Kenwood-RDVH-7-Service-Manual电路原理图.pdf
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1、673606610652671621607672616620605ejecton/standbymodestereo amplifier/tuner/CD RD-VH7standbytimerphonestuningbanddemo auto/monop.callenter inputstopmulti control609664J1J5J2J1J2J3J4A1631STEREO AMPLIFIER/TUNER/CD PLAYERRD-VH7SERVICE MANUAL(VH-600/700)1999-6/B51-5551-00 (K/K) 3133Knob(EJECT) *(K29-)Dre
2、ssing panel(A21-3760-02)Panel(A60-1647-11)Insulator assy(J02-1444-24)Dressing panel *(A21-)Dressing panel(A21-3761-02)Indicator(B12-0360-04)Knob(K29-7556-04)Escutcheon(B07-2452-13)Front glass(B10-3488-03)Knob(POWER)(K29-7554-04)Power cord bushing(J42-0083-05)Lock terminal board(E70-0052-05)Screw ter
3、minal board(E70-0111-05)Phono jack(E63-1082-05)Oscillating module(W02-1114-15)Rectangular receptacle(E08-0311-05)Phono jack(E63-1089-05)Side plate(A50-1326-02)Phono jack(E63-1088-05)Phono jack(E63-0164-05)AC power cord *(E30-)70%KENWOOD-Corp. certifies this equipment conforms to DHHSRegulations No.
4、21 CFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.In compliance with Federal Regulations, following are repro-ductions of labels on, or inside the product relating to laserproduct safety.*Refer to parts list on page 31.R
5、D-VH7(K) COVER1,1P( 99.10.30 2:43 PM yW2TIMERSLEEPPOWERREPEAT123456789+10 0 +100RANDOMP.MODECHECKCLEARMUTECDMDTAPEINPUTAUTO/MONO TUNER/BANDDISPLAY MEMORY TONEREMOTE CONTROL UNITRC-RP0702N.B.TAPE MDP.CALLO.T.E.VOLUMECONTROLTIMERSLEEPPOWERREPEAT123456789+10 0 +100RANDOMP.MODECHECKCLEARMUTECDMDTAPEINPU
6、TAUTO/MONO TUNER/BANDDISPLAY MEMORYTA/NEWS PTYTONEREMOTE CONTROL UNITRC-RP0702EN.B.TAPE MDP.CALLO.T.E.VOLUMECONTROLAM loop antenna (1)(T90-0842-05)Remote control unit (1)(A70-1282-05) : RC-RP0702Battery cover (A09-1148-08)Remote control unit (1)(A70-1283-05) : RC-RP0702EBattery cover (A09-1148-08)Ba
7、tteries (R6/AA) (2)Replacement front feet (2) (J02-0130-05)Front feet replacement tool(Allen wrench) (1) (W01-0084-05)FM indoor antenna (1) (T90-0841-05)RD-VH72CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES.2DISASSEMBLY FOR REPAIR.3BLOCK DIAGRAM.4CIRCUIT DESCRIPTION.5CD MECHANISM DESCRIPTION.11ADJUSTM
8、ENT.14PARTS DESCRIPTIONS.15PC BOARD.16SCHEMATIC DIAGRAM.19EXPLODED VIEW.29PARTS LIST.31SPECIFICATIONS.Back coverContentsAccessoriesOperation to resetThe microcomputer may fall into malfunction (im-possibility to operate, erroneous display, etc.)when the power cord is unplugged while power isON or du
9、e to an external factor. In this case, ex-ecute the following procedure to reset the micro-computer and return it to normal condition.RD-VH7Unplug the power cord from the wall AC outletand, while holding the “7stop” key depressed,plug the power cord again. CRIf a CD has been loaded in the unit, it w
10、ill beejected automatically.CRPlease note that resetting the microcomputerclears the contents stored in it returns it to conditionwhen it left the factory.System configurationSYSTEMCD CASSETTESPEAKERNAMERECEIVERDECKVH-600RD-VH7-LS-VH7VH-700RD-VH7X-VH7LS-VH7RD-VH7(K) COVER1,1P( 99.10.30 2:43 PM yW3RD
11、-VH73DISASSEMBLY FOR REPAIRREMOVE CD MECHANISMAfter remove insulator assy, then remove some LR side board.Next remove the top and the bottom boards.1) Remove the 6 screws1, then remove the front panel.2) Remove the 6 screws23, then remove the CD mechanism.When assemble the front panel, insert the ph
12、one jack with tak-ing care4.ELECTRIC CHECKAfter assemble the sub panel and the front panel.1) Remove the 8 screws 5, 6, then remove PCB(X09:B/4), PCB(X14:A/6).2) Remove the 2 screws 7, the 3 PC supports8, then remove the CD mechanism.3) After assemble PCB (X09:B/4) on the main PCB with the rear pane
13、l. then connect GND between the rear panel , the anten-na and the CD mechanism with 3 alligator clip wires(0).HRemove the MULTI CONTROL knob with a string(wires etc)-.121x2x442233367711(X14)(A/6)MAINPCB(X09)8x35x35x25 91010106(X09)(B/4)RD-VH7(K) COVER1,1P( 99.10.30 2:43 PM yW6RD-VH74BLOCK DIAGRAMHEA
14、DPHONEJ312VAVRTUNERPACKAM,FMANTENNAFANX-Y POSITIONN.B.BASSTRE.THERMAL SWBIAS Cont.LEVEL SENSORPROTECTION(TILT)SENSORSTK499-090MAIN AMP.Cont.SYSTEMTAPE PLAYMD RECTAPE RECT.MUTEJ1TONESELECTORREC OUTA1J1Q1-3IC2ATTINPUTVOLUMEMASTERIC3BU4066BCFA.MUTEIC1K3K2J5J2Q1,2Q7,8IC8Q5,6,10PH1-4M30622MC-570FPMAIN u-
15、COMLEDTACT KEYM.C/ENCODERREMOCONSENSORS2-13S1A2D11,12DISPLAY u-COMHD6433297A17FLCD ASSYIC4IC5-13VAVR-10VAVRFAN+BAVR+6.3VAVR+5VAVR+5.6VAVR+5.6VAVRMUTEQ12CD MECHA DRIVERFANLCDMUTEBIAS CHANGETUNER PACKAUDIOCDMECHA SENSORLCDDISPLAY u-COMLEDu-COMAMP. +BAMP. -BQ20Q33Q17Q23-26IC10IC6Q22Q28DSP/DACSERV0RF AM
16、P5ch BTLDISCSENSORD10D11D18K1T1BACK UP TRANS.MAIN TRANS.DIGITALDIGITALANALOGIC400IC401IC402MPICKUPMMOTORDISCSLEDMOTORD1-4,Q1-4S1CD SLOT INMECHANISM (CDM-34)200mV/100REC OUT200mV/47KINPUT9.5V/6SP.OUTPUT (2CH)S.W. OUTSPEAKERLC75396NEIC403A4MD PLAYAUXOPTICALOUT(+5V)RDSAC INLOADINGMOTORM+A-DRD-VH7(X14)
17、(X09)(X14)RD-VH7(K) COVER1,1P( 99.10.30 2:43 PM yW71. INITIAL SETTING1-1 INITIAL CONDITIONS(1) AMPPOWEROFFPROTECTIONNO DETECTEDMUTEOFFSELECTORTUNERVOLUME15BALANCECENTERNB2BASS0TREBLE0MD INPUT0 (-6dB)TAPE INPUT0 (-6dB)AUX INPUT0 (-6dB)MULTI WINDOWAUTO(2) TUNERBANDFMPch MEMORYREFER TO (5)LAST Pch LAST
18、 FREQ.LOWER LIMIT VALUE OFEACH BANDSAUTO/MONOAUTOAUTO PRESET (MEMORY)E ON THRUST RECEIVING MODEOFFRDS DISPLAYPS(3) CLOCK, TIMERCLOCKSTOP, AM 12:00PROG. 1,2ON TIMEAM12:00OFF TIMEAM12:00PLAY MODEPLAYSOURCETUNERPch01chREC MODETAPEO. T. T.OFF (AM7:00)TIMER OPERATION MODE OF FSLEEP TIMEROFF(5)A. P. S.OFF
19、(4) CDPLAY MODETRACKREPEATOFFRANDOMOFFOPERATION MODESTOPTIME DISPLAYSINGLE TIME(5) TUNER PRESET FREQUENCYchTUNER DESTINATIONE1K1E31FM97.5MHzFM97.5MHzFM97.5MHz2FM87.5MHzFM87.5MHzFM87.5MHz3FM89.1MHzFM89.1MHzFM89.1MHz4FM108.0MHzFM108.0MHzFM108.0MHz5FM90.0MHzFM90.0MHzFM90.0MHz6FM87.5MHzFM87.5MHzFM87.5MH
20、z7FM87.5MHzFM87.5MHzFM87.5MHz8FM87.5MHzAM1610KHzFM87.5MHz9AM1602KHzAM1700KHzAM1602KHz10AM999KHzAM1000KHzAM999KHz11AM630KHzAM630KHzAM630KHz12AM1440KHzAM1440KHzAM1440KHz13FM106.0MHzFM106.0MHzFM106.0MHz14AM531KHzAM530KHzAM531KHz15FM87.5MHzFM87.5MHzFM87.5MHz16FM98.0MHzFM98.0MHzFM98.0MHz17FM98.5MHzFM98.5
21、MHzFM98.5MHz18FM87.5MHzFM87.5MHzFM87.5MHz19AM990KHzAM990KHzAM990KHz20FM97.7MHzFM97.4MHzFM97.7MHz21AM531KHzAM530KHzAM531KHz22FM87.5MHzFM87.5MHzFM87.5MHz23FM87.5MHzFM87.5MHzFM87.5MHz24FM87.5MHzFM87.5MHzFM87.5MHz25FM87.5MHzFM87.5MHzFM87.5MHz26FM87.5MHzFM87.5MHzFM87.5MHz27FM87.5MHzFM87.5MHzFM87.5MHz28FM
22、87.5MHzFM87.5MHzFM87.5MHz29FM87.5MHzFM87.5MHzFM87.5MHz30FM106.0MHzFM106.0MHzFM106.0MHz31FM87.5MHzFM87.5MHzFM87.5MHz32FM87.5MHzFM87.5MHzFM87.5MHz33FM87.5MHzFM87.5MHzFM87.5MHz34FM87.5MHzFM87.5MHzFM87.5MHz35FM87.5MHzFM87.5MHzFM87.5MHz36FM87.5MHzFM87.5MHzFM87.5MHz37FM87.5MHzFM87.5MHzFM87.5MHz38FM87.5MHz
23、FM87.5MHzFM87.5MHz39FM108.0MHzFM108.0MHzFM108.0MHz40AM999KHzAM1000KHzAM999KHz2. BACKED UP ITEMSAC POWER OFF(1) AMPPOWERBACK UPPROTECTIONCANCELLEDMUTEOFFSELECTORBACK UPVOLUMEBACK UPBALANCEBACK UP5RD-VH7CIRCUIT DESCRIPTION1p 99.10.30 3:08 PM yW16RD-VH7CIRCUIT DESCRIPTIONNB2BASSBACK UPTREBLEBACK UPMD I
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