Kenwood-KAF3030R-int-sm 维修电路原理图.pdf

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1、70%STEREO INTEGRATED AMPLIFIERKAF-1030/3030R/3030R-SSERVICE MANUAL 2000-3/B51-5611-00 (K/K) 1704STEREO INTEGRATED AMPLIFERKAF-3030RPHONESONOFFPOWERSTANDBYSPEAKERS AA+BBOFFLRBASSTREBLEBALANCEMINMAXVOLUME CONTROLSOURCEDIRECTDIRECTT R A I TTAPETUNERPHONOMD/ CD-RAdv. DA/ CDAUXLinearINPUT SELECTOR+SPEAKE

2、RS(A or B : 416 , A and B : 816 )RABLMD/CD-RTAPERECPLAYRECTUNERAUXAdv. DA/CDSYSTEMCONTROLPLAYPHONOSIGNALGNDRLSERIAL NO.KAF-3030RSTEREO INTEGRATED AMPLIFIERAC 230V50Hz150WKENWOOD CORPORATIONMADE IN KOREAAC OUTLETSUNSWITCHED100W MAX.SWITCHED TOTAL200W MAX.Illustration is KAF-3030R.* Refer to parts lis

3、t on page 16. Panel *(A60-)Window(B11-1517-08)Screw terminal board(E70-0104-08)AC power cord bushing(J42-0083-05) KENWOOD badge(B43-0302-04)Metallic cabinet (A01-3781-08)Button (K29-7862-08)Knob (K29-7860-08)Knob *(K29-)Button(K29-7864-08)Knob (K29-7858-08)Pin jack(E63-0186-08)Pin jack (E63-1165-08)

4、AC power cord *(E30-) Phone jack(E11-0263-08)Phone jack(E11-0333-08)AC outlet *(E03-)Pin jack(E63-0189-08)Caution: No connection of ground line if disassemble the unit. Please connect the ground line on rear panel, PCBs, Chassis and someothers.RadioFans.CN 收音机爱 好者资料库KAF-1030/3030R2CONTENTS / ACCESSO

5、RIESCONTENTS / ACCESSORIES . 2CONTROLS .3CIRCUIT DESCRIPTION.5ADJUSTMENT.6PC BOARD . 7SCHEMATIC DIAGRAM . 11EXPLODED VIEW .15PARTS LIST.16SPECIFICATIONS .19ContentsRemote (A70-1429-08)Battery cover (A09-0170-08)control unit (1)(KAF-3030R only)Batteries (R6/SUM-3) (2)(KAF-3030R only)AccessoriesOperat

6、ion to resetThe microcomputer may fall into malfunction (impossibility tooperate, erroneous display, etc.) when the power cord is un-plugged while power is ON or due to an external factor. In thiscase, execute the following procedure to reset the microcom-puter and return it to normal condition.Set

7、the POWER to OFF then, while holding down the SOURCEDIRECT key, set the POWER switch to ON.Please note that resetting the microcomputer clears the contentsstored in it and returns it to the condition when it left the factory.CautionsRadioFans.CN 收音机爱 好者资料库KAF-1030/3030R3CONTROLSMain unit1 STANDBY in

8、dicator (KAF-3030R only)2 POWER switch3 SPEAKERS A/B switchesTurn to select the A and/or B speakers systems.4 BASS knobTo adjust low frequencies.5 TREBLE knobTo adjust high frequencies.6 BALANCE knobAdjust the volume balance between left and right.7 VOLUME CONTROL knobAdjust the volume.8 MUTE key/in

9、dicator (KAF-1030 only)Mute the sound temporarily.9 LOUDNESS key/indicator (KAF-1030 only)Use to emphasize deep bass sounds.0 Remote Sensor (KAF-3030R only)! PHONES jackUsed for headphone listening. SOURCE DIRECT key/indicatorTo listen to a source with high quality sound.# Adv. DA / CD DIRECT key/in

10、dicator(KAF-3030R only)To listen to a Advanced Digital Audio source withhigh quality sound.$ INPUT SELECTOR knobTurn to select the input sources.% INPUT indicatorAn indicator lights for the source selectedwith the INPUT SELECTOR knob.STEREO INTEGRATED AMPLIFERKAF-3030RKAF-1030KAF-1030SOURCEDIRECTLOU

11、DNESSMUTEPHONESONOFFPOWERSTANDBYSPEAKERS AA+BBOFFLRBASSTREBLEBALANCEMINMAXVOLUME CONTROLSOURCEDIRECTDIRECTT R A I TTAPETUNERPHONOMD/ CD-RAdv. DA/ CDAUXLinearONOFFPOWERINPUT SELECTOR!3456789012#KAF-1030TAPETUNERPHONOMD/ CD-RCDAUXINPUT SELECTOR$%KAF-1030/3030R4CONTROLSREMOTE CONTROL UNITRC-A0301476473

12、818fifi%1273ADISC SKIPBAUXTUNERTAPEPOWERMDPHONOMUTEVOLUMECONTROLTUNERP.CALLCDTAPEMDAdv. DA/CDSOURCE DIRECTAdv. DA/CDDIRECTThe part of the illustration designates keys that can be used to operate KENWOOD components connected with the systemcontrol. The rest of the illustration designates keys that ha

13、ve the same functions as the keys on the main unit.Model: RC-A0301Infrared ray systemRemote control unit (KAF-3030R only)DISC SKIP keyOnly used for the AutochangerCD player.POWER keyUse to switch the power ON/STANDBY when the POWERswitch is turned ON.TUNER operation keysMUTE keyMute the sound tempor

14、arily.VOLUME UP (%), DOWN(fi) keysAdjust the volume.SOURCE DIRECT keySwitch SOURCE DIRECT ON/OFF.Adv. DA / CD DIRECT keyPress for one second or moreto switch Adv. DA / CD DIRECTON/OFF.TAPE operation keysThese keys perform the sameoperations as the correspond-ing keys on the cassette deck.However, op

15、erations requir-ing simultaneous pressing oftwo keys are not possible.CD player operation keysMD recorder operation keysINPUT SELECTOR keysPin No.Pin NameI/ODescriptionACTIVEHL1VDD-Power supply(+5.0V).2REMOCONIRemote control signal input. KAF-3030 only3VDD-Power supply(+5.0V).4,5NC-Unused.6MAIN MUTE

16、OControl port of audio muting.OFFON7MD REC MUTEOMD REC muting control.8TAPE REC MUTEOTAPE REC muting control.9POWER RELAYOControl port of standby relay.10SP. RELAY AOA speaker relay control.11SP. RELAY BOB speaker relay control.12DVD RELAYODVD relay control port.13-15NC-Unused.16SP. A INIInput port

17、of A speaker selector.17SP. B INIInput port of B speaker selector.18NC-Unused.19STBOStrobe output to input selector.20CLKOClock output to input selector.21DATAOData output to input selector.22SYSCON DATAI/OSystem serial data input/output.KAF-3030 only23SYSCON BUSYI/OSystem serial busy input/output.K

18、AF-3030only24KEY INIInput port of key signal.25VOLUME DOWNOControl port of motor volume(down).ONOFF26VOLUME UPOControl port of motor volume(up).ONOFF27MD/CD-R LEDOControl port of MD/CD-R LED.28TAPE LEDOControl port of TAPE LED.29AUX LEDOControl port of AUX LED.30RESETIReset signal input.31EXTAL-10MH

19、z oscillator.32XTAL-10MHz oscillator.33VSS-Ground.34TUNER LEDOControl port of TUNER LED.35CD/AD-DA CDOControl port of CD/AD-DA CD LED.36PHONO LEDOControl port of PHONO LED.37DVD DIRECT LEDOControl port of DVD DIRECT LED.38SOURCE LEDOControl port of SOURCE LED.KAF-3030 only39LOUDNESS LEDOControl port

20、 of SOURCE LED.KAF-1030 only40MUTE LEDOControl port of MUTE LED. KAF-1030 only41STNDBY LEDOControl port of STANDBY LED.KAF-3030 only42MAIN VOL. LEDOControl port of vol. LED. 43LOUDNESSOControl port of loudness. LED.KAF-1030 onlyOFFON44-71NC-Unused.72VDD-Power supply(+5.0V).73NC-Unused.74,75ENCODER I

21、NIData input of encoder(input selector). 76,77ENCODER SP-Unused.78POWER OFFIPower off signal input. OFFON79PROTECTIONIDetection port of protection.OFFON803030/1030 SEL-Unused.KAF-1030/3030R5CIRCUIT DESCRIPTIONS1. MicroprocessorPin descriptionKAF-1030/3030R6ADJUSTMENTNo.ITEMINPUT SETTINGSOUTPUTSETTIN

22、GSAMPLIFIER SETTINGSALIGNMENT POINTSALIGN FORFIG.Unless otherwise specified, the individual switches should be set as following : POWER : ON SPEAKER : B SELECTOR : CD1IDLE CURRENTConnect a DC voltmeter as figure CN511 (Lch),CN510 (Rch).(MAIN PCB)VR203 (Lch) VR204 (Rch) (MAIN PCB)40 mV(a)VOLUME : 02O

23、FF SETConnect a DCvoltmeter tospeaker terminal(JACK106) asfigure.VR201 (Lch) VR202 (Rch) (MAIN PCB)0 mV(b)VOLUME : 0DC voltmeter40mV+CN511(Lch)CN510(Rch)(a)DC voltmeter(b)DC voltmeterJACK106+()(+)LRSP.B0mVLchRchACEGIBDFHJ2135746C105R107R103C109C175R107R105C111J140C257R109C113C115R111C117R113J194R106

24、C108R108C174C110J117R110C112C114R112C116R114R104C106R172R173C104C102J114J115J116R101R102R127C127C126C141C258C151R178C103C1194185C118C249C250J258C191C190R116R115C135C136J139RY102LR151R153R179R154R181J1924158R149C138R150C140J119C152J120J118R171C144R147R148J148R117C137C139C251C253R186C142C252R136R137R1

25、35R130R132R133R131R126R128R129J111J110R187J107J106C129C128C131C130R180R188C236R541R542R539J257J256J282J144J145J146J143J142J264R184R185C254R165J169R170R169J168C143R212 J166J165R533R534R535J171J172J173R537R528R527R530R529J170J180R540R236J276R161C184VR204J221C194J222J218R252R248J216J215J217J288J261J219

26、R182R292R294R293R291R246J383J223J224R250R249R238J386J375R251J226J227J228J229J220J231J232J233J234J238J239C210J374J284C195C192C188L102C247R263R235C185R244J237R233R245R254R237J384J251J252J253C209R247VR203J373J249J250L101R243J372J268J269R253J270J271J272RY104C223C189C193C221J287C207J274C222C220RY103C196J

27、245J285J286J243C227J242ACACC179R227R262R248C181C245R232R234R220J211C204J381J212R219R231C173J213R217J279J235C183C169C167C201C202R207L104J262C246C180R208J277C168C166C182J260R215J214C178R256R228R257C198R255J190C200R259R261C199R536J259J191R218R216C172J278R265R274C219R260C260VR202C203C186C187C256C255R239

28、VR201C241R221R240R202C156C233R206R290C164R214R210R258R222R204R226R223R224C148C239C171C242R273R225C240C158C159R203R201J254R559L103R279C177C230C229J380R213R209C165J236R560J376J377R282C259C226C212R281J379R205C157C228J141J241R269J273C232C231C235J184R266R271C208R270R267C197R268J122J123C224C225J275R144R14

29、6R145R143R118C149C150R142C147R167R168J182J126J125J124J121J101J102J103J104J105J113C237C122C123C124C125C132R124R125R122R119R121R120R123R138R140R141C133J108J1091141528C238J134J135J131J132J133J371RY102C176J127C145J138C211J137J136R278R272J378R276R285C218J210J209J130R156J207J128R277C217R198C155R197C205J25

30、5C214R280R283R199C154J206J205R196R200R193R195C162J129J281R230R286J382R211R289J203J202C531R523R192C161C160C507R288C244J204R194R572R229R287GNDRELAYC170C502R574R573C163R155R563R567C215J200R544R518R553J185J189J188J179J181R561J177C530C504C529J187J199J265R297C508R592R556J201R519J163C216J161J160J162J159J15

31、8J164J157J156J155J154J153J152J151J150J149J147J183J370J178J246RY102RR152R516R514R512R521R532R531R522R520R510R515R517J186J175J174C509646580124254041X501R593J167R538R562C563R139R134J112C14614BBEEEEBBEBBBEEEEBBBE12E B12EBEBEBEBEBBEBEEBEBEBBEBEBEEBBEDSE BEB13BEE BBEGDGS12EB212322311514BESDGSGDEBSDGE BBEE

32、BE BEBEBEBDSGEBEBBEEBBEEBEBE BE BE BE BE BE BBEE BBE17E BIC101JACK105Q103IC103Q107Q108Q104JACK102JACK103D117Q105Q109Q110Q106Q160Q161D505D506D508D507D509D510Q138Q154CN510CP601CN511Q137JACK106MAIN7020060230000D105JACK104D106BD101CN101Q131Q125D115Q127Q123Q121Q132Q126Q124Q122Q130Q128Q129D113D112Q153Q140

33、D116Q141D110Q118ZD103Q258Q120Q162Q142D108Q119D109D107Q116Q163Q147Q148Q152Q117Q115D103D101D104D102JACK101Q139Q143IC102Q159Q113Q146ZD101Q145Q149ZD102CP104CN102Q512Q114Q150Q112Q157D504D501CN301Q111Q144Q151D111IC501CP501Q136Q134Q135Q133LRSPEAKERSSYSTEMCONTROLAD-DA/CDAUXTUNERPLAYRECMD/CD-RRECPLAYTAPEPHON

34、ORefer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)78KLNPRTMOQS2135746C318C308C304C330C311C302C322C324C601C59121151514EEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBBC66017C660C348C347C346C343C342C3495841C409C410C345C313C307C303C301C315C319C314C316C320C326C312C3

35、29C325C551C569C562C561C322C605C602C50313R325R545R345R377R296R295R163R164R340EB111111111R524R552R343R328R327R329R513R509R511R547R549C323C321C331C317R310R312R330R331R319R317R309R3181818R320R322R324R306R305R302R507R508R503R378R344R378R350R551R37717148R502R506R570R550R548R52531REMO501 MUTE LIVE LIVE LOU

36、DNESS NEUTRAL NEUTRAL AUX MD CD TUNER TAPE PHONO SOURCE DIRECT POWER SW CD DIRECTMAIN TRANSPOWER SWR505R501R504R571R301R332R326R311R314R316R308R313R307R315W502W50212122121VR302VR303VR250VR304T501F506313117F505F505F503F504F506F503F501F501MAIN TRANSAC CORDW502W503W501W501W503RY550JACK105J317J318J319J3

37、35J331J311J323J324J322J316J320J326J327J328J329J334J306J305J350J308J309J379J307J552J601J310J315J301J302J303J340J333J325J330J304J312J363J358J365J357J362J359J378J313115214151142231222J611J610J364J314J361J332VR250SPEAKERSBASSTREBLEBALANCEINPUTSELECTORREMOTESENSORD601D604D552D554D551Q502Q347Q502Q155Q346Q

38、501Q509Q510Q511CP101CP302CP502CP302CP502CP101Q506Q503Q505Q504Q507Q550Q156Q513Q508CP301CN502CN501CN503CN601CN104CN104CP503SW506SW501SW502SW503SW504SW530PHONESPOWERAC OUTLETVOLUMECONTROLVOLUMECONTROLSW505IC502IC520IC301IC302LED513LED508ZD340ZD341ZD343LED507LED506LED505LED504LED509LED501LED502LED503LED

39、510LED511D562D602D553D550D603D560D561D563Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)910ACEGIBDFHJ2135746(1/2)AUXLch 1Rch 2LchPHONOJACK105RchLchRchTUNERRchLchQ135Q133RchLchRECPLAYRchRchLchLchRchLchJACK102JACK101IC101EQ.AMPQ115Q117Q121Q123Q129

40、Q127D115D107D109Q119Q120D108D110Q113Q114D113D112Q125Q131Q116Q118Q122Q124Q126Q132Q128Q130Q134Q136D116SETOFFCN511CN510Q137T.PIDLINGD101D102D103D104ZD103ZD101ON/OFFSP.AQ143D105AVR-15V+15VAVRQ159Q145Q146Q142Q141Q140Q138Q152Q147Q148ZD102Q150Q149Q144D501Q112Q111Q157IC103(2/2)IC103(1/2)CN301CP501REC AMPLch

41、RchQ151D117D111D510D509D507D508D505D506Q160+5.6V AVR+15V AVRQ512D504u-COMABTAPE1MD/CD-RRECPLAYJACK103IC101(2/2)IDLING(Lch)IDLINGT.PIDLING(Rch)Q162Q258Q163SETOFFMUTINGMAINSELECTORINPUTRELAYDVD.SEL.MUTINGTAPE RECQ105Q106Q104Q103Q107Q108Q109Q110Q161MD REC MUTEIC102IC501KAF-3030R ONLY3030RONLYKAF-15.3V1

42、5.9V30.1V5.6V6.9V6.2V4.8V31.9V16.5V30.5V15.9V0.5V-32.0V-16.8V-5.6V-6.2V-16.3V42.5V1.2V-1.2V-42.5V-41.0V0.6V1.2V-42.3V-41.5V-41.5V-41.0V42.3V-1.2V1.2V1.2V13.0V39.8V39.8V13.0V12.4V0.4V0.4V40.3V0.3V-15.1V-16.3V-15.1V0.6V0.4V0.3V0.4VOFF:5.0VON:0VMUTE0VOTHER:3.7VAD-DA/CD:0V15.3V42.5V0V42.3V42.1V40.3V39.8

43、V39.8V41.7V13.0VOFF:14.5VON:0VOFF:0VON:10.0VOFF:5.0VON:0VMUTE12.4VOFF:-4.9VMUTEON:1.4V0VOTHER:0VTAPE PLAY:4.5VOTHER:15.9VTAPE PLAY:0V:15.2VTAPE PLAY:0VTAPE PLAY15.9V15.9V6.4V7.0V15.9VOFF:0V:4.5VMUTE ON13.0VOFF:-16.2VMUTE ON:6.3V238156K150PR145C149C150150P56KR146R14315056K56K56K27356K150150C125C124R1

44、25150PR122150PR124C122C123150PR118150PR120R121150P150PC132C133470KR140R138150470KR141150P150PC130C131470K470KR136R134220220R137R135150150P150PC129C128R13356K56KR130R132SOURCE DIRECT2827262524232221201918171615DATACK1234567891011121314STGND33PC10233PC103R1011K1KR102180PC107180PC10610u50+C10410u50+C10

45、5R103 33KR104 33K100R105R1061007465220PC111360R107100u25C109+220PC175270KR10922KR1113300PC1150.012C113C110220P220PC108100u25+C174R1083600.012C1123300PC114270KR11022KR112220PC249220PC257C250180PC258180P33KR1133900PC191330R11510u50+C11733KR1143900PC190330R11610u50+C116C118 100PC119 0.01150R144150R1191

46、50R123220R127R126220150PC127150PC126R129470K470KR1285810KR273C219 2.2u100+10KR27410K100K2.2u100+C205 100P10PC157100u25+C259100KR203820PC16547R20939PC167C16922P22PC17322PC179VR201 1003KR2053KR213910R215910R217220R227100P4.7KR19947KR1987PC2393PC241C2406P300R225300R226470u6.3C203+470u6.3C204+R204100KC1

47、58 100P+C260 100u25220R2012.2u50+C155R197 2.2KVR202R219 3.9K220PC171C159R221220u10C255+47R56033uHL104C2424PC148100P2PC1830.1C181220 1/4WR231220 1/4WR23212PC15610KR22310KR224820PC16447R210C16822P39PC166R220 3.9KC170220PR222+220u10C256220 1/4WR233R234220 1/4WC245C2460.1C180C1822PC17822PC17222P22R23522

48、u50C185+22R237VR203R239 39KC187 8PC18422u50+22R23822R236VR204330(B)R207 3KR208 3K220R228910R218910R2163KR214R2063KR240 39KC186 8P470R536R263 22C247 100P2423222120191817161514131211109876543218079787776757473727170696867666541424344454647484950515253545556575859606162636425262728293031323334353637383

49、940SYSCON BUSYSYSCON DATA9164 DATA9164 CLK9164 STBSP B INSP A INKEY READ INKEY READ INDVD RELAYSP B ELAYSP A RELAYPOWER RELAYTAPE REC MUTEMD REC MUTEMAIN MUTEVDDREMOCONVDD3030/1030 SELPROTECTORPOWER OFFENCODER SPENCODER SPENCODER IN (FUNCTION)ENCODER IN (FUNCTION)NCVDDSTAND BYMAIN VOLLOUDNESSKEY SCA

50、N OUTKEY SCAN OUTVOL DOWNVOL UPAUX LEDMDLEDCD LEDRESETEXTALXTALVSSTUNER LEDTAPE LEDPHONO LEDDVD DIRECT LEDS-DIRECT LEDLOUDNESS LEDMUTE21213.3KR245R2463.3K15KR25115KR25210 1WR2430.1C189R249 33KC1930.1R2471K2200PC1950.1C188C1920.1R24410 1WC202 47u63+C1942200P1KR248C232 0.01C231 0.01C230 0.01C235 0.011