Kenwood-KRFVR3090-avr-sm 维修电路原理图.pdf

《Kenwood-KRFVR3090-avr-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Kenwood-KRFVR3090-avr-sm 维修电路原理图.pdf（29页珍藏版）》请在收音机爱好者资料库上搜索。

1、AUDIO VIDEO SURROUND RECEIVERKRF-V9992DVR-3090/3100SERVICE MANUAL 1999-7/B51-5560-00 (K/K) 1685SYSTEMCONTROLFRONT SPEAKERS(6-16 )CENTER SPEAKER(6-16 )SURROUND SPEAKERSDIGITAL INCD1COAXIALVIDEO 4COAXIALVIDEO 3OPTICALVIDEO 2OPTICALSL 16XS 8( SL 16 ) ( XS 8 )(6-16 ) OPTICALDIGITAL OUTSWITCHEDLRALRLCRBS

2、L 16TEXTIRRECEIVERINRELAYCONTROLIROUTLCDREMOTEIR REPEATER OUTTVON/OFFSENSORLRRRLRANTENNAAM-FM 75GNDCD1PHONOMD/ TAPE 1RECOUTPLAYINRECOUTPLAYINPLAY INPLAY INCD2 /TAPE 2MONITORMONITOR OUTSURROUNDCENTER SUBWOOFERLLRFRONTLRVIDEOS VIDEOVIDEOSECOND ROOM PRE OUTPRE OUTAUDIOVIDEO 3VIDEO 4PLAY INVIDEO 2VIDEO

3、1LRAUDIOPLAY INRECOUT+-AUDIOPHONESINPUT SELECTORVOLUMEDTSDOLBY DIGITALCLIP INDICATORPOWERON/STANDBYABSPEAKERSMUTEDOWNUPDISPLAY MODES VIDEOVL - AUDIO - RCD2 / TAPE2MONITORON OFFAV AUXIndicator(B12-0326-04)Indicator(B12-0333-04)Indicator(B12-0303-24)Panel*(A60-)Knob*(K29-)Knob*(K29-)Knob*(K29-)Front g

4、lass(B10-2418-03)Video cylindrical receptacle*(E56-)Phone jack(E11-0271-05)Phono jack(E63-1030-05)Knob*(K27-)Knob*(K29 -)Lockterminal board(E70-0052-05)AC power cord*(E30-)Miniature phone jack(E11-0373-05)x2Oscillating module(W02-1114-05)AC outlet*(E03-)Screwterminal board(E70-0096-05)Phono jack(E63

5、-0133-15)Phono jack(E63-1028-05)Front glass(B10-2451-03)* Refer to parts list on page 42.Phono jack(E63-1084-05)Phono jack(E63-1005-05)Slide switch(S62-0034-05)Phono jack(E63-0139-15)x2Phono jack(E63-0200-05)Phono jack(E63-0136-15)x2Power cord bushing(J42-0083-05)Screw terminal board(E70-0095-05)Opt

6、ical receiving module(W02-1181-05)x2Video cylindrical receptacle(E56-0011-05)x2Miniature phone jack(E11-0360-05)Phono jack(E63-0162-05)x2Miniature phone jack(E11-0291-05)Miniature phone jack(E11-0374-05)x2Phono jack(E63-1008-05)Note: Keep this manual with the previous manual (B51-5426-00).70%?RadioF

7、ans.CN 收音机爱 好者资料库2KRF-V9992D/VR-3090/3100FM (T90-0841-05) indoor antenna (1)Remote (A70-1285-05)(RC-R1008)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)* AC (E03-0115-05) plug adaptor (1)* Use to adapt the plug on th

8、e power cordto the shape of the wall outlet. (Accessoryonly for regions where use is necessary.)CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS.2ADJUSTMENT. 3PC BOARD .5SCHEMATIC DIAGRAM .13EXPLODED VIEW .41PARTS LIST.42SPECIFICATIONS .44ContentsAccessoriesCOMPARISON TABLECautions

9、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 with the keypressed or due to other external causes. In this case, execute theprocedure on the right

10、to reset the microcomputer and return theunit to the normal condition.1 Unplug the power cord from the wall outlet.2 While holding the (ON/STANDBY) key depressed, plug thepower cord into the wall outlet again.?Resetting the microcomputer clears the memory you entered andreturns it to the initial con

11、dition when the unit left the factory.U.S.A. and Canada1 With the power cord plugged in, turn the POWER key OFF.2 Whill holding down the ON/STANDBY key, press POWER key.Expect for U.S.A. and CanadaPlease note that the following items will be deleted fromthis units memory if the power cord is disconn

12、ectedfrom 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 sel

13、ected.?The volume setting is cleared and the volume is set to “-66 dB”.?The receiving band setting is cleared and the “FM” band isselected.CAUTION:This manual is not available for informations, disassembly for repair, circuit description,adjustment and wiring diagram. Please refer to KRF-V7771D serv

14、ice manual(B51-5426-00).Also parts list is written a different part from B51-5426-00 manual.VR-2080VR-3090VR-2090VR-3100KRF-V8881DKRF-V9992DX07X07-2940-10X07-2940-10X07-2940-10X07-2940-10X07-2940-21X07-2940-21X08X08-2850-10X08-2852-92X08-2850-11X08-2850-11X08-2850-22X08-2850-22X11X11-3800-10X11-3803

15、-81X11-3800-11X11-3802-91X11-3800-21X11-3800-71X25X25-6040-10X25-6042-71X25-6040-11X25-6040-11X25-6040-22X25-6040-22?RadioFans.CN 收音机爱 好者资料库3KRF-V9992D/VR-3090/3100ADJUSTMENTSYSTEMCONTROLFRONT SPEAKERS(6-16 )CENTER SPEAKER(6-16 )SURROUND SPEAKERSDIGITAL INCD1COAXIALVIDEO 4COAXIALVIDEO 3OPTICALVIDEO

16、2OPTICALSL 16XS 8( SL 16 )( XS 8 )(6-16 ) OPTICALDIGITAL OUTSWITCHEDLRALRLCRBSL 16TEXTIRRECEIVERINRELAYCONTROLIROUTLCDREMOTEIR REPEATER OUTTVON/OFFSENSORLRRRLRANTENNAAM-FM 75GNDCD1PHONOMD/ TAPE 1RECOUTPLAYINRECOUTPLAYINPLAY INPLAY INCD2 /TAPE 2MONITORMONITOR OUTSURROUNDFRONTCENTER SUBWOOFERLLRLRVIDE

17、OS VIDEOVIDEOSECOND ROOM PRE OUTPRE OUTAUDIOVIDEO 3VIDEO 4PLAY INVIDEO 2VIDEO 1LRAUDIOPLAY INRECOUT+-AUDIO(A)(B)(C)FM SGFM SGAGMPXAGAC voltmeterDummy antennaOscilloscopeDistortion meterNo.ITEMINPUTSETTINGSOUTPUTSETTINGSRECEIVERSETTINGSALIGNMENTPOINTSALIGN FORFIG.1DISCRIMINATOR(A)98.0MHz 1kHz,75kHz d

18、ev.70dBf (ANT. input)Connect aDC voltmeterbetween CN12 1and CN12 2 (X11)MONO98.0MHzL604(X11)0V2DISTORTION(MONO)(A)98.0MHz 1kHz,75kHz dev. MONO70dBf (ANT. input)(B)MONO98.0MHzL605(X11)Minimumdistortion3DISTORTION(STEREO)(C)98.0MHz 1kHz,67.5kHz dev.Selector : L or R Pilot: 7.5kHz dev.70dBf (ANT. input

19、)(B)AUTO98.0MHzIFT(RFFRONTEND: A1)Minimumdistortion (L or R)4TUNING LEVEL(A)98.0MHz MONO1kHz, 75kHz dev.15dBf (ANT. input)(B)MONO98.0MHzVR601(X11)Adjust VR601and stop at thepoint where ED1(TUNED) goeson.1DISTORTION(STEREO)(C)98.0MHz 1kHz,67.5kHz dev.Selector : L or R,Pilot: 7.5kHz dev.70dBf (ANT. in

20、put)(B)AUTO98.0MHzIFT(TUNER UNIT: A601)Minimumdistortion(L or R)2TUNING LEVEL(A)98.0MHz MONO1kHz, 75kHz dev.15dBf (ANT. input)(B)MONO98.0MHzVR601(TUNER UNIT)Adjust VR601and stop at thepoint whereED1 (TUNED)goes on.FM SECTION : Except M type SELECTOR : FM *Adjust NO.1 and NO.2 repeat.FM SECTION :M ty

21、pe only SELECTOR : FM SYSTEM CONNECTIONS?4KRF-V9992D/VR-3090/3100ADJUSTMENTNo.ITEMINPUTSETTINGSOUTPUT SETTINGSRECEIVERSETTINGSALIGNMENT POINTSALIGN FORFIG.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 : S

22、L7, 8 pin : SR9, 10 pin : C(FRONT 2chMODE)Volume:0VR1(L)VR2(R) VR3(SL) VR4(SR)VR5(CENTER)(X07-)10mV?ABDFHJCEGI2135746X07-294X-XX A/8 (J70-1153-11)CENTERSPEAKERSURROUNDSPEAKERSLRBAFRONT SPEAKERSLRLRBBEEEEBBBBEEEEBBBBEEEEEBBBBEEEBB129BEBEX07H/8X07G/81313X07 E/8X07 B/8X07 F/8X07 D/8IGOEBX07C/8BE12AC OU

23、TLET16EBBEBEBEBEEB110EBEBEBEBEBBEBEBEBEEBBEBE1316EB115EBEBEBEBBEBE13EBBEEEBB1313POWERRefer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)56KMOQSLNPRT2135746TGRDSCKRST11SLchSRchCchSWchCONFIGDR1LchRch1DSIDOSRSTDSODSIDRDSODSI11111151151131511DTSAC-3RSTD

24、RDSIDSODSCKRSTR788R574R552R576R575R786C861C862R787R978R977R533C614C463C464C609C627C632C635C629C541C538X2C567C601C604C605C586C570C640C442C441C401C652C405C406C402C539C540C607C606C610C611C569C568C603C602C608C926L1L2C419C420R516C515C518C517C516C851C906C907C908C954C953SRchFLchFRchSLchX3X6X4C633X1DSCKR2R9

25、39R940R938R937R936R935R956C863R957C864C865L55C859C932C885R962R963R965C929R958R959R752R979R980C875W6C884L27L28C894C895W4C948C898R968L62L61C584L701C947R971R972C910R973C909R998C916R982R983L702R984C917R985C930C853C852C449C448C447C801C802C634C450C451C452C641C403C404C444C443C549C548C547C993C550C934C502C58

26、3R842C556C554C559C557C521C534C533C537C536C528C527C526C529C469C470C471C466C472C473C474C465C624C623C622C625C616C577C576C575C579C578C592C582C933C943C942L65L66C935C936C931R995R996R994C951C950R714R715R716R711R7101115GGIIOOGGIIOOGGIIOGIOO191513R709R733R734R735R730R736R729R656R657R658R650R651R652R669R692R6

27、75R676R680R681R677R678R818R819R820R815R816R817R824R821R823R814R802R811R812R813R831R832R829R830R835R836R760R761R757R758R762R763R755R746R748R743R744R745R749R750R751R783R784R799R800R801R780R781R778R504R455R456R460R457R458R459L53L54L58R525R526L52R535R536L59R532R518R522R523R519R521R450R404R403R441R442R44

28、3R439R440R449R444R433R434R538R609R610R607R608R597R598R599R595R596R604R605R600R601R618R634R635R636R640R637R638R639R622R623R619R620R621R556R557R558R553R554R559R560R561R542R543R544R539R540R545R546R590R591R592R588R589R569R570R567R568R567R572R573C422C427C428C421R423R424C630C854C503C504C505C506C514C513C51

29、0C511R502R501R508R509L50R505R506L51R515W5L56L57C501C571C636R930EBBEEB10030318180505111415288916118061604140212011689981611202140416061801148711011201161732141528110112018061604140212061801202140416018916114784434332322121114581458458154181781481694581345EBBEBEX5C899IC66IC89IC87IC68IC92IC60IC72IC62IC

30、55IC58IC53IC67IC70P1WH3CN11J15E3IC63IC57IC61IC65IC64CN14CN12CN15X08-2850-10 (J70-1143-51)CN16A3A2A1J11IC73CN17CN13CN19J16J17S1MAIN MI-CONSUB MI-CONDSPDSPDSPADC/DACRDSIC76IC78IC80IC74D201D54D205IC90D109Q64Q65Q56Q57Q58Q60IC54D59D52D51D72D76D75D61XS8XS8SL16SYSTEMCONTROLSL16SL16TEXTOPTICALDIGITALOUTDIGI

31、TALINVIDEO2OPTICALVIDEO3OPTICALVIDEO4COAXIALCD1COAXIALD63D60D58D208IC56IC71IC52IC59IC69IC86IC85D103Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)78BEEBBEBEBEEB11415281141528BEEBEBBEEBBEBEBEBEEBBEBE1412815EBBEBEBEBEBEBEBEBEBE41X11 F/7X11 D/741BE

32、EB51X11-3800-10 A/7 (J70-1198-11)RLCENTERREC OUTPLAY INCD2/TAPE2/MONITORSUBWOOFERPRE OUTMD/TAPE1PLAY INREC OUTCD1AUDIO85411151181458148514584581169181818148514581891614588541201101118115191141528BEEBEBBE91618BEBEEBEBBEBEEBBEBEPHONESIR OUTLCD REMOTEIR RECEIVERINSENSORRELAYCONTROLTV ON/OFFIR REPEATERO

33、UT1931X11 G/7X11 E/7X11 C/7X11 B/7SECONDROOMPRE OUTPLAY INVIDEO4VIDEO3PLAY INREC OUTVIDEO1PLAY INVIDEO2PLAY INVIDEO1AUDIO145820114ANTENNACH. SPACEDE EMPHASIS221211111516301215118916145819548115116198158UVXZABADWYAAAC2135746Refer to the schematic diagram for the value of resistors and capacitors.PC B

34、OARD(Component side view)910KMOQSLNPRT2135746L67R944L68R1C893C945C889C888L73C939C940C886C876R753R981W1W2R951W3R952R955R953R954C878C879L10L9C881C880C941C882C883C938C937C887C946C890R976R986C918R987R988C750C752C753C637C631C646C645C642C416R991C552C551C543C553C558C523C522C532C531C530C615C613C944L21L22L12

35、L11R997R713R712R701R702R699R697R698R703R704R739R740R741R738R720R717R718R719R726R727R723R724R725R696R659R660R661R662R666R667R668R663R664R665R646R647R648R643R644R645R649R653R654R686R687R688R683R684R685R689R693R694R695R673R674R670R671R672R682R679R742R805R806R807R804R808R809R810R852R846R847R845R840R759R

36、765R767R768R764R747R754R769R793R794R795R796R797R798R770R771R779R777R534R517R611R606R615R616R617R612R613R614R594R603R602R631R632R633R641R642R624R628R629R630R625R626R627R593R584R585R586R581R582R583R578R571R655R587R580R577R902R901C754C520C508C507C509R844R913R915R911R931R912R909R914R919R918R917R916R920R

37、908R907R904R903R906R905R910C858C857C868C870C872C955L74C952C560C561C901R834R565R564R562R563C585C580C581R990R989R967L64L70C594R566C588C587C905L31L32C904L69C919C920C921L63C927C928C595C596L71R737R732R803C628C922L6C900C571C572C573C574L72R436R438R437R435R451R453R454R452R414R416R426R418R422R421C425R417R415

38、R413C437C438R921R922R923R924C445C459C460C446C467C468C481C482R782C620R785C621C626 C896R966C651 C897R943R851C415R3R993C956C925C924R992C911C949L29E BE BEBE BEBE BBEEEBBE BR579D203D202D65D64Q63D108Q66Q52Q51Q54Q53Q67D62D53Q55D207Q68D204D206Q69D111D110TGRDSCKRST11SLchSRchCchSWchCONFIGDR1LchRch1DSIDOSRSTDS

39、ODSIDRDSODSI11111151151131511DTSAC-3RSTDRDSIDSODSCKRSTR788R574R552R576R575R786C861C862R787R978R977R533C614C463C464C609C627C632C635C629C541C538X2C567C601C604C605C586C570C640C442C441C401C652C405C406C402C539C540C607C606C610C611C569C568C603C602C608C926L1L2C419C420R516C515C518C517C516C851C906C907C908C954

40、C953SRchFLchFRchSLchX3X6X4C633X1DSCKR2R939R940R938R937R936R935R956C863R957C864C865L55C859C932C885R962R963R965C929R958R959R752R979R980C875W6C884L27L28C894C895W4C948C898R968L62L61C584L701C947R971R972C910R973C909R998C916R982R983L702R984C917R985C930C853C852C449C448C447C801C802C634C450C451C452C641C403C40

41、4C444C443C549C548C547C993C550C934C502C583R842C556C554C559C557C521C534C533C537C536C528C527C526C529C469C470C471C466C472C473C474C465C624C623C622C625C616C577C576C575C579C578C592C582C933C943C942L65L66C935C936C931R995R996R994C951C950R714R715R716R711R7101115GGIIOOGGIIOOGGIIOGIOO191513R709R733R734R735R730R7

42、36R729R656R657R658R650R651R652R669R692R675R676R680R681R677R678R818R819R820R815R816R817R824R821R823R814R802R811R812R813R831R832R829R830R835R836R760R761R757R758R762R763R755R746R748R743R744R745R749R750R751R783R784R799R800R801R780R781R778R504R455R456R460R457R458R459L53L54L58R525R526L52R535R536L59R532R51

43、8R522R523R519R521R450R404R403R441R442R443R439R440R449R444R433R434R538R609R610R607R608R597R598R599R595R596R604R605R600R601R618R634R635R636R640R637R638R639R622R623R619R620R621R556R557R558R553R554R559R560R561R542R543R544R539R540R545R546R590R591R592R588R589R569R570R567R568R567R572R573C422C427C428C421R42

44、3R424C630C854C503C504C505C506C514C513C510C511R502R501R508R509L50R505R506L51R515W5L56L57C501C571C636R930EBBEEB10030318180505111415288916118061604140212011689981611202140416061801148711011201161732141528110112018061604140212061801202140416018916114784434332322121114581458458154181781481694581345EBBEBE

45、X5C899IC66IC89IC87IC68IC92IC60IC72IC62IC55IC58IC53IC67IC70P1WH3CN11J15E3IC63IC57IC61IC65IC64CN14CN12CN15X08-2850-10 (J70-1143-51)CN16A3A2A1J11IC73CN17CN13CN19J16J17S1MAIN MI-CONSUB MI-CONDSPDSPDSPADC/DACRDSIC76IC78IC80IC74D201D54D205IC90D109Q64Q65Q56Q57Q58Q60IC54D59D52D51D72D76D75D61XS8XS8SL16SYSTEM

46、CONTROLSL16SL16TEXTOPTICALDIGITALOUTDIGITALINVIDEO2OPTICALVIDEO3OPTICALVIDEO4COAXIALCD1COAXIALD63D60D58D208IC56IC71IC52IC59IC69IC86IC85D103Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)78AEAGAIAKAMAFAHAJALAN2135746C372C370C354C358C356C362C376R3

47、56R354R352C707C706C602C604C608C702C703C701C110 C109C137C117C605C607C606C138C16C15C455C14C13C12C2C812R362R368C813C814R380C227R366C1R364C815C206C205C11R710R708R711R701R702R706R707R705R139R138R136R128R126R131R132R159R114R113R225R226R214R215R213R211R216R183R158R204R203R209R210C108 C107R208R207R111C371C6

48、01C369C609C612C353C611R110R112C106C357C105R141R140R107R108C104 C103R105R104C112 C111R117R116R118C113R121R120C102C101R143R142R101R102R631C355C361C375R355R353R351R361R367R379R365R363C411C410C402C404C403C406C413R403R402R401C322C320C304C308C306C312C326R306R304R302R312R318R330R316R314C319C303C307C305C311

49、R305R315R313C121R630R628R629R621R622R620R618R619R627R623R611R612R610R617R615R613R614R601R606R607R406R409R415R408R407R414R220R378R218R219C610R217R310R359C212C211C201C202R377R19R20R9R10R15R16C21C22R913R914R915R205R202R124R206C705R1R109R115R129R916C153R133R119C154C129R360R212R703R405R221R328R308R357R32

50、7C24C23C633R602C629C630C631C632C621C208C704C622R665R664R663R662R657R654R659R658C207R650R603C624R649R648R647R646R645R644R643R642R641R227R633R632R223R634C628C627R103C626C625C620C619C623C708L2L1C614C613C615C617C618C829R358R404R666R661R660R656R655R653R652R651R636R635R637R638R639R640R123C152R416R709R222R