Kenwood-DPX-501-Service-Manual 电路图 维修手册.pdf

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1、DPX501/501U/501UY DPX-MP2090U 2006-4 PRINTED IN JAPAN B53-0400-00 (N) 960 2DIN CD RECEIVER SERVICE MANUAL EXSystem F.SEL SWAM /PTY FMSCRL SET UP AUD VOL ATT OFFMENUAME M.RDMREPRDMA.RDMSCANS.MODE TI EXTERNAL MEDIA CONTROL DPX501U USB F.SEL SWAM PTY/C.S. FMSCRL SET UP AUD VOL ATT OFFMENUAME M.RDMREPRD

2、MA.RDMSCANS.MODE AUTO EXTERNAL MEDIA CONTROL DPX501 USB EXSystem F.SEL SWAM FMSCRL SET UP AUD VOL ATT OFFMENUAME M.RDMREPRDMA.RDMSCANS.MODE EXTERNAL MEDIA CONTROL DPX-MP2090U USB AUTO DPX501 (K type)DPX501U/501UY (E type) DPX-MP2090U (M type) SIZE AA BATTERY(K,M type) (Not supplied) Panel assy (A64-

3、3814-02) DC cord (E30-6408-05):(M type) (E30-6414-05):(K type) DC cord (E type) (E30-6412-05) Adhesive double- coated tape (K,E type) (H30-0595-04) Mounting hardware assy (K,E type) (J22-0429-13) Remote controller assy (K,M type) (A70-2067-15) Lever (K,E type) (D10-4589-04) x2 Antenna adaptor (E typ

4、e) (T90-0523-05) Compact disc (W01-1673-05):(K,M type) (W01-1674-05):(E type) Screw set (K,M type) (N99-1779-05) RC-527 Cord with connector(USB) (E30-6535-05) Escutcheon (K,E type) (B07-3172-12) Escutcheon (M type) (B07-3046-04) Escutcheon (K,E type) (B07-3165-02) Panel assy (A64-3871-02) Panel assy

5、 (A64-3966-02) 1.5m This product uses Lead Free solder. RadioFans.CN 收音机爱 好者资料库 2 DPX501/501U/501UY DPX-MP2090U BLOCK DIAGRAM Complete view F/E LX-BUS E-VOL IC2 CD MECHA BU5V D5V PREF PRE+B A8V SYSTEM u-COM BU PW-IC SP-OUT LOGIC Q400-405 PRE-OUT PHONE ACC-DET Q112 DIMMER Q108 SURGE- Q109 BU5V PCON-S

6、W Q1,2 Q103,106 BU-DET Q111 IC5 SW14V Q4,9 SW5V Q3,11 ANT-CON Q101,102 Q7,8 TUNER Q302,303 A8V Q5,6,10 DC-CN TUN8V SERVO+B BU5 SW5 8V DET MUTE BU DC-CN etc FL+B PAN5V RESET IC7 ILLUMI+B CN RESET ENCODER ROTARY REMOTESW5VILLUMI KEY MATRIX KEY VFD IC1 SW5 Q6 R73 PAN5 IC4 IC2 J1 +B ILLUMI ILLUMI+B ILLU

7、MI SW Q305,306 AM+B AM+B Q300,301 S1 ED1 J3 MUTE IC6 J2 TUN8V AM+B SW5 W1 A1 SERVO+B A8V IC13 BU5 Q13 BU5 BU5 J1 DME1 MARINE RC OPEL DISP BU5 SW5 CD SERVO BU5 BU5 BU5 AUX IN CN4 +B 1/2W Rx1 S3 J1 OEM RC CN5IC9 RDS SW5 USB CN2,3 USB5 C104,D107,R112 CON EXT-AMP- Q107 BU5 SW20V SURGE Q12,21IC12 CD5V IC

8、8 D5V SW HISIDEUSB5 A8V J4 SW 3/4W Rx10 2DIN 713 2 10 1 REAR L/R FRONT L/R FRONT/REAR/(NF) ANT CON P CON BU DET ACC ILLUMI PHONE P-ANT P-CON B.U. MUTEDC-DET PHONE ACC DET DIMMER 1 1 2 RST PHONE 9 5 P ON P ON P ON P ON PON ILLUMI AM+B SELECT COLOR BU DET Q111 Q114 1 1 3 MUTE 38 2 3 NF L/R EXT-CONT FS

9、T PON USB/C DET 2 EX-AMP PON CD P ON DIMMER/ BU DET/ P CON/P ON P ON CD/ P ON FL/ ACC DET P ON ILLUMI EX-AMP ANT CON PON USBC DET 1 DRIVER & KEY MATRIX BUILT-IN,NEW ELECTRIC UNIT (X34- ) SWITCH UNIT (X16- ) RadioFans.CN 收音机爱 好者资料库 3 DPX501/501U/501UY DPX-MP2090U BLOCK DIAGRAM LD F E TR COIL PD C BA

10、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 CS3.3V LPF 3.35V (BU

11、5V) 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 Infinity 0 Det. BREQ SREQ

12、 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) CS3.3V (CS7410) /CSRST

13、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 CD player unit (X32-583) Cable H/U30Pin FFCDXM-6810W/DXM-6820W CD_Mechanism High-side

14、Switch 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 A

15、C Drive + USB Mechanism unit RadioFans.CN 收音机爱 好者资料库 4 DPX501/501U/501UY DPX-MP2090U COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-415x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1System -COMControls FM/AM tuner, the changer, CD mechanism, panel, volume and tone. IC2E-VOLC

16、ontrols the source, volume, tone. IC3A8V REF Power SupplyOutputs 1.27V. IC4Power ICAmplifies the front L/R and the rear L/R to 50W maximum. IC5ILLUMI+B Power SupplyOutputs 11.25V. IC6Muting Logic ICControls logic for muting. IC7Reset IC“Lo” when detection voltage goes below 3.6V or less. IC8Hi-side

17、SW Over current protection of USB power supply. When pin 1 goes “Hi”, USB5V is ON. IC9RDS ICDecodes RDS. IC10Installer Memory ICInstaller memory. IC12SW RegulatorSupplies power for USB and CD mechanism. IC13FL+B Power SupplyOutputs 3.0V. Q1,2B.U.5V AVRWhile BU is applied, BU5V AVR outputs +5V. Q3,11

18、SW5VWhen Q11s base goes “Hi”, SW5V outputs +5V. Q4,9SW14VWhen Q9s base goes “Hi”, SW14V outputs 14V. Q5,6,10AUDIO8V AVRWhen Q10s base goes “Hi”, A8V AVR outputs 8.0V. Q7,8SERVO+B AVRWhen Q8s base goes “Hi”, S+B AVR outputs 7.5V. Q12,21Serge Protect for IC12Outputs 20V when BU is over 20V. Q13PANEL5V

19、When the base goes “Lo”, PANEL5V outputs 5V. Q17IC12 ON/OFFWhen the base goes “Lo”, IC12 is “ON”. Q101,102P-ANT SWWhen Q102s base goes “Hi”, P-ANT SW outputs 14V. Q103,106P-CON SWWhen Q106s base goes “Hi”, AVR outputs 14V. Q104,105P-CON Protection Output protection is applied when P-CON output volta

20、ge fall is detected. The 2 transistors protect Q103 false operation when P-CON SW is “ON”. Q107EXT-AMP-CONWhen the base goes “Lo”, Q107 is turned on. Q108Small Lamp DET SWWhen the base goes “Hi”, Q108 is turned on. Q109Serge DETWhen the base goes “Hi”, IC4 is changed into standby source. Q111BU DETW

21、hen the base goes “Hi”, Q111 is turned on. Q112ACC DETWhen the base goes “Hi”, Q112 is turned on. Q113Mute DriverWhen the base goes “Hi”, pre-out mute driver is turned on. Q116Pre-out Mute DriverWhen the base goes “Lo”, mute driver is turned on. Q300,301AM+BWhen Q301s base goes “Hi”, AM+B is output.

22、 Q302,303Tuner8VWhen Q303s base goes “Hi”, Tuner8V outputs 8V. Q305,306SW ILLUMI+BWhen Q306s base goes “Hi”, SW ILLUMI+B outputs 11V. Q400403 Pre-out Mute SWWhen the base goes “Hi”, pre-out is muted. Q406,407 Q408Pre-out Mute ON/OFFWhen the base goes “Lo”, pre-out mute is ON. 5 DPX501/501U/501UY DPX

23、-MP2090U SWITCH UNIT (X16-353x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1Remote Control IC Q13GRID_DRIVEREach transistors base is “L” then GRID is on. Q6,7SW5VThe power supply of IC1 is turned on when Q6s base level goes “L”. Q8DBO LED SWDBO LED is turned on when Q8s

24、 base level goes “H”. Q9RED SWRED LED is turned on when Q9s base level goes “H”. Q12VFD RestartKey scan start at Q12s base goes “H”, when the sets power is on. CD PLAYER UNIT (X32-5830-00) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1Mechanism -com IC2Signal Processor IC4BT

25、L 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 Audio DecoderACDrive decoder, MP3/WMA/AAC deco

26、der 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 part IC21 Decoder/SDRAM/Flash ROM/Power supply

27、for decoder, SDRAM, flash ROM and USB driver. 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 & For DSP for Compression Audio Decoder, Flash ROM, SDRAM and USB SDRAM & USB IC28Clock SWTo SD

28、RAM Q3Level Shift 3.3V5V Q6,7Level Shift 3.3V5V Q8APC (Auto Power Control) Q9,10Anticipation Sub-beam DelayDuring non-searching Q17USB Hi-side SW D2Static Electricity CountermeasureFor IC2 built-in reset terminal D3Laser Diode Protection D9Static Electricity Countermeasure COMPONENTS DESCRIPTION 6 D

29、PX501/501U/501UY DPX-MP2090U MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER: 30624MWPA86GP (X34: IC1) Pin No.Pin NameI/OApplication Truth Processing Operation Description Value Table 1REMOIRemote control signal inputDetects pulse width 2LX MUTEIMute request from slave unitH: Mute ON, L: Mu

30、te OFF 3AUD SDAOE-VOL data output 4AUD SELOE-VOL control 5AUD SCLOE-VOL clock output 6BYTE- 7CNVSS- 8XCINI 9XCOUTI 10RESET- 11XOUT- 12VSS- 13XIN-12.0MHz 14VCC1- 15NMI-Not used 16CN DETI Panel communication detection H: Panel detached, L: Panel attached (Flip-down panel model only) 17RDS CLKIRDS deco

31、der clock input 18LX REQ SICommunication request from slave unit 19PON AMI/OAM power supply controlH: Receiving AM, Hi-z: No AM 20LX REQ MOCommunication request to slave unit 21TUN IFC OUTIFront-end IFC-OUT inputH: Station found, L: No station 22NC-Not usedL fixed 23RDS AFS MI/ONoise detection time

32、constant switchingqRefer to the truth value table 24RDS QUALIRDS decoder QUAL input 25RDS DATAIRDS decoder data input 26PWIC BEEPOBeep output 27TUN SCLI/OFront-end I2C clock input and outputMAX400kHz 28TUN SDAI/OFront-end I2C data input and output 29VFD DATAI/OVFD data input and output 30VFD INTIVFD

33、 INT inputINT input 31VFD CLKOVFD clock outputNormal: 125kHz, Low consumption mode: 62.5kHz H: Canceling reset, L: Reset 32VFD RSTOVFD driver resetL: Momentary power down, panel detached or 11 minutes after ACC OFF 33ROMCOR SDAI/O E2PROM I2C data input and output for ROM correction 7 DPX501/501U/501

34、UY DPX-MP2090U Pin No.Pin NameI/OApplication Truth Processing Operation Description Value Table 34ROMCOR SCLI/O E2PROM I2C clock output for ROM correction Panel 5V control L: ON 35PON PANELI/O (Flip-down panel model only) Hi-Z: Momentary power down, panel detached or 11 minutes after ACC OFF 36DSII/

35、O DSI/EJECT LED controlOFF: Hi-z, Pulse drive: Panel detached (Flip-down panel model only)H: Illumination ON or panel opened (POWER ON) 37,38NC-Not usedL fixed 39EPMIFlash EPM input 40PANEL DETIPanel detection (Flip-down panel model only)L: Panel detached, H: Panel attached 41NC-Not usedL fixed 42RO

36、MCOR DETIE2PROM writing requestH: Writing 43PON FLOFL+B controlH: FL+B ON, L: FL+B OFF 44VFD CSOVFD chip select control 45ROTARY CWIVOL key inputDetects pulse width 46ROTARY CCWIVOL key inputDetects pulse width 47CD DISC12 SWI12cm CD detection 48CD LOS SWICD loading detection 49CD MUTE RIRch CD mute

37、 requestH: Normal, L: Requesting Rch mute 50CD MUTE LILch CD mute requestH: Normal, L: Requesting Rch mute 51CD MRSTOCD mecha -COM resetH: Normal, L: Reset 52CD MSTOPOCD mechanism -COM stopH: Mecha -COM operates, L: Mecha -COM stops 53CD DISC8 SWI8cm CD detection (Not used) 54CD LOE LIM SWICD detect

38、ion (Chucking SW)H: Loading completes, L: No disc 55CD LOEJI/OCD motor controlwRefer to the truth value table 56CD MOTOROCD motor controlwRefer to the truth value table 57PON ILLUMII/OKey illumination power supply controlH: ON, Hi-Z: OFF 58PON CDOPower supply control for CD-WMA L: POWER ON, H: POWER

39、 OFF L: Before M-STOP with reset 59PONOPower supplyH: POWER ON, L: POWER OFF 60VCC2- 61EXT AMP CONI/OEXTERNAL AMP control 62VSS- 6365TYPE 13IDestination switchingeRefer to the truth value table 66TUN TYPE1IDestination setting 1rRefer to the truth value table 67TUN TYPE2IDestination setting 2rRefer t

40、o the truth value table 68OEM DISP DATAI/O External display data External display (Destination K and E only) MICROCOMPUTERS TERMINAL DESCRIPTION 8 DPX501/501U/501UY DPX-MP2090U MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/OApplication Truth Processing Operation Description Value Table 69OEM

41、DISP CLKI/O External display clock External display (Destination K and E only) 70OEM DISP CEI/O External display control request External display (Destination K and E only) 71EJECTIEject key input (Flip-down panel model only)L: Eject 72P CONOExternal amplifier controlH: POWER ON, L: POWER OFF or STA

42、NDBY 73VFD KEY REQICommunication request from VFD driverConnects to INT 74ANT CONOPower antenna controlTuner ON: H 75ILLUMI DETIDimmer illumination detectionL: ON, H: OFF 76BU DETIMomentary power-down detectionL: BU found, H: No BU or momentary power down 77ACC DETIACC power supply detectionL: ACC f

43、ound, H: No ACC 78(PWIC SVR)OSVR discharging circuit H: POWER OFF or 5 seconds after momentary power down, L: Other conditions 79PWIC MUTEOPower IC muteL: STANDBY, momentary power down or TEL mute 80PWIC STBYOPower IC standby controlH: POWER ON, L: POWER OFF 81LX CONOStart-up request to slave unitH:

44、 Slave unit starts up, L: Slave unit stops 82MUTE PRE RORch preout mute CD MUTE R is Lo: H (CD playing), Momentary power down: H, L: DUAL ZONE or NAVI INT 83MUTE PRE LOLch preout mute CD MUTE L is Lo: H (CD playing), Momentary power down: H, L: DUAL ZONE or NAVI INT 84MUTE 0I/OE-VOL front muteL: Mut

45、e ON, Hi-Z: Mute OFF 85MUTE 1I/OE-VOL rear muteL: Mute ON, Hi-Z: Mute OFF 86MUTE 2I/OE-VOL mute (Except front/rear) 87LINE MUTEILine mute detection TEL mute: Below 1V NAVI mute: Over 2.5V 88MUTE PRE SWI/ONF preout mute L: Mute ON, Hi-Z: Mute OFF OFF fixed: Selecting REAR in REAR/SUB selection 89PWIC

46、 DC DETIDC offset error detection 90LX RSTOForced reset to slave unitH: Reset, L: Normal 91MUTE CI/OE-VOL muteL: Mute ON, Hi-Z: Mute OFF 92NC-Not usedL fixed 93RDS NOISEIFM noise detection 94AVSS- 95TUN SMETERIS-meter input 96VREF-Connects to P.ON 97AVCC-Connects to VCC 98LX DATA SIData from slave u

47、nit 99LX DATA MI/OData from and to slave unit 100LX CLKI/OLX-BUS clock 9 DPX501/501U/501UY DPX-MP2090U Truth value table q AFS CONTROL RDS AFS MCondition AFS LOWLNo sound output with AF search AFS MIDLSound output with AF search AFS HIGHHi-ZNormal reception w CD MOTOR CONTROL CD MOTORCD LOADING/EJEC

48、T StopLL LoadHL EjectHH BrakeHHi-z r TUNER TYPE TUN TYPE1TUN TYPE2 (Pin 66)(Pin 67) Kenwood brand modelLL OEM model 1LH OEM model 2HL OEM model 3HH e DESTINATION SW TYPE 3TYPE 2TYPE 1 DESTINATIONMODEL (Pin 65) (Pin 64) (Pin 63) 000KKDC-X590 001KKDC-MP632U 010EKDC-W6534U/UY 011EDPX501U/UY 100MKDC-X75

49、33U 101MDPX-MP2090U 110KDPX501 111JDPX-U077 MICROCOMPUTERS TERMINAL DESCRIPTION 10 DPX501/501U/501UY DPX-MP2090U MICROCOMPUTERS TERMINAL DESCRIPTION MECHANISM MICROCOMPUTER: M30620FCPGP (X32: IC1) Pin No.Pin NameI/OApplicationProcessing Operation Description 15NC-Not usedOpened output L fixed 6BYTEIExternal data bus SW inputConnects to GND 7CNVSSIProcessor mode SW L: Single chip mode H: Microprocessor mode or flash ROM writing 8MUTEOAudio mute controlL: Mute ON, H: Mute OFF 9NC-Not usedOpened output L fixed 10RESETIReset detectionL: Reset (Flash ROM writing), H: Normal 11