Kenwood-RXD-702-Service-Manual电路原理图.pdf

PHONESAUTO REVERSEDIRECT PROGRAM SEARCH SYSTEMAPLAYBREC/PLAYAUTO REVERSEDIRECT PROGRAM SEARCH SYSTEMMENUDISCSKIP0PUSHOPENMINI HI-FI COMPONENT SYSTEMXD-552EX.BASSSELECTENTERINPUTDISPLAY/DEMOMIC VOLMIN.MAX.MICBACKBANDTUNING MODE1&#REV. MODEREC/ARMTAPE EQ.0PUSHOPENABDISC3DISC0OPENVIRTUAL&1DISC2R D SON/STANDBYSOUNDCONTROLMULTICONTROLMIC VOL.DOWNDOWNUPVOLUMECONTROLUPSTANDBYTIMERPRO LOGIC3 STEREOPanel assy(CD) *(A29-) Knob *(K29-)Front glass*(B10-)Knob *(K29-)Knob *(K29-)Panel assy *(A60-)Cassette lid assy (R) *(A53-)Cassette lid assy(L) *(A53-) Phone jack(E11-0280-05)MINI HiFi COMPONENT SYSTEMRXD-652/652E/652W/702/702E/702W/752/752E/RXD-752W/772S/852/852E/852W/A81/A601/A701(XD-652A701) * SERVICE MANUAL©1999-3/B51-5517-00 (K/K)3590* Refer to parts list on page 55.In compliance with Federal Regulations, following are reproduc-tions of labels on, or inside the product relating to laser productsafety.*Refer to page 2 if you want to know system configuration.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlock defeated.AVOID DIRECT EXPOSURE TO BEAMRXD-652(K) INT 1P 99.6.9 8:02 PM yW2SYSTEMMAINUNITDESTI-NATIOSPEAKERSPEAKERSP CORDPSRTS NoXD-A601RXD-A601KPLS-N472CRS-N572E30-5535-05XD-652RXD-652MXELS-N472CRS-N572E30-5535-05XD-652ERXD-652EE1LS-N472CRS-N572E30-5535-05XD-652WRXD-652WQLS-N472CRS-N572E30-5535-05XD-A81RXD-A81KPLS-N752-E30-5549-05XD-752RXD-752YMXTELS-N752-E30-5549-05XD-752ERXD-752EE1LS-N752-E30-5549-05XD-752WRXD-752WQLS-N752-E30-5549-05XD-702RXD-702ELS-N702-E30-5549-05XD-702ERXD-702EE1LS-N702-E30-5549-05XD-702WRXD-702WQLS-N702-E30-5549-05XD-772SRXD-772SM1LS-N752-E30-5549-05XD-A701RXD-A701KPLS-N572CRS-N572E30-5535-05XD-852RXD-852YMXTELS-N572CRS-N572E30-5535-05XD-852ERXD-852EE1LS-N572CRS-N572E30-5535-05XD-852WRXD-852WQLS-N572CRS-N572E30-5535-05VOLUMECDTAPEMUTERC-752EREMOTE CONTROL UNITTIMEINPUTBANDPTYTA/NEWS RDS DISP. POWERTAPEA/BRANDOM REPEAT TEXT DISP.TUNING61 2 34 5 67 8 90 +1032 147MU LT I C O N T R OL¢DISC SKIPSOUNDCONTROLSUPERWOOFERMENUBACKSELECTENTERPOWERREMOTE CONTROL UNITRC-852ETUNING 1 CD 6SOUNDCONTROL1LISTENMODE2 34 5 67 8 90 +10 BANDTEXT DISP.INPUTEX.BASSTAPE 327TAPEA/BTIME RANDOM REPEATDISC SKIPTA/NEWS RDS DISP. PTYVOL UM E D O WNVO LU M E UPBACKENTERBACK MUTEMENUSELECT42¢3MULTI CONTROLFM indoor antenna(1)AM loop antenna(1)Speaker cords (2)Remote control (A70-1298-05): RC-752E (A70-1289-05): RC-852EBattery cover (A09-1135-08)Battery cover (A09-0399-08)unit(1)Remote control unit(1)Use to adapt the plug on the power cord tothe shape of the wall outlet.(Accessory only for regions where use isnecesary.)AC plug adaptor (1)Batteries (T90-0836-05)(T90-0837-05)(E03-0115-05)(R6/AA)(2)Provided in the speaker package RXD-652/702/752/772S/852/A81/A601/A7012CONTENTS / ACCESSORIESCONTENTS/ACCESSORIES.2EXTERNAL VIEW/DISASSEMBLY FOR REPAIR.3BLOCK DIAGRAM.4CIRCUIT DESCRIPTION.5ADJUSTMENT.10WIRING DIAGRAM.12PARTS DESCRIPTIONS.13PC BOARD.14SCHEMATIC DIAGRAM.25EXPLODED VIEW.51PARTS LIST.55SPECIFICATIONS.68ContentsAccessoriesSystem configurationMAIN UNITDESTI-NATIONREMOTECONTOROLLERBATTERYCOVERMODELNAMERXD-A601KPA70-1288-05A09-1135-08RC-852RXD-652MXA70-1288-05A09-1135-08RC-852RXD-A701KPA70-1288-05A09-1135-08RC-852RXD-852YMXA70-1288-05A09-1135-08RC-852RXD-652EA70-1289-05A09-1135-08RC-852ERXD-652EE1A70-1289-05A09-1135-08RC-852ERXD-652WQA70-1289-05A09-1135-08RC-852ERXD-852TEA70-1289-05A09-1135-08RC-852ERXD-852EE1A70-1289-05A09-1135-08RC-852ERXD-852WQA70-1289-05A09-1135-08RC-852ERXD-A81KPA70-1297-05A09-0399-08RC-752RXD-752YMXA70-1297-05A09-0399-08RC-752RXD-772SM1A70-1297-05A09-0399-08RC-752RXD-702EA70-1298-05A09-0399-08RC-752ERXD-702EE1A70-1298-05A09-0399-08RC-752ERXD-702WQA70-1298-05A09-0399-08RC-752ERXD-752TEA70-1298-05A09-0399-08RC-752ERXD-752EE1A70-1298-05A09-0399-08RC-752ERXD-752WQA70-1298-05A09-0399-08RC-752ERemocon configurationRXD-652(K) INT 1P 99.6.9 8:02 PM yW321x21x23x23x23x33x2496783x25RXD-652/702/752/772S/852/A81/A601/A7013EXTERNAL VIEW / DISASSEMBLY FOR REPAIREXTERNAL VIEWDISASSEMBLY FOR REPAIRLGNDFM75½AMANTENNAMD REC OUTPUTMD/DVD INPUT+-+-FRONTSPEAKERS(6-16½)SUPERWOOFERPRE OUTRRLLRDIGITALOUTOPTICALCENTER SPEAKER(6-16½)SURROUND SPEAKERS(12-16½)+-LRSURROUNDSPEAKERS(8-16½)SURROUND+-LRLRSUPER WOOFERSPEAKERS(6-16½)RLRXD-702/E/W/752/E/W/772S/A81Cover(F07-1660-01)Lock terminal board(E70-0045-05)Lock terminal board(E70-0110-05)Lock terminal board(E70-0046-05)Metallic cabinet(A01-3656-01)Lock terminal board(E20-0321-05)Phono jack(E63-1037-05)Oscillating module(W02-1114-05)Check the X07 PCB1. Remove the 4 screws (1), then removethe hook (2)of the cover and the cover.2. Remove the 11 screws(3), then removethe X07PCB.3. Put the cover (4) and the X07PCB (5) onthe power transformer.4. Connect GND between the rear panel andthe X07PCB with an alligator clip wire(6).How to remove the JOG knob5. Push the JOG knob by a inserting +screw driver in the hole of the front panelback(7).How to the tray if not comes out6. Turn the friction arm fully counterclockwiseusing a screw driver and the like (8).7. Pull out the tray front wards by hand whenthe tray just comes out(9).Slide switch(S62-0077-05)RXD-652(K) INT 1P 99.6.9 8:02 PM yW6APBB R/PB ERASEBIASOSC CTRLBIASVR5HA12219NTIC1HA12136AIC2MPXDPSSIC4HD74HC166PFL DISPLAYED1M66004SPIC51DRIVERREMOCONA1D52TIMERD51STANDBYKEYMATRIXENHANCED ICFOR LEDIC52,53JOG A JOG B VOL.BU2090+12VAVRQ4AVRQ3-12V-12V+12VAVRIC2+5VAVRIC1+9VRDSCD +9V-BGND+B-35VAVRQ8FL-REFFL -35VQ2+5.6V AVRuCOMFAST OFFFL ACICforPOWERRF AMPCXA1571MIC5E-VOLTUNERDECKTUNERE-VOLFL IC +5Vu-COMPULL UPDRIVERTRACKING COIL4ch BTL DRIVERBA5979SDRIVERFOCUS COILDRIVERFEED MOTORDRIVERDISC MOTORIC6ABCEFSWLDQ501DSP.SERVO.CXD2587QIC7DACCD +5VCD +9V(DSP,RF)Q505FMDMTA8409S(ROTARY TRAY)TA8409S(LOADING)LMRMIC8IC9M30622MC-525FPu-COM ICIC1IC2K1120V 240VMD/DVD MD RECJ1SURROUND 3BAND TONEEX-BASSM62492FPSELECTOR,RDSDEMODULATORIC3 (T,E,Q TYPE ONLY)SAA6579T/RMODULETUNERANT.POLARUNITS1OFFONON/OFFMATRIXK1RELAYSPEAKERch.OTHERPRE OUTSUBLchRchFRONT SP.M TYPE ONLYOPTICAL OUTPUTA501INPUTOUTPUT0.4V/47K 1.0V/10KEXCEPT USED(K,P)TYPEIC3C33,34L1,2BIASVR3,4Q11,12 Q4Q13,14Q10Q6,8DOLBY BRXD-652/E/WEXCEPT USEDL3,4IC6DOLBYPROLOGICIC10OTHER CH. SURROUND,TON,E-VOLJ1IC11(2/2)IC12(1/2)IC12(2/2)IC11(1/2)Q1,2Q6Q5Q3,4Q8Q7LPFIC3(2/2)IC3(1/2)LPFIC1IC2(1/2)IC2(2/2)A1IC13Q301-303,305-307LchRchRchLchK2-BVGND+BVD2D15-18D1D3S2S1AC INS28 S29 S27RXD-852/E/WRXD-652/E/WRXD-A601/A701USEDRXD-A601/A701RXD-852/E/WRXD-652/E/WEXCEPT USEDIC5RXD-652/E/WUSEDEXCEPT USEDRXD-652/E/WRXD-852/E/WRXD-A601/A701LEVELRECJ1SUPER WOOFER SP.SURROUND SP.CENTER SP.SURROUND SP.(MATRIX)SP.OUTPUTJ2RXD-652/E/WRXD-A601/A701RXD-852/E/WUSEDJ41RXD-852/E/WRXD-A601/A701RXD-652/E/WUSEDEXCEPT USEDRXD-652/E/WRXD-A601/A701RXD-852/E/WRXD-652/E/WRXD-852/E/WRXD-A601/A701USEDRXD-852/E/WRXD-A601/A701RXD-652/E/WEXCEPT USEDJ3RXD-A601RXD-A601EXCEPTQ TYPEUSEDRXD-A601/A701RXD-852/E/WRXD-652/E/WUSEDMODELRXD-652/E/WOTHER 2.0V/6001.8V/600RXD-A601OUTPUTWOOFERBAREQ EQBIAS TRAPPH A,BMOTOR AMOTOR BMOTORSOL A,BSPEEDTAPEA/BMOTORSOL A,BVR7,8LEVELB PBLEVELVR1,2A PBPH A,BB.CANCELBIASNORA-N/CA/BB1/2DOLBYR/P DPSSA,B CrCO2L RECR RECA,B PACKA,B PLAYPSINCLKPSLOADGRIDSEG1635CLKCSDATAKEY3KEY2KEY1DATA1/2CLK15LEDA JOG1/2 1/2B JOG1/2ENC+RF.FE.TE16.93MHZLOM+/-ROM+/-PHTRTD/TUCL/OPPSWMAIN10MHzSUB32.768KHzDATACLK MPXTAPE RECCLKLATchDATADIGITALANALOGFL/FRSCMUTE-20dB+ 21.9V/6RXD-A601RXD-A701RXD-852/E/W 13.4V/613.4V/610.95V/620.5V/620.5V/617.3V/6 10.95V/1213.4V/1213.4V/121kHz,1.0%18.2V/6RXD-652/E/WMODEL10.95V/61kHz,10%17.3V/61kHz,10% 1kHz,10%10.95V/122CH FRONT SURROUNDCENTERSTEREO SURROUND21.9V/617.3V/61kHz,0.9%1kHz,1.0%RXD-702/E/WRXD-752/E/W1kHz,0.9%24.5V/6RXD-772SRXD-A81MODELSTEREOFRONT S.WOOFER60Hz,10%21.9V/6 24.5V/624.5V/6HP DETMECHA.DECK(X28)(X14)(X00)(X14)(X04)(X13)MGC-E9001CD MECHA.Q TYPE ONLYRXD-852/E/W(X07)RXD-752/E/WRXD-702/E/WRXD-652/E/WRXD-A701RXD-A601RXD-A81RXD-772SRXD-652/702/752/772S/852/A81/A601/A7014BLOCK DIAGRAMRXD-652(K) INT 1P 99.6.9 8:02 PM yW7RXD-652/702/752/772S/852/A81/A601/A7015CIRCUIT DESCRIPTION1. Initialization1-1 Setting of initial conditionsWhile pressing the ENTER key, put the plug into an ACpower outlet.1-2 Initializing operationA microcomputer is initialized for start when the ACpower is turned on when pressing the ENTER key. Atthat time, CD mechanism and CASSETTE mechanismare also initialized.During the initial operation,the display shows INITIALIZEand after that it will be returned to STANDBY condition.1-3 Initial items and back up data*BACKED UP DATA1-4 Mechanism initialization1-4-1 CD mechanismDisc unclamps(traverse down).Rotary tray rotates(1/3 rotation).If a mechanism error occurs, CD ERR is indicated on thedisplay.1-4-2 DECK mechanismWhen initial condition becomes NG for the third time,decide the error. The error condition is displayed as XERR on the display.1-4-3 Error displayIf both mechanism (CD/DECK) error occur, the display isindicated as follows. CD & X ERR 2. Destination list of TUNERITEMS*POWERSTANDBY*VOLUME14*BALANCECENTERMUTINGOFFPROTECTIONOFFS. DIRECTOFFSUPER WOOFER (RXD-752/E/W)+3DISPLAY MODEAUTOAMP*AUTO POWER SAVEOFF*MD/DVD INPUT LEVEL-3*INPUT SEL.TUNER(LISTEM MODE)DOLBY PROLOGICOFFDOLBY 3STEREOOFFDOLBY VIRTUAL SURROUNDOFFCENTER SP.EXIST(SMALL)SURROUND SP.EXISTDELAY TIME20 msec.*BANDFMTUNER*FREQUENCYLOWEST FREQUENCY*AUTO/MONOAUTO*P.CH-CH*CLOCK0:00 (E/T/Q) 12:00 (OTHERS)CLOCK*PROG. RECORDINGON/OFF TIME0:00 (E/T/Q) 12:00 (OTHERS)*PROG. TIMER PLAYON/OFF TIME 0:00 (E/T/Q)12:00 (OTHERS)*PROG. EXECUTIONOFFSLEEP TIMEROFFO.T.T.OFF*DIRECTIONFORWARDDECK*RVS MODEREVERSE (U MODE)*A/BBKEYSELECTORFL INDICATIONMODE All the fluorescent display indicatorsEX.BASSand LEDs light on.+ AC ONTUNER STANDBY and TIMER LEDs blink up.S.WOOFER The all illminated state is cleared by+AC ONpressing any main unit keys or remocon keys.INPUTAUX AUX TEST+ AC ONDestinat-ionTunertypeBANDReceivingfrequencyrangeChannelspaceIFRFK,PK1FM87.5MHz108.0MHz100kHz+10.7MHz25kHzAM530kHz1700kHz10kHz+450kHz10kHzM,V,X,YK2FM87.5MHz108.0MHz100kHz+10.7MHz25kHAM530kHz1610kHz10kHz+450kHz10kHzMK3FM87.5MHz108.0MHz100kHz+10.7MHz25kHzMW530kHz1610kHz10kHz+450kHz10kHzSW5.9MHz17.9MHz5kHz+450kHz5kHzM,V,X,YE1FM87.5MHz108.0MHz50kHz+10.7MHz25kHzAM531kHz1602kHz9kHz+450kHz9kHzME3FM87.5MHz108.0MHz50kHz+10.7MHz25kHzMW531kHz1602kHz9kHz+450kHz9kHzSW5.9MHz17.9MHz5kHz+450kHz5kHzEE1FM87.5MHz108.0MHz50kHz+10.7MHz25kHzRDSAM531kHz1602kHz9kHz+450kHz9kHzTE2FM87.5MHz108.0MHz50kHz+10.7MHz25kHzRDSMW531kHz1602kHz9kHz+450kHz9kHzLW153kHz279kHz9kHz+450kHz9kHzQQFML65.0MHz74.0MHz10kHz+10.7MHz5kHzFMH87.5MHz108.0MHz50kHz+10.7MHz5kHzMW531kHz1602kHz9kHz+450kHz9kHzLW153kHz279kHz9kHz+450kHz9kHzAVdd10R107k½X13IC191pin(TYPE)Destina-R107Voltagetion½VK91k4.51M139k3.98M222k3.44T13k2.83E8.2k2.25Q4.7k1.602-1 Discrimination of TUNER destination3. Test mode3-1 Test mode of the receiver3-1-1 Setting of the test modeWhile pressing the INPUT key or EX. BASS or S.WOOFER key, put the plug into an AC power outlet.3-1-2 Canceling of the test modeUnplug an AC power cord from an AC power outlet.3-1-3 Selector mode or FL indicationRXD-652(K) INT 1P 99.6.9 8:02 PM yW10RXD-652/702/752/772S/852/A81/A601/A7016CIRCUIT DESCRIPTION3-1-4 Basic operation in test mode(1) The muting during mode selection is not controlled inthe test mode.(2) The test mode is cancelled when the AC power isturned off.(3) The operation of the keys in the test mode as follows.3-1-5 The operation of the keys in the test mode(1) common (TUNER. AUXmode.)* USED RXD-652/E/WRXD-852/E/WRXD-A601/A701* EXCEPT USEDRXD-652/E/WRXD-852/E/WRXD-A601/A7013-2 Test mode of cassette deck3-2-1 Setting of the test modeWhile pressing the deck play key, put the plug into anAC power outlet.3-2-2 Canceling of the test modeUnplug an AC power cord from an AC power outlet.3-2-3 Condition in test mode(1) Initial condition DOLBY-0FF AUDIO-MUTE OFF(2) Mechanism SW detection(3) 4-sec recordingIf the REC key is pressed, the system record for 4sec. Then, it rewinds to the recording starting positionand plays back automatically.If the REC key is pressed, during the 4-sec recordingoperation, the system records further for 4-sec, thenreturn to the starting position of the first 4-sec record-ing operation and plays back.(4) TUNING MODE keyREC Level HL3-3 Test mode of CD player3-3-1 Setting of the test modeWhile the pressing the CD PLAY/PAUSE key, put theplug into an AC power outlet.3-3-2 Canceling the test modePress the stop key on stop mode or unplug the AC cordfrom an AC power outlet.3-3-3 The operation of the keys in the test mode.DISPLAYA pack SWE.QA -CRO2PROG.12B-FWDO.T.TB pack SWAUTOB-CRO2STB-RVSANTENNAKEYDISPLAYOPERATIONPLAY/PAUSE+AC INCD TEST Setting of the test mode. Tray 1/3 rotation. Tray opens automatically.STOP0 Tray closes. Change or cancel the test mode.PLAY/PAUSE03 -:-05*:* Tray closes/disc clamps. T-servo off(03) or on (05).1FINISH Tray 1/3 rotation.DISC307 EF/FB08 TG/FG09 TE/RF10 TE/VC Mechanism stops when theautomatic adjustment is finished. Display changes cyclically. If NG, display blinks up.DISC2216*:* Tray closes. Disc2 clamps. Plays track 16.DISC1 Tray closes/disc clamps. Plays track 32.KEYFUNCTIONDisplay/DEMOFL&LEDsON/OFFREV. MODEVolume 1DOLBY NRVolume 28or TAPE EQREC/ARMVolume MAXA/BREC levelHLDISC 3BALANCE LEVELKEYFUNCTION10STEP P.CALL UP.TAPE 7TAPE #P.CALLDOWNTAPE P.CALLUPS.LEVEL ATT.DISC SKIPOPEN/CLOSE(M TYPE) CHANNEL SPACE/EMPHASIS(2) TUNER modeKEYFUNCTIONDISC 2DVD OUTPUT LevelO (MAX)-7DISC 1EQ ALL BANDDISC SKIPMUTE ON/OFF(FL “TESTMODE“ blink up)* TAPE 7S.direct Effect offDOLBY SURROUND MODE* TAPE #CENTER MODE* TAPE * TAPE CENTER LEVEL up* TAPE 1CENTER LEVEL DOWN* CD SURROUND LEVEL UP* CD 7SURROUND LEVEL DOWN* TUNING DELAY TIMEMODE20ms 30ms 15ms3D Level* BACK*SUPER WOOFER LevelOPEN/CLOSE(3) AUX mode (AMP,GE)Lch MAX Rch MAXCenter10 20 30 (00)ATT Off ATT OnFREQUENCY (NORMAL)pro logic 3 stereoEffect off (2ch) Virtualsurroundnomal widebandphantomLevel 1 Level 2Effect offLevel 3 Level 5 (MAX)Level off (MIN)MAX MIN FLATSURROUNDMODEONLYRXD-652(K) INT 1P 99.6.9 8:02 PM yW11RXD-652/702/752/772S/852/A81/A601/A7017CIRCUIT DESCRIPTIONX28(IC1)CD MECHADECK PLAY/REC EQ ICDECK MECHAX14(IC51)X13(IC1)X13(IC2)DOT DRIVERAUDIO CONTROL ICX14(IC52,53)X13(A1:IC2)MAIN U-COMLED DRIVER x 2PLL ICM30622MC526FPX13