Kenwood-RXD752-cs-sm 维修电路原理图.pdf

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1、PHONESAUTO REVERSEDIRECT PROGRAM SEARCH SYSTEMAPLAYBREC/PLAYAUTO REVERSEDIRECT PROGRAM SEARCH SYSTEMMENUDISCSKIP 0PUSHOPENMINI HI-FI COMPONENT SYSTEMXD-552EX.BASSSELECTENTERINPUTDISPLAY/DEMOMIC VOLMIN.MAX.MICBACKBANDTUNING MODE1&#REV. MODEREC/ARMTAPE EQ. 0PUSHOPENABDISC3DISC 0OPENVIRTUAL&1DISC2R D S

2、ON/STANDBYSOUNDCONTROLMULTICONTROLMIC VOL.MIC VOL.DOWNDOWNUPVOLUMECONTROLUPSTANDBYTIMERPRO LOGIC 3 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 S

3、YSTEMRXD-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

4、 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 8:0

5、2 PM yW 2RadioFans.CN 收音机爱 好者资料库SYSTEMMAINUNITDESTI-NATIOSPEAKERSPEAKERSP CORDPSRTS NoXD-A601RXD-A601KPLS-N472CRS-N572E30-5535-05XD-652RXD-652MXELS-N472CRS-N572E30-5535-05XD-652ERXD-652EE1LS-N472CRS-N572E30-5535-05XD-652WRXD-652W QLS-N472CRS-N572E30-5535-05XD-A81RXD-A81KPLS-N752-E30-5549-05XD-752RXD

6、-752YMXTELS-N752-E30-5549-05XD-752ERXD-752EE1LS-N752-E30-5549-05XD-752WRXD-752W QLS-N752-E30-5549-05XD-702RXD-702ELS-N702-E30-5549-05XD-702ERXD-702EE1LS-N702-E30-5549-05XD-702WRXD-702W QLS-N702-E30-5549-05XD-772SRXD-772SM1LS-N752-E30-5549-05XD-A701RXD-A701KPLS-N572CRS-N572E30-5535-05XD-852RXD-852YMX

7、TELS-N572CRS-N572E30-5535-05XD-852ERXD-852EE1LS-N572CRS-N572E30-5535-05XD-852WRXD-852W QLS-N572CRS-N572E30-5535-05VOLUMECDTAPEMUTERC-752EREMOTE CONTROL UNITTIMEINPUTBANDPTYTA/NEWS RDS DISP.POWERTAPEA/BRANDOMREPEAT TEXT DISP.TUNING61234567890+1032147MULTICONTROLDISC SKIPSOUNDCONTROLSUPERWOOFERMENUBAC

8、KSELECTENTERPOWERREMOTE CONTROL UNITRC-852ETUNING1CD6SOUNDCONTROL1LISTENMODE234567890+10BANDTEXT DISP.INPUTEX.BASSTAPE327TAPEA/BTIMERANDOMREPEATDISC SKIPTA/NEWS RDS DISP.PTYVOLUMEDOWNVOLUMEUPBACKENTERBACKMUTEMENUSELECT423MULTI CONTROLFM indoor antenna (1)AM loop antenna (1)Speaker cords (2)Remote co

9、ntrol (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)(T

10、90-0837-05)(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

11、 DIAGRAM .25EXPLODED VIEW .51PARTS LIST.55SPECIFICATIONS .68ContentsAccessoriesSystem configurationMAIN UNITDESTI-NATIONREMOTECONTOROLLERBATTERYCOVERMODELNAMERXD-A601KPA70-1288-05A09-1135-08 RC-852RXD-652MXA70-1288-05A09-1135-08 RC-852RXD-A701KPA70-1288-05A09-1135-08 RC-852RXD-852YMXA70-1288-05A09-1

12、135-08 RC-852RXD-652EA70-1289-05A09-1135-08 RC-852ERXD-652EE1A70-1289-05A09-1135-08 RC-852ERXD-652W QA70-1289-05A09-1135-08 RC-852ERXD-852TEA70-1289-05A09-1135-08 RC-852ERXD-852EE1A70-1289-05A09-1135-08 RC-852ERXD-852W QA70-1289-05A09-1135-08 RC-852ERXD-A81KPA70-1297-05A09-0399-08 RC-752RXD-752YMXA7

13、0-1297-05A09-0399-08 RC-752RXD-772SM1A70-1297-05A09-0399-08 RC-752RXD-702EA70-1298-05A09-0399-08 RC-752ERXD-702EE1A70-1298-05A09-0399-08 RC-752ERXD-702W QA70-1298-05A09-0399-08 RC-752ERXD-752TEA70-1298-05A09-0399-08 RC-752ERXD-752EE1A70-1298-05A09-0399-08 RC-752ERXD-752W QA70-1298-05A09-0399-08 RC-7

14、52ERemocon configurationRXD-652(K) INT 1P 99.6.9 8:02 PM yW 3RadioFans.CN 收音机爱 好者资料库21 x21 x23 x23 x23 x33 x2496783 x25RXD-652/702/752/772S/852/A81/A601/A7013EXTERNAL VIEW / DISASSEMBLY FOR REPAIREXTERNAL VIEWDISASSEMBLY FOR REPAIRLGNDFM75AMANTENNAMD REC OUTPUTMD/DVD INPUT+-+-FRONTSPEAKERS(6-16)SUPE

15、RWOOFERPRE OUTRRLLRDIGITALOUTOPTICALCENTER SPEAKER(6-16)SURROUND SPEAKERS(12-16)+-LRSURROUNDSPEAKERS(8-16)SURROUND+-LRLRSUPER WOOFERSPEAKERS(6-16)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 c

16、abinet(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 powe

17、r 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 sc

18、rew 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 yW 6APBB R/PB ERASEBIASOSCCTRLBIASVR5HA12219NTIC1HA12136AIC2MPXDPSSIC4HD74HC166PFL DISPLAYED1M66004SPIC51DRIVERREMOCONA1D52TIMERD51STANDBYKEYM

19、ATRIXENHANCED ICFOR LEDIC52,53JOG AJOG BVOL.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 M

20、OTORDRIVERDISC MOTORIC6ABCEFSWLDQ501DSP.SERVO.CXD2587QIC7DACCD +5VCD +9V(DSP,RF)Q505FMDMTA8409S(ROTARY TRAY)TA8409S(LOADING)LMRMIC8IC9M30622MC-525FPu-COM ICIC1IC2K1120V240VMD/DVDMD RECJ1SURROUND3BAND TONEEX-BASSM62492FPSELECTOR,RDSDEMODULATORIC3 (T,E,Q TYPE ONLY)SAA6579T/RMODULETUNERANT.POLARUNITS1O

21、FFONON/OFFMATRIXK1RELAYSPEAKERch.OTHERPRE OUTSUBLchRchFRONT SP.M TYPE ONLYOPTICALOUTPUTA501INPUTOUTPUT0.4V/47K1.0V/10KEXCEPT USED(K,P)TYPEIC3C33,34L1,2BIASVR3,4Q11,12Q4Q13,14Q10Q6,8DOLBY BRXD-652/E/WEXCEPT USEDL3,4IC6DOLBYPROLOGICIC10OTHER CH.SURROUND,TON,E-VOLJ1IC11(2/2)IC12(1/2)IC12(2/2)IC11(1/2)Q

22、1,2Q6Q5Q3,4Q8Q7LPFIC3(2/2)IC3(1/2)LPFIC1IC2(1/2)IC2(2/2)A1IC13Q301-303,305-307LchRchRchLchK2-BVGND+BVD2D15-18D1D3S2S1AC INS28S29S27RXD-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 WOOF

23、ER 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 TYP

24、EUSEDRXD-A601/A701RXD-852/E/WRXD-652/E/WUSEDMODELRXD-652/E/WOTHER2.0V/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/PDPSSA,B CrCO2L RECR RECA,B PACKA,B PLAYPSINCLKPSLOADGRIDS

25、EG1635CLKCSDATAKEY3KEY2KEY1DATA1/2CLK15LEDA JOG1/21/2B JOG1/2ENC+RF.FE.TE16.93MHZLOM+/-ROM+/-PHTRTD/TUCL/OPPSWMAIN10MHzSUB32.768KHzDATACLKMPXTAPE RECCLKLATchDATADIGITALANALOGFL/FRSCMUTE-20dB+21.9V/6RXD-A601RXD-A701RXD-852/E/W13.4V/613.4V/610.95V/620.5V/620.5V/617.3V/610.95V/1213.4V/1213.4V/121kHz,1.

26、0%18.2V/6RXD-652/E/WMODEL10.95V/61kHz,10%17.3V/61kHz,10%1kHz,10%10.95V/122CHFRONTSURROUNDCENTERSTEREOSURROUND21.9V/617.3V/61kHz,0.9%1kHz,1.0%RXD-702/E/WRXD-752/E/W1kHz,0.9%24.5V/6RXD-772SRXD-A81MODELSTEREOFRONTS.WOOFER60Hz,10%21.9V/624.5V/624.5V/6HP DETMECHA.DECK(X28)(X14)(X00)(X14)(X04)(X13)MGC-E90

27、01CD 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 yW 7RXD-652/702/752/772S/852/A81/A601/A7015CIRCUIT DESCRIPTION1. Initialization1-1 Setting of initial conditionsW

28、hile pressing the ENTER key, put the plug into an ACpower outlet.1-2 Initializing operation A 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 displ

29、ay 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 mechanism Disc unclamps(traverse down). Rotary tray rotates(1/3 rotation). If a mechanism error occurs, CD ERR is indicated on thedisplay.1

30、-4-2 DECK mechanism When 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 display If both mechanism (CD/DECK) error occur, the display isindicated as follows. CD & X ERR 2. Destination list of TUNERITEMS*POWERSTANDB

31、Y*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.*BANDFMTUNE

32、R*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/BBKEYSELECTOR

33、FL 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-ionTunertypeBANDReceivingfrequency rangeChan

34、nelspaceIFRF K,P K1 FM 87.5MHz108.0MHz 100kHz +10.7MHz25kHz AM 530kHz1700kHz 10kHz +450kHz10kHzM,V,X,Y K2 FM 87.5MHz108.0MHz 100kHz +10.7MHz25kH AM 530kHz1610kHz 10kHz +450kHz10kHz M K3 FM 87.5MHz108.0MHz 100kHz +10.7MHz25kHz MW 530kHz1610kHz 10kHz +450kHz10kHz SW 5.9MHz17.9MHz 5kHz +450kHz 5kHzM,V,

35、X,Y E1 FM 87.5MHz108.0MHz 50kHz+10.7MHz25kHz AM 531kHz1602kHz 9kHz +450kHz 9kHz M E3 FM 87.5MHz108.0MHz 50kHz+10.7MHz25kHz MW 531kHz1602kHz 9kHz +450kHz 9kHz SW 5.9MHz17.9MHz 5kHz +450kHz 5kHz E E1 FM 87.5MHz108.0MHz 50kHz+10.7MHz25kHzRDS AM 531kHz1602kHz 9kHz +450kHz 9kHz T E2 FM 87.5MHz108.0MHz 50

36、kHz+10.7MHz25kHzRDS MW 531kHz1602kHz 9kHz +450kHz9kHz LW 153kHz279kHz 9kHz +450kHz9kHzQQFML 65.0MHz74.0MHz 10kHz+10.7MHz5kHzFMH 87.5MHz108.0MHz 50kHz+10.7MHz5kHz MW 531kHz1602kHz 9kHz +450kHz9kHz LW153kHz279kHz 9kHz +450kHz9kHzAVdd10R107kX13IC191pin(TYPE)Destina-R107VoltagetionVK91k4.51M139k3.98M222

37、k3.44T13k2.83E8.2k2.25Q4.7k1.602-1 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

38、AC power outlet.3-1-3 Selector mode or FL indicationRXD-652(K) INT 1P 99.6.9 8:02 PM yW 10RXD-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 powe

39、r 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. AUX mode.)* 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 mode

40、While 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

41、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)

42、 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

43、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 clamp

44、s. 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 trac

45、k 32.KEYFUNCTIONDisplay/DEMO FL&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 OUT

46、PUT 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*SUPE

47、R 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

48、 PM yW 11RXD-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(IC7)X28(IC4)DSP/DAC ICEXPANDER IC X13(IC10)X13(IC3)X13(IC14)DOLBY

49、PROLOGIC ICDECK PORT DRIVER4-2 VOLTAGE KEY MATRIXINPUT VOLTAGEKEY1KEY2KEY3(V)(HEX)Pin97Pin95Pin940.000.2600H0DHDISC SKIPBANDTUNING0.270.810EH29HDISC2EX. BASS (SW)DISP./DEMO0.821.372AH46HCD STOPENTERINPUT1.381.9447H63HOPEN/CLOSERWDSELECT1.952.5164H80HA/BFFRVS. MODE2.523.0781H9DHFWD PLAYPLAY/PAUSETAPE

50、 STOP3.083.629EHB9HRVS PLAYDISC1REC3.634.16BAD5HDOLBY(T.EQ.)POWERDISC34.174.73D5F2HNO KEYMENUBACK4.745.00F3HFFHKEY OFFKEY OFFKEY OFF4. Main microprocessor M30622MC-526FP (X13:IC1)4-1 Microprocessor periphery block diagramRXD-652(K) INT 1P 99.6.9 8:02 PM yW 14RXD-652/702/752/772S/852/A81/A601/A7018CI