Kenwood-KDCX-890-Service-Manual(2) 电路图 维修手册.pdf

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1、 2006-4 PRINTED IN JAPAN B53-0396-00 (N) 960 CD RECEIVER KDC-W7534U/W7534UY KDC-X890/X9533U SERVICE MANUAL This product uses Lead Free solder. SIZE AA BATTERY (Not supplied) AMSW KDC-X890 FF FMSCRL PTY/C.S.VOL AUD SET UP A.RDM RDM SCANS.MODEREP MENUAUTOAME F.SELM.RDM USB ATT ANG AMSW KDC-W7534U FF F

2、MSCRL PTYVOL AUD SET UP A.RDM RDM SCANS.MODEREP MENUTIAME F.SELM.RDM USB ATT ANG AMSW KDC-X9533U FF FMSCRL VOL AUD SET UP A.RDM RDM SCANS.MODEREP MENUAUTOAME F.SELM.RDM USB ATT ANG Panel assy (A64-3738-02) MODELTDF PANEL No.TDF NAME KDC-W7534U/W7534UYY33-2530-62TDF-W7534U KDC-X890Y33-2530-60TDF-68DX

3、 KDC-X9533UY33-2530-63TDF-X9533U TDF PANEL INFORMATIONCD MECHANISM EXTENSIONCORD (30P) : E39-0812-05 DC cord (K,M type) (E30-6408-05) DC cord (E type) (E30-6412-05) Escutcheon (B07-3125-01) Mounting hardware assy (J21-9716-03) Remote controller assy (A70-2067-15) Lever (D10-4589-04) x2 Antenna adapt

4、or (E type) (T90-0523-05) Carrying case (W01-1661-05): E type (W01-1664-05): K type Compact disc (W01-1673-05): K,M type (W01-1674-05): E type Screw set (K,M type) (N99-1758-05) Tapping screw (N09-6280-05) Panel assy (A64-3736-02) RC-527 KDC-X890 (K type) KDC-W7534U KDC-W7534UY (E type) KDC-X9533U (

5、M type) Panel assy (A64-3739-02) Plastic cabinet assy (M type) (A02-2732-03) RadioFans.CN 收音机爱 好者资料库 2 KDC-W7534U/W7534UY KDC-X890/X9533U 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 MUT

6、E IC102 RDS DECODER IC400 IC100 MEMO 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 MO

7、TOR IC450 Q981 SW5V Q22 MECHA PANEL 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 SERV

8、O D5V A8V 9V ILL+B ED1 ILL+B (SW) (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/

9、AM AUX CH CD SPE MUTE C MUTE 0,1,2 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 3 KDC-W7534U/W7534UY KDC-X890/X9533U BLOCK DIAGRAM Cable H/U30Pin FFCDXM-6810W/DXM-6820W CD_Mechanism High-side Sw

10、itch USB_5V USBGND USB_D+ USB_D- 5V SW-Reg. (VBUS 5V ) SYS- uCOM P-ON /MSTOP 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

11、F E TR COIL PD C BA FO COIL IC2 SDRAM 64Mbit Motor Driver -COM 3.3V Reg. 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

12、CS3.3V LPF 3.35V (BU5V) I2S SW SP MOTOR Loading & sled MOTOR LOE/LIM- 8EJE-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 Infin

13、ity 0 Det. BREQ SREQ CLK B_DAT S_DAT DATA_MUT DA_EMPH INTQ SO A0 SI STB 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

14、.3V (CS7410) /CSRST CS EMPH 6.00MHz /CSRST /CS , A20 /USB_CS /NV_CS CKO () 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 (X32-587) RadioFans.C

15、N 收音机爱 好者资料库 4 KDC-W7534U/W7534UY KDC-X890/X9533U COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-410 x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC10Audio8V Ref Power SupplyOutput 1.27V. IC80Switching RegulatorPower supply for VFD. (57V) IC100Reset IC“L” when detection volta

16、ge goes below 3.6V or less. IC102System -com Controls FM/AM tuner, the changer, CD/USB mechanism, Panel, volume and tone. IC103Muting logic ICControls logic for muting. IC104EEPROMFor installers memory IC200Power Control ICPower control switch IC300Electrical Volume & Source SelectorControls the sou

17、rce, volume, and tone. IC400RDS decoder Panel mecha control IC450Panel mecha motor driver IC451G-AnalyzerAnalog 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. I

18、C800 Audio 3.3V Ref SupplyAudio 3.3V Ref supply to electrical volume and all low pass filters. SVR6.8V Ref 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 contro

19、l ICUSB power control switches with over current detection and protection. Q10,11Audio8V AVRWhen Q11 2pin 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,

20、32 Moter+B AVR When Q9base goes Hi, Moter+B AVR outputs 7.5V. (Panel Mecha) Q31,33Servo+B AVRWhen Q33base 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 goe

21、s Hi, Ill AVR outputs 10.5V. Q5052SW16V (Surge Protection)When Q51 2pin goes Hi,SW16V outputs (BU-0.6) V. 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 t

22、urned on. Q202Acc Detect SWWhen Q202base gose Hi, Acc voltage is detected. IN Panel mecha IN1IN2 LLWAIT LHOPEN HLCLOSE HHSTOP 5 KDC-W7534U/W7534UY KDC-X890/X9533U COMPONENTS DESCRIPTION Ref. No.Application / FunctionOperation / Condition / Compatibility Q204Surge Detect SWWhen Q204base goes Hi, Surg

23、e voltage is detected. Q205B.U Detected SWWhen Q35base gose Hi, B.U voltage is detected. Q206Ext Amp Control BufferIt is buffer for IC102 output. Q207Small-lamp Detect SWWhen Q207base goes Hi, Small-lamp is detected. Q208,209Power Antenna SWWhen Q206base goes Hi, power antenna switch outputs 14V. Q2

24、10Pre-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 when the base is “H”. DSI turns on and off when panel is taken off. Q500Spectrum analyzer AGC ControllerWhen this ci

25、rcuit has an excessive input, a return is hung and an output is reduced. 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 d

26、river and -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

27、voltage 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

28、 Hi, SW16V outputs (BU-0.6) V. SWITCH UNIT (X16-354x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1 ROM IC Graphics data included FLASH ROM IC IC2SPECTRUM6ch band pass filter IC4PANEL -COM IC5RESET ICWhen panel is attached, IC5 active IC6REMOTE CONTROL ICRemote control r

29、eceiver IC7BUFFER ICIt is change into 3.3V 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 2pin

30、LH 1pin L430kHz600kHz H650kHz820kHz 6 KDC-W7534U/W7534UY KDC-X890/X9533U COMPONENTS DESCRIPTION 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 g

31、oes “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 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 g

32、oes “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 (VDD2) is turned on when Q11s base level goes “H” CD PLAYER UNIT (X32-5870-00) Ref. No.Application / FunctionOperation / Condition / Compatibili

33、ty IC1Mechanism -COM IC2Signal Processor IC4BTL DriverSpindel motor, 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

34、Audio DecoderACDrive decoder, MP3/WMA/AAC decoder IC16Compression 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 p

35、art IC21 Decoder/SDRAM/Flash ROM/USB DriverPower supply for decoder, 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, Fla

36、sh ROM, SDRAM and USB & USB IC28Clock SWTo SDRAM Q3Level Shift 3.3V5V 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 Countermeasu

37、reFor IC2 built-in reset terminal D3Laser Diode Protection D9Static Electricity Countermeasure 7 KDC-W7534U/W7534UY KDC-X890/X9533U MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER 30625MGPA87GP (X34- : IC102) Pin No.Pin NameModuleI/OApplication Truth Processing/Operation/Description value t

38、able 1VREFCOM-A/D analog reference voltage 2AVCCCOM- 3LX_DATA_SLX_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 termina

39、lSPI communication 9AUD_SELAUDIOOE-VOL control terminalSPI communication 10AUD_SCLAUDIOOE-VOL clock output terminalSPI communication 11,12NCONot usedOutput L fixed 13BYTECOM- 14CNVSSCOM- 15XCINCOMI32768kHz 16XCOUTCOMI32768kHz 17RESETCOMI 18XOUTCOM-12MHz 19VSSCOM- 20XINCOM-12MHz 21VCC1COM- 22NMICOMIN

40、ot used 23PANEL_DETEXTRAIFor 1 DIN: Panel detectionH: PANEL detached, L: PANEL attached 24RDS_CLKTUNERIRDS decoder CLK input terminal 24NCONot usedL-output for models without RDS/RBDS 25LX_REQ_SLX_MICommunication request from slave unit 26PON_AMPower supply I/OAM power supply controlH: When AM, Hi-z

41、: When not AM 27LX_REQ_MLX_MOCommunication request to the slave unit 28TUN_IFC_OUTTUNERIF/E IFC OUT input terminalH: 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 QU

42、AL input terminal 31NCONot used in models without RDS/RBDSL-output for models without RDS/RBDS 32RDS_DATATUNERIRDS decoder DATA input terminal 32NCONot used in models without RDS/RBDSL-output for models without RDS/RBDS 33PWIC_BEEPPWICOBeep output 34TUN_SCLTUNERI/OF/E I2C clock input/output terminal

43、 35TUN_SDATUNERI/OF/E I2C data input/output terminal 8 KDC-W7534U/W7534UY KDC-X890/X9533U MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameModuleI/OApplication Truth Processing/Operation/Description value table 36SYS_DATAtoPANELO Inter-panel communication data output Data output (MAX500kbps) termi

44、nal 37VCC1COM- 38PAN_DATAtoPANELI 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 termina

45、l 42SDA/INST_SDAEXTRAI/OE2PROM 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. afte

46、r ACC_OFF 45DSIEXTRAI/O(D) SI 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 fu

47、ll-open detectioneRefer to the 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: Dischar

48、ge, Hi-Z: Other Reset securing 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 c

49、ommunication control POWER OFF, 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 9 KDC-W7534U/W7534UY KDC-X890/X9533U MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameModuleI/OApplication Truth Processing/Operation/Description value table 67CD_DISC12_SWCDICD disc detection terminal (12cm) 68CD_LOS_SWCDICD loading detection terminal 69CD_MUTE_RCDICD MUTE (Rch) request terminalL: Rch mute request