Kenwood-KD-CMP-832-U-Service-Manual(1) 电路图 维修手册.pdf

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1、 2006-4 PRINTED IN JAPAN B53-0397-00 (N) 589 CD RECEIVER KDC-MP832U SERVICE MANUAL This product uses Lead Free solder. AMSW KDC-MP832U FF FMSCRL PTY/C.S.VOL AUD SET UP A.RDM RDM SCANS.MODEREP MENUAUTOAME F.SELM.RDM USB ATT ANG SIZE AA BATTERY (Not supplied) Panel assy (A64-3737-02) MODELTDF PANEL No

2、.TDF NAME KDC-MP832UY33-2530-61TDF-MP68D TDF PANEL INFORMATIONCD MECHANISM EXTENSIONCORD (30P) : E39-0812-05 DC cord (E30-6414-05) Escutcheon (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) Compact disc (W01-1

3、673-05) Screw set (N99-1758-05) Tapping screw (N09-6280-05) RC-527 RadioFans.CN 收音机爱 好者资料库 KDC-MP832U 2 BLOCK DIAGRAM PANEL AM+B F/E A1 CD LX BUS SW5V A8VA8V AGC E-VOL A3.3VREF+B SVR REF PRE MUTE IC POWER 9V PRE OUT PRE OUT PRE OUT AUX IN IC750 Q402 IC300 DRIVER MUTE IC102 RDS DECODER IC400 IC100 ME

4、MO 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 SW20V Q50 Q41 ILL+B SW14V A8V Q12 Q607 DC/DC (5VPRE) +B MOTOR Q30 PANEL 5V FDC SERVO Q31 USB 5V DRIVER MOTOR IC450 Q981 SW5V Q22 MECHA PANE

5、L CLOSE DET P CON ANT CON EXT.AMP.CON DIMMER ACC BACK UP LINE MUTE PANEL OPEN/ SP OUT(FR) SP OUT(RL) SP OUT(FL) SP OUT(RR) REMO D3.3V IC11 SW5V Q7 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 ILL+B ED1 ILL+B (SW)

6、(FRONT) (REAR) WIRED KEY Q10 TEL MUTE COMP DRIVE 3.3V IC5 KEY MATRIX SPE ANA IC3 CORR ROM REMO. CON. (FST) USB I/F IC104 Q10Q13 IC800 CONNECTOR 5P USB5VUSB IC80 HISIDE SW CD 5V DC/DC (FL)SW FL+B USB5V BU5V OP AMP SW MUTE RESET ICLEVEL SHIFTLEVEL SHIFT E2PROM FST FM/AM AUX CH CD SPE MUTE C MUTE 0,1,2

7、 WININ OFFSET MUTE C STBY for MPX RDS RST ANA SPE ANA DCERR PRE MUTE MUTE 0,1,2 MUTE A MUTE A USB I/F to CD MECHA Complete view RadioFans.CN 收音机爱 好者资料库 KDC-MP832U 3 Cable H/U30Pin FFCDXM-6810W/DXM-6820W CD_Mechanism High-side Switch USB_5V USBGND USB_D+ USB_D- 5V SW-Reg. (VBUS 5V ) SYS- uCOM P-ON /M

8、STOP PowerON SW Over Current Mecha- uCOM CS3.3V (CS1.8V) DECODER USB DRIVER USB_D+ USB_D- /INT /RESET P-ON USB CONNECTOR BU3.3V /CS RST BU5.0V BU14V D5.0V EVOLDAC LFP L-ch R-ch BU5.0V CN1 IC19 IC1 IC20,21 IC15 IC25 IC18 IC13 LD F E TR COIL PD C BA FO COIL IC2 SDRAM 64Mbit Motor Driver -COM 3.3V Reg.

9、 DAC 3.35V BU5V 3.35V (SW3.3V) C16 SER2(3/4Wire) CD I/F Memory Controller SW3.3V(712) CS3.3V (CS7410) CS1.8V (CS7410) BU3.3V SW A5V A8V BU5V A8V D5V(D4V) S7.5 S7.5V BU5 SW3.3V(712) CS3.3V & CS1.8V BU3.3V RF AMP SERVO DSP SW A5V CS3.3V LPF 3.35V (BU5V) I2S SW SP MOTOR Loading & sled MOTOR LOE/LIM- 8E

10、JE-SW 12EJE-SW LOS-SW delay D5V(D4V) Flash Memory 8Mbit CS3.3V (CS7410) 1M*8bit1M*4B*16bit DRAM 4,8,16bit 256K ROM 8bit 02MB To MAIN BOARD Audio_Rch Audio_Lch SW A8V PCM_DATA PCM_BCLK PCM_LRCK PCM_XCK DAC_RST DAC_MUTE EMPH Infinity 0 Det. BREQ SREQ CLK B_DAT S_DAT DATA_MUT DA_EMPH INTQ SO A0 SI STB

11、SCK /RESET DATA LRCK BCLK PLL CS3.3V (CS7410) POWER CS POW 11.500MHz 16.893M POW ON CS POWER /AUDIO MUTE /MRESET /MSTOP I2CDATA /I2CCLK USB_D+ USB_D- /OC /PO USB DRIVER NAND GATE CS3.3V (CS7410) 3STATE BUFFER CS3.3V (CS7410) CS3.3V (CS7410) /CSRST CS EMPH 6.00MHz /CSRST /CS , A20 /USB_CS /NV_CS CKO

12、() DPU1 IC4 IC14 IC5 IC21 IC20 IC19 3.3V Reg. 1.8V Reg. 3.3V Reg. 5V Reg. IC1 IC15 ACD DECODER MP3/WMA/AAC DECODER IC28 IC16IC17 IC26 IC25 IC18 IC13 Q7 Q6 Q3 CN1 AC Drive + USB Mechanism unit CD player unit (X32-583) BLOCK DIAGRAM RadioFans.CN 收音机爱 好者资料库 KDC-MP832U 4 ELECTRIC UNIT (X34-4100-11) Ref.

13、 No.Application / FunctionOperation / Condition / Compatibility IC10Audio8V Ref Power SupplyOutput 1.27V. 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/USB mechanism, Panel, v

14、olume and tone. IC103Muting logic ICControls logic for muting. IC104EEPROMFor installers memory IC200Power Control ICPower control switch IC300Electrical Volume & Source SelectorControls the source, volume, and tone. IC400RDS decoder Panel mecha control IC450Panel mecha motor driver IC451G-AnalyzerA

15、nalog gravity sensor. 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 Audio 3.3V Ref SupplyAudio 3.3V Ref supply to electrical volume and all low pass filters. SVR6.8V Ref

16、 SupplySVR6.8V Ref supply to power IC. Power Supply for VFD USB5V & Mecha digital. IC901Switching Regulator ControllerCH1: VFD & USB5V (5.1V) CH2: Mecha digital (DXM-68: 5.1V ) IC951Power control ICUSB power control switches with over current detection and protection. Q10,11Audio8V AVRWhen Q11 2pin

17、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 Q23base goes Hi, SW5V outputs +5V. Q30,32 Moter+B AVR When Q9base goes Hi, Moter+B AVR outputs 7.5V. (Panel Mecha) Q31,33Servo+B AVRWhen Q33base

18、goes Hi, Servo+B AVR outputs 8.5V. Q34SW14VWhen Q12 2pin goes Hi, SW14V outputs 14V. Q40,42,45Panel5V AVRWhen Q42 2pin goes Hi, Panel5V 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 (BU-0.6) V.

19、Q91Panel5V Discharge SWWhen Q91base goes Hi, Panel 5V is discharged. Q100,101Panel Detect SWWhen Q100base goes Lo, panel is detected. Q201Pre-out mute driverWhen a base gose Lo, mute driver is turned on. COMPONENTS DESCRIPTION IN Panel mecha IN1IN2 LLWAIT LHOPEN HLCLOSE HHSTOP KDC-MP832U 5 Ref. No.A

20、pplication / FunctionOperation / Condition / Compatibility Q202Acc Detect SWWhen Q202base gose Hi, Acc voltage is detected. Q204Surge Detect SWWhen Q204base goes Hi, Surge voltage is detected. Q205B.U Detected SWWhen Q35base gose Hi, B.U voltage is detected. Q207Small-lamp Detect SWWhen Q207base goe

21、s Hi, Small-lamp is detected. Q208,209Power Antenna SWWhen Q206base goes Hi, power antenna switch outputs 14V. Q210Pre-out mute driverWhen a base gose Lo, mute driver is turned on. Q402,403AM+B SWWhen Q403base gose Hi, AM+B is outputs. DSI lights when the base is “L”. Q450DSI DriverDSI turns off whe

22、n the base is “H”. DSI turns on and off when panel is taken off. Q600602Pre-Amp +9V 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 an

23、d -9.1V is supplied to OP Amp for Pre-out. Q606,607AUDIO 10.5V AVRWhen Q606base goes Hi,AVR outputs 10.5V. Q608615Pre-out mute SWWhen a base gose Hi, Pre-out is set to mute. Q800,802REF+B AVRWhen Q800base goes Hi, AVR outputs 13V. Q801SVR6.8V Ref Supply AGC ControllerWhen the voltage of B.U voltage

24、falls, a return is hung and an output is reduced. Q901VFD&USB5V AVR SWWhen base goes Hi, VFD & USB5V AVR on. Q902Mecha digital AVR SW When base goes Hi, Mecha digital AVR on. DXM-680 : 5V Switching Regulator frequency control SW Q903 (IC901) Q981983SW16V (Surge Protection)When Q9832 pin goes Hi, SW1

25、6V outputs (BU-0.6) V. SWITCH UNIT (X16-3540-14) Ref. 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.

26、3V from 5V IC8BUFFER ICIt is change into 5V from 3.3V 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 COMPONENTS DESCRIPTION 2pin LH 1pin L430kHz60

27、0kHz H650kHz820kHz KDC-MP832U 6 Ref. No.Application / FunctionOperation / Condition / Compatibility 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 leve goes “H” Q4GREEN LED SWGreen LED are lighting when Q4s base level

28、 goes “H” Q5RED LED SWRed LED are lighting when Q5s base level goes “H” Q6SW3.3V SWSW3.3V the power supply of IC1, 3 is turned on when Q6s base level goes “L” Q7,8SW5V SWSW5V 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

29、level goes “H” Q12FL BLK SWED1 is lighted on when Q7s base level goes “H” Q11,13FL+B SWFL+B (VDD2) is turned on when Q11s base level goes “H” CD PLAYER UNIT (X32-5830-00) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1Mechanism -COM IC2Signal Processor IC4BTL DriverSpindel mo

30、tor, sled (including loading & eject) motor and pick-up actuator IC5SW3.3V Regulator3.3V power supply for IC2, pick-up, IC18 digital part IC13Audio Active Filter2nd LPF IC14A5V Regulator3.3V power supply for DAC IC15DSP for Compression Audio DecoderACDrive decoder, MP3/WMA/AAC decoder IC16Compressio

31、n Audio Codec SDRAM IC17 Decoder Software & Unique ID Strage Flash ROM IC18Audio D-A Converter (24-bit external)External 24-bit for audio IC19BU3.3V Regulator3.3V power supply for -com IC201.8V Regulator1.8V power supply for IC15 core part IC21 Decoder/SDRAM/Flash ROM/USB DriverPower supply for deco

32、der, SDRAM, flash ROM and USB driver. 3.3V Regulator3.3V power supply for IC15 port parts, IC16, IC17, IC25, IC26 and IC28. IC25USB Host Controller IC26 Switching among IC15 & Flash ROM & SDRAM For DSP for Compression Audio Decoder, Flash ROM, SDRAM and USB & USB IC28Clock SWTo SDRAM Q3Level Shift 3

33、.3V5V Q6,7Level Shift 3.3V5V Q8APC (Auto Power Control) Q9,10Anticipation Sub-beam DelayDuring non-searching Q16Logic Inverter-com “ZERO” terminal Q17USB Hi-side SW Q18Logic InverterFor DACMUTE terminal D2Static Electricity CountermeasureFor IC2 built-in reset terminal D3Laser Diode Protection D9Sta

34、tic Electricity Countermeasure COMPONENTS DESCRIPTION KDC-MP832U 7 MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER 30625MGPA87GP (X34- : IC102) Pin No.Pin NameModuleI/OApplication Truth Processing/Operation/Description value table 1VREFCOM-A/D analog reference voltage 2AVCCCOM- 3LX_DATA_SLX

35、_MIData from slave unit 4LX_DATA_MLX_MOData to slave unit 5LX_CLKLX_MI/OLX BUS clock 6NCONot used when no WIRED_REMOOutput L fixed 7LX_MUTELX_MIMUTE request from slave unitH: Mute ON, L: Mute OFF 8AUD_SDAAUDIOOE-VOL data output terminalSPI communication 9AUD_SELAUDIOOE-VOL control terminalSPI commun

36、ication 10AUD_SCLAUDIOOE-VOL clock output terminalSPI communication 11,12NCONot usedOutput L fixed 13BYTECOM- 14CNVSSCOM- 15XCINCOMI32768kHz 16XCOUTCOMI32768kHz 17RESETCOMI 18XOUTCOM-12MHz 19VSSCOM- 20XINCOM-12MHz 21VCC1COM- 22NMICOMINot used 23PANEL_DETEXTRAIFor 1 DIN: Panel detectionH: PANEL detac

37、hed, L: PANEL attached 24RDS_CLKTUNERIRDS decoder CLK input terminal 25LX_REQ_SLX_MICommunication request from slave unit 26PON_AMPower supply I/OAM power supply controlH: When AM, Hi-z: When not AM 27LX_REQ_MLX_MOCommunication request to the slave unit 28TUN_IFC_OUTTUNERIF/E IFC OUT input terminalH

38、: Station found, L: Station not found 29NCONot usedOutput L fixed 30RDS_AFS_MTUNERI/OSwitching constant when noise detectedrRefer to the truth value table 31RDS_QUALTUNERIRDS decoder QUAL input terminal 32RDS_DATATUNERIRDS decoder DATA input terminal 33PWIC_BEEPPWICOBeep output 34TUN_SCLTUNERI/OF/E

39、I2C clock input/output terminal 35TUN_SDATUNERI/OF/E I2C data input/output terminal 36SYS_DATAtoPANELO Inter-panel communication data output Data output (MAX500kbps) terminal 37VCC1COM- KDC-MP832U 8 Pin No.Pin NameModuleI/OApplication Truth Processing/Operation/Description value table 38PAN_DATAtoPA

40、NELI Inter-panel communication data input Data input (MAX500kbps) terminal 39VSSCOM- 40SYS_REQtoPANELO Communication request terminal from system -com 41PAN_REQtoPANELI Communication request terminal from panel 42SDA/CD_SDACDI/O CD mechanism I2C data input/output terminal 42SDA/INST_SDAEXTRAI/OE2PRO

41、M I2C data input/output terminal 43SCL/CD_SCLCDI/OCD mechanism I2C clock output terminal 43SCL/INST_SCLEXTRAI/OE2PROM I2C clock output terminal H: ON, Hi-Z: Momentary power down, 44PON_PANELPower supply I/OPanel 5V control terminalwhen panel detached (1DIN), 11 min. after ACC_OFF 45DSIEXTRAI/O(D) SI

42、 control terminal for 1DIN 4649NCONot usedOutput L fixed 50PM_MOT1P-MECHAO1DIN panel motor control 1wRefer to the truth value table 51PM_MOT2P-MECHAO1DIN panel motor control 2wRefer to the truth value table 52EPMCOMIFLASH EPM input terminal 53PM_OPENP-MECHAI1DIN panel full-open detectioneRefer to th

43、e truth value table 54NC (CUR DET)ONot usedOutput L fixed 55SW_FDCPower supply I/O FL tube filament power supply controlON: H terminalOFF, Display black out: Hi-Z 56NC(SW_USB)ONot usedOutput L fixed 57P5V_DISPower supply I/O PANEL 5V discharge control for 1DIN H: Discharge, Hi-Z: Other Reset securin

44、g when power OFF 58PM_CLOSEP-MECHAIPanel mechanism close detection for 1DINeRefer to the truth value table 59ROMCOR_DETEXTRAIE2PROM writing-in requestH: Writing-in 60PM_DETP-MECHAIPanel mechanism detection for 1DINH: While checking function 61SC_CONtoPANELO Inter-panel communication control POWER OF

45、F, ACC OFF: L (CE when FLASH) 62NCONot usedOutput L fixed 63TUN_TYPE1TYPEIDestination setting 1tRefer to the truth value table 64TUN_TYPE2TYPEIDestination setting 2tRefer to the truth value table 65,66NCONot usedOutput L fixed 67CD_DISC12_SWCDICD disc detection terminal (12cm) 68CD_LOS_SWCDICD loadi

46、ng detection terminal 69CD_MUTE_RCDICD MUTE (Rch) request terminalL: Rch mute request MICROCOMPUTERS TERMINAL DESCRIPTION KDC-MP832U 9 Pin No.Pin NameModuleI/OApplication Truth Processing/Operation/Description value table 70CD_MUTE_LCDICD MUTE (Lch) request terminalL: Lch mute request 71CD_MRSTCDOCD

47、 mechanism -com RST terminalH: Normal, L: RESET 72CD_MSTOPCDOCD mechanism -com stop terminal H: Mechanism -com in operation L: Mechanism -com stop 73NCCDO(other than J)Output L fixed when other than J 74CD_LOE_LIM_SWCDICD detection terminal (chucking SW)H: Loading completed, L: No disc 75CD_LOEJCDI/

48、OCD motor control terminalqRefer to the truth value table 76CD_MOTORCDOCD motor control terminalqRefer to the truth value table 77PON_ILLUMIPower supply I/OKey illumi power supply controlH: ON, Hi-Z: OFF 78PON_CDPower supply I/O Power supply control terminal forL: When CD source CD WMAHi-Z: When oth

49、er than CD source 79PONPower supplyOPower supply controlPOWER ON: H, POWER OFF: L 80PON_FL+BPower supplyO Power supply control terminal for FLPOWER ON: H tube biasPOWER OFF, Display black out: L FL tube filament power supplyPOWER ON: L 81PON_FDC_USBPower supply I/OUSB VBUSPOWER OFF Main power supply control terminalDisplay black out: Hi-Z 82F_SEL1EXTRAOSW-Reg frequency switchinguRefer to the truth value table 83F_SEL2EXTRAOSW-Reg frequency switchinguRefer to the truth value table 84DIAGPower supply I/OPCON over-current monitoring 85VCC2COM- 86NCONot used Fixed to L-outp