Kenwood-KRFX9992D-avr-sm 维修电路原理图.pdf

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1、PHONESINPUT SELECTORVOLUMEMPEGCinema Re-EQDOLBY DIGITALCLIP INDICATORPOWERON/STANDBYABSPEAKERSMUTEDOWNUPDISPLAY MODES VIDEOVL-AUDIO-RCD2 / TAPE2MONITORON OFFAV AUXSYSTEMCONTROLFRONT SPEAKERS(4-16 )CENTER SPEAKER(4-16 )SURROUND SPEAKERSDIGITAL INDIGITAL OUTVIDEO 2COAXIALVIDEO 3COAXIALVIDEO 4OPTICALCD

2、 1OPTICALOPTICALSL 16XS 8( SL 16 )( XS 8 )(4-16 )SWITCHED TOTAL90W MAX.LRALRLCRBSL 16TEXTLRRANTENNAAM-FM 75GNDCD1PHONOMD/ TAPE 1RECOUTPLAYINRECOUTPLAYINPLAY INPLAY INCD2 /TAPE 2MONITORMONITOR OUTFRONTFRONTSURROUNDSURROUNDCENTERCENTER SUBWOOFERSUBWOOFERLLRLRVIDEOS VIDEOPRE OUTVIDEO4 6CH. INPUTAUDIOVI

3、DEO 3VIDEO 4PLAY INVIDEO 2VIDEO 1LRAUDIOPLAY INRECOUT+-6CH2CHVIDEO 4 INPUTKnob(K27-2248-04)AC power cord*(E30-)AC outlet*(E03-)Phono jack (E63-1069-05)Miniature Phone jack (E11-0374-05)Phono jack(E63-1030-05)Panel(A60-1649-12)Knob (K29-6858-12)Knob (K29-6855-03)Knob (K29-6855-03)Knob (K29-6852-04)Ph

4、ono jack(E63-1071-05)Slide switch(S62-0034-05)Front glass (B10-2418-03)Indicator(B12-0326-04)Front glass (B10-3503-03)Screw terminal board(E70-0095-05)Screw terminal board(E70-0096-05)Miniature phone jack (E11-0360-05)*Refer to parts list on page44.This manual is available for repair in the Europe a

5、nd England markets. Please refer to the original manual (B51-5560-00) if need the information in the USA and Canada and other markets.Cylindrical receptacle(E56-0019-05)Cylindrical receptacle(E56-0020-05)Phono jack(E63-1055-05)x3Power cord bushing(J42-0083-05)Oscillating module(W02-1114-15)Phono jac

6、k (E63-1054-05)Cylindrical receptacle(E56-0012-05)Phone jack(E11-0271-05)Indicator (B12-0333-04)AUDIO VIDEO SURROUND RECEIVERKRF-X9992D/X9992DESERVICE MANUAL 1999-8/B51-5564-00 (K/K) 165370%Cylindrical receptacle(E56-0019-05)Optical receiving module(W02-1181-05)Phono jack (E63-1039-05)Phono jack (E6

7、3-1056-05)Phono jack (E63-1070-05)Lock terminal board(E70-0052-05)Phono jack(E63-1040-05)KRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM yW 1RadioFans.CN 收音机爱 好者资料库KRF-X9992D/X9992DE2CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS. 2ADJUSTMENT. 3PARTS DESCRIPTIONS . 4PC BOARD . 5SCHEMATI

8、C DIAGRAM . 13EXPLODED VIEW . 43PARTS LIST. 44SPECIFICATIONS .Back coverContentsFM (T90-0841-05) indoor antenna (1)Remote (A70-1290-05)(RC-R1007)Battery cover(A09-1130-08)control unit (1)Loop antenna stand (1)Batteries(R6/AA) (4)AM loop antenna (1) (T90-0833-05)(J19-3645-05)How to reset the microcom

9、puterThe microcomputer may malfunction (impossibility of operation,erroneous display, etc.) when the power cord is unplugged andplugged in again while the unit is in ON mode or due to otherexternal causes. In this case, execute the procedure on the right toreset the microcomputer and return the unit

10、 to the normal condi-tion.?Resetting the microcomputer clears the memory you entered andreturns it to the initial condition when the unit left the factory.1With the power cord plugged in, turn the POWER key toOFF.2While holding down the (ON/STANDBY) key, pressthe POWER key.Please note that the follo

11、wing items will be deleted fromthis units memory if the power cord is disconnectedfrom the AC outlet for approximately three days.Memory backup function?The frequency setting is cleared and 87.5 MHz is selected.?The preset station memory is cleared.?The surround setting is cleared and reset to the i

12、nitial condition.?The input selection is cleared and the “Tuner” input is selected.?The volume setting is cleared and the volume is set to “-66 dB”.?The receiving band setting is cleared and the “FM” band isselected.AccessoriesCautionsKRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM yW 2RadioFans.CN 收音机爱 好者

13、资料库3ADJUSTMENTKRF-X9992D/X9992DENo.ITEMINPUTSETTINGSOUTPUTSETTINGSRECEIVERSETTINGSALIGNMENTPOINTSALIGN FORFIG.1DISCRIMINATOR(A)98.0MHz 1kHz,40kHz dev.70dBf (ANT. input)Connect aDC voltmeterbetween CN12 1and CN12 2 (X11)MONO98.0MHzL604(X11)0V(a)2DISTORTION(MONO)(A)98.0MHz 1kHz,40kHz dev. MONO70dBf (A

14、NT. input)(B)MONO98.0MHzL605(X11)Minimumdistortion(a)3DISTORTION(STEREO)(C)98.0MHz 1kHz,40kHz dev.Selector : L or R Pilot: 6kHz dev.70dBf (ANT. input)(B)AUTO98.0MHzIFT(RFFRONTEND: A601)Minimumdistortion (L or R)(a)4TUNING LEVEL(A)98.0MHz MONO1kHz, 40kHz dev.25dBf (ANT. input)(B)MONO98.0MHzVR601(X11)

15、Adjust VR601and stop at thepoint where ED1(TUNED) goeson.(a)FM SECTION : SELECTOR : FM *Adjust NO.1 and NO.2 repeat.AUDIO SECTION SPEAKER : A PREOUT : OFF PROLOGIC : ONIDLE CURRENTConnect a DC voltmeter across CN1 (each port)1, 2 pin : L5, 6 pin : R3, 4 pin : SL7, 8 pin : SR9, 10 pin : C(FRONT 2chMO

16、DE)Volume:0VR1(L)VR2(R) VR3(SL) VR4(SR)VR5(CENTER)(X07-)10mVSYSTEMCONTROLFRONT SPEAKERS(4-16 )CENTER SPEAKER(4-16 )SURROUND SPEAKERSDIGITAL INVIDEO 2COAXIALVIDEO 3COAXIALVIDEO 4OPTICALCD 1OPTICALSL 16XS 8( SL 16 )( XS 8 )(4-16 )SWITCHED TOTAL90W MAX.LRALRLCRBSL 16TEXTLRRANTENNAAM-FM 75GNDCD1PHONOMD/

17、 TAPE 1RECOUTPLAYINRECOUTPLAYINPLAY INPLAY INCD2 /TAPE 2MONITORMONITOR OUTFRONTFRONTSURROUNDSURROUNDCENTERCENTER SUBWOOFERSUBWOOFERLLRLRVIDEOS VIDEOPRE OUTVIDEO4 6CH. INPUTAUDIOVIDEO 3VIDEO 4PLAY INVIDEO 2VIDEO 1LRAUDIOPLAY INRECOUT+-6CH2CHVIDEO 4 INPUT(A)(B)(C)FM SGFM SGAGMPXAGAC voltmeterDummy ant

18、ennaOscilloscopeDistortion meterSYSTEM CONNECTIONSKRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM yW 524PARTS DESCRIPTIONSDEKRF-X9992D/X9992DEKRF-X9992D(K) COVER1,1P( 99.11.1 6:53 PM yW 53ABDFHJCEGI2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view

19、)65X07-293X-XX A/8 (J70-1152-11)CENTERSPEAKERSURROUNDSPEAKERSLRBAFRONT SPEAKERSLRLRBBEEEEBBBBEEEEBBBBEEEEEBBBBEEEBB129BEBEX07H/8X07G/81313X07 E/8X07 B/8X07 D/8IGOEBX07C/8BE12AC OUTLET16EBBEBEBEBEEB110EBEBEBEBEBBEBEBEBEEBBEBE1316EB115EBEBEBEBBEBE13EBBEEEBB1313POWERKRF-X9992D(K) PCBSD1,2P( 99.11.1 7:0

20、3 PM y W 1KMOQSLNPRT2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)78D12Q10Q9D10D14D2D1D7D8D13D9D35D34Q51Q52Q48Q47Q46Q45D32Q34Q32Q33D18Q11Q31Q49Q50D11R145R144R159R151R152R157R158R153R154R155R100R106R133R134R142R143R139R140R124R127R131R13

21、2R130R128R129R210R211R208R209R212R235R236R239R242R243R240R241R229R226R227R230R234R231R232R183R181R182R188R189R172R180R178R206R207R192R193R190R191R194R195R5R6R3R4R7R8R27R21R22R20R26R23C11C13C16C18C14C31C33R2C40C41C24C19C20C29C30C26R95R85R87R86R82R84R83R98R97R67R68R89R88R96R90R73R74R71R72R77R78R75R76R

22、94R93R80R79R92R91R50R61R62R59R60R65R66R63R53R54R51R52R58L39L41C15C281R48L40R324R319R560R565R566R564R567R466C238C237R467C199R461R459C241C233R465R468R469R434C198C212C211R435C197R428R429R427R426C215C216C207 C208R433R432R436R437C141C188C189R408R409R402R403R401R400R450C195R562C109R399C183C80C78C81C79R505

23、C149C151C148C150C144C143R314R313R312R504R509R373R374R370C76R301C178C72C71C67C68C70R394R396R395R393C175C61C63C176L34C62L33C177C179R389L42C64R410R413R411R412R444R398R443R442R415R416R417C73C75R507R506R569R303C173R392C69R360C119C118C124C117C116C115C120R347R343R340R336C130C128C129C133C134R361C276C125C126

24、C127C123C222C250C228R363R364R362C132C135C122C156L27L26C247R561C139C275C154R545R356L35C226C225R387L32C167L31C166R380R381R383R382R376R378R377C155R379R386R384R385C35C36R523R522R530R524R525R526R527R521R528R529R531R532R538R536R537R534R533R535R543R542R541R540R539R544R349R351R354R355R353C248C249R245R511C13

25、1R546R573C287C278C277C28R329C104C102R328R327C85R318R311R487 R486C259 C260C267 C268R320C90R321C93L9L6L10C100R325C86R464C234C242C3C2C89C87C91C180C282R326C101C103C84R458C94R483R482R480R481L38W1L36L37C202R488R489C201R491R490C96R322C264C263R460C200E BE BE BE BE BE BB EE BE BB EE BB EB EE BR563R568C82R316

26、R323C97E BR1R146R163R164R165R160R161R162R169R170R171R166R167R168R150R147R148R149R156R114R115R113R111R112R116R120R121R119R117R118R103R104R102R101R105R109R110R108R107R136R137R135R138R141R125R126R122R123R219R220R217R218R215R216R213R214R228R233R184R185R186R187R174R175R173R176R179R177R201R202R199R200R203

27、R204R205R197R198R196R99R13R14R11R12R17R18R15R16R9R10R33R19R25R24C23R81R69R70R49R57R55R56R330C108R221R238R41R42R39R40C280C279C284C285C283L4L5C7C99C98R492R494R493R495C272C271C257C261C262R479R478R476R477C258R475R474R484R485R470R472R471R473C246C245C231C235C236R457R456R454R455C232R453R452R462R463R438R440

28、R439R441C220C219C205C209C210R425R424R422R423C206R421R420R571R570L21L22L23C190C191R406R407R404R405C186C187C106C107C194C140R317R300R310R315R309R500R508R503R501R502R414R306R304R305C65R445R308R307C74R391C66R302C172R388R390R446R447R448R449C174R333R430R357R358R346R345R341R342R339R338R335R337R334R431R359R3

29、68C224R369C273C274R365C136R510R366R367C223R559C137C138R558C4C163C162L29L28L30C158C159C161C160C164C165C230R350R348R352C121R553R552R551R554R555R556L3L2C6C5C39C38L8L7R547R246R572L43C288EB51503081212080411680131100406160111415128891611604073961813216178021402817292041447814123181141441211487414578116114

30、333422231198784120218011104061160201458114585814854185418541854185418541854114817TGRX3X2R244C21C22C32C34C12C27C37C25GDB6chX58C157C286C42X4C269C265C266C239C240C213C214C152C142R371C145C146C153R372R375C170C168C229C88C95C270C92C244C243C218C217C193C192C169C171C147C83C110X111111511513test1115GIOIGOIGO1151

31、1513IGOGIOIC4Q8D15D16IC1IC3IC5IC30IC28IC22IC25IC29IC24IC27IC26D17IC21IC55IC54IC53IC52IC51IC50IC48IC49D31IC23D33IC32IC31IC37A4IC38IC36E1IC2WH3CN19J1CN13J2J3CN17CN14CN15CN12S1J4A2A1A3CN11IC34IC35IC33S2IR CONT.RDSX08-2942-71 (J70-1250-21)IC63.3V AVRprotectionLRCSWLtRtLSRSoutputLPFVIDEO2COAXIALINPUTVIDE

32、O3COAXIALVIDEO4OPTICALOPTICALCD1OPTICALOUTPUTSL16TEXTSYSTEMCONTROLINPUTVIDEO4P2SYSTEM I/OdigitalSELsub DSPFormatConverterAVRinputbuffercodecOSCmain DSPsub u-commain u-comP1KRF-X9992D(K) PCBSD2P( 99.11.2 9:45 AM y W 1UVXZABADWYAAAC2135746Refer to the schematic diagram for the value of resistors and c

33、apacitors.PC BOARD (Component side view)109C17C14C15C13C11C12C23C24C18C16C3C2C4C6C5C10C9C7C1C8C32C33C31C27C28C36C34C35R379R387R388R380R378R368R369R367R377R370R36R12R11R10R9R16R15R14R13R3R4R1R2R7C301C302R8R5R6R18R30R31R28R29R34R35R32R33R19R21R20R26R27R24R25R74R75R73R78R76R77C258C257C252R258C305C304C3

34、03C306C309C308C307C340C320C319C310C315C316C265C270C263C266C268C267C269R266R265R268R267R253R254R251R252R255R256R269R345R343R344R389R390R305R306R303R304R309R310R307R308R302R273R274R271R272R301R322R323R320R321R326R324R325R319R313R314R311R312R317R318R315R316W311C391C392C386C380C385C379C354C372C362C123C2

35、18C217C216C124C220C219C215C169C168C167C158C157C155W312C208C207C125C126C170C205C109C110R227R228R177R178R201R202R167R168R165R166R164R163R162R214R215R212R213R216R217R218R205R206R203R204R207R211R208R361R381R382R362R118R112R113R111R116R117R114R115R156R157R154R155R161R158R132R131R153R103R104R107R108R105R1

36、06R383R372W313W314R363R365R385R395C376R386C396C395C375R396C393C394R384W310R391C383C357C381R371C358R373R393R375C366R376C390C389C365R394C387C388R374R366C384R392C382R364W306W309C601R605R607R675C684W688W327R257R337R327R336R335R329R332R334R328R333R330R331R338R693C689R139R138R135R690W653C691C692R691R647R6

37、45W684C690W660C636R643R648R618R619R620W685W659C681C605C606C602C603C682C678C675C611C612C625C626C624C642C641C640C613C680C622C652C645C647C650C651C618C620C643C644R611R655R656R653R654R657R651R652R649R642R680R682R610R614R612R615R616R617R603R604R601R608R609R606R635R639R638R623R628R625R676R674R678R646R627C6

38、79R685C676C631W651R636W655R683R692R659R658W652C686C630R672C671R673C670W680R688W654C685R686R687C687R136R137C313R192R210R209R412W308R410R409R411R191R542R544C140R408R406R188C508R190C146R222R230R229R221C145R189W307R175R172R186R160R152C166C163R224C213R225R223W331W319R543R541R342R356W303W328R532R534R531R5

39、33C542R536R535R353R354R341R340R349R339R350R355R359C541R351R352C534R538C533C524C510R514 R502 C514C520W326 C512C518C516R520R347R180R173R171C325C522R518R512R516R510R508W325R504R506C506C504C502W305R174R346R179C139R185R159R151R407R405R187R110R102C122R182C134R124R128 C116R122C128C106R127C119R134R133C121R1

40、01R109C133R181R129R123R121C115C105C127R125R517C517C519R511R515R519C515C513C511R509W329C523R126W304R507R501W323R503R505R348C339R403R401R183C107C509 C507R513C501C503C505C326R196R197R198R199C521R402R404R184C165R537114152811415281528141E BEBE BEBEBEBE BEBEBEBEBEBEBE BEBEBEBEBEBEBE BE BEBEBEBEBEBEBEBEBEB

41、EBEBEBEBEBEBEBEBEBEBEBW321R243R241R2451528R247C238C232C234C235R238R293R294R296R295R237C240R24914R248R239R240C231C2371C239C236R235C229R231R233C228R242R232R234C230R236C226C225C233R246R244C227114C86R89R90C92C91C241C242W318R555R556C54C53R7015R69R7128C55R53R55R47R45C41R44R42R43R41C42R48R46C44C43C45R51R49

42、R52R50C46R56R54C48R63C49R60R58C50C47R62R64R59R57C52R61C51Q44Q35Q36Q34Q33Q32Q31IC2IC1D5D6Q43Q12Q5Q4Q7Q6Q1Q3Q2Q9Q11Q10Q8D12D615Q602Q601Q46Q45Q48Q47Q611Q610D601D613D611Q612Q606Q614Q607D3D4Q21Q22Q19Q20Q23Q24Q16Q15Q18Q17D13IC42D2IC18IC4OFFONWHTGRNT.METERFMTUNEDDATASELCLKSELSTBSELD.GNDSTBVOLDATAVOLCLKVOLS

43、W-MUTEA-MUTE115-B+B-B+BATTW54C342C341C37C30C38C40C39C22C21C26C29C25C253C318C322C321C317C254W12C251R17C314W27C348W19C347C349C356C355C346C345C103C104C374C373C377C368C360C359C364C367C363C210C209C204C153C154C159C203C160C111C112W186W164C118C117C532C378C353C361C371C156C206C108W46W11C143C147C144C148W188C17

44、1C172W190W192W189W203W210C211W177W191C137C141C138C142C131C135C132C136W206W211W176W227C531W162C212W205W216W215W214W209W208R358W212W217W15W144W226W21W24R357C260C259W213W157W187W155W185W142W133W228W231W232C350W22W39W40W37W58W65W25W16W33W13W47W17W55W20W23W10W38W50W56W42W36W26W44W14W60W35W43W41W61W48W45W

45、49W66W52W62W59W53W57W63W68W67W29W70W73W64W30W28W32W51W31W34W74W75W76W69W71W72W148W207W105W5W3W2W18W7W6W8W1W131W152W82W81W80W96W89W84W97W130W86W134W93W109W108W123W161W113W92W110W153W112W150W121W120W107W135W137W154W156W90W145W147W132W115W124W104W119W221W218W219W222W163W83W91W103W87W88W85W116W99W223W22

46、4W225W111W149W220W79W78W77W136W143W606W619W622W621W620W617W610W601W9AM RFMPX.FIL.PLLVTFM IFFM DET MPXSRchSLchSELECTORSWchSELECTORR633R634W608W101W250W98W247W102L604R637L609L602W616VR601CF601CF602C610W613W623C649C646C672C632C614C615W624R644L603W602W611C619W615L60181R650C673C607R681C627C617C616C621C62

47、9C628C638C637C623L606L607L610C648R641L605R602R640X601W100R677C688W248W117W249W251W4R694L611R621R622Rch85414185854185145814169811891658581414RchRchLch141411011205588Lch181815118191151188916181541511513016121152212111911458116981458SELECTORR290EB4R292BEW128R298R300R299R29715111W246R291W243W244W24581W2

48、42W236W239W237W238W240W241844C2215C222C2245W174W198W194W202W201W200W146C28515W2294W139W140W160W138W173W141W1781W233W235W234W18215C2861W165W179W175W180W181W184W167W151W168P2W12731C402C401W170W158SELECTORW183W171W166W199W172W19541W15920W196C223W193W169W197W2041LchIC27IC3IC44IC43IC28IC25IC23E1IC21IC22I

49、C24IC31IC47IC30IC53IC29IC26IC48IC52IC51D14WH2WH1J2J6J1CN1CN5CN3IC49CN4CN7E2D612WH601CN11D616A601IC601D604D603D609D605IC602CN12J601E23E24VOLUMECchVOLUMEVOLUMETUNERTONELchRchE601VOLUMEROOMBE11IC19D35Q41Q42E6WH5D24D23E9WH7IC20J7D22D21WH4E5E3WH1WH5E7J21S1E8WH6CN10CN2J3J4PHONESVOLUMEANTENNAPRE OUT/CD2TAP

50、E2MDTAPE1X11 G/7X11 D/7X11 C/7X11 F/7SWCENTERSURROUNDPLAYINVIDEO4PLAYVIDEO3INRECVIDEO2OUTVIDEO2PLAYININVIDEO1PLAYOUTRECVIDEO1X11 B/7PLAYCD1PLAYRECRECPLAYRLSLSRSWCENTERX11-3822-71 A/7(J70-1251-21)PRE OUTKRF-X9992D(K) PCBSD1,2P( 99.11.1 7:03 PM y W 3AEAGAIAKAMAFAHAJALAN2135746Q16Q15Q1Q2Q31Q30IC1Q362Q3