Kenwood-KRFX9992D-avr-sm 维修电路原理图.pdf

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 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. INPUTAUDIOVIDEO 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)Phono 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 and 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 jack (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 (E63-1056-05)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 . 5SCHEMATIC 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 microcomputerThe 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 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 following 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 initial 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 (ANT. 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)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 2chMODE)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/ 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 antennaOscilloscopeDistortion 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)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 7:03 PM y W 1KMOQSLNPRT2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)78D12Q10Q9D10D14D2D1D7D8D13D9D35D34Q51Q52Q48Q47Q46Q45D32Q34Q32Q33D18Q11Q31Q49Q50D11R145R144R159R151R152R157R158R153R154R155R100R106R133R134R142R143R139R140R124R127R131R132R130R128R129R210R211R208R209R212R235R236R239R242R243R240R241R229R226R227R230R234R231R232R183R181R182R188R189R172R180R178R206R207R192R193R190R191R194R195R5R6R3R4R7R8R27R21R22R20R26R23C11C13C16C18C14C31C33R2C40C41C24C19C20C29C30C26R95R85R87R86R82R84R83R98R97R67R68R89R88R96R90R73R74R71R72R77R78R75R76R94R93R80R79R92R91R50R61R62R59R60R65R66R63R53R54R51R52R58L39L41C15C281R48L40R324R319R560R565R566R564R567R466C238C237R467C199R461R459C241C233R465R468R469R434C198C212C211R435C197R428R429R427R426C215C216C207 C208R433R432R436R437C141C188C189R408R409R402R403R401R400R450C195R562C109R399C183C80C78C81C79R505C149C151C148C150C144C143R314R313R312R504R509R373R374R370C76R301C178C72C71C67C68C70R394R396R395R393C175C61C63C176L34C62L33C177C179R389L42C64R410R413R411R412R444R398R443R442R415R416R417C73C75R507R506R569R303C173R392C69R360C119C118C124C117C116C115C120R347R343R340R336C130C128C129C133C134R361C276C125C126C127C123C222C250C228R363R364R362C132C135C122C156L27L26C247R561C139C275C154R545R356L35C226C225R387L32C167L31C166R380R381R383R382R376R378R377C155R379R386R384R385C35C36R523R522R530R524R525R526R527R521R528R529R531R532R538R536R537R534R533R535R543R542R541R540R539R544R349R351R354R355R353C248C249R245R511C131R546R573C287C278C277C28R329C104C102R328R327C85R318R311R487 R486C259 C260C267 C268R320C90R321C93L9L6L10C100R325C86R464C234C242C3C2C89C87C91C180C282R326C101C103C84R458C94R483R482R480R481L38W1L36L37C202R488R489C201R491R490C96R322C264C263R460C200E BE BE BE BE BE BB EE BE BB EE BB EB EE 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CONT.RDSX08-2942-71 (J70-1250-21)IC63.3V AVRprotectionLRCSWLtRtLSRSoutputLPFVIDEO2COAXIALINPUTVIDEO3COAXIALVIDEO4OPTICALOPTICALCD1OPTICALOUTPUTSL16TEXTSYSTEMCONTROLINPUTVIDEO4P2SYSTEM 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 capacitors.PC BOARD (Component side view)109C17C14C15C13C11C12C23C24C18C16C3C2C4C6C5C10C9C7C1C8C32C33C31C27C28C36C34C35R379R387R388R380R378R368R369R367R377R370R36R12R11R10R9R16R15R14R13R3R4R1R2R7C301C302R8R5R6R18R30R31R28R29R34R35R32R33R19R21R20R26R27R24R25R74R75R73R78R76R77C258C257C252R258C305C304C303C306C309C308C307C340C320C319C310C315C316C265C270C263C266C268C267C269R266R265R268R267R253R254R251R252R255R256R269R345R343R344R389R390R305R306R303R304R309R310R307R308R302R273R274R271R272R301R322R323R320R321R326R324R325R319R313R314R311R312R317R318R315R316W311C391C392C386C380C385C379C354C372C362C123C218C217C216C124C220C219C215C169C168C167C158C157C155W312C208C207C125C126C170C205C109C110R227R228R177R178R201R202R167R168R165R166R164R163R162R214R215R212R213R216R217R218R205R206R203R204R207R211R208R361R381R382R362R118R112R113R111R116R117R114R115R156R157R154R155R161R158R132R131R153R103R104R107R108R105R106R383R372W313W314R363R365R385R395C376R386C396C395C375R396C393C394R384W310R391C383C357C381R371C358R373R393R375C366R376C390C389C365R394C387C388R374R366C384R392C382R364W306W309C601R605R607R675C684W688W327R257R337R327R336R335R329R332R334R328R333R330R331R338R693C689R139R138R135R690W653C691C692R691R647R645W684C690W660C636R643R648R618R619R620W685W659C681C605C606C602C603C682C678C675C611C612C625C626C624C642C641C640C613C680C622C652C645C647C650C651C618C620C643C644R611R655R656R653R654R657R651R652R649R642R680R682R610R614R612R615R616R617R603R604R601R608R609R606R635R639R638R623R628R625R676R674R678R646R627C679R685C676C631W651R636W655R683R692R659R658W652C686C630R672C671R673C670W680R688W654C685R686R687C687R136R137C313R192R210R209R412W308R410R409R411R191R542R544C140R408R406R188C508R190C146R222R230R229R221C145R189W307R175R172R186R160R152C166C163R224C213R225R223W331W319R543R541R342R356W303W328R532R534R531R533C542R536R535R353R354R341R340R349R339R350R355R359C541R351R352C534R538C533C524C510R514 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OUT/CD2TAPE2MDTAPE1X11 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