Kenwood-KDV-3241-Y-Service-Manual电路原理图.pdf

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1、This product uses Lead Free solder.This product complies with the RoHS directive for the European market. 2008-5 PRINTED IN JA PANB53-0651-00 (N) 429SERVICE MANUALKDV-3241Y/MP4339/MP4439/MP5032DVD RECEIVERIllustrations is KDV-MP4339KDV-MP4339Panel assy(A64-4707-08): KDV-MP4339(A64-4708-08): KDV-MP44

2、39(A64-4709-08): KDV-3241Y(A64-4710-08): KDV-MP5032MODEL TDF PANEL No.KDV-MP4339 A64-4703-08KDV-MP4439 A64-4704-08KDV-3241Y A64-4705-08KDV-MP5032 A64-4706-08DC cord assy(E30-6855-08)Panel escutcheon(B01-0950-08)Mounting hardware assy(J22-0795-08)Remote controller assywithout battery(A70-2094-08)Leve

3、r(D10-7048-08) x2Screw(N09-6756-08) x4Screw(N09-6757-08) x4RC-DV460Plastic cabinet(A02-2758-08)TDF SPARE-PANELLithium battery(Not supplied)Mechanical parts in the DVD mechanism are not supplied. 2KDV-3241Y/MP4339/MP4439/MP5032BLOCK DIAGRAMFRONT BOARDDVD/CD MECHA BOARDSEE DVD BOARD BLOCK DIAGRAMMAIN

4、BOARDMPX/ST DECODERTUNERAM & FM IF/PLL/RDS OPTIONPROGRAME2PROMAUTO ALIGMENTTU101DEMODULATORRDSTUNER PACKIC601E-VOLRSE OPTIONIC201OPTIONAUX LINE MUTEDOWNFLIPDETA-S/W S/WCHABLECN503KEY LIGHTING BL5mA PER NODELCD B/LIGHTING B5mA PER NODEDRIVERLCDIC901NEGATIVELCD 14SEGLCD1BU302KEY BLOCKVOLUMEIR RECEIVER

5、VIDEO OUTFRONT AUX IN &CN902CN901CN502RMC1EV901DVD DRIV IC 8VDVD DVN CORE 1.2VDVD LOADING MOTOR DRV IC 8VDVD DIGITAL IC 3.3VDVD PU 5VLCD8.4VPOWER5VLED8.4VOP AMPIC40114 SEGRDS DATARDS CLKVCC +5VRDS QUALSDASCLSDASCLAM AF/MPXVCC +5VTUNER 8.4VPOWER 5VMAIN CLK1187.5kHzTUNER RDSTUNER E2PROM960kHzMAIN CLKT

6、UNER INPUTDVD/CD INPUTAUX INPUTSELECTMAINREARSELECTIN4IN3IN2IN1LOUDNESS SOFT MUTEVOLUMETREBLEMIDOLEBASEHPFSUBWOOFER15dBRLSPECTRUMANALYZERSACLKSAOUTI2CBUSSDACLK SMUTEFADE15dBRLACOUTRACOUTLTUNER PART45556656871706967728329AGNDCVBSVGNDAUDIOLDGNDPGND23848586CD/DVD PARTAUDIORSPDIF1.2VD5VPU3.3VD5V8V549162

7、E-VR PARTRAMFLASH E2PROMFLMODREGCRESETSYSTEM CONTROLVSSEVDDVDDCMOS I/O : 86CMOS OUTPUT : 1N-ch 0.0 I/O : 4TOTAL : 71I/O PORTAD CONVERTERSERIAL INTERFACE16BIT/8BIT/WATCHTIMEROPERATION1.8V to 5.5V78KO CPUMCSW8881/9093/8289DLOAD PORTCE2(TUNER)SD/ST INDCE1DATA INRDS CLKDATA OUTCLKRDS DATAAF MUTEQUALITY

8、OUTS-METERSCLKSOFT MUTESDASA OUTSA IN(CLK)MRESETSPI TXDSPI RXDSPI CLKSPI CERESETDLOAD CLKDLOAD DATA FLMODVOLTAGE61AUDIO MUTE50AUX MUTEDVD SPI CLK480kHzMAINX402X40195 94 919273FRT-DET5GND1AUX L IN43VIDEO OAUX R IN5 RMC40 VOL DOWN4152VOL UPKEY 153 KEY 2 79 LCD CE75787776LCD RSTLCD CLKLCD DATAILCD DATA

9、O LED8.4VLCD8.4VPWR5VBUZZER 80BEEP ONSPDIF OUTFLAT CABLEMAIN u-COMSYSTEM 5VFCI 19PIN CONNECTOR(MALE)FCI 19PIN CONNECTOR(FEMALE)LCD CLKMAIN2.4MHzLCD DR IC3213KDV-3241Y/MP4339/MP4439/MP5032LINE MUTEQ705-710IC702OP AMP CONTROLMUTEIC703OP AMPR/RR/LSWSWQ701-704IC801ISOA.ANTIC302ZD302ZD301D301D302Q306Q305

10、HAND-BRAKEOPTIONIC501CN403JK501DIGITALOUTOPTIONVIDEO OUT1Vp-p5Vp-pSPDIF OUTCN801Q308Q301Q302INDIMMERBATT CHECKD305D306MULTI REGULATORIC301DIODEOPTIOND401-409LOWVOLTAGEIC402NIC304IC305IC306IC307IC303Q321Q319ZD304Q322CONTROLFAN CONTROLCN402Q401Q4023GHTING BLKER NODELIGHTING BLKER NODEOUTAUX IN &JK703A

11、CC INZD303ZD306TEL MUTEIC403VIDEO MUTEFRONT LED/BACK LIGHTINGLINE/OUT4VFANLELEHPFSUBWOOFERFADERFADERFADERSMUTEFADERFADERFADERACINL ACINROUTFLOUTFROUTSWOUTRLOUTRRMIXERMIXERAC GNDMUTESVR11 92583524122210HSD2314115TAB17192118PW GND24S GND1316ST BY620VCC1 VCC27F/LOUT FL-OUT FL+OUT FR+OUT FR-F/RR/ROUT RR

12、+OUT RR-OUT RL-OUT RL+ R/LA/ANTREMOTET/MUTEDIMMERGNDHAND-BRAKEBACK/UPACCVCCCTLVOUTN.CCGNDPOWER ONBACK UP(B+)RTERERFACEWATCHNMAIN CLOCK : 8MHzCLOCKSUB CLOCK : 32.768kHzWDT CLOCK : 240kHzD PORT4546ART CHECK44RESETDLOAD CLKDLOAD DATA I/OFLMODENABLE INUART INUART OUTANT ON6359 DIMMER OUT58 BLIGHT ON66 D

13、IMMER IN38 ACC IN16 MUTE62 TEL MUTE14 PWR ON39 ACC OUT87 ON17 CONTROL64 ON61AUDIO MUTEMUTE3 10ST BY LINE OUT MUTE48BAT CHK42REMOTEHAND BRAKE DET13+3.3VPULL UPVREF1412 7410623VREFCTL4CTL3CTL2CTL1BIAS TSDVOLTSENSE OVERREARM2S1S2 M1X402194 9192OUTCONTINGND4312142OUTCONTINGND3CONT2OUT4IN1GND32CONT4GND1O

14、UT IN3POWER ONV OUT2 3V INADJ/GND1FAN 7.5VPOWER 5V(PULL UP,FRONT)MAIN u-COM STANDBY 5VTUNER VOL IC 8.4VDVD DRIV IC 5VDVD DVN CORE 1.2VDVD DIGITAL IC 3.3VDDVD LOADING MOTOR DRV IC 8VDVD PU 5VILL 8.4VFAN 7.5VGNDAUX L INVIDEO OUTAUX R INPOWERFANREMOTEDVD/CDVIDEOAUTO15/81RESETREMOTEILL 8.4VDRV IC 8VSTAN

15、DBY 5VVOL IC 8.4VMOTORDVDTUNERMAIN u-COMBACK/UP32-37VOL IC 8.4VBACK/UPVBCTL2CTL3CTL4+BLOCK DIAGRAM4KDV-3241Y/MP4339/MP4439/MP5032BLOCK DIAGRAMQ1102Q1101CONTROLLPIC1201DRIVER ICMOTORSTEPPINGSLEDBLDCMOTORSPINDLEDC MOTORLOADINGCN1203CN1202CN1201DRIVER ICIC1202CN1301MECH SWITCHPICKUP UNIT32MBITFLASH ROM

16、IC1502SDRAMIC1501128MBITSERIAL E2PROM8kBITIC1503DVNQ1401MODULEINTERFACECN1601IC1402MUTEIC1401AUDIODACFILTERIC1603VIDEO6dBX-TAL27MHzX1301CLOCKSYSTEMREGIC1601REGIC1602CN1101IC1301AMPVCCHFMRFCD/DVD SWA,B,C,DE,FCD-LDDVD-LDLPCTRACK ACTFOCUS ACTLPCO1,LPCO2LPC1,2HFMDRVRF,A,B,C,D,E,FCD/DVD SWMOSPOWERMOSPOWE

17、RMOSPOWERABSPOWERMOSABSABSLOGICBRIDGE3-PHAMPHALLMATRIXFODRVTRDRVSIN2SIN1FGSPDRVPHASE-BPHASE-AH1,H2,H3A1,A2,A3MOT-MOT+ LMC1LMC2INNER SWLDIN SWDISC OUT SWDISC IN SWDISC INSTBYSERVOAPC FE5V PU5V3.3VD 1.2VD 3.3VAWEOECEBA1WEBA0RASCSCAS8V8.4VA5V3.3VD1.2VD5V PUSPI TX,SPI RX,SPI CE,SPI CLKSPI SPIRLADOUT3MD,

18、MD,MLDACCK,SRLK,BCKDMUTEA/V INTERFACEBLOCKAUDIOVIDEOBLOCK3.3VD5VA8.4VARESET INVIDEO OUTRESETMEMORY INTERFACE3.3V8VDISC IN8.4VA5V PU5VA3.3VAA0-A17 D0-D15MCLK A0-A11D0-D15SCL SDA3.3VD 3.3VD 3.3VDCONTROLI2SSPDIFDAC4OUTDISC INZERO MUTERESETCVBSSPDIFAUDIO LAUDIO R8.4VA6dB+5KDV-3241Y/MP4339/MP4439/MP5032T

19、ROUBLESHOOTING1. System Control Error Correction Flow ChartYESYESNOInside of CN802, F801NOCN801(16, 15)NOIC301(15, 14)NOIC401(100, 99, 81, 30, 50, 47, 97, 20, 51)NONOIC402, IC401(90)X401, X402NOF301, Q301, Q302, IC401(38), CN801(14)NOCN901(19), IC401(74)NOCN901(14), IC401(21), Q316, Q317NOIC401(52,

20、53)No power?YESChecked the Fuse?YESChecked the Back up Vdd and Gnd, Acc?YESChecked the Main Micom Back up Vdd?YESChecked the Main Micom Back up Gnd?YESChecked the Main Micom Reset?YESChecked the Main Micom X-tal?YESChecked the ACC in?Checked the detachable switch?YESChecked the Front Panel VDD?YESCh

21、ecked the Front Panel KEY input?YESOKSomething wrong with the system control?YESYESNORMC1, R905NOCN901(5), IC401(5)YESChecked the Remocon Sens Vdd?YESChecked the Remocon Sens line?OKSomething wrong with the system control?Not available to Remocon?YESYESNOEV901, CN901(6, 7), IC401(40, 41)NOIC401(1, 2

22、), IC601(22, 23)YESChecked the Encoder Volume?YESChecked the Volume IC control?OKSomething wrong with the system control?Not available to Volume control?YESYESNOSW901 SW917, EV901NOCN901(8, 9), IC401(52, 53)YESChecked the Tact switch?YESChecked the Key line?OKSomething wrong with the system control?

23、Not available to Key Control?YESYESNOCN801(5), Q305, Q306, IC401(62)NOIC401(1, 2, 3, 6, 61), IC601(21, 22, 23),IC801(22), Q706, Q707, Q709, Q710YESChecked the tel mute input?YESChecked the Mute Control?OKSomething wrong with the system control?Not available to Telephone Mute?YESYESNOCN801(10), IC302

24、, IC401(63)Checked the ANT control?YESOKSomething wrong with the system control?Not available to ANT(Motor Type) Control?YESYESNOCN801(6), IC301(12), IC401(87)Checked the Remote control?YESOKSomething wrong with the system control?Not available to Remote(Power AMP) control?YESYESNOIC601(24)No sounds

25、 of All Functions?YESChecked the E-VR Vdd?NOIC601(15)YESChecked the E-VR Ground?NOIC601(22, 23), IC401(1, 2)YESChecked the E-VR control?NOIC601(21), IC401(6)YESChecked the E-VR Mute Control?NOIC601(5, 6, 7, 8, 11, 13, 16, 17, 18, 19, 20)YESChecked the E-VR Signal in/out?NOIC801(6, 20)YESChecked the

26、Power IC Vdd?NOIC801(1, 2, 8, 13, 18, 24)YESChecked the Power IC Ground?NOIC801(4, 22), IC401(3, 10)YESChecked the Power IC Control?NOIC801(3, 5, 7, 9, 11, 12, 14, 15, 17, 19, 21, 23)YESChecked the Power IC Signal in/out?NOCN801(1, 2, 3, 4, 8, 9, 12, 13)YESChecked the main connector?OKSomething wron

27、g With the Sound?2. Sound Error Correction Flow Chart6KDV-3241Y/MP4339/MP4439/MP5032YESYESNOIC401(1, 2, 3, 6, 61), IC601(21, 22, 23),IC801(22), Q706, Q707, Q709, Q710YESChecked the Mute Control?NOTU101(19), IC401(4)YESChecked the AF mute?OKSomething wrong With the Sound?Hearing the Pop Noise?YESYESN

28、OQ308, F303, IC701(8)YESChecked the Line Out AMP Vdd?NOQ309, IC401(64)YESChecked the Line Out AMP Vdd control?YESNOIC701(4)Checked the Line Out AMP Ground?YESNOIC401(48), Q705, Q701, Q703Checked the Line Out AMP Mute Contorl?YESNOIC701(1, 2, 3, 5, 6, 7)Checked the Line Out AMP Signal in/out?OKSometh

29、ing wrong With the Sound?No REAR Line out signal?YESYESNOIC401(80), BU302YESChecked the Beep Control?OKSomething wrong With the Sound?No output Beep sound?YESYESNOQ308, F303, IC702(8)YESChecked the Line Out AMP Vdd?NOQ309, IC401(64)YESChecked the Line Out AMP Vdd control?YESNOIC702(4)Checked the Lin

30、e Out AMP Ground?YESNOIC401(48), Q705, Q701, Q703Checked the Line Out AMP Mute Contorl?YESNOIC702(1, 2, 3, 5, 6, 7)Checked the Line Out AMP Signal in/out?OKSomething wrong With the Sound?No Subwoofer Line out signal?YESYESNOIC901(56)YESChecked the LCD Driver Vdd?NOIC901(59)YESChecked the LCD Driver

31、Ground?NOIC901(61), CN901(11), IC401(75)NOIC901(60)NOIC401(76, 78, 79), CN901(3, 4, 10), IC901(62, 63, 64)NOIC901(1 55), LCDChecked the LCD Driver RESET?YESChecked the LCD Driver OSC?YESChecked the LCD Driver data interface?YESChecked the LCD to LCD Driver line?YESOKSomething wrong with the Display?

32、No Display or Some Display is broken?YESYESNOIC601(25, 26), IC401(9, 54)YESChecked the Level Meter Signal Input?OKSomething wrong with the Display?Dont moved Level dancing bar?YESYESNOF302, CN801(11), IC401(66), IC301(9)YESChecked the Dimmer control input?NOIC301(4), CN901(13)YESChecked the LED Vdd?

33、NOLD901 LD919, LD922 LD926Checked the LED?YESOKSomething wrong with the Display?Not available to illumination with button?YESYESNOF302, CN801(11), IC401(66), IC301(9)YESChecked the Dimmer control input?NOIC301(4), Q320, Q322, CN901(12)YESChecked the LCD Vdd?NOIC401(58, 59), Q319, Q321NOLD920 LD921Ch

34、ecked the LCD Vdd control?Checked the LED?YESYESOKSomething wrong with the Display?Not avaliable to LCD Lighting control?3. Display Error Correction Flow ChartTROUBLESHOOTING7KDV-3241Y/MP4339/MP4439/MP5032YESYESNOTU101(6, 17), Q307, IC301(10, 14)YESChecked the Tuner Vdd?NOIC401(39, 64), Q318, IC301(

35、11)YESChecked the Tuner Vdd control?NOTU101(3, 7, 12, 16)NOTU101(14, 15), IC401(1, 2)NOTU101(1, 2)NOTU101(8), IC401(4)NOTU101(5), IC401(67)Checked the Tuner Ground?YESChecked the I2C data?YESChecked the RF signal in?YESChecked the Mute Control?Checked the SD level(RDS model)?YESYESOKSomething wrong

36、With the Tuner system?Not available to Tuner?YESYESNOTU101(10, 11), IC601(5, 6)YESChecked the Tuner Signal out?NOTU101(8), IC401(4)YESChecked the mute?NOSee the Sound Error correction Process.Checked the E-VR & Power AMP?YESOKSomething wrong With the Tuner system?Tuner no sound?YESYESNOTU101(4), IC4

37、01(55)YESChecked the S-METER level?NOTU101(19, 20), IC401(65, 83)YESChecked the RDS data?OKSomething wrong With the Tuner system?Not available to AF?YESYESNOTU101(19, 20), IC401(65, 83)YESChecked the RDS data?OKSomething wrong With the Tuner system?Not available to RDS function?YESYESNOJK901, CN910,

38、 CN503, CN901(15, 17),IC601(11, 13)YESChecked the AUX Signal input?NOSee the Sound Error correction Process.YESChecked the E-VR & Power AMP?OKSomething wrong With the Tuner system?AUX no sound?YESYESNOSee the System error correctionProcess with the key control.YESChecked the Eject Key defect?NOIC120

39、2(1, 6)NOIC1202(7, 8, 2, 3). See Fig.9.NOCN1301(2, 4), SW1301, CN1202(13).See Fig.912.NOIC1301(VDD33, VDD12, +3VA). See Fig.13.NOIC1301 VSS (1, 23, 35, 46, 63, 81, 100,171, 180, 198, 208, 220, 245)NOIC401(23), IC203(5, 6) CN902(10), IC1301 NRST(101), CN1601 M_RESET(10)NOX1301(1, 3). See Fig.14.NOIC4

40、01(84, 85, 86, 29), CN902(4, 5, 6, 7)IC1301(84, 85, 86, 87)NOCN902(4, 5, 6, 7) CN1601(4, 5, 6, 7).See Fig.15.NOCN1301(2, 4)Checked the Loading Motor IC Vdd?YESChecked the Load/Unload Control?YESChecked the Load/Unload SW?YESChecked the MPEG VDD?YESChecked the MPEG Ground?YESChecked the MPEG Reset?YE

41、SChecked the MPEG X-tal?YESChecked the Main Micom Data Interface?YESChecked the Main Micom Data Interface?YESChecked the Disc in load switch?YESOKSomething wrong With the DVD system?No Loading/Unloading?YESYESNOIC1301(161)YESChecked the MPEG Video Signal out?NOIC1603(3, 5). See Fig.30.Check the 6dB

42、Amplifier Vcc, GND?YESNOIC1603(2, 4). See Fig.30.Check the 6dB Amplifider In, Out?YESNOIC403(6, 7, 8). See Fig.31.Check the IC403s Vcc & GND?YESNOIC403(3, 4, 5). See Fig.31, 32.Check the IC403s IN, Out, Mute Signal?YESNOTM1(1, 2)Check the Brake Line?YESNOCN403(1, 2)Check the RCA Cable?OKYESSomething

43、 wrong With the DVD system?Can hear the sound but not display on monitor?4. Tuner Error Correction Flow Chart 5. AUX Error Correction Flow Chart6. DVD Error Correction Flow ChartTROUBLESHOOTING8KDV-3241Y/MP4339/MP4439/MP5032YESYESNOIC1301(VDD33,VDD12,+3VA). See Fig.13.YESChecked the Input voltage of

44、 MPEG IC?NOIC1301 VSS (1, 23, 35, 46, 63, 81, 100,171, 180, 198, 208, 220, 245)Checked the GND Condition of MPEG IC?YESNOIC401(23), IC203(5, 6) CN902(10), IC1301NRST(101), CN1601 M_RESET(10)Checked the MPEG RESET?YESNOX1301(1, 3). See Fig.14.Check the MPEG X-tal?YESNOIC401(84, 85, 86, 29), CN902(4,

45、5, 6, 7)IC1301(84, 85, 86, 87)Checked the Main Micom Data Interface?YESNOCN902(4, 5, 6, 7), CN1601(4, 5, 6, 7). See Fig.15.Checked the Main Micom Data Interface?YESOKSomething wrong With the DVD system?Front LCD : “INIT” Display?YESYESYESNo Spindle Motor Operating?NOIC1201(22, 27, 43)Checked the Spi

46、ndle Driver IC Vdd?YESNOIC1201(4, 16)Checked the Spindle Driver IC VHALF?YESNOIC1201(36, 38, 41)Checked the Spindle Driver IC GND?YESNOIC1201(37, 39, 40). See Fig.16.Checked the A1, A2, A3 of The Driver IC?YESNOIC1201(2733). See Fig.17.NOIC1201(5). See Fig.17.Checked the Hall Bias Signals?Checked th

47、e spindle motor control?YESYESOKSomething wrong With the DVD system?No Reading & “FILE CHECK” DISPLAY?YESYESYESChecked the Limit SW?NOIC1201(18). See Fig.19.NOCN1202(13), IC1301(75). See Fig.18.Checked the Motor DRV mute control?YESNOIC1201(10). See Fig.20.Checked the focus control?YESNOFMON0. See F

48、ig.20.Checked the focus error level out.(FE Mon)?YESNOIC1201(9). See Fig.21.Checked the tracking control?YESNOFMON1. See Fig.21.NOIC1301(117). See Fig.22.NOIC1201(6, 7). See Fig.23, 24.Checked the Tracking error level out.(TE Mon)?Checked the RF signal out check?Checked the sled motor control?YESYES

49、YESOKSomething wrong With the DVD system?No Reading & “FILE CHECK” DISPLAY?YESYESYESChecked the MPEG Audio DATA out?NOIC1401(4, 5, 6, 9, 10). See Fig.25.NOIC1301(172, 173, 174,175)Checked the DAC Vcc,Vdd, GND?YESNOIC1401(1, 2, 3, 7, 8, 16). See Fig.26, 27.Checked the DAC signal In/out?YESNOIC1301(178), IC1401(11, 12). See Fig.28.Checked the DAC Mute?YESNOIC1402(4, 8). See Fig.29.Checked the OP AMP VDD, GND?YESNOIC1402(1, 2, 6, 7). See Fig.29.NOSee a Sound Error correction Process.Checked the OP AMP Signal in/out?Checked the E-VR & Power AMP?YESYESOKSomething wrong With the D