Kenwood-KDCMP-732-Service-Manual(2) 电路图 维修手册.pdf

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1、 2005-12 PRINTED IN JAPAN B53-0362-00 (N) 589 CD RECEIVER KDC-MP732 SERVICE MANUAL This product uses Lead Free solder. SIZE AA BATTERY (Not supplied) MODELTDF PANEL No.TDF NAME KDC-MP732Y33-2430-61TDF-MP67D TDF PANEL INFORMATION CD MECHANISM EXTENSIONCORD (24P) : W05-0934-00 DC cord (E30-6428-05) Es

2、cutcheon (B07-3126-01) Mounting hardware assy (J21-9716-03) Remote controller assy (A70-2067-15) Lever (D10-4589-04) x2 Carrying case (W01-1661-05) Screw set (N99-1758-05) Tapping screw (N09-6280-05) Panel assy (A64-3732-02) RC-527 RadioFans.CN 收音机爱 好者资料库 KDC-MP732 2 BLOCK DIAGRAM AM+B F/E A1 CD LX

3、BUS SW5V A8V A8V AGC E-VOL LPFDACLPF A3.3VA5V D3.3VD5VBU5V A8V A3.3VREF+B SVR REF PRE MUTEAMP OP IC POWER 9V PRE OUT PRE OUT PRE OUT AUX IN SHIFT LEVEL D3.3V IC303IC305 IC1 IC5IC3 IC4 IC800Q802 Q608-613 IC800 IC750 Q402 IC300 IC601-603 IC103 DRIVER MUTE BU5V IC102 RDS DECODER IC400 IC100 MD-DET MEMO

4、 INSTALLER ROM CORR SW5V BU5V A8V D5V SERVO Q450 DSI BU5V UP BACK RESET ICBU5V u-COM OPEL DISP P-CON ANT-CON EXT AMP ACC DET DIMMER SURGE DET B.U DET Q20 BU5V SW16V Q50 Q41 ILL+B SW14V IC10 A8V Q12 IC600 DC/DC (5VPRE) +B MOTOR Q30 PANEL 5V (FL) SERVO Q63 FL DC Q31 DC/DC IC80 DRIVER MOTOR IC450 CD5V

5、Q64 SW5V Q22 MECHA PANEL CLOSE OPEN/ DET P CON ANT CON EXT.AMP.CON DIMMER ACC BACK UP LINE PANEL SP OUT(FR) SP OUT(RL) SP OUT(FL) SP OUT(RR) REMOTE D3.3V IC11 SW5V Q7,8 D2.5V IC10 FL+BFL3.3V FL Q6 SW3.3V PANEL u-COM IC4 RESET SW IC1 FLASH ROM ENCODER ROTARY IC2 IC6 KEY ILL BU5V SW5V SERVO D5V A8V 9V

6、 ILL+B Q40 ED1 ILL+B (SW) (FRONT) (REAR) WIRED Q205 Q203,204 Q202 Q207 Q206 Q208 IC200 KEY Q10 TEL MUTE COMP DRIVE 3.3V ADC DSP IC5 RESET IC KEY MATRIX LEVEL SHIFTSHIFT LEVEL SPE ANA IC3 CORR ROM REMO. CON. (FST) MD E2PROM FST FM/AM AUX CH CDorMD SPE MUTE A,C MUTE 0,1,2 WININOFFSET RST MUTE A,C STBY

7、 for MPX RDS RST ANA SPE ANA DCERR PRE MUTE MUTE 0,1,2 PANEL CD PLAYER UNIT (X32-586x-xx) (X34- ) BOARD MOTHER EF A C B TR COIL FO COIL DPU1 APC IC7 16.934MHz CLOCK IC3 LPF IC2 SWA3.3V REG IC1 LOADING & MECHA u-COM IC4 CLOCK 16.00MHz RF AMP SERVO MP3 DECODER WMA DECODER 1Mbit SRAM PROCESSOR D3.3V RE

8、G IC6 MOTOR DRIVER MOTOR SPINDLE BU3.3V REG IC5 S2 S4 S1 S3 AAC DECODER SLED MOTOR DM2 DM1 Q4 X2 X1 Q7,8 0-01 ONLY IC10 4Mbit DRAM + + + + + 1.6V REG VREF D.GND BU5V 8EJE-SW 12EJE-SW LOS-SW LOE/LIM-SW D.GND D5.0V MOTOR LO/EJ S.GND D.GND D.GND S.GND DATA MUTE R MUTE L MSTOP MRST CLK A.GND A8V R-ch L-

9、ch D.GND S.GND D.GND D.GND D.OUT S7.5V DMUTE D.GND P-ON1 P-ON2 RadioFans.CN 收音机爱 好者资料库 KDC-MP732 3 COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-3730-11) Ref. No.Application / FunctionOperation / Condition / Compatibility IC10Audio 8V Ref Power SupplyOutput 1.27V. Power Supply for VFD & Mecha digital. I

10、C60Switching Regulator ControllerCH1 : VFD (4.7V) CH2 : Mecha digital (DXM-680 x : 4V , Other : 5V) IC80Switching RegulatorPower supply for VFD. (57V) IC100Reset IC“L” when detection voltage goes below 3.6V or less. IC102System -com Controls FM/AM tuner, the changer, CD/MD mechanism, Panel, volume a

11、nd tone. IC103Muting logic ICControls logic for muting. IC104EEPROMFor instrallers memory IC200Power Control ICPower control switch IC300Eelectrical Volume & Source SelecterControls the source, volume, and tone. Panel mecha control IC450Panel mecha motor driver IC451G-AnalyzerAnalog gravity sensor.

12、IC6009V AVRPower supply for 5V Pre Out OP-AMP. IC6016035V Pre-out AMPOutput buffer and gain control. IC750Power ICAmplifies the front L/R and the rear L/R to 50W maximum. IC800 Audio3.3V Ref SupplyAudio 3.3V Ref supply to electrical volume and all low pass filters. SVR6.8V Ref SupplySVR6.8V Ref supp

13、ly to power IC. Q10,11Audio8V AVRWhen Q11 2in goes Hi, A8V AVR outputs 8.0V. Q12SW14VWhen Q12 2pin goes Hi, SW14V outputs 14V. Q20,21B.U.5V AVRWhile BU is applied, BU5V AVR outputs +5V. Q22,23SW5VWhen Q23 base goes Hi, SW5V outputs +5V. Q30,32Moter+B AVR (Panel Mecha)When Q9 base goes Hi, Moter+B AV

14、R outputs 7.5V. Q31,33Servo+B AVRWhen Q33 base goes Hi, Servo+B AVR outputs 8.5V. Q40,42,45Panel5V AVRWhen Q42 2pin goes Hi, anel5V AVR outputs 5V. Q41,43,44Illumination AVRWhen Q43 2pin goes Hi, Ill AVR outputs 10.5V. Q5052SW16V (Surge Protection)When Q51 2pin goes Hi, SW16V outputs 13V. Q60VFD (4.

15、7V) AVR SWWhen base goes Hi, VFD AVR off. Q61Switching Regulator frequency control SW (IC60) Q62Mecha digital AVR SW When base goes Hi, Mecha digital AVR off. DXM-680 x : 4V, Other : 5V IN1IN2Panel mecha LLWAIT LHOPEN HLCLOSE HHSTOP 1pin 2pin LH L400kHz600kHz H650kHz850kHz RadioFans.CN 收音机爱 好者资料库 KD

16、C-MP732 4 COMPONENTS DESCRIPTION Ref. No.Application / FunctionOperation / Condition / Compatibility Q63VFD (4.7V) AVR Switching Power Driver This FET is governed by IC60. Frequency is decided at Q61. Q64Mecha digital AVR Power Driver This FET is governed by IC60. Frequency is fixed 400kHz. Q80,81VF

17、D (57V) AVR SWWhen Q81 base goes Hi, VFD (57V) AVR outputs 57V. Q91Panel5V Discharge SWWhen Q91 base goes Hi, Panel5V is discharged. Q100,101Panel Detect SWWhen Q100 base goes Lo, panel is detected. Q200,201Pre-out mute driverWhen a base gose Lo, mute driver is turned on. Q202Acc Detect SWWhen Q202

18、base gose Hi, Acc voltage is detected. Q204Surge Detect SWWhen Q204 base goes Hi, IC750 is changed into a standby state. Q205B.U Detected SWWhen Q35 base gose Hi, B.U voltage is detected. Q207Small-lamp Detect SWWhen Q207 base goes Hi, Small-lamp is detected. Q208,209Power Antenna SWWhen Q206 base g

19、oes Hi, power antenna switch outputs 14V. Q300DSP mute SWWhen base goes Lo, DSP is set to mute. Q402,403AM+B SWWhen Q403 base gose Hi, AM+B is outputs. DSI lights when the base is “L”. Q450DSI DriverDSI turns off when the base is “H”. DSI turns on and off when panel is taken off. Q600602Pre-Amp +9V

20、AVR Q600 and 602 works as a differential amplifier, Q601 works as a driver and +9.4V is supplied to OP Amp for Pre-out. Q603605Pre-Amp -9V AVR Q603 and 605 works as a differential amplifier, Q604 works as a driver and -9.1V is supplied to OP Amp for Pre-out. Q606,607AUDIO 10.5V AVRWhen Q606 base goe

21、s Hi, AVR outputs 10.5V. Q608613Pre-out mute SWWhen a base gose Hi, Pre-out is set to mute. Q800,802REF+B AVRWhen Q800 base goes Hi, AVR outputs 13V. Q801SVR6.8V Ref Supply AGC Controller When the voltage of B.U voltage falls, a return is hung and an output is reduced. SWITCH UNIT (X16-3540-10) Ref.

22、 No.Application / FunctionOperation / Condition / Compatibility IC1 ROM IC Graphics data included FLASH ROM IC IC4PANEL -COM IC5RESET ICWhen panel is attached, IC5 active IC6REMOTE CONTROL ICRemote control receiver IC7BUFFER ICIt is change into 3.3V from 5V IC8BUFFER ICIt is change into 5V from 3.3V

23、 IC9BUFFER ICFor Control ED1 IC102.5V REGULATORThe power supply For 2.5V IC113.3V REGULATORThe power supply For 3.3V Q1 TRIANGLE GREEN Triangle green LED is lighting when Q1s base level goes “H” LED SW KDC-MP732 5 COMPONENTS DESCRIPTION Ref. No.Application / FunctionOperation / Condition / Compatibi

24、lity Q2 TRIANGLE RED Triangle red LED is lighting when Q2s base level goes “H” LED SW Q3BLUE LED SWBlue LED are lighting when Q3s base level goes “H” Q4GREEN LED SWGreen LED are lighting when Q4s base level goes “H” Q5RED LED SWRed LED are lighting when Q5s base level goes “H” Q6SW3.3V SW SW3.3V the

25、 power supply of IC1, 3 is turned on when Q6s base level goes “L” Q7,8SW5V SW SW5V the power supply of IC2, 6 is turned on when Q8s base level goes “H” Q9,10FL3.3V SWFL+3.3V (VDD1) is turned on when Q9s base level goes “H” Q12FL BLK SWED1 is lighted on when Q7s base level goes “H” Q11,13FL+B SWFL+B

26、(VDD2) is turned on when Q11s base level goes “H” CD PLAYER UNIT (X32-5860-00) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1A3.3V regulatorPower supply for audio 3.3V IC2Ope amp for low-pass filter IC34ch BTL driverDriving spindle motor and loading/ejection operation IC4Mec

27、hanism -com IC5BU 3.3V regulatorPower supply for backup 3.3V IC6D3.3V regulatorDigital 3.3V power supply IC7Audio DAC built-in servo DSPMP3, WMA, and AAC compatible IC11Buffer ICLevel shift Q1A3.3V discharge circuit Q4Current ampAdjusts current to be sent to laser Q5,6SW 5V Q7,8SW 8V D1For current a

28、mp KDC-MP732 6 MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER : 30625MGPA78GP (X34 : IC102) Pin No.Pin NameI/OFunctionProcessing Operation 1VREF-Analog reference voltage 2AVCC- 3LX DATA SIData from slave unit 4LX DATA MOData to slave unit 5LX CLKI/OLX-BUS clock 6WIRED REMOIExternal display

29、 remoter controller 7LX MUTEIMute request from slave unitH : MUTE ON, L : MUTE OFF 8AUD SDAOE-VOL dataSPI communication 9AUD SELOE-VOL controlSPI communication 10AUD SCLOE-VOL clockSPI communication 10DSP_SCLODSP clock output terminalSPI communication 11DAC RSTODAC resetL : DAC RESET 11NCONot usedL-

30、output for models without DSP 12NC-Not used 13BYTE-GND 14CNVSS- 15XCINIClock32,768kHz 16XCOUTIClock32,768kHz 17RESETIReset 18XOUT-Clock12MHz 19VSS-GND 20XIN-Clock12MHz 21VCC1- 22NMIINot used 23PANEL DETIPanel detectionH : No panel, L : Panel exists 24RDS CLKIRDS decoder clock 24NCONot usedL-output f

31、or models without RDS/RBDS 25LX REQ SICommunication request from slave unit 26PON AMI/OAM power supply controlAM in operation : H, AM not in operation : HI-Z 27LX REQ MOCommunication request to slave unit 28TUN IFC OUTIFront-end IFC outH : Station exists, L : No station 29NCONot used 30RDS AFS MI/OT

32、ime constant switching when noise detectedRefer to Truth Value Table r 30NCONot usedL-output for models without RDS/RBDS 31RDS QUALIRDS decoder QUAL 31NCONot usedL-output for models without RDS/RBDS 32RDS DATAIRDS decoder DATA 32NCONot usedL-output for models without RDS/RBDS 33PWIC BEEPOBeep 34TUN

33、SCLI/OFront-end I2C clock 35TUN SDAI/OFront-end I2C data 36SYS DATAOInside-panel communication dataMAX 500kbps KDC-MP732 7 Pin No.Pin NameI/OFunctionProcessing Operation 37VCC1- 38PAN DATAIInside-panel communication dataMAX 500kbps 39VSS- 40SYS REQOCommunication request from system -com 41PAN REQICo

34、mmunication request from panel 42SDAI/OI2C data input output 43SCLI/OI2C clock input output 44PON PANELI/OPanel 5V control ON : H (Momentary power down/Panel detached) 11 Minutes after ACC OFF : Hi-Z 45DSII/ODSI control 4649NC-Not used. 50PM MOT1OPanel motor control 1Refer to Truth Value Table w 51P

35、M MOT2OPanel motor control 2Refer to Truth Value Table w 52EPMIFlash EPM 53PM OPENIPanel full open detectionRefer to Truth Value Table e 5456NC-Not used 57P5V DISI/OPanel 5V discharge controlH : Discharge, Other : Hi-Z 58PM CLOSEIPanel mechanism close detectionRefer to Truth Value Table e 59ROMCOR D

36、ETIE2PROM write requestH : Write 60PM DETIPanel mechanism detectionH : Function check in progress 61SC CONOInside-panel communication (Chip enable when flash)POWER OFF, ACC OFF : L 62NC-Not used 63TUN TYPE1IDestination setting 1 TUN TYPE1 : L, TUN TYPE2 : L Refer to Truth Value Table t 64TUN TYPE2ID

37、estination setting 2 TUN TYPE1 : L, TUN TYPE2 : L Refer to Truth Value Table t 65,66NC-Not used 67CD DISC12 SWI12cm CD detection 67NCONot used when MDOutput L fixed when MD 68CD LOS SWICD loading detection 68MD_LOS_EJE_SWIMD DISC position detection terminal 69CD MUTE RICD mute (Rch) requestL : Rch m

38、ute request 69NCONot used when MDOutput L fixed when MD 70CD MUTE LICD mute (Lch) requestL : Lch mute request 70MD_MUTEIMD MUTE request terminalL : MUTE request 71CD MRSTOCD mechanism microcomputer resetL : Reset, H : Normal 71MD_MRSTOMD mechanism -com RST terminalH : Normal, L : RESET 72CD MSTOPOCD

39、 mechanism microcomputer stop L : Mechanism microcomputer stop, H : Mechanism microcomputer in operation 72MD_MSTOPOMD mechanism -com stop terminal H : Mechanism -com in operation, L : Mechanism -com stop 73CD_DISC8_SWICD disc detection terminal (8cm) (J only) 73NC-Not used MICROCOMPUTERS TERMINAL D

40、ESCRIPTION KDC-MP732 8 Pin No.Pin NameI/OFunctionProcessing Operation 74CD LOE LIM SWICD detection (Chucking SW)H : Loading complete, L : No disc 74MD_LOE_LIM_SWIMD detection terminal (chucking SW)H : Loading completed, L : No disc 75CD LOEJI/OCD motor controlRefer to Truth Value Table q 75MD_LOEJI/

41、OMD motor control terminalRefer to Truth Value Table q 76CD MOTOROCD motor controlRefer to Truth Value Table q 76MD_MOTOROMD motor control terminalRefer to Truth Value Table q 77PON ILLUMII/OKey illumination power supply controlON : H, OFF : Hi-Z 78PON CDI/OCD/WMA power supply controlAt time of CD s

42、ource: H, Other than CD : Hi-Z 78PON_MDI/OMD servo power supply control terminal H : When MD mechanism in operation, Hi-Z : When other than MD source 79PONOPower supply controlPOWER ON : H, POWER OFF : L 80PON FL+BOFruorescent indicator tube bias power supply controlPOWER ON : H, POWER OFF or displa

43、y black out : L 81PON FDCI/OFruorescent indicator tube filament power supply controlPOWER ON : L, POWER OFF or display black out : Hi-Z 82F SEL1OSW-Reg frequency switching 83F SEL2OSW-Reg frequency switching 84DIAGI/OP-CON excess current surveillance 85VCC2- 86EXT AMP CONI/OExternal amplifier contro

44、l 86NCONot usedFixed to L-output for models without EXT_AMP 87VSS- 8891TYPE 1TYPE4IDestination switchingRefer to Truth Value Table y 92NC-Not used 93OEM DISP DATAI/OExternal display DATAExternal display 93NCONot used with DISP OUTOutput L fixed 94OEM DISP CLKI/OExternal display CLKExternal display 9

45、4NCONot used with DISP OUTOutput L fixed 95OEM DISP CEI/OExternal display control requestExternal display 95NCONot used with DISP OUTOutput L fixed 96NC-Not used. 97P CONOExternal amplifier controlPOWER ON : H, POWER OFF or STANDBY : L 98NC-Not used. 99ANT CONTOPower antenna controlTUNER ON : H 100I

46、LLUMI DETIDimmer illumination detectionL : ON, H : OFF 101BU DETIMomentary power down detectionBU : L, No BU or momentary power down : H 102ACC DETIACC power supply detectionACC ON : L, ACC OFF : H 103(PWIC SVR)OSVR discharge circuit H : 5 seconds after POWER OFF and momentary power down, Then : L 1

47、04PWIC MUTEOPower IC mute L : When STANDBY source or momentary power down, L : When TEL MUTE 105PWIC STBYOPower IC standby controlPOWER ON : H, POWER OFF : L 106LX CONOStart up request to slave unitH : SLAVE UNIT ON, L : SLAVE UNIT OFF MICROCOMPUTERS TERMINAL DESCRIPTION KDC-MP732 9 Pin No.Pin NameI

48、/OFunctionProcessing Operation 107MUTE PRE RORch pre-out mute L : When “MUTE PRE R” is “L” or at momentary power down, H : Only when 2-zone 107NCONot used when MDOutput L fixed 108CD MUTE PRE LOLch pre-out mute L : When “MUTE PRE L” is “L” or at momentary power down, H : Only when 2-zone 108MUTE_PRE

49、OPRE_OUT MUTE (MD)L : When at momentary power down 109MUTE 0OE-VOL front muteON : L, OFF : H 110MUTE 1OE-VOL rear muteON : L, OFF : H 111MUTE 2OE-VOL sub muteON : L, OFF : H 112NCONot used 113DSP MUTEI/ODSP muteON : L, OFF : Hi-Z 113NCONot used when without DSPOutput L fixed 114MUTE COE-VOL AFS muteON : L, OFF : H 114NCONot used (in other than when the destination is E)Output L fixed 115DSP INIT RSTODSP initial resetL : Reset, H : Reset release 115NCONot used when without DSPOutput L fixed 116DSP S RSTODSP system resetL : Reset, H : Reset release 116NCONot used when without D