Kenwood-RXD951-cs-sm 维修电路原理图.pdf

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1、321PLAY0PUSHOPEN0PUSHOPEN6774DISC SKIPDISC 1DISC 2REV.MODEDOLBY NRDISC 3VOLUMECONTROLUPDOWNSRS 3DTIMERDISPLAYMODE/DEMOENTERAUTOPHONESSETMAXMINLISTEN MODEMULTI CONTROLON/STANDBYINPUTMICVOL.1 MIC 2DUBBINGTUNINGBANDCD PGMMINI HiFi COMPONENT SYSTEMREC/PLAYA/BREC/ARM0SRS ( )SOUNDEX.BASSPRO LOGIC3 STEREOM

2、INI HiFi COMPONENT SYSTEMRXD-951/951E/951W/A900/A700/RXD-A700E/A700W/V616/V818/V919SERVICE MANUAL 1998-6/B51-5444-00 (K/K) 3264Cassette lid (L)*(A53-)Phono jack(E11-0169-05)Phone jack(E11-0169-05)Front glass (L)(B10-2446-13)Lighting board(B19-1587-03)Front glass*(B10-)Lighting board(B19-1589-04)Ligh

3、ting board(B19-1586-04)Panel assy*(A60-)Knob*(K29-)Cassette lid (R)*(A53-)Front glass (R)(B10-2447-13)Panel (CD)*(A29-)(XD-951V919)* Refer to parts list on page 62.In compliance with Federal Regulations, following are reproduc-tions of labels on, or inside the product relating to laser productsafety

4、.Refer to RXD-500/700 (B51-5300-00), If you requireTUNER preset frequency in detail.Refer to RXD-501/etc(B51-5420-00), if you require CIR-CUIT DESCRIPTION in detail.*Refer to page 2 if you want to know system configuration.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR

5、 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlock defeated.AVOID DIRECT EXPOSURE TO BEAMPhone jack(E11-0280-05)RXD-951(K) COVER1,1( 98.12.14 13:40 yW 2RadioFans.CN 收音机爱 好者资料库SYSTEMMAIN UNITDESTINATIONSPEAKERSPEAKERSP CORD PARTS.NO.XD-A900RXD-A900K1P1LS-N851CRS-N851E

6、30-5471-05XD-951RXD-951X1Y1M1E1M5LS-N851CRS-N851E30-5471-05XD-951ERXD-951EE2LS-N851CRS-N851E30-5471-05XD-951WRXD-951WQ1LS-N851CRS-N851E30-5471-05XD-A700RXD-A700K2P2LS-N451CRS-N551E30-5120-08XD-A700RXD-A700X2LS-N551CRS-N851E30-5474-08XD-A700ERXD-A700EE3LS-N551CRS-N851E30-5474-08XD-A700WRXD-A700WQ2LS-

7、N551CRS-N851E30-5474-08XD-V616RXD-V616M4I4V4LS-N651-E30-5475-05XD-V818RXD-V818M3I3V3LS-N851-E30-5471-05XD-V919RXD-V919M2I2V2LS-N851CRS-N851E30-5471-05 Remote controllerParts numberModel nameModel nameDestinationBattery coverA70-1218-05RC-V919RXD-V919M2I2V2A09-1117-08A70-1219-05RC-V818RXD-V818M3I3V3R

8、XD-V616M4I4V4A70-1220-05RC-951RXD-A900 K1P1RXD-A700K2P2X2RXD-951M1I1XIYIM5A70-1221-05RC-951RRXD-951E1RXD-951EE2RXD-A700EE3RXD-951WQ1RXD-A700WQ2Speaker cords (4)XD-951/XD-A900Speaker cords (2)XD-A700Batteries (R6/AA) (2)FM indoor antenna (1)Remote (A70-1221-05) : RC-951RBattery cover (A09-1117-08)con

9、trol unit (1)Loop (J19-3645-05)antenna stand (1)AM loop antenna (1) (T90-0833-05)(Provided in the speaker package)Europe (T90-0836-05)(T90-0801-05)and U.K.Other countriesAC (E03-0115-05)plug adaptor (1)Use to adapt the plug onthe power cord to theshape of the wall outlet.(Accessory only for regionsw

10、here use is necessary.)Speaker (G11-2345-04)cushions (8)Surround speaker systemSurround speaker (2)Speaker cord (2)Speaker stabilizer (8)Wall mount hardware (2)Screw (4)Center speaker (1)Speaker cord (1)Speaker stabilizer (4)*Except for CRS-N551Video (E30-1427-05)cord (1)TEST TONEPTYMENUPOWERSETENTE

11、RVOLUMEREMOTE CONTROL UNIT RC-951RTIMEREPEATEQ ON/OFFRANDOMSRS 3DEX. BASSPRO LOGICDOLBY3 STEREOSTEREODOLBYCENTERSURROUNDRDS DISP.TA/NEWS/INFO.DISC SKIP1230456+10789A/BBANDTUNINGP.CALLMUTEINPUTTAPECDRXD-951/A700/A900/V616/V818/V9192CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES .2EXTERNAL VIEW.3DISASSE

12、MBLY FOR REPAIR.4BLOCK DIAGRAM .5CIRCUIT DESCRIPTION.6ADJUSTMENT. 11WIRING DIAGRAM.15PC BOARD .18SCHEMATIC DIAGRAM .27EXPLODED VIEW .60PARTS LIST.62SPECIFICATIONS .88ContentsAccessoriesRef. No.Parts No.Refer to Service Manual(page)Remarks(X09) IC10M38199MF-080FPRXD-501/etc.(9, 10)It is the same H381

13、99MF-075FP.(X09) IC10M38199MF-080FPRXD-501/etc.(9, 10)(X14) IC1uPD780204-038RXD-501/etc.(11)(X28) IC6TC74HC166APRXD-501/etc.(12)Refer to the ICs.Model name vs remote controllerSystem configrationRXD-951(K) COVER1,1( 98.12.14 13:40 yW 3RadioFans.CN 收音机爱 好者资料库RXD-951/A700/A900/V616/V818/V9193EXTERNAL

14、VIEWPhono jack(E63-1037-05)Phono jack(E63-0130-05)Lock terminal board*(E70-)Lock terminal board *(E70-)Power cord bushing(J42-0083-05)AC power cord*(E30-)Variable resistor(R31-0096-05)Oscillating module(W02-1114-05)Lock terminal board *(E70-)Illustration is RXD-V919.* Refer to parts list on page 62.

15、RXD-951(K) COVER1,1( 98.12.14 13:40 yW 6RXD-951/A700/A900/V616/V818/V9194DISASSEMBLY FOR REPAIR1. How to remove the front panel.(1) Turn the power ON and then push theopen/close key to open the tray.(2) After removed the tray cover, push theopen/close key to close the tray and then turnthe power OFF

16、.(3) Remove the push rivet (1) and 4 screws (2,3).(4) The front panel can be separated by removingthe 3 screws (4) located at the bottom plate ofthe front panel.2. How to remove the CD mechanism (1) Remove 4 screws (5) on the left side/right sideof chassis.(2) Remove 4 screws (6) and the cap (7) on

17、therear panel.(3) Disengage the CD mechanism as FIG.2.(4) Connect the GND plate of X32 PCB and thechassis with a alligator clip wire (8).3. How to remove the mult control knob. Remove the knob by string (9).4. How to open the tray if not comes out.(1) From the rear side of the CD mechanism, use ascr

18、ew driver or the like to turn the friction armfully counterclockwise.(2) Pull out the tray front wards by hand when thetray comes just out.* As for details of items in the below, refer to RXD-F3service manual (B51-5091-00).(1) How to detach the tray.(2) How to attach the tray.(3) Replacing the picku

19、p.Fig.15233316667x4x24x3REAR SIDEFrictionArmFig.289RXD-951(K) COVER1,1( 98.12.14 13:40 yW 7K1K2AUXTUNERDECKCDINAUX OUTAB120u70uREC OUTPBRECDCLPASSREC INPB OUT0dBS580mVBIAS SWA:120/70B:120/70BIAS:ON/OFFRM:ON/OFFIC CLKPS INPS LOADDPSSVR5,6P.H A,BMOTOR AMOTOR BMOTOR-SOL-LED A,BL,RSSTPTFDRSFDRRFAUDIO OU

20、TA/BA,B PACKF.RECR.RECA,B PLAYDOLBY R/PDOLBY ON/OFFFRDRFFDRMDPSRDRLD ONDECKNCOUTTRDRSURRCCSURRCL,RDIGITALVIDEOMUTEATTSWL,RD17D18D26D24D22D23ICPOWER+5.6VAVRQ15-30VAVRQ14-12VAVRIC12+12VPOWERAVRIC15ICu-COMFL DRIVERAVRBIAS+9V+5VAVRQ19IC13DECKMECHA.ANALOGTUNERH.P RELAYMOTORDRIVERDSP/DACTUNERFRONT S.PRELA

21、YS.W. SPEAKERRELAYMATRIXSURROUNDSWD29D24ACTUNERBLOCKTUNER OUTPUTFM:600mV/3.3k AM:180mV/3.3k (1/2)IC101MIC AMP(2/2)IC101MIX VOL.VR1IC1SEL.INPUTMIC2.5mV/2.2k MIC1,2430mV/47k AUX INAUX IN0.5V/3.3k AUX OUTAUX OUTB ERASEBIASOSC60mV22.2dBSA PB AMPIC2PBAVR7,8LEVELQ7,8BEAT CANCELB PB AMPIC3VR1,2LEVELPBBBA31

22、26NIC4BIAS TRAPVR3,4BIASCONTROLQ5DOLBYOTHERCHANNELL.P.F.MPXL1OUT+5VEXPANDER ICIC6B R/PA PBQ1,2Q3,4BA10393IC5ABCEFLDQ1SWLDDRIVERFOCUS COILCOILTRACKING COILDRIVERCOILF.MFEED MOTORDRIVERDISC MOTORDRIVERD.M4ch BTL DRIVERIC3TRACKINGFOCUSLIMIT SWSTARTD40-1500TRAVERSE UNITR.MDRIVERROTARYLOADINGDRIVERL.MTA8

23、409SDRIVERIC4,5 MOTORBA5979SCXA1571MRF AMP/SERVOIC1DSP/DACCXD2587QIC2DRIVER MUTE16.9344MHzZERO MUTEELECTRICVOL.SRSSURROUNDIC4C SP.LPHONESSUB WOOFERPRE OUTJ3FL DISPLAYREMOTESENSORED1A1u-COMFL DRIVERIC1IC3RECAMPMSIC1 HA12209FQ10,11Q3,4MUTEUNITPOLARTC74HC166AP+5V+5VMAIN u-COMM38199MF-08IC10RMR/BRKM/RMF

24、/LMF/LMRLD/UNLD SW, UP/DOWN SWST SW, PS SWX1IC2SPEANAIC9IC19AUX LEVELVR1(1/2)IC2Q6J2J1Q21-23FAN DRIVERJ3OTHER chFROMQ8(2/2)Q5Q7IC2K2K1(1/2)Q1,2Q13(2/2)Q15Q3,4IC1IC1RSURROUND SP.FRONT SP.RLSUB WOOFER SP.RLJ1RFRONT SP.L(RXD-951/A900/V919)(RXD-A700)1.8V/600 K4EACH SP.OUTPUTPROLOGICIC3SWIC4DECODERL.P.F.

25、IC16,17u-COMSUBu-COMMAINK3u-COMCDVIDEOIC5IC3MPEGPCBVIDEOCDA1OUTJ1OUTIC4DACLFPIC6IC2IC1IC8,9SP. OUTPUTRXD-V818RXD-V616RXD-A700A900/V919RXD-951/20.5V/6 24.5V/6 FRONT13.4V/6 24.5V/6 CSURR.24.5V/6 24.5V/6 SUB W.chOTHER(Q13,15:EXCEPTRXD-A700)FPCDTONEE. VOL (C,S)(EXCEPT RXD-V616/V818)(L,R)(1ch ONLY)(1ch O

26、NLY)FAN22.6V/6 26.3V/6 26.3V/6 22.6V/6 2chFRONT(THD 1.0%)STEREOSURROUND (THD 10%)13.4V/6 (X28)MECHA.(CDM-27)T25-0050(X14)(X14) EXCEPT RXD-A700(X32)Q TYPE ONLYX04-1313-80A,B(X09)X05-471X-489X-490X(X08) EXCEPT RXD-V616/V818on the RXD-501/701RXD-V616/V818: Refer to the same (X09)V616/V818/V919RXD-951/A

27、700/A900/(X14)Ref. No. : RXD-951/A700/A900Ref. No. : RXD-V616/V818/V919EXCEPT RXD-V616/V818RXD-951/A700/A900/V616/V818/V9195BLOCK DIAGRAMRXD-951(K) COVER1,1( 98.12.14 13:41 yW 10RXD-951/A700/A900/V616/V818/V9196CIRCUIT DESCRIPTION1. Initialization1-1 Setting of initial conditionsWhile pressing the E

28、NTER key, plug the AC cord intothe AC power outlet.1-2 Initializing operation A microcomputer is initialized for start when the ACpower is turned on while pressing the ENTER key. Atthat time, CD mechanism and CASSETTEmecha-nism are also initialized. During the initial operation, the display shows “I

29、NITIAL-IZE” and after that the clock blinks up on display.1-3 The backup data and initial items.1-4 Mechanism initialization1-4-1 CD mechanism Disc unclamps (traverse down) Rotary tray rotates (1/3 rotation) If a mechanism error occurs, “CD” is indicated on thedisplay.1-4-2 DECK mechanism When initi

30、al condition becomes NG for the third time,decide the error.The error condition is displayed as X on the display.1-4-3 Error displayCD X ERR2. Test mode of the receiver- Refer to the 3. test mode on page 7, 8 of the Servicemanual RXD-501/etc. (B51-5420-00).- It makes description of addition RXD-V919

31、 only.(The operation of the keys)ITEMSPOWEROFFVOLUME45BALANCECENTER- MUTINGOFF- EQOFF (ROCK)EQ. MANUFLATAMP- EX. BASSONS. W. *LEVEL3SRS 3DOFF3D LEVELLEVEL +5INPUT SELTUNER- DISPLAY MODEDISPLAY AUTODEMOOFFDOLBY PRO LOGIC *OFFDOLBY 3 STEREO *OFFCENTER MODE *NORMALDELAY TIME *20 msecCENTER LEVEL *0 (-1

32、0dB)SURROUND LEVEL *0 (-10dB)BANDFMLAST fLOWEST FREQUENCYTUNERLAST Pch AUTO/MONOAUTOPchTEST f- CLOCKAM 12 : 00 *PROG ONAM 12 : 00CLOCKPROG OFFAM 12 : 00TIMERPRO MODETIMER PLAYSOURCETUNERPch1EXEOFFOTTOFF- SLEEPOFFDIRECTIONFORWARDRVS MODEpDECKDOLBY NROFF- A/BB- ACTIVE MODESTOPITEMS- PLAY MODETRACKAUTO

33、/NTSC/PALAUTO- AUTO PBCON- DIGESTOFFCD/VCD- MEMORY STOPOFF- REPEATOFF- RANDOMOFF- ACTIVE MODESTOP- TIMESINGLE- None backup data* Except RXD-V616* Except RXD-V616/V818* Display : Push KeyActive description-SettingCENTERLEVELSKIP UP ()-10 (Min)0 +10 (Max)SKIP DOWN (4)-10 (Min)0 +10 (Max)-Setting SURRO

34、UNDLEVELFF ()-10 (Min)0 +10 (Max)RWD (1)-10 (Min)0 +10 (Max)CD PGMDOLBY PRO LOGIC ONDUBBINGDOLBY 3 STEREO ONTIMERSTEREO ON- Input selector : Except TUNER Surround mode : DOLBY mode (PRO LOGIC, 3ST)RXD-951(K) COVER1,1( 98.12.14 13:41 yW 11VOLTAGE (V)AD0 (33pin)AD1 (32pin)AD2 (31pin)AD3 (30pin)AD4 (29

35、pin)AD5 (28pin)AD6 (27pin)0 0. 82POWEREX. BASSCD PGMTUNING UPCD 4A / BDOLBY NR0. 84 1. 64* 1) SOUNDDUBBINGTUNING DOWNCD TAPE REV MODE1. 66 2. 52* 2)SRSBANDCD 7TAPE DISC 12. 54 3. 38INPUT* 3)AUTOCD 6TAPE 7DISC SKIP 3. 40 4. 18MODE / DEMOSETENTERCD 0TAPE DISC 24. 20 4. 78TIMERTAPE TAPE 1DISC 3RXD-951/

36、A700/A900/V616/V818/V9197CIRCUIT DESCRIPTION3. Key matrix FL driver u-COM (uPD780204-038) : (X14-) IC14. Main microprocessor4-1 Microprocessor periphery block diagram(RXD-951/A700/A900)* 1) EXCEPT : RXD-V616/V818* 2) RXD-V616/V818/V919 : KARAOKE Other : DISPLAY* 3) RXD-V616/V818 : SOUND Other : LIST

37、EN MODECD MECHACDM-27X14, IC1FL DRIVER uCOMuPD780204X09, IC10X09, IC11RDS ICSAA6579X09, IC1SELECTOR ICNJU7313ALX09, IC4SYSTEM ICM62430FPX08, IC4E.VOL (C,S)M62429FPX08, IC3DOLBY ICM62460FPX09, IC9SPEANA ICBA3834SKX05, IC2PLL ICLC72131M38199MF-083FPM38199MF-080FPX32, IC2DSPCXD2587QX28, IC6EXPANDER ICT

38、C74HC166APDECK MECHAu-COMRXD-951(K) COVER1,1( 98.12.14 13:41 yW 14CD MECHACDM-27FL DRIVER uCOMuPD780204(X09) IC10MPEGuCOMSELECTOR ICNJU7313AME. VOL(C, S)M62429FPTONE, SRSE. VOL(L, R, SW)M62430FPEXCEPT RXD-V616/V818DAC ICPCM1717EPLL ICLC72131M38199MF-084FPDSPCXD2585QEXPANDERICDECK MECHADOLBY ICM62460

39、FP(X14) IC16(X28) IC6(X32) IC3(MPEG)(X08) IC3(X09) IC1(X08) IC4(X09) IC4X05, IC2(X32) IC4RXD-951/A700/A900/V616/V818/V9198CIRCUIT DESCRIPTION(RXD-V616/V818/V919)RXD-951(K) COVER1,1( 98.12.14 13:41 yW 15Pin No.Pin nameI/ODescription1PS INIParallel serial IC input data2PS LOADOParallel serial IC loadH

40、 : SHIFTL : LOAD3A MUTEOAudio mute controlH : OFFL : ON4BP INISpeana input (A/D converter input)5JOG CWIJog input B6JOG CCWIJog input A7ENC CWIRotary encoder input B8ENC CCWIRotary encoder input A9H.P.IHeadphones switch inputH : ONL : OFF10EMPHASISIVideo CD emphasis11CD PROTICD protect inputH : PROT

41、ECTL : NORMAL12DRV CLKOFL driver u-COM control clock13DRV SIOFL driver u-COM control data output14DRV SOIFL driver u-COM control data input15C BUSYOVideo CD u-COM busy output (MPEG)16VCLOCKOVideo CD u-COM clock (MPEG)17 C DATAOVideo CD u-COM data output (MPEG)18M DATAIVideo CD u-COM data input (MPEG

42、)19CD CKOCD DSP IC clock (CXD2587Q)20SQCKOCD Sub code clock (CXD2587Q)21CDDTOCD DSP IC data (CXD2587Q)22SQSOICD Sub code input (CXD2587Q)23CDXLOCD latch output (CXD2587Q)24SENSICD sense input (CXD2587Q)25CDSCKOSense data reading clock output (CXD2587Q)26LD ONOCD laser outputH : OFFL : ON27DATAOSELEC

43、TOR/SYSTEM/DAC/DOLBY IC data output28CLKOSELECTOR/SYSTEM/DAC/DOLBY IC clock output29PROTIProtection inputH : PROTECTION ONL : NORMAL30SCORISub code synchronism signal (CXD2587Q)31E DATAOE. vol data output (M62430FP)32E CLKOE. vol clock output (M62430FP)33P/N-OIVideo CD video modeH : PALL : NTSC34M B

44、USYIVideo CD u-COM busy input (MPEG)35RESETIReset signal inputH : NORMAL L : RESET36X CINITimer clock input (32.768kHz)37X COUTOTimer clock output (32.768kHz)38X INIMain clock input (8.38MHz)39X OUTOMain clock output (8.38MHz)40VSSGND41PLL DOIPLL data input42STEREOIStereo detector input43SDISD detec

45、tor input44CEIPower failure inputH : AC ONL : AC OFF45PLL CEOPLL IC chip enable (LC72131)46TU EMPOFM emphasis change-over (M type only)H : 100kHzL : 50kHzPolar/Pilot change-over (Q type only) H : POLARL : PILOT47FL RSTOFL driver reset control output48T MUTEOTUNER mute control output49DRV STOFL drive

46、r u-COM control strobe output 50HP RLYOHeadphones relay control51SEL STOSelector IC strobe output (NJU7313AL)52ATTOE. vol attenuationH : ONL : OFFRXD-951/A700/A900/V616/V818/V9199CIRCUIT DESCRIPTION4-2 Pin descriptionMicroprocessor : M38199MF-084FP (X09, IC10)RXD-951(K) COVER1,1( 98.12.14 13:41 yW 1

47、8Pin No.Pin nameI/ODescription53SYS STOSystem IC strobe output (M62430FP)54CS RELAYOCS speaker relay controlH : ONL : OFF55SP RELAYOSpeaker relay controlH : ONL : OFF56DOL STODolby IC strobe output57MONOPMON controlH : ONL : OFF58P/N-IONTSC/PAL changeoverH : PALL : NTSC59CDRSTOCD DSP IC (CXD2585Q) r

48、eset controlH : NORMALL : RESET60M/AOTV changeover controlH : MANUALL : AUTO61MLODAC IC (PCM1717E) strobe output62P RLYOPower relay controlH : ONL : OFF63LMROLoading motor control (reverse)64LMFOLoading motor control (forward)H : ONL : OFF65RMFORotary motor control (forward)H : ONL : OFF66BRKMORotar

49、y motor control (brake)H : NORMALL : BRAKE67RMRORotary motor control (reverse)H : ONL : OFF68DC OFFOCD DSP IC power control (CXD2587Q)H : ONL : OFF69BEAT CANCELOBeat cancelH : ONL : OFF70A/BOA/B Playback change-overH : BL : A71BIASOBias change-overH : ONL : OFF72R MUTEODeck rec mute controlH : OFFL

50、: ON73NRODolby noise reduction change-overH : ONL : OFF74D-R/PODolby rec/play change-overH : RECL : PLAY75R/PORec/play change-overH : RECL : PLAY76B CPMOB deck motor controlH : ONL : OFF77B SOLOB deck solenoid controlH : ONL : OFF78A CPMOA deck motor controlH : ONL : OFF79A SOLOA deck solenoid contr