pull out the volume knob from the amplifier.Remove the three screws

6、 E and the two screws F on the amplifier.1.2.Removing the cover (See Fig.5)Cut off the band under the input board assembly.Disconnect the harness from connector CN851.Remove the two screws G attaching the input amplifier / filter board assembly. Pull and disconnect connector CN811 from the body.1.2.

7、3.Removing the Input board assembly (See Fig.6)Removing the amplifier board assembly (See Fig.7 and 8)Prior to performing procedure, remove the input amplifier / filter board assembly.Disconnect the harness from connector CN891 and CN881 on the amplifier board assembly.Remove the six screws H attach

8、ing the amplifier board assembly.Remove the two screws I attaching the heat sink 1 and the two screws J attaching the heat sink 2 respectively.1.2.3.Fig.5Fig.6Fig.7Fig.7Volume knobCoverF(Only US)EInput board assemblyCN811CN851GBandAmplifier board assemblyCN891CN881HHHHHeat sink 2Heat sink 1Amplifier

9、 board assemblyJIIJSP-PW8801-5Cut off the three bands fastening the harnesses extending from the transformer assembly.Disconnect the harness from connector CN891 on the amplifier board assembly and from CN899 on the power board assembly.Remove the four screws K attaching the transformer assembly.1.2

10、.3.Removing the transformer assembly (See Fig.9)Disconnect the harness from connector CN899 on the power board assembly.Remove the three screws L assembly.Remove the cord stopper.1.2.3.Removing the power board assembly (See Fig.10)Fig.9Fig.10BandsAmplifier boardassemblyCN891BandPower boardassemblyCN

11、899KTransformer assemblyKKCN899Power boardassemblyCord stopperLLSP-PW8801-6TR1TR2R2C1TR3TR4D6R4TR6C2R5 R6TR5 R3D1R7TR7 R8R51C5TR9R9TR8TR12TR10TR11TR23TR24 TR22TR21R14R16R19TR20R15R16R17TR19R18C6D7TR14TR13C3R12TR16TR15TR17 R13TR31R31D31D32TR32R32ComparatorComparatorD34 D36D35D33SUB1 3 54 2 7682122916

12、1014151112131718 19 20STK411-290E (IC821) : Power amplifierDescription of major ICsPrinted in Japan200007(V)VICTOR COMPANY OF JAPAN, LIMITEDAUDIO & COMMUNICATION BUSINESS DIVISIONPERSONAL & MOBILE NETWORK B.U. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,JapanNo.20863SP-PW880ABC12345SP-PW8802-1

13、+ +- -LVA10058-A266-000-074-11LVA10058-A1LVA10058-A367IC811IC8132/257IC8132/231IC811Q8101 Q8102IC851Q8501 Q85021/257IC8122/231VR811-VHCN811CN821CN881IC812IC821Q8204RY8811/2S81011814Q8201Q8202 Q8203SP-PW880Block diagramInput L/H ampLED controlRegulator(5V)Regulator(9V)CN851 CN861CN891Power circuitDC

14、detectorHigh pathfilterPower ampOutput currentdetectorRelaySpeakerLow path filterBufferSWABCDEFG12 3 452-2SP-PW880Parts are safety assurance parts.When replacing those parts makesure to use the specified one.Input circuitLED indicator circuitPower amplifier circuitPower supply circuitPlayback signal

15、 lineStandard schematic diagramsIC811IC811IC812IC812IC813R8105R8103R8104R8124R8118R8119R8120R8123R8126R8107R8109R8111R8112R8115 R8113R8114R8117R8116C8103C8112C8113C8101C8102C8111VR811CN899R8121C8104C8105C8106C8107C8109C8108IC851IC851IC851IC851CN881C8504C8506C8508C8501C8503R8514R8515R8518R8517R8519R8

16、504R8505R8506R8507R8521C8917R8522R8523D8507D8502D8503D8504D8508D8509C8507IC813Q8501Q8801C8505IC861R8801R8224CN851CN861D8602D8601R8601R8803Q8701R8704R8701R8703D8701D8702R8702Q8702C8924C8925C8914IC821R8223F8911F8921R8922PP892S8901PP891C8901D8201R8208D8202D8205D8206R8202 R8203C8203C8204C8213R8213D8911D

17、8921C8928L8201C8210R8219R8222RY881R8217C8201IC851IC851C8927D8511D8603F8901R8802C8219T8901S8101C8218C8217C8252R8252C8233C8234R8127R8101R8102R8125R8106R8108R8110C8114C8115C8116R8122D8510Q8102C8110R8227R8226R8225R8705C8502R8516R8503R8502R8501R8512R8811R8812D8505D8506D8501Q8502R8520Q8203J8101J8102C8701C

18、8702C8703C8704R8229C8921C8922C8911C8912C8915CN821CN811CN891R8209R8204R8205R8201C8202R8207C8214D8208R8212R8215R8211R8214R8210D8207R8216D8924C8207C8208C8209R8921Q8204Q8201Q8202C8211D8209R8221R8218R8220 R8206C8205D8801C8212C8232Q8101C8801C8215C8206R8228D8212D8211R8233C8253C8121C8231C8122R8128NJM4580D-D

19、NJM4580D-DNJM4580D-DNJM4580D-DNJM4580D-D68K56K56K56K150K150K150K5.6K100K1.6K2.4K11K10K10K 15K12K3.9K39K0.010.0220.02210/5010/5010/50QVQ0021-B14QGA7901C1-02150K0.220.220.330.0560.0470.033TC74HCU04APTC74HCU04APTC74HCU04APTC74HCU04APQGA3901C1-0210/5010/50470/6.322/25100/251M4.7K22560K510K1K100K1M2.2K1K

20、0.1/100180221SS133-T21SS133-T21SS133-T21SS133-T21SS133-T21SS133-T20.01NJM4580D-DKTC3199/GL/-T2SC945/PK/-T100PUPC78L05J-T56KQGA2501C1-021SS133-T21SS133-T21802SD400MP/EF/-T1.5K101.5KMTZJ10B-T2MTZJ10B-T2102SB544MP/EF/-T0.10.10.1/100STK411-290E56K4.7QSW0632-0010.068MTZJ8.2C-T210KMTZJ8.2C-T2MTZJ33C-T2MTZ

21、J33C-T2100 100100/5010/508.2P/5010D5SBA20-S1D5SBA20-S12.2/50QQLZ005-R4510/25100K82KQSK0095-001100K100P/50TC74HCU04APTC74HCU04AP0.1MTZJ6.8B-T2SPR-325MVW1/50QQT0265-003QSW0834-00110/5010/500.110150P/50150P/501K470K470K47K220K12K150K1000P1000P1/505.6K1SS133-T2KTC3199/GL/-T3300P56K56033K10100/1047K100K1

22、2K1K4.7K6.2K4.7K1SS133-T21SS133-T21SS133-T2KTC3199/GL/-T4.7KKTC3199/GL/-TQNN0090-001QNB0095-00147/2547/25100/25100/250.336800/256800/254700/504700/500.1/100QGB2016K1-15QGB2016J1-15QGA3901C1-05100K2.7K2.7K10100/501K0.11SS133-T21.2K22K0.3310K0.331SS133-T210DSK10C-T1220P/500.220.2233KKTA1267/YG/-TKTC31

23、99/GL/-TKTA1267/YG/-T47/251SS133-T2100K10K10K 56K470P/501SS133-T2100/16100P/50KTC3199/GL/-T1/50100/252.2/502201N5402M-201N5402M-204.7K0.01/1610/50150P/50150P1KF8902PP892S8901PP891C8901F8901CN899S8902QSW0632-0010.068QGA7901C1-04QSW0838-001Only E/ENOnly USR8801R8802R88031.8K 1/4W1.8K 1/4W1.8K 1/4W2.2K

24、 1/4W2.2K 1/4W2.2K 1/4WE/ENUSDeference partT8901QQT0265-004FRFRFRFRFRFRFRFRHABCDEFG12 3 452-3SP-PW880T1AB6301B6302CN899PP891PP892S8901F8901Z897 Z898C8901S8902Z896F8902Z899C8101C8102C8103C8104C8105C8106C8107C8108 C8109C8110C8111C8112C8113C8114C8115C8116C8501C8502C8503C8504C8505C8506C8507C8508C8509B80

25、06CN851D8501D8502D8503D8504D8505 D8506D8507D8508D8509D8510D8511IC861IC811IC812IC813IC851J8101Q8101Q8102Q8501Q8502R8101R8102R8103R8104R8105R8106R8107R8108R8109R8110R8111R8112R8113R8114R8115R8116R8117R8118R8119R8120R8121 R8122R8123R8124R8125 R8126R8501R8502 R8503R8504R8505R8506R8507R8512R8513R8514R851

26、5R8516R8517R8518R8519R8520R8521R8522R8523S8101VR811CN811B8201B8004B8005B8009B8008B8002B8001B8301B8003B8007B8601C8121C8122 B8006R8127R8128148415111712B7001C8219C8201C8202C8203C8204C8205C8206C8207C8208C8209C8210C8211C8212C8213C8214C8215C8216C8217C8218C8701C8702C8703C8704C8801C8911C8912C8913C8914C8915

27、C8916C8917C8921C8922C8923 C8924C8925 C8926C8927C8928CN821123456789101112131415CN881CN891D8201 D8202C8231C8235D8205D8206D8207D8208D8209D8211D8212D8701D8702D8801D8911D8921D89242 43 5 6 7 81109 11 12 13 14 15 16 17 18 19 20 21IC82122L8201Q8201Q8202Q8203Q8204Q8701Q8702Q8801R8201R8202R8203R8204 R8205R820

28、6R8207R8208R8209R8210 R8211R8212R8212R8213R8214R8215R8216R8217R8218R8219R8220R8221R8222R8223R8224R8225R8226R8227R8228R8229R8233R8701R8702R8703R8704R8705C8237R8801R8802R8803R8811 R8812R8921R8922RY881Z892Z893Z894Z895B7852B7204C8223B7206B7207B7851B7020B7009B7010B7008B7004B7003C8222B7011B7952C8236B7404B

29、7211EP881R8254B7304B7403B7016B7951W8801B7208B7702B7953 B7701B7202B7007B7402C8252B7502B7012W8912B7205B7301B7501B7201B7401B7203C8232B7013B7018 C8233B7210B7017C8234W8911B7014C8254C8255W8921W8931R8255W8951C8253R8252WC881B730321F8911F892115R8601D8602D8601D8603CN861LED indicator boardInput boardPower boardAmplifier boardPrinted circuit boards