Kenwood-KRFV4550D-avr-sm 维修电路原理图.pdf
《Kenwood-KRFV4550D-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-KRFV4550D-avr-sm 维修电路原理图.pdf(24页珍藏版)》请在收音机爱好者资料库上搜索。
1、KRF-V4550D/V4550DEKRF-V4550D-SSERVICE MANUAL 2001-1/B51-5701-00 (K/K) 170470%AUDIO VIDEO SURROUND RECEIVERSPEAKER MUTESTANDBYPOWERLISTEN MODESOUNDSOURCE DIRECTAUTOBANDMEMORYINPUT SELECTORVOLUME CONTROLUPDOWNPROLOGIC3 STEREODOLBY DIGITALINPUT MODESET UPDIMMERMONITORPHONESON/STANDBYONOFF6CHINPUTFOR EX
2、TRA DIGITAL AUDIO FORMATMULTI CONTROLDIGITAL INOPTICALDVDCD/DVDVIDEO VIDEO 2COAXIALVIDEO 1VIDEO 2PLAY INREC OUTSYSTEM CONTROLSUB WOOFER PRE OUTAC OUTLETSWITCHEDTOTAL 90W MAXAC 230V50HzFM75GNDAMMONITORPLAY INPLAY INREC OUTAUDIOLRMD/TAPE1CD/DVDPHONOGNDREC OUTFRONTLCENTERSURROUNDSUB WOOFERDVD/6ch INPUT
3、RFRONT SPEAKERSCENTER SPEAKERSKnob *(K29-)Front glass(B10-3679-12)Panel *(A60-)Knob *(K29-)Knob *(K29-)Knob *(K29-)Knob *(K29-)Knob *(K27-)Pin jack (E63-1139-05)Pin jack(E63-1080-05)Miniature phone jack(E11-0293-05)Power cord bushing(J42-0083-05)AC power cord(E30-2942-05)Lock terminal board (E20-032
4、1-05)Pin jack(E63-1143-05)Pin jack(E63-1146-05)Screw terminal board (E70-0122-05)Lock terminal board (E70-0057-05)AC outlet (E03-0149-05)Pin jack(E63-1141-05)Optical receiving module(W02-2716-05)Knob *(K29-)Phone jack(E11-0272-05)Metallic cabinet *(A01-)* Refer to parts list on page 24.RadioFans.CN
5、收音机爱 好者资料库KRF-V4550D/V4550DE/V4550D-S2CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES . 2BLOCK DIAGRAM .3ADJUSTMENT.4PC BOARD . 5SCHEMATIC DIAGRAM . 9EXPLODED VIEW .23PARTS LIST.24SPECIFICATIONS .Back coverContentsFM indoor antenna (1)(T90-0877-05)Remote control unit (1)(A70-1470-05): RC-R0513Batteries
6、 (R6/AA) (2)AM loop antenna (1)(T90-0852-05)Battery cover (A09-1178-08)AccessoriesPlease refer to KRF-V4530D(B51-5597-00) on microprocessor MN101C35DRA4(same function asMN101C35DRA)Resetting the MicrocomputerThe microcomputer may malfunction (unit cannot be operated,or shows an erroneous display) if
7、 the power cord is unpluggedwhile the power is ON, or due to some other external factor. Ifthis happens, execute the following procedure to reset themicrocomputer and return the unit to its normal operatingcondition. Please note that resetting the microcomputer will clear the con-tents of the memory
8、 and returns the unit to the state it was in whenit left the factory.With the power cord plugged in, turn the POWER keyOFF. Then, while holding down the ON/STANDBY key,press POWER.RadioFans.CN 收音机爱 好者资料库KRF-V4550D/V4550DE/V4550D-S3LINE BUFPHONO EQTUNERAK4527LPFLPFLPFLPFx2x2x2x1M62446SP6ch E. VOLwith
9、 2chTONE CONT.x0.5BUFIC113+20/0dB+B HITAP-B HITAP+B LOWTAP-B LOWTAPVIDEO2(VIDEO2/MONI.)VIDEO1CDPHONOMD/TAPEMONIPLAYRECOUTLchH, P, RchH, P, LchRchCchSWchSP-AAC INMUTE+5VA.V.Rforu-COM+15VA.V.RA.V.R-15V+5V+7V-7VA.V.R5Vfor E. VOLu-COMfor FIL AC(AUDIO & VISUAL)TUNER etc.for AMP (HI TAP)for AMP (LOW TAP)f
10、or RELAY SWJ1IC601,602SWITCHEDD101D103D41IC103IC104-30VQ54IC51IC2IC15Q7Q8Q13Q1Q2Q14Q11Q12Q17Q5Q6IC114for INPUT SEL.CIRCUIT(1/2)(2/2)(1/2)(1/2)(2/2)(2/2)IC111IC111IC112IC110IC110IC1126ch INPUTDVDSUB#S5#S2DIG#S4R,LMIX#S3LS,RS#S7NOSUBANA#S1REC OUT BUF.IC107ANALOG RECDIGITAL RECD102A.V.RforDIR etc.A.V.R
11、3.3VIC46J75DSPLchRchCchLSchRSchSWchIC45for DSPA.V.R5VJ1J1K1K2K4LSchRSchJ2J7IC101 orIC102 orCODEC(ADC&DAC)AK4110IC5A1J3OPTICALCD/DVDCOXIALCOXIALDIGITALINAUDIODIGITALRECEIVER6ch INPUTDVDAUDIO IN/OUT20dB AMPIC105(VIDEO2/MONI.)VIDEO1/MDTAPE(VIDEO2/MONI.)MONI./12dB ATT6dB/9dBIC14TACT KEYMAINu-COMIC1RDSIC
12、4LEDENCODERFLBU1923FHNA-11MS24ED1SYNCDIRfor DSP. AD/DA.ANALOG 6chINPUT SELECTORLFEDAAD2BYPASSSWCLS,RSL, RL, RLRCLSRSSWCLS/RSL/R+4700uF4700uF3300uF470uF2200uF3300uF2200uF+2IC222(X07)(X14)(X08)BLOCK DIAGRAMKRF-V4550D/V4550DE/V4550D-S4ADJUSTMENTNo.ITEMINPUT SETTINGSOUTPUTSETTINGSRECEIVERSETTINGSALIGNME
13、NTPOINTSALIGN FORFIG.1DISCRIMINATOR(A)98.0MHz 1kHz, 40kHz dev. Connect a DCvoltmeterbetween1 and 2of CN4 on(X07).MONO98.0MHzL4 (X07)0V3DISTORTION(STEREO)98.0MHz(C) 1kHz, 40kHz dev. Selector : L or R Pilot : 6kHz dev. 70dBf (ANT. input)(B)AUTO98.0MHzIFT(FRONT END : A1)Minimum distortion(L or R)2DISTO
14、RTION(MONO)(A)98.0MHz 1kHz, 40kHz dev. MONO 70dBf (ANT. input)(B)MONO98.0MHzL5 (X07)Minimum distortion4TUNING LEVEL(A)98.0MHz MONO 1kHz, 40kHz dev. 29.2dBf (ANT. input)(B)MONO98.0MHzVR1 (X07)Adjust VR1 andstop at the pointwhere ED1(TUNED) goes on.FM SECTION SELECTOR : FM Adjust NO.1 and NO.2 repeate
15、dly.70dBf (ANT. input)DIGITAL INOPTICALDVDCD/DVDVIDEO VIDEO 2COAXIALVIDEO 1VIDEO 2PLAY INREC OUTSYSTEM CONTROLFRONT SPEAKERSCENTER SPEAKERSSUB WOOFER PRE OUTAC OUTLETSWITCHEDTOTAL 90W MAXAC 230V50HzFM75GNDAMMONITORPLAY INPLAY INREC OUTAUDIOLRMD/TAPE1CD/DVDPHONOGNDREC OUTFRONTLCENTERSURROUNDSUB WOOFE
16、RDVD/6ch INPUTR(A)(B)(C)FM SGFM SGTV SGAGMPXHTBTV MPXAGAGAC voltmeterOscilloscopeDistortion meterDummy antenna(D)SYSTEM CONNECTIONSIC105IC108IC107Q140Q115D130Q113Q116Q139D127D106Q132Q114IC110IC106Q5Q6D117Q12Q11D122D124D115D113D114IC109D112D111D118Q117D128Q142D129Q141Q16D1Q52Q112Q53Q111Q51Q121Q118D12
17、1IC112Q4IC111D108D109D110Q135Q136Q9Q10Q3Q15Q119Q120D120D190D107Q202Q201D201Q211Q210IC203D207D216D213D211Q209Q208Q212Q206Q203Q204Q214Q215Q207IC601PHONO EQ.1W324W523W311R279C245W301R132R131R129R130R136R137R135R133R134R128R120R121R119R117R118R122R126R127R125R123R124R146R145R144R149R148R147R140R139R138R
18、141R142R143R150R151R152C120C121C123C125W336C127C129C131C133C135C124C126C119C130C132C134C136C128R153C140C122C139C102C101R102C106R103R101R104C105R105R106R154R155C143R156C144R339R280R395C248R179C109C110R350R389R387R388R390R320R247R248W108R246R245C188C187R205R340R206C159C160W319R188R202R201R204 R203C249
19、C250R174R180W329W320R173R375R341R328R234R262R225R209R210W330R224R233W302C186R278R220W312R219R256R250C168 C170C169C167C203 C204C224C218R241R239R240R242R197R198R266R276R277R265R196R195C173 C174R164W514W513R162R161R163R332C163W506R329R334R333C157C164R187R177C162R178C265R222C158R175R186R176C152R185R244W
20、305C161R270W306R327R223R221C185R159R243R200R325R199R268R324R257R302R249C191C192R301C213C210W313C211R267C267C228W333R378C227R377R307C197C198C195C196C216C215R308W307W343R281W322R367R170R169R315R370R365R366R368R369W303W328C147R361R362R371R373R372R352R353R269R351R363R336R335W331W332W323R331R330W327R167W
21、326C151R384R326C247R337W317W318R168R166C148R165R356R171R172C222R273R253C205R252C207W340R272R271C220R251R360R254R274R284W310W342C180R216R215C175R213C179C230C229R214R212C176R211R358R217R218R357W325W309R323W321W308R314R313W316W315W341W304R394R392R391R393C268R285W338W334W339W337W335R283R310R309C266R287E
22、BBEB EEBEBEBB EE BEBEBEBE BE BEBE BE BEBEBE BEBEBE BBEBEEBEBE BE BE BE BEB1428151485145814585814418511415281485AM STEREOR75C84C9C92C93C88R89R90C91C89C90C35C83C87W660/R32W653R29C8C58C56C57C61C60C36R43R48R66R63R62R69R67R68R18R19R34R33R20C69C63W685C4W659W681W686C81C5R84C6C1C2C3C82C78C75C11C12C39C25C26C
23、24C42C41C40C30C22C52C45C47C50C51C18C20C43C44R55R79R56R53R54R57R51R52R49R42R80R82R11R14W656R12R15R16R17R10R4R1R5R8R9R6R7R35R39R38R23R28R25R76W683R74R78R47W684R45R46W661R27C31C76C79W651R31R36W655R83C77W662R64R65R60R59R58W652R30C80R72C71R73C70C34C33W682C64R37W680W654R88R85C86C85R86R87C74C606C13E BEBE B
24、 B EEBE BEBE BE BE BEBEBEBIGO18169Q54Q138(WH1)(WH1)Q137CN7J1D103D101D126D125Q134D105Q2WH2CN2WH4WH5WH3Q1D104D102Q17D123Q122Q123IC104Q14Q13Q8Q7WH4WH5WH3WH2CN1J6J5J4J3CN3E2E3CN6Q133J7PRE OUTAUDIOWOOFERSUBPLAY INREC OUTPLAY INREC OUTVIDEO1VIDEO2/MONITORMD/TAPEREC OUTPLAY INCD/DVDPHONOJ2X07-3142-71 A/3 (
25、J70-1370-41)SURROUND SPEAKERSLRCENTERSPEAKERLRFRONTSPEAKERSIC113IC101IC102IC114E1FM DET MPXfor u-COM+5.4V AVRCN5D206A1IC201D204D203D209IC202CN4J8IC602D604CN67CN68CN66CN69D605D603D602Q601D608CN62CN63CN61CN64X07 C/3CN65J61S1AC OUTLETX07 B/3ANTENNAREDBRNYELYELWHTREDBRNWHTR259R184R183C251R312R182W174W18
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Kenwood-KRFV4550D-avr-sm 维修电路原理图 Kenwood KRFV4550D avr sm 维修 电路 原理图