Kenwood-KDCMP-438-U-Service-Manual电路原理图.pdf

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1、This product uses Lead Free solder.This product complies with the RoHS directive for the European market. 2008-2 PRINTED IN JA PANB53-0614-00 (N) 519KDC-MP408U/MP438U/X492KDC-MP5039U/MP5539UKDC-W5041UA/W5041UGKDC-W5141UAY/W5141UGYKDC-W5541U/W5641UYSERVICE MANUALCD RECEIVERTDF SPARE-PANELMAIN UNIT NA

2、ME TDF PARTS No. TDF NAMEKDC-MP408U Y33-2920-62 TDF-MP84DTKDC-MP438U Y33-2920-61 TDF-MP84DKDC-MP5039U Y33-2920-64 TDF-MP5039UKDC-MP5539U Y33-2920-63 TDF-MP5539UKDC-W5041UA Y33-2920-66 TDF-W5041UAKDC-W5041UG Y33-2920-67 TDF-W5041UGKDC-W5141UAY Y33-2920-66 TDF-W5041UAKDC-W5141UGY Y33-2920-67 TDF-W5041

3、UGKDC-W5541U Y33-2920-65 TDF-W5541UKDC-X492KDC-MP438UKDC-MP408UKDC-MP5539UKDC-MP5039UKDC-W5041UKDC-W5641UKDC-W5141UKDC-W5541UKDC-W5641UY Y33-2920-65 TDF-W5541UKDC-X492 Y33-2920-60 TDF-84DXMounting hardware assy(J21-9716-03)Lever(D10-7012-04) x2* DC cord(E30-6428-05)* Screw set(N99-1757-15)* Escutche

4、on(B07-xxxx-xx)* Carrying case(W01-xxxx-xx)* DC cord(E30-6671-05)* Screw (4x16)(N84-4016-48)* Plastic cabinet assy(A02-2755-13)* Remote controller assy (RC-547)(A70-2085-05)Battery(Not supplied)* Depends on the model. Refer to the parts list.KDC-MP408U : Panel assy (A64-4400-02)KDC-MP5039U : Panel a

5、ssy (A64-4402-02)KDC-W5041Ux : Panel assy (A64-4404-02)KDC-W5541U : Panel assy (A64-4403-02)KDC-X492 : Panel assy (A64-4398-02)KDC-MP438U : Panel assy (A64-4399-02)KDC-MP5539U : Panel assy (A64-4401-02)KDC-W5141Uxx : Panel assy (A64-4406-02)KDC-W5641UY : Panel assy (A64-4405-02)2KDC-MP408U/MP438U/X4

6、92/MP5039U/MP5539U/W5041UA/W5041UG/W5141UAY/W5141UGY/W5541U/W5641UYBLOCK DIAGRAM(X16- )ELECTRIC UNIT (X34- )SWITCH UNITFRONT-ENDA320LX BUSE-VOLPRE OUTPRE OUTPRE OUTIC500IC300IC601UPBACKRESETIC BU5VP-CONANT-CONACC DETDIMMERSURGE DETBU DETQ20,21BU 5VSW 20VQ50,51Q40-43ILL+BSW 14VA8VSERVOQ30,31P.ON5VQ22

7、,23P. CONANT CONDIMMERACCBACK UPLINESP OUT(FR)SP OUT(RL)SP OUT(FL)SP OUT(RR)REMOTE(SW)(FRONT)(REAR)WIREDTEL MUTEIC602USB5VBU5VILLUMI+BCNREMOTEED1FL+BJ1J660S3S1R74,75Q140,143Q150,151Q170Q122C160,R160,R161,D160Q123Q120Q10-12Q334VPREQ100,103AM+BQ320,321SW 14VFDCUSB 5VSWHI-SIDESERVOIC60IC230+B4VPRESW 14

8、VQ101Q32SW 14VQ104Q105IC603J400J1WH190J1Q367,368,401,402,411,412DRIVERMUTEMUTEPREPOWERICSYSTEMu-COMENCODERROTARYILLUMIKEY KEYMATRIX1/2WRx2FLRESETSWROMMEMORYINSTALLERDECODERRDSCORRECTIONJ440SW5VAM+BA8VA8VCDDME1SOCIC700D1.8VSHIFTLEVELSERVOIC720IC680,682D3.3VIC480IC6004VPRE+BUSB5VPAN SW5USB CNJ4IC2AUX

9、CNJ3NOT USEDE2PROMFSTFM/AMAUX (FRONT)CHCDOFFSETMPX for RDSRSTPRE MUTEMUTE21for SOCUSB I/F(IC700)3KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/W5041UG/W5141UAY/W5141UGY/W5541U/W5641UYDPU1CD PLAYER UNIT (X32-6130-00)BOARDMOTHER(X34- )EFACBTR COILFO COILAPCIC416.934MHzCLOCKIC3LOADING &MOTORDRIVERMOTO

10、RSPINDLES2S1S3SLEDMOTORDM1DM2X1Q1RF AMPSERVOMP3 DECODERWMA DECODER1M bit SRAMPROCESSORAAC DECODER+CR FILTERCR FILTERREVERSALCIRCUITQ13BU1.5V REGIC5IC6IC11SW3.3V REGSW1.5V REGLOADING &VREF12EJE-SWLOS-SWLOE-SWMOTORLO/EJA.GNDA8VA,B,C,E,FTR OUTFO OUTDM OUTFM OUTA3.3VLDSIGNALS.GNDS7.5VFO OUTTR OUTDM OUTF

11、M OUTDRV MUTESOSRAMSTBSIBUCKCCEPIO0SRAMSTBBUCKCCEPIO0SOSIMRST MRSTC88,R82C87,R83R-chL-ch L-chR-chZDET MUTE L/RD.GNDD GND BU1.5V SW1.5VSW3.3V AGNDBU5VP.ONPDBSIF LRCKBSIF ST REQBSIF GATEBSIF BCKBSIF DATABSIF ST REQBSIF GATEBSIF DATABSIF BCKBSIF LRCK8EJE-SWBLOCK DIAGRAM ELECTRIC UNIT (X34-577x-xx)Ref.

12、No. Application / Function Operation / Condition / CompatibilityIC10 A8V REF Power Supply Outputs 1.27V.IC20 D3.3V REG Outputs 1.8V. Power supply for SOC.IC60 SW REG Outputs 5.0V. Power supply for D5V, FL+B and USB5V.IC100 OP-AMP Reference supply for 4V pre-out.IC230 Hi-side SW Overcurrent protectio

13、n of USB power supply. When pin4 goes Hi, USB5V is ON.IC300 RDS Decoder Decodes RDS signal.IC480 E-VOL Controls the source, volume and tone.IC500 Power IC Amplifi es the front L/R and the rear L/R to 50W maximum.IC600 System -COM Controls FM/AM tuner, the changer, CD mechanism, USB, panel, volume an

14、d tone.IC601 Reset IC Lo when detection voltage goes below 3.6V.IC603 Muting Logic IC Controls logic for muting.COMPONENTS DESCRIPTION4KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/W5041UG/W5141UAY/W5141UGY/W5541U/W5641UYRef. No. Application / Function Operation / Condition / CompatibilityIC680,682

15、 Level Shift Converts 3.3V to 5V.IC700 SOC (System On Chip)Decodes MP3 or other fi les of audio/decompression standards by software based architecture.IC750 iPod Authentication Coprocessor For iPod authentication.Q1012 A8V AVR When Q12s base goes Hi, A8V AVR outputs 8.0V.Q20,21 BU5V AVR While BU is

16、applied, BU5V AVR outputs +5V.Q22,23 P.ON5V When Q23s base goes Hi, SW5V outputs +5V.Q30,31 Servo+B AVR When Q31s base goes Hi, Servo+B AVR outputs 7.5V.Q32,33,104,105 SW14V When Q33s (or Q105s) base goes Hi,SW14V outputs 14V.Q4043 ILL+B AVR When Q43s base goes Hi, ILL+B outputs 10.5V.Q50,51 Serge P

17、rotect for IC1 Output 20V when BU is over 20V.Q100,103 4VPRE+B Protect When 4VPRE+B is overcurrent, Q100 and Q103 turn Q101 off.Q101 4VPRE+B AVR When Q100s base is 8V, 4VPRE+B outputs 7.4V.Q120 BU DET When the base goes Hi, Q120 is turned on.Q122 ACC DET When the base goes Hi, Q122 is turned on.Q123

18、 Serge DET When the base goes Hi, BU DET is turned off.Q140,143 P-CON SW When Q143s base goes Hi, AVR outputs 14V.Q141,142 P-CON ProtectionWhen P.CON output voltage decrease is detected, output protection is made.When P.CON SW is ON, malfunction of Q140 is protected.Q150,151 P-ANT SW When Q151s base

19、 goes Hi, P-ANT SW outputs 14V.Q170 Small Lamp DET SW When the base goes Hi, Q170 is turned on.Q320,321 AM+B When Q321s base goes Hi, AM+B is output.Q367,368,401,Q402,411,412Pre-out Mute SW When a base goes Hi, pre-out is muted.Q500Electric Discharge Circuit for C508 (SVR)When the base goes Lo, Q500

20、 is turned on. SWITCH UNIT (X16-622x-xx)Ref. No. Application / Function Operation / Condition / CompatibilityIC2 Remote Control SensorQ5,21 PAN5V SW When Q5s base goes Hi, PAN5V outputs 5V.Q20 VFD Restart In condition of the base is Hi, key-scan starts at the same time as POWER ON.Q2224 Grid Driver

21、When each transistors base is Lo, grid is ON. CD PLAYER UNIT (X32-6130-00)Ref. No. Application / Function Operation / Condition / CompatibilityIC3 4ch BTL DriverDriver for focusing & tracking coil, driver for sled & spindle motor, and operation for disc loading & ejection.IC4 Servo DSP with built-in

22、 Audio DAC With built-in MP3/WMA/AAC decoder and 1M-bit-SRAM.IC5 D1.5V REG. Power supply for digital 1.5V.IC6 D3.3V REG. Power supply for digital 3.3V.IC11 BU1.5V REG. Power supply for back-up 1.5V.Q1 APC (Auto Power Control) Drives LD (Laser Diode).Q13 Inverter Inverts ZDET signal.D2 Laser Diode Pr

23、otection Prevents reverse bias which is applied to laser. Laser destruction prevention.D3,4 Static Electricity Countermeasure Prevents malfunction by static electricity.COMPONENTS DESCRIPTION5KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/W5041UG/W5141UAY/W5141UGY/W5541U/W5641UYMICROCOMPUTERS TERMIN

24、AL DESCRIPTION SYSTEM -COM: IC600 on X34- (ELECTRIC UNIT)Pin No. Pin Name I/O ApplicationTruth Value TableProcessing / Operation / Description1 REMO IExternal display remote control inputPanel remote control input2 LX REQ M O Communication request to slave unit3-5 NC - Not used Output L fi xed6 BYTE

25、 -7 CNVSS -8 XCIN - Sub clock 32.768kHz9 XCOUT - Sub clock 32.768kHz10 RESET -11 XOUT - Main clock 12.00MHz12 VSS -13 XIN - Main clock 12.00MHz14 VCC1 -15 NMI -16 LX REQ S I Communication request from slave unit17 RDS CLK I RDS decoder clock input18 PANEL DET I Detection of panel connector detached/

26、attached H: Panel detached, L: Panel attached19 PON AM I/O AM power supply control AM reception: H, No AM reception: Hi-Z20 TUN IFC OUT I Front-end IFC-OUT input H: Station found, L: No station21 RDS AFS M I/O Noise detection time constant SW22 RDS QUAL I/O RDS decoder QUAL input23 RDS DATA I RDS de

27、coder data input24 USB SYNC O Clock output for SW-REG25,26 NC - Not used Output L fi xed27 TUN SCL I/O Front-end I2C clock input/output MAX 400kHz28 TUN SDA I/O Front-end I2C data input/output29 VFD DATA I/O VFD data input/output30 VFD INT I VFD INT input31 VFD CLK O VFD clock output 125kHz32 ROTARY

28、 CCW I VOL key detectionDetects Pulse15-pulse/360, 2-click/1-pulse33 S SYS DATA O Bolero serial output34 S SOC DATA I Bolero serial input35 S SOC SCL I Bolero serial clock input36-38 NC - Not used Output L fi xed39 ROMCOR DET I E2PROM and Bolero writing request H: Writing39 EPM I EPM input when writ

29、ing40 NC - Not used41 VFD RST O VFD reset H: Reset cancelled, L: Reset6KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/W5041UG/W5141UAY/W5141UGY/W5541U/W5641UYPin No. Pin Name I/O ApplicationTruth Value TableProcessing / Operation / Description42 ROTARY CW I VOL key detectionDetects Pulse15-pulse/360

30、, 2-pulse/1-click43 CD MUTE I CD mute request L: Mute request (Bolero), H: Normal condition44 VFD CE O VFD control request H: VFD data transfer ready45 NC - Not used Output L fi xed46 PON O Power supply control H: Power ON, L: Power OFF47,48 NC - Not used Output L fi xed49 CD LOE LIM SW I CD detecti

31、on (Chucking SW) H: Loading completed, L: No disc50,51 NC - Not used Output L fi xed52 CD LOEJ I/O CD motor control q Refer to the truth value table53 CD MOTOR O CD motor control q Refer to the truth value table54 CD LOS SW I CD loading detection55 CD DISC12 SW I 12cm CD detection56 PON PANEL I/O Pa

32、nel 5V power supplyON (For 11 minutes after ACC OFF): LMomentary power down or Panel detached or 11 minutes after ACC OFF: Hi-Z57 NC - Not used Output L fi xed58 SOC S RST O SOC reset H: Normal condition, L: Reset (Bolero)59 PON ILL O Key illumination power supply H: Power ON, L: Power OFF60 VCC2 -6

33、1 SOC S STOP O SOC stop H: Normal condition, L: SOC stopped (Bolero)62 VSS -63 TYPE 1 I Destination setting64 TYPE 2 I Destination setting65 NC - Not used Output L fi xed66 ANT CON O Power antenna control Tuner ON: H67 PCON O External amplifi er control68,69 NC - Not used Output L fi xed70 ILLUMI DE

34、T I Dimmer illumination detection L: ON, H: OFF71 NC - Not used Output L fi xed72 ACC DET I ACC power supply detection ACC found: L, No ACC: H73 BU DET I Detection of momentary power down BU found: L, Momentary power down: H74 S SYS REQ O Communication request of system -com SOC75 S SOC REQ I Commun

35、ication request of SOC system -com76 PWIC SVR O Power IC discharge circuit control H: ON, L: OFF77 PWIC MUTE O Power IC mute control78 PWIC STBY O Power IC standby control79 LINE MUTE I Line mute detection TEL mute: Below 1V, NAVI mute: Over 2.5V80 PWIC DC DET I DC offset detection81 IC2 SDA I/O I2C

36、 data input/output82 IC2 SCL I/O I2C clock input/outputMICROCOMPUTERS TERMINAL DESCRIPTION7KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/W5041UG/W5141UAY/W5141UGY/W5541U/W5641UYMICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O ApplicationTruth Value TableProcessing / Operation / Description83

37、,84 NC - Not used Output L fi xed85 MUTE 0 O E-VOL front mute L: ON, H: OFF86 MUTE 1 O E-VOL rear mute L: ON, H: OFF87 MUTE 2 O E-VOL SW mute L: ON, H: OFF88 MUTE PRE FR O PRE-OUT mute for FRMute is L during CD play: LMomentary power down: LOnly condition when DUAL ZONE or NAVI INT: H fi xed89 MUTE

38、PRE SW O PRE-OUT mute for SW L: Mute ON, H: Mute OFF90 RDS NOISE I FM noise detection91 TUN SMETER I S-meter input92 LX MUTE I Communication request from slave unit H: Mute ON, L: Mute OFF 93 LX CON O Start-up request to slave unit H: Slave unit ON, L: Slave unit OFF94 AVSS -95 LX RST O Forced reset

39、 to slave unit H: Reset, L: Normal condition96 VREF -97 AVCC -98 LX DATA S I Data from slave unit99 LX DATA M O Data to slave unit100 LX CLK I/O LX-BUS clockTruth value tableq CD motor control CD MOTOR (Pin53) CD LOEJ (Pin52)Stop L LLoad H LEject H HBrake H Hi-z8KDC-MP408U/MP438U/X492/MP5039U/MP5539

40、U/W5041UA/W5041UG/W5141UAY/W5141UGY/W5541U/W5641UY ExampleKey Description of display Description5Disc EJECT times displayEJECNT XXXXXDisc EJECT times display. MAX 65535 (times)5While disc EJECT times is displayed, press and hold for 2 seconds or longer to clear disc EJECT times.A symbol “” in the ke

41、y column indicates that the key should be pressed and held for 1 second or longer. How to enter the test modeProcedure NotePress and hold the 1 key and 3 key and reset. While “ ” is displayed, power can be turned ON for only 30 minutes. All lamps blink when it is detected that the sub-clock resonato

42、r is disconnected.Do not display “CODE_OFF”, “CODE_ON” or “CODE_NG” when Power is ON.When having started up in the test mode, change the LINE MUTE inhibition time from 10 seconds to 1 second.When operating in the test mode, even if a DC offset error occurs, detection information is not written in th

43、e E2PROM.When operating in the test mode, CD mechanism error log information clear mode, and DC offset error detection information clear mode, do not perform DEMO mode operations.Also, do not display DEMO ON/OFF option items in the MENU in STANDBY source in the above modes.Forced load operation is p

44、rohibited in the test mode. How to clear the test modeProcedure NoteReset, momentary power down, ACC OFF, Power OFF, Panel detached. Clearing the test mode Test mode default conditionDescription Default valuesSource STANDBYDisplay Display lights are all turned on.Volume -10dB (“30” is displayed.)Lou

45、dness OFFCRSC OFF regardless of having/not having the switching function.AUX ONSystem Q NATURAL (FLAT)Preout RearTEST MODE9KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/W5041UG/W5141UAY/W5141UGY/W5541U/W5641UY Special displays when all lights are on in STANDBY sourceKey Description of display Descr

46、iptionCommon All lights ON. All lights ON.1Destination terminal condition indicationT Y P E 2:1 T Y P E 1:1“TYPE” indicates system -com (IC1) destination, and shows real-time condition of the destination terminal.Development ID condition indicationC0747WE2 3.00Development ID Version (system -com: IC

47、1)2 Serial No. display SNO 00000000Serial No. is displayed (8 digits)3Power ON time displayPONT IM 0HXX0050 is displayed for “XX”. When less than 1 hour, displayed by increments of 10 minutes.PONT IM XXXXX0000110922 is displayed for “XXXXX”. MAX 10922 (hours)3When Power ON time is displayed, press a

48、nd hold for 2 seconds or longer to clear Power ON time.4Disc operation time displayCDT I M 0HXX0050 is displayed for “XX”. When less than 1 hour, displayed by increments of 10 minutes.CDT IM XXXXX0000110922 is displayed for “XXXXX”. MAX 10922 (hours)4While the disc operation time is displayed, press

49、 and hold for 2 seconds or longer to clear the disc operation time. (Cleared only for displayed media.)5Disc EJECT times displayEJECNT XXXXXDisc EJECT times display. MAX 65535 (times)5While disc EJECT times is displayed, press and hold for 2 seconds or longer to clear disc EJECT times.6Panel open/close times displayPNCNT XXXXXPANEL open/close times display. MAX 65535 (times)6Press the key for more than 2 seconds while the PANEL open/close count is displayed and PANEL open/close count is cleared.FMROM cor