Kenwood-KDCMP-732-Service-Manual电路原理图.pdf

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1、 2005-12 PRINTED IN JAPANB53-0362-00 (N)589CD RECEIVERKDC-MP732SERVICE MANUALThis product uses Lead Free solder.SIZE AA BATTERY(Not supplied)MODEL TDF PANEL No. TDF NAMEKDC-MP732 Y33-2430-61 TDF-MP67DTDF PANEL INFORMATIONCD MECHANISM EXTENSIONCORD (24P) : W05-0934-00DC cord(E30-6428-05)Escutcheon(B0

2、7-3126-01)Mounting hardware assy(J21-9716-03)Remote controller assy(A70-2067-15)Lever(D10-4589-04) x2Carrying case(W01-1661-05)Screw set(N99-1758-05)Tapping screw(N09-6280-05)Panel assy(A64-3732-02)RC-527KDC-MP7322BLOCK DIAGRAMAM+BF/EA1CDLX BUSSW5VA8VA8VAGCE-VOLLPF DAC LPFA3.3V A5VD3.3V D5VBU5VA8VA3

3、.3V REF+BSVR REFPREMUTE AMPOPICPOWER9VPRE OUTPRE OUTPRE OUTAUX INSHIFTLEVELD3.3VIC303 IC305IC1IC5 IC3IC4IC800 Q802Q608-613IC800IC750Q402IC300IC601-603IC103DRIVERMUTEBU5VIC102RDSDECODERIC400IC100MD-DETMEMOINSTALLERROM CORRSW5VBU5VA8VD5VSERVOQ450DSIBU5VUPBACKRESETIC BU5Vu-COMOPEL DISPP-CONANT-CONEXT A

4、MPACC DETDIMMERSURGE DETB.U DETQ20BU5VSW16VQ50Q41ILL+BSW14VIC10A8VQ12IC600DC/DC(5VPRE)+BMOTORQ30PANEL5V(FL)SERVOQ63FL DCQ31DC/DCIC80DRIVERMOTORIC450CD5VQ64SW5VQ22MECHAPANELCLOSEOPEN/DETP CONANT CONEXT.AMP.CONDIMMERACCBACK UPLINEPANELSP OUT(FR)SP OUT(RL)SP OUT(FL)SP OUT(RR)REMOTED3.3VIC11SW5VQ7,8D2.5

5、VIC10FL+BFL3.3VFLQ6SW3.3VPANELu-COMIC4RESET SWIC1FLASH ROMENCODERROTARYIC2IC6KEY ILLBU5VSW5VSERVOD5VA8V9VILL+BQ40ED1ILL+B(SW)(FRONT)(REAR)WIREDQ205Q203,204Q202Q207Q206Q208IC200KEYQ10TEL MUTECOMPDRIVE3.3VADCDSPIC5RESETICKEY MATRIXLEVELSHIFTSHIFTLEVELSPE ANAIC3CORRROMREMO.CON.(FST)MDE2PROMFSTFM/AMAUXC

6、HCDorMDSPEMUTE A,CMUTE 0,1,2WININ OFFSETRSTMUTE A,CSTBYforMPXRDSRSTANASPEANADCERRPRE MUTEMUTE 0,1,2PANELCD PLAYER UNIT (X32-586x-xx)(X34- )BOARDMOTHEREFACBTR COILFO COILDPU1APCIC716.934MHzCLOCKIC3LPFIC2SWA3.3V REGIC1LOADING &MECHAu-COMIC4CLOCK16.00MHzRF AMPSERVOMP3 DECODERWMA DECODER1Mbit SRAMPROCES

7、SORD3.3V REGIC6MOTORDRIVERMOTORSPINDLEBU3.3V REGIC5S2S4S1S3AAC DECODERSLEDMOTORDM2DM1Q4X2X1Q7,80-01 ONLYIC104MbitDRAM+1.6V REGVREFD.GNDBU5V8EJE-SW12EJE-SWLOS-SWLOE/LIM-SWD.GNDD5.0VMOTORLO/EJS.GNDD.GNDD.GNDS.GNDDATAMUTE RMUTE LMSTOPMRSTCLKA.GNDA8VR-chL-chD.GNDS.GNDD.GNDD.GNDD.OUTS7.5VDMUTED.GNDP-ON1P

8、-ON2KDC-MP7323COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-3730-11)Ref. No. Application / Function Operation / Condition / CompatibilityIC10 Audio 8V Ref Power Supply Output 1.27V.Power Supply for VFD & Mecha digital.IC60 Switching Regulator Controller CH1 : VFD (4.7V)CH2 : Mecha digital (DXM-680x : 4V

9、 , Other : 5V)IC80 Switching Regulator Power supply for VFD. (57V)IC100 Reset IC “L” when detection voltage goes below 3.6V or less.IC102 System -comControls FM/AM tuner, the changer, CD/MD mechanism,Panel, volume and tone.IC103 Muting logic IC Controls logic for muting.IC104 EEPROM For instrallers

10、memoryIC200 Power Control IC Power control switchIC300 Eelectrical Volume & Source Selecter Controls the source, volume, and tone.Panel mecha controlIC450 Panel mecha motor driverIC451 G-Analyzer Analog gravity sensor.IC600 9V AVR Power supply for 5V Pre Out OP-AMP.IC601603 5V Pre-out AMP Output buf

11、fer and gain control.IC750 Power IC Amplifies the front L/R and the rear L/R to 50W maximum.IC800Audio3.3V Ref Supply Audio 3.3V Ref supply to electrical volume and all low pass filters.SVR6.8V Ref Supply SVR6.8V Ref supply to power IC.Q10,11 Audio8V AVR When Q11 2in goes Hi, A8V AVR outputs 8.0V.Q1

12、2 SW14V When Q12 2pin goes Hi, SW14V outputs 14V.Q20,21 B.U.5V AVR While BU is applied, BU5V AVR outputs +5V.Q22,23 SW5V When Q23 base goes Hi, SW5V outputs +5V.Q30,32 Moter+B AVR (Panel Mecha) When Q9 base goes Hi, Moter+B AVR outputs 7.5V.Q31,33 Servo+B AVR When Q33 base goes Hi, Servo+B AVR outpu

13、ts 8.5V.Q40,42,45 Panel5V AVR When Q42 2pin goes Hi, anel5V AVR outputs 5V.Q41,43,44 Illumination AVR When Q43 2pin goes Hi, Ill AVR outputs 10.5V.Q5052 SW16V (Surge Protection) When Q51 2pin goes Hi, SW16V outputs 13V.Q60 VFD (4.7V) AVR SW When base goes Hi, VFD AVR off.Q61 Switching Regulator freq

14、uency control SW (IC60)Q62 Mecha digital AVR SWWhen base goes Hi, Mecha digital AVR off.DXM-680x : 4V, Other : 5VIN1 IN2 Panel mechaLLWAITLHOPENHLCLOSEHHSTOP1pin2pinLHL 400kHz 600kHzH 650kHz 850kHzKDC-MP7324COMPONENTS DESCRIPTIONRef. No. Application / Function Operation / Condition / CompatibilityQ6

15、3 VFD (4.7V) AVR Switching Power DriverThis FET is governed by IC60.Frequency is decided at Q61.Q64 Mecha digital AVR Power DriverThis FET is governed by IC60.Frequency is fixed 400kHz.Q80,81 VFD (57V) AVR SW When Q81 base goes Hi, VFD (57V) AVR outputs 57V.Q91 Panel5V Discharge SW When Q91 base goe

16、s Hi, Panel5V is discharged.Q100,101 Panel Detect SW When Q100 base goes Lo, panel is detected.Q200,201 Pre-out mute driver When a base gose Lo, mute driver is turned on.Q202 Acc Detect SW When Q202 base gose Hi, Acc voltage is detected.Q204 Surge Detect SW When Q204 base goes Hi, IC750 is changed i

17、nto a standby state.Q205 B.U Detected SW When Q35 base gose Hi, B.U voltage is detected.Q207 Small-lamp Detect SW When Q207 base goes Hi, Small-lamp is detected.Q208,209 Power Antenna SW When Q206 base goes Hi, power antenna switch outputs 14V.Q300 DSP mute SW When base goes Lo, DSP is set to mute.Q

18、402,403 AM+B SW When Q403 base gose Hi, AM+B is outputs.DSI lights when the base is “L”.Q450 DSI Driver DSI turns off when the base is “H”.DSI turns on and off when panel is taken off.Q600602 Pre-Amp +9V AVRQ600 and 602 works as a differential amplifier,Q601 works as a driver and +9.4V is supplied t

19、o OP Amp for Pre-out.Q603605 Pre-Amp -9V AVRQ603 and 605 works as a differential amplifier,Q604 works as a driver and -9.1V is supplied to OP Amp for Pre-out.Q606,607 AUDIO 10.5V AVR When Q606 base goes Hi, AVR outputs 10.5V.Q608613 Pre-out mute SW When a base gose Hi, Pre-out is set to mute.Q800,80

20、2 REF+B AVR When Q800 base goes Hi, AVR outputs 13V.Q801 SVR6.8V Ref Supply AGC ControllerWhen the voltage of B.U voltage falls, a return is hung and an outputis reduced. SWITCH UNIT (X16-3540-10)Ref. No. Application / Function Operation / Condition / CompatibilityIC1ROM ICGraphics data includedFLAS

21、H ROM ICIC4 PANEL -COMIC5 RESET IC When panel is attached, IC5 activeIC6 REMOTE CONTROL IC Remote control receiverIC7 BUFFER IC It is change into 3.3V from 5VIC8 BUFFER IC It is change into 5V from 3.3VIC9 BUFFER IC For Control ED1IC10 2.5V REGULATOR The power supply For 2.5VIC11 3.3V REGULATOR The

22、power supply For 3.3VQ1TRIANGLE GREENTriangle green LED is lighting when Q1s base level goes “H”LED SWKDC-MP7325COMPONENTS DESCRIPTIONRef. No. Application / Function Operation / Condition / CompatibilityQ2TRIANGLE REDTriangle red LED is lighting when Q2s base level goes “H”LED SWQ3 BLUE LED SW Blue

23、LED are lighting when Q3s base level goes “H”Q4 GREEN LED SW Green LED are lighting when Q4s base level goes “H”Q5 RED LED SW Red LED are lighting when Q5s base level goes “H”Q6 SW3.3V SWSW3.3V the power supply of IC1, 3 is turned on when Q6s baselevel goes “L”Q7,8 SW5V SWSW5V the power supply of IC

24、2, 6 is turned on when Q8s baselevel goes “H”Q9,10 FL3.3V SW FL+3.3V (VDD1) is turned on when Q9s base level goes “H”Q12 FL BLK SW ED1 is lighted on when Q7s base level goes “H”Q11,13 FL+B SW FL+B (VDD2) is turned on when Q11s base level goes “H” CD PLAYER UNIT (X32-5860-00)Ref. No. Application / Fu

25、nction Operation / Condition / CompatibilityIC1 A3.3V regulator Power supply for audio 3.3VIC2 Ope amp for low-pass filterIC3 4ch BTL driver Driving spindle motor and loading/ejection operationIC4 Mechanism -comIC5 BU 3.3V regulator Power supply for backup 3.3VIC6 D3.3V regulator Digital 3.3V power

26、supplyIC7 Audio DAC built-in servo DSP MP3, WMA, and AAC compatibleIC11 Buffer IC Level shiftQ1 A3.3V discharge circuitQ4 Current amp Adjusts current to be sent to laserQ5,6 SW 5VQ7,8 SW 8VD1 For current ampKDC-MP7326MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER : 30625MGPA78GP (X34 : IC1

27、02)Pin No. Pin Name I/O Function Processing Operation1 VREF - Analog reference voltage2AVCC -3 LX DATA S I Data from slave unit4 LX DATA M O Data to slave unit5 LX CLK I/O LX-BUS clock6 WIRED REMO I External display remoter controller7 LX MUTE I Mute request from slave unit H : MUTE ON, L : MUTE OFF

28、8AUD SDA O E-VOL data SPI communication9AUD SEL O E-VOL control SPI communication10 AUD SCL O E-VOL clock SPI communication10 DSP_SCL O DSP clock output terminal SPI communication11 DAC RST O DAC reset L : DAC RESET11 NC O Not used L-output for models without DSP12 NC - Not used13 BYTE - GND14 CNVSS

29、 -15 XCIN I Clock 32,768kHz16 XCOUT I Clock 32,768kHz17 RESET I Reset18 XOUT - Clock 12MHz19 VSS - GND20 XIN - Clock 12MHz21 VCC1 -22 NMI I Not used23 PANEL DET I Panel detection H : No panel, L : Panel exists24 RDS CLK I RDS decoder clock24 NC O Not used L-output for models without RDS/RBDS25 LX RE

30、Q S I Communication request from slave unit26 PON AM I/O AM power supply control AM in operation : H, AM not in operation : HI-Z27 LX REQ M O Communication request to slave unit28 TUN IFC OUT I Front-end IFC out H : Station exists, L : No station29 NC O Not used30 RDS AFS M I/O Time constant switchi

31、ng when noise detected Refer to Truth Value Table r30 NC O Not used L-output for models without RDS/RBDS31 RDS QUAL I RDS decoder QUAL31 NC O Not used L-output for models without RDS/RBDS32 RDS DATA I RDS decoder DATA32 NC O Not used L-output for models without RDS/RBDS33 PWIC BEEP O Beep34 TUN SCL

32、I/O Front-end I2C clock35 TUN SDA I/O Front-end I2C data36 SYS DATA O Inside-panel communication data MAX 500kbpsKDC-MP7327Pin No. Pin Name I/O Function Processing Operation37 VCC1 -38 PAN DATA I Inside-panel communication data MAX 500kbps39 VSS -40 SYS REQ O Communication request from system -com41

33、 PAN REQ I Communication request from panel42 SDA I/O I2C data input output43 SCL I/O I2C clock input output44 PON PANEL I/O Panel 5V controlON : H (Momentary power down/Panel detached)11 Minutes after ACC OFF : Hi-Z45 DSI I/O DSI control4649 NC - Not used.50 PM MOT1 O Panel motor control 1 Refer to

34、 Truth Value Table w51 PM MOT2 O Panel motor control 2 Refer to Truth Value Table w52 EPM I Flash EPM53 PM OPEN I Panel full open detection Refer to Truth Value Table e5456 NC - Not used57 P5V DIS I/O Panel 5V discharge control H : Discharge, Other : Hi-Z58 PM CLOSE I Panel mechanism close detection

35、 Refer to Truth Value Table e59 ROMCOR DET I E2PROM write request H : Write60 PM DET I Panel mechanism detection H : Function check in progress61 SC CON O Inside-panel communication (Chip enable when flash) POWER OFF, ACC OFF : L62 NC - Not used63 TUN TYPE1 I Destination setting 1TUN TYPE1 : L, TUN

36、TYPE2 : LRefer to Truth Value Table t64 TUN TYPE2 I Destination setting 2TUN TYPE1 : L, TUN TYPE2 : LRefer to Truth Value Table t65,66 NC - Not used67 CD DISC12 SW I 12cm CD detection67 NC O Not used when MD Output L fixed when MD68 CD LOS SW I CD loading detection68 MD_LOS_EJE_SW I MD DISC position

37、 detection terminal69 CD MUTE R I CD mute (Rch) request L : Rch mute request69 NC O Not used when MD Output L fixed when MD70 CD MUTE L I CD mute (Lch) request L : Lch mute request70 MD_MUTE I MD MUTE request terminal L : MUTE request71 CD MRST O CD mechanism microcomputer reset L : Reset, H : Norma

38、l71 MD_MRST O MD mechanism -com RST terminal H : Normal, L : RESET72 CD MSTOP O CD mechanism microcomputer stopL : Mechanism microcomputer stop,H : Mechanism microcomputer in operation72 MD_MSTOP O MD mechanism -com stop terminalH : Mechanism -com in operation,L : Mechanism -com stop73 CD_DISC8_SW I

39、 CD disc detection terminal (8cm) (J only)73 NC - Not usedMICROCOMPUTERS TERMINAL DESCRIPTIONKDC-MP7328Pin No. Pin Name I/O Function Processing Operation74 CD LOE LIM SW I CD detection (Chucking SW) H : Loading complete, L : No disc74 MD_LOE_LIM_SW I MD detection terminal (chucking SW) H : Loading c

40、ompleted, L : No disc75 CD LOEJ I/O CD motor control Refer to Truth Value Table q75 MD_LOEJ I/O MD motor control terminal Refer to Truth Value Table q76 CD MOTOR O CD motor control Refer to Truth Value Table q76 MD_MOTOR O MD motor control terminal Refer to Truth Value Table q77 PON ILLUMI I/O Key i

41、llumination power supply control ON : H, OFF : Hi-Z78 PON CD I/O CD/WMA power supply control At time of CD source: H, Other than CD : Hi-Z78 PON_MD I/O MD servo power supply control terminalH : When MD mechanism in operation,Hi-Z : When other than MD source79 PON O Power supply control POWER ON : H,

42、 POWER OFF : L80 PON FL+B O Fruorescent indicator tube bias power supply control POWER ON : H, POWER OFF or display black out : L81 PON FDC I/O Fruorescent indicator tube filament power supply control POWER ON : L, POWER OFF or display black out : Hi-Z82 F SEL1 O SW-Reg frequency switching83 F SEL2

43、O SW-Reg frequency switching84 DIAG I/O P-CON excess current surveillance85 VCC2 -86 EXT AMP CON I/O External amplifier control86 NC O Not used Fixed to L-output for models without EXT_AMP87 VSS -8891 TYPE 1TYPE4 I Destination switching Refer to Truth Value Table y92 NC - Not used93 OEM DISP DATA I/

44、O External display DATA External display93 NC O Not used with DISP OUT Output L fixed94 OEM DISP CLK I/O External display CLK External display94 NC O Not used with DISP OUT Output L fixed95 OEM DISP CE I/O External display control request External display95 NC O Not used with DISP OUT Output L fixed

45、96 NC - Not used.97 P CON O External amplifier control POWER ON : H, POWER OFF or STANDBY : L98 NC - Not used.99 ANT CONT O Power antenna control TUNER ON : H100 ILLUMI DET I Dimmer illumination detection L : ON, H : OFF101 BU DET I Momentary power down detection BU : L, No BU or momentary power dow

46、n : H102 ACC DET I ACC power supply detection ACC ON : L, ACC OFF : H103 (PWIC SVR) O SVR discharge circuitH : 5 seconds after POWER OFF and momentarypower down, Then : L104 PWIC MUTE O Power IC muteL : When STANDBY source or momentary powerdown, L : When TEL MUTE105 PWIC STBY O Power IC standby con

47、trol POWER ON : H, POWER OFF : L106 LX CON O Start up request to slave unit H : SLAVE UNIT ON, L : SLAVE UNIT OFFMICROCOMPUTERS TERMINAL DESCRIPTIONKDC-MP7329Pin No. Pin Name I/O Function Processing Operation107 MUTE PRE R O Rch pre-out muteL : When “MUTE PRE R” is “L” or at momentarypower down, H :

48、 Only when 2-zone107 NC O Not used when MD Output L fixed108 CD MUTE PRE L O Lch pre-out muteL : When “MUTE PRE L” is “L” or at momentary powerdown, H : Only when 2-zone108 MUTE_PRE O PRE_OUT MUTE (MD) L : When at momentary power down109 MUTE 0 O E-VOL front mute ON : L, OFF : H110 MUTE 1 O E-VOL re

49、ar mute ON : L, OFF : H111 MUTE 2 O E-VOL sub mute ON : L, OFF : H112 NC O Not used113 DSP MUTE I/O DSP mute ON : L, OFF : Hi-Z113 NC O Not used when without DSP Output L fixed114 MUTE C O E-VOL AFS mute ON : L, OFF : H114 NC O Not used (in other than when the destination is E) Output L fixed115 DSP INIT RST O DSP initial reset L : Reset, H : Reset release115 NC O Not used when without DSP Output L fixed116 DSP S RST O DSP system reset L : Reset, H : Reset release116 NC O Not used when without DSP Output L fixed117 DSP RQ O Request t