Kenwood-KAC9102D-pwr-sm 维修电路原理图.pdf
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1、 2005-3 PRINTED IN JAPANB53-0252-00 (N) 1708POWER AMPLIFIERKAC-8102D/8152DKAC-9102D/9152DSERVICE MANUALKAC-9152DREMOTE CONTROLPoweAmplifieMAXIMUM POWERSubwoofer6575859510050172151191840FREQUENCY LEVEL dBHzAccessories(W01-1606-05)KAC-9152D(E type,M type)Dressing Panel(A21-4465-02) : KAC-8152D/9152D(A
2、21-4466-02) : KAC-8102D/9102DScrew set(N99-1759-05)Screw set(N99-1766-05)Connecting cord assy(E30-6145-05)Modular cable(E30-6240-15)Mouting hardware(J22-0301-14)Remote controlCONTROL SYSTEMKAC-8102D/9102DKAC-8102DKAC-8152D(E type, M type)Dressing Panel(A21-4471-02) : KAC-9152D(K type)(A21-4472-02) :
3、 KAC-9102D(A21-4473-02) : KAC-8152D(K type)(A21-4474-02) : KAC-8102D(A21-4522-12) : KAC-9152D(E/M type)(A21-4523-12) : KAC-8152D(E/M type)Except KAC-8102D/9102D6m19cmFuse (40A) (F52-0016-05) : KAC-8102D/8152DFuse (30A) (F52-0015-05) : KAC-9102D/9152DExcept KAC-8102D/9102DKAC-8152DMAXIMUM POWERKAC-81
4、52D(K type)KAC-9152D(K type)KAC-9102DFuse (30A) (F52-0015-05) : KAC-9102D/9152DThis product uses Lead Free solder.RadioFans.CN 收音机爱 好者资料库2KAC-8102D/8152DKAC-9102D/9152DBLOCK DIAGRAMLINE OUTLINE INIC11ISOSP INIC11INVNOR/REVI.F.S25Hz15HzIC11SENSL.P.FBASSBOOSTREMOTEBASSBOOSTFREQIC13LVLIC12KAC-9102DONLY
5、KAC-8102DIC51-53ONLYKAC-8152DKAC-9152DQ151MUTEIC31IC12,13DEADCONTTIMETRIANGLEWAVED CLASSAMPQ401-415,187-190DET.LOADOVERPROTECTTHERMALOPAMPDET.OFFSETDCAVR+15VD.D CON+15VAVRAVR-15V15VCOMPARATORHBQ25,26Q28,42Q8-20DETP-CONTR SWSP OUTP-CONBATTGNDINDREMLVLFREQKAC-8152DKAC-9152DONLYLEVEL DIAGRAMOUTX08LEVEL
6、VOLOUTINPUTSP-1001020304050ISOLATIONX08D CLASS AMPKAC-9152D/9102DKAC-8152D/8102DX09-5820-10X08-4180-10RadioFans.CN 收音机爱 好者资料库3KAC-8102D/8152DKAC-9102D/9152DCOMPONENTS DESCRIPTION PREAMPLIFIER UNIT (X08-4180-1x)Ref. No.Application / FunctionOperation / Condition / CompatibilityIC11 (1/2)INFRA SONIC F
7、ILTERCutting super-low area of voice signalsIC11 (2/2)INVERTERReversing voice signal phaseIC12 (1/2)OP AMPVoltage amplification, bufferIC12 (2/2)BASS BOOSTHigh-boost (variable levels)IC14,15BASS BOOSTHigh-boost (variable levels)IC13LOW PASS FILTERCutting high range of voice signal AUDIO UNIT (X09-58
8、20-1x)Ref. No.Application / FunctionOperation / Condition / CompatibilityIC1DC/DC converter ICCreate drive signal for switching elementIC2 (1/2)Differential amplifierDetection of temperature, DC, and excess current and hold protection for a certain timeIC2 (2/2)Differential amplifierContaining exces
9、s voltage of BIC11Isolation amplifierPrevention of noise by the electric potential difference of GNDIC12,13NANDGeneration and forming of Dclass section reversal waveform and dead timeIC31ComparatorDigitalize signal by comparing analog signal and triangular waveIC32 (1/2)Triangular wave generationRef
10、erence signal generation for converting analog signals to digital signalsIC32(2/2)Error amplifierError compensation by feedback from outputIC5153OP amp, electronic volumeFrequency, variable level BASS BOOSTIC61,62ComparatorDetection of short-circuiting of SP output and determine excess current for t
11、riggering protectionQ1-3PCON switchTurns on the circuit when ON-signal is impressed on PCONQ4,5MuteMute drive signal generation, Turn LED offQ811Gate driveDC/DC converter FET gate driveQ12-20DC/DC converterDC/DC converter switchingQ25,26,28AVR15V AVRQ29,30Tracking when 15V AVR is OFFAdjusts -15V AVR
12、 falling to +15V AVR fallingQ36DC/DC converter ON/OFF controlStops DC/DC converter switching when protection is triggeredQ3738DC/DC converter pulse ON/OFF controlON/OFF of DC/DC converter drive waveformQ414.4V AVRVref 5V reference AVRQ42AVR15V AVRQ43DC/DC converter ON/OFF controlStops DC/DC converte
13、r switching when protection is triggeredQ151MuteTurning off voice signalQ187190Electric power amplificationDclass large current switchingQ401415Pulse amplification and rectifyingGeneration of signal for driving Dclass final FETQ41615V AVRIntegration AVR for obtaining Dclass High+BQ417,418Control of
14、ON/OFF of electricMakes the electric power amplification section non-operative for 1.2 seconds when thepower amplification sectionpower is turned on and when protection is triggeredQ501Emitter followerGeneration of temperature compensation reference voltage for control of electronic volumeQ601,602Co
15、mparatorDetection of short-circuiting of SP output and determine excess current for triggering protectionQ603DC/DC converter controlConvey IC62 u pin output, result of excess current detection, to IC2 and stop the DC/DC converterQ604607Electric current and voltage conversionConversion of current to
16、voltage of the current flowing to finalQ608611Latch circuitDetection and holding of output excess voltage4KAC-8102D/8152DKAC-9102D/9152DABCDE1234567PC BOARD (FOIL SIDE VIEW)C115C302W338C518C604C608R64R181R208R304R417R608R611R612R616R617R620R525R527R74R638C612C614R640R182+5VC111R120C101C102R103R104R1
17、14R115R117C117C501C502C503C519C6C116C152C182C183C301C401C517C156C603C606C607C609C615R414C524R2R4R14R48R65R153R154R302R409R410R419R416R508R509R526R528R415+15V-15VR602R606R610R619R621R643R644C4C109C110C112C113C154C303C304C507C509C513C515R413R412R406R411R9R405R404R403C610C611R10R68C525R73R529R3R5R6R7R8
18、R11R12R13C526R53R58R61R66R67R105R106R113R116R119R121R122R123R124R151R152R155R156R157R158R159R160R183R184R199R200R206R209R301R303R305R306R307C527R425R162R407R408W351R426C405C406R423R424R506R507R511R512R513R514R515R516R517R518R519R520R521R522R523W352W353W354W355W356R601R603R604R605R607R609R613R614R615
19、R622R623R624R625R626R627R639R641R642W401W360W346W328W324W337W336W332W333W361W323W320W322W339W319W329W321W348PWMW317W350W318W326W330W331R210R21158144158415841587181471814415871814718144158BEEBEBEBEBEBEBEBEBEBEBEBEBEBEBEEBEEBEBEBEBEBEBEBESGDDSGEBB1324129101728W76W85W100C35R510C506C181R108R112R107R111R
20、118C2C3C5C522C31C32C36C521C153C504C505C510C511C520C523C602C605C613R401R402R420C103C104C105C106C107C108C114C151C195C196C508C514C516C601R52R57R101R102R109R110R161R418R629R630W108W81W78W89W93W94W32W73W105W52W102W40W49W60W59W88W19W27W30W26W18W84W71W48+BW39W31W35W103W104W72W77W99W106W66W74W87W107W55W57W6
21、8W65W64W67W92W25W34W56W36W37W58W46W50W45W44W54W43W51W33W41W23W22W29W53W95W79W38W21W20W61W75W69W109W117W118W62C25C155R504R501R502R503L4/L14W121W110W124W123W122W115W114W119L14R203R204W505W506B EBEBEB EBEBEB EBEB EB EBEB EB EBEBED607Q30Q602D501D605Q608D181D101D8D23D25D603Q1Q2Q29Q151Q601Q603Q609Q610Q611
22、D5D308Q4Q501Q5Q410Q414Q411Q415D103D105D107D109D904D907Q3D186D305D307D906D908D6D7D9D10D11D104D106D108D110D151D182D183D303D304D306D401D402D601D602D604D606Q25Q42Q401Q402Q408 Q412Q417Q418Q604Q605Q606Q607J1LINEOUTLINEINSPEAKERLEVELINPUTREMOTESPEAKED502CN1Q26J2P1Q409Q413J4Q28Q187Q189QQ403Q404Q405Q406Q407I
23、C11IC31IC32IC51IC61IC62IC52IC53IC12IC13AUDIO UNIT X09-5820-1x A/2 (J76-0072-11)Refer to the schematic diagram for the values of resistors and capacitors.5KAC-8102D/8152DKAC-9102D/9152DJIHGF1234567R72C7C9C11R20R25R32R34R36R37R38R43R44R49R70C13C14R17R19R22R23R29R30R31R33R35R39R40R41R42R71R201R202R207R
24、421W357W358TH1C81W306W307W301W308W302W305W303W309W304418516918EBDDSGSGBESDGSDGSDGSDGSDGSDGSDGSDG13C12C40C1C21C22W120C8C10C19C20C23C193C194C402C403C404R1R45R46R47R422R636R637W11W12W10W9W3W16W15W1W6W2W5-BW7W8W17W13W14C26L1/L11W112W116W501W502L1L11L4C15C16C17C18C197C198C199P-CONGNDBATTOUTL3W504W505W506
25、W503B EB EB EB EB EBEB EBEQ8Q9Q43Q10Q11Q36D4D407Q37Q38D81Q41D3D15D12D14D16D17D403D404D405D406Q416SPEAKER OUTPUTPOWER IND2D1J3P1Q12Q13Q14Q15Q17Q18Q19Q20D18D19J5Q188Q190WH2P2IC1IC2X09 B/2Ref. No.AddressIC16IIC23IIC116BIC124BIC134BIC314CIC324CIC515BIC525BIC535BIC615CIC625DQ16DQ26DQ36DQ46DQ56DQ86IQ96IQ1
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