Kenwood-KDCMP-628-Service-Manual电路原理图.pdf

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1、 2005-3 PRINTED IN JAPANB53-0266-00 (N)1708CD RECEIVERKDC-MP628KDC-MP7028KDC-MP728KDC-MP8029KDC-W7031/YSERVICE MANUALThis product uses Lead Free solder.ANKDC-MP628SRCVOLAUDATTAMEAUTO MENUFFC.S.SystemSCAN REP M.RDMRDM F.SCRLSWANKDC-MP7028SRCVOLAUDATTAMEAUTO MENUFFC.S.SystemSCAN REP M.RDMRDM F.SCRLSWA

2、NKDC-MP728SRCVOLAUDATTAMEAUTO MENUFFC.S.SystemSCAN REP M.RDMRDM F.SCRLSWANKDC-MP8029SRCVOLAUDATTAMEAUTO MENUFFSystemSCAN REP M.RDMRDM F.SCRLSWPTYANKDC-W7031SRCVOLAUDATTAMETI MENUFFSystemSCAN REP M.RDMRDM F.SCRLSW* Depends on the model. Refer to the parts list.SPARE TDF PANELMAIN UNIT NAME TDF PARTS

3、No. TDF NAMEKDC-MP628 Y33-2200-62 TDF-MP75DKDC-MP7028 Y33-2200-60 TDF-MP75DBKDC-MP728 Y33-2200-62 TDF-MP75DKDC-MP8029 Y33-2200-63 TDF-MP8029KDC-W7031/Y Y33-2200-64 TDF-W7031Mounting hardware assy(J21-9716-03)Plastic cabinet assy(A02-2732-03)* DC cord(E30-xxxx-xx)* Escutcheon(B07-xxxx-xx)Panel assyKD

4、C-MP628 (A64-3507-12)Panel assyKDC-MP7028 (A64-3665-02)Panel assyKDC-MP728 (A64-3506-12)Panel assyKDC-MP8029 (A64-3513-12)Panel assyKDC-W7031/Y (A64-3508-12)* DC cord(E30-6412-05)* Screw set(N99-xxxx-xx)* Remote controller assy (RC-527)(A70-2067-05)Battery(Not supplied)Lever(D10-4589-04) x2* Tapping

5、 screw(N09-xxxx-xx)* Antenna adaptor(T90-0523-05)CD MECHANISM EXTENSION CORD (24P) : W05-0934-002KDC-MP628/MP7028/MP728MP8029/W7031/W7031YBLOCK DIAGRAMAM+BFRONT-ENDA1CN550CD/MDJ2LX-BUSSW5VA8VA8VAGCE-VOL/SOURCE SELECTORLPF DSP DAC LPFA3.3V A5VD3.3V D5VBU5VA8VA3.3V REF+BSVR REFPREMUTE AMPOPICPOWER9VPR

6、E OUTPRE OUTPRE OUTAUX INSHIFTLEVELD3.3VIC304IC303IC301,302 IC306-308IC305IC1IC5 IC3IC4IC800 Q800,802Q608-613Q801IC750IC500Q402,403IC300IC601-603IC103DRIVERMUTEBU5VIC102RDSDECODERIC400IC100MD-DETMEMORYINSTALLERROM CORRECTIONIC104SW5VBU5VA8VD5VSERVOQ450DSIBU5VUPBACKRESETIC(X16-252)BU5VSYSTEM u-COMOPE

7、L DISPP-CONANT-CONEXT AMPACC DETDIMMERSURGE DETB.U DETQ20,21BU5VSW16VQ50-52Q41,43,44ILL+BSW14VIC10A8VQ12IC601-603DC/DC(5VPRE)+BMOTORQ30,3242,45PANEL5V(VFD)SERVOIC80FL DCQ31,33DC/DCIC60DRIVERMOTORIC450CD5VQ63,64SW5VQ22,23MECHAPANELM1CLOSEOPEN/DETQ100,101P CONANT CONEXT.AMP.CONDIMMERACCBACK UPLINEPANE

8、LSP OUT(FR)SP OUT(RL)SP OUT(FL)SP OUT(RR)REMOTEIC8LEVEL SHIFTD3.3VIC11SW5VQ7,8D2.5VIC10Q11,13FL+BQ9,10FL3.3VFLQ6SW3.3VPANELu-COMIC4IC7RESET SWIC5IC1S1FLASH ROMENCODERROTARYIC2ANALYZERSPECTRUMIC6REMOTE KEY ILLUMIQ3-5BU5VSW5VSERVOD5VA8V9VILL+BQ40,ED1ILL+B(SW)(FRONT)(REAR)WIREDLEVEL SHIFTQ205Q203,204Q2

9、02Q207Q206Q208,209IC200KEY MATRIXE2PROMFSTFM/AMAUXCHCDorMDSPECTRUMMUTE A,CMUTE 0,1WININ OFFSETRSTMUTE A,CSTBYforMPXRDSRSTANALYZERSPECTRUMMUTE0,1,2ANALYZERPANELEFACBTR COILFO COILAPCIC716.934MHzCLOCKIC3LPFIC2SWA3.3V REGIC1LOADING &MICROPROCESSORIC4CLOCK16.00MHzRF AMPSERVOMP3 DECODERWMA DECODER1Mbit S

10、RAMPROCESSORD3.3V REGIC6MOTORDRIVERMOTORSPINDLEBU3.3V REGIC5S2S4S1S3AAC DECODER+(0-01)ONLYSLEDMOTORPICKUPCD PLAYER UNIT (X32-5740)BOARDMOTHERVREFD.GNDBU5V8EJE-SW12EJE-SWLOS-SWLOE/LIM-SWD.GNDD5.0VMOTORLO/EJS.GNDD.GNDD.GNDP-ON1S.GNDDATAMUTE RMUTE LMSTOPMRSTCLKA.GNDA8VR-chL-chD.GNDS.GNDD.GNDD.GNDD.OUTP

11、-ON2S7.5VDMUTEKDC-MP628/MP7028/MP728MP8029/W7031/W7031Y3COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-3xxx-xx)Ref. No. Application / Function Operation / ConditionIC10 AUDIO8V REF POWER SUPPLY 1.27V outputIC60 SWITCHING REGULATOR CONTROLLERVFD / Mechanism digital power supply.OUT1 : VFD (4.7V), OUT2 : M

12、echanism digital (5V)IC80 FL+B VFD power supply (57V)IC100 RESET IC “L“ when detection voltage is 3.6V or lessIC102 SYSTEM -COM FM/AM tuner / Changer / CD mechanism / Panel / Volume / Tone controlIC103 MUTE DRIVER Mute controlIC104 E2PROM Installer memoryIC200 POWER CONTROL IC Power control switchin

13、gIC300 E-VOL & SOURCE SELECTOR Source / Volume / Tone controlIC400 RDS DECODERIC450 PANEL MECHA MOTOR DRIVERIC451 G-ANALYZER Analog gravity sensorIC500 SPECTRUM ANALYZER BUFFER AMP & AGC Spectrum analyzer buffer / Auto gain controlIC600 9V AVR 5V pre-out power supplyIC601603 5V PREOUT AMP Buffer/Gai

14、ned controlIC750 POWER IC Front L/R and a rear L/R signal amplificationIC800 AUDIO3.3V REF SUPPLY / SVR6.8V REF SUPPLYSupplying audio 3.3V reference voltage to E-VOL/LPFSupplying SVR6.8V reference voltage to IC750 (POWER IC)Q10,11 AUDIO8V AVR When Q11 base is “H”, A8V is outputQ12 SW14V When base is

15、 “H”, SW14V is outputQ20,21 B.U.5V AVR When backup is “ON”, BU5V is outputQ22,23 SW5V When Q23 base is “H”, SW5V is outputQ30,32 MOTOR+B AVR (PANEL MECHA) When Q9 base is “H”, 7.5V MOTOR+B is outputQ31,33 SERVO+B AVR When Q33 base is “H”, 8V SERVO+B is outputQ40,42,45 PANEL5V AVR When Q42 base is “H

16、”, PANEL5V is outputQ41,43,44 ILLUMINATION AVR When Q43 base is “H”, 10.5V ILLUMI voltage is outputQ5052 SW16W (SERGE PROTECTION) When Q51 base is “H”, SW16V (13V) is outputQ60 VFD (4.7V) AVR SW When base is “H”, VFD AVR is turned “OFF”SWITCHING REGULATOR FREQUENCYQ61CONTROL SW (IC60)IN1 IN2 PANEL M

17、ECHALLWAITLHOPENHLCLOSEHHSTOPF SEL2 (BASE)F SEL1LH(BASE)L 400kHz 600kHzH 650kHz 850kHz4KDC-MP628/MP7028/MP728MP8029/W7031/W7031YCOMPONENTS DESCRIPTIONRef. No. Application / Function Operation / ConditionQ62 MECHA DIGITAL AVR SW When base is “H”, MECHA DIGITAL AVR is turned “OFF”Q63 VFD (4.7V) AVR SW

18、ITCHING POWER DRIVER Controlled by IC60 and Q61 determines frequencyQ64 MECHA DIGITAL AVR POWER DRIVER Controlled by IC60 (Frequency is fixed to 400kHz)Q80,81 VFD (57V) AVR SW When Q81 base is “H”, VFD (57V) is outputQ91 PANEL5V DISCHARGE SW When base is “H”, PANEL5V is dischargedQ100,101 PANEL DETE

19、CT SW When Q100 base is “L”, panel is detectedQ200,201 PREOUT MUTE DRIVER When base is “L”, MUTE DRIVER is turned “ON”Q202 ACC DETECT SW When base is “H”, ACC voltage is detectedQ203,204 SERGE DETECT SW When Q204 base is “H”, IC750 (POWER IC) is turned to standby.Q205 BU DETECT SW When Q35 base is “

20、H”, backup voltage is detectedQ206 EXT AMP CONTROL BUFFER Output buffer from IC102 (-COM)Q207 SMALL LAMP DETECT SW When base is “H”, small lamp is detectedQ208,209 POWER ANTENNA SW Q206 base is “H”, 14V POWER ANTENNA voltage is outputQ402,403 AM+B SW When Q403 base is “H”, AM+B is outputQ450 DSI DRI

21、VERWhen base is “H”, DSI is turned “ON”. When base is “L”, DSI isturned “OFF”. When panel is off, DSI blinks.Q500 SPECTRUM ANALYZER AGC CONTROLLER When excess input is made, feed-back is interrupted which slows down output.Q600602 PRE-AMP +9V AVRQ600 and Q602 function as differential amplifier.Q601

22、functions as a driver and +9.4V is supplied to op amp for pre-out.Q603605 PRE-AMP -9V AVRQ603 and Q605 function as differential amplifier.Q604 functions as a driver and 9.1V is supplied to op amp for pre-out.Q606,607 AUDIO 10.5V AVR When Q606 base is “H”, 10.5V is outputQ608613 PREOUT MUTE SW When b

23、ase is “H”, pre-out is mutedQ800,802 REF+B AVR When Q800 base is “H”, 13V is outputQ801 SVR6.8V REF SUPPLY AGC CONTROLLER When backup voltage is down, feed-back is interrupted which slows down output. SWITCH UNIT (X16-2950-1x / X16-3122-72)Ref. No. Application / Function Operation / ConditionIC1 ROM

24、 IC / FLASH ROM IC Display image data storageIC2 SPECTRUM ANALYZER 6-ch band pass filterIC4 PANEL -COMIC5 RESET IC Functions when panel is attachedIC6 REMOTE CONTROLIC7 LEVEL SHIFT Conversion from 5V level to 3.3VIC8 LEVEL SHIFT Conversion from 3.3V level to 5VIC9 BUFFER Functions when controlling f

25、ruorescent indicator tube (ED1)IC10 2.5V REGULATOR For 2.5V power supplyIC11 3.3V REGULATOR For 3.3V power supplyQ1 TRIANGLE GREEN LED SW Lights up when base is “H”KDC-MP628/MP7028/MP728MP8029/W7031/W7031Y5COMPONENTS DESCRIPTIONRef. No. Application / Function Operation / ConditionQ2 TRIANGLE RED LED

26、 SW Lights up when base is “H”Q3 BLUE LED SW Lights up when base is “H”Q4 GREEN LED SW Lights up when base is “H”Q5 RED LED SW Lights up when base is “H”Q6 SW3.3V SW When base is “L”, SW3.3V is supplied to IC1 and IC3Q7,8 SW5V SW When Q8 base is “H”, SW5V is supplied to IC2 and IC6Q9,10 FL3.3V SW Wh

27、en Q9 base is “H”, FL+3.3V (VDD1) is supplied to fruorescent indicator tubeQ12 FL BLK SW When base is “H”, fruorescent indicator tube (ED1) lights upQ11,13 FL+B SW When Q11 base is “H”, FL+B (VDD2) is supplied to fruorescent indicator tube CD PLAYER UNIT (X32-5740-0x)Ref. No. Application / Function

28、Operation / ConditionIC1 A3.3V regulator Power supply for audio 3.3VIC2 Ope amp for low-pass filterIC3 4ch BTL driver Driving spindle motor and loading/ejection operationIC4 -comIC5 Bu 3.3V regulator Power supply for backup 3.3VIC6 D3.3V regulator Digital 3.3V power supplyIC7 Audio DAC built-in serv

29、o DSP MP3, WMA, and AAC compatibleIC8 Memory IC Used only for 0-02 destinationIC11 Buffer IC Level shiftQ1 A3.3V discharge circuitQ4 Electric AMP Adjusts current to be sent to laserQ5,6 SW 5VQ7,8 SW 8VD1 For electric AMP6KDC-MP628/MP7028/MP728MP8029/W7031/W7031YMICROCOMPUTERS TERMINAL DESCRIPTION SY

30、STEM MICROCOMPUTER : IC102 (X34- : ELECTRIC UNIT)Pin No. Pin Name I/O Function Processing Operation1 VREF - Analog reference voltage2AVCC -3 LX DATA S I Data from slave unit4 LX DATA M O Data to slave unit5 LX CLK I/O LX-BUS clock6 WIRED REMO I External display remoter controller7 LX MUTE I Mute req

31、uest from slave unit H : MUTE ON, L : MUTE OFF8AUD SDA O E-VOL data SPI communication9AUD SEL O E-VOL control SPI communication10 AUD SCL O E-VOL clock SPI communication11 DAC RST O DAC reset L : DAC RESET12 NC - Not used13 BYTE - GND14 CNVSS -15 XCIN I Clock 32,768kHz16 XCOUT I Clock 32,768kHz17 RE

32、SET I Reset18 XOUT - Clock 12MHz19 VSS - GND20 XIN - Clock 12MHz21 VCC1 -22 NMI I23 PANEL DET I Panel detection H : No panel, L : Panel exists24 RDS CLK I RDS decoder clock25 LX REQ S I Communication request from slave unit26 PON AM I/O AM power supply control AM in operation : H, AM not in operatio

33、n : HI-Z27 LX REQ M O Communication request to slave unit28 TUN IFC OUT I Front-end IFC out H : Station exists, L : No station29 RDS AFS L I/O Time constant switching when noise detected Refer to Truth Value Table (RDS AFS)30 RDS AFS M I/O Time constant switching when noise detected Refer to Truth V

34、alue Table (RDS AFS)31 RDS QUAL I RDS decoder QUAL32 RDS DATA I RDS decoder DATA33 PWIC BEEP O Beep34 TUN SCL I/O Front-end I2C clock MAX 400kHz35 TUN SDA I/O Front-end I2C data36 SYS DATA O Inside-panel communication data MAX 500kbps37 VCC1 -38 PAN DATA I Inside-panel communication data MAX 500kbps

35、39 VSS -40 SYS REQ O Communication request from system -com41 PAN REQ I Communication request from panel42 SDA I/O E2PROM I2C data MAX 100kHzKDC-MP628/MP7028/MP728MP8029/W7031/W7031Y7Pin No. Pin Name I/O Function Processing Operation43 SCL I/O E2PROM I2C clock MAX 100kHz44 PON PANEL I/O Panel 5V con

36、trolON : H (Momentary power down/Panel detached)11 Minutes after ACC OFF : Hi-Z45 DSI I/O DSI control4649 NC - Not used.50 PM MOT1 O Panel motor control 1 Refer to Truth Value Table (PANEL MOTOR)51 PM MOT2 O Panel motor control 2 Refer to Truth Value Table (PANEL MOTOR)52 EPM I Flash EPM53 PM OPEN I

37、 Panel full open detection Refer to Truth Value Table (PANEL MECHA)5456 NC - Not used57 P5V DIS I/O Panel 5V discharge control H : Discharge, Other : Hi-Z58 PM CLOSE I Panel mechanism close detection Refer to Truth Value Table (PANEL MECHA)59 ROMCOR DET I E2PROM write request H : Write60 PM DET I Pa

38、nel mechanism detection H : Function check in progress61 SC CON O Inside-panel communication (Chip enable when flash) POWER OFF, ACC OFF : L62 NC - Not used63 TUN TYPE1 I Destination setting 1 TUN TYPE1 : L, TUN TYPE2 : L64 TUN TYPE2 I Destination setting 2 TUN TYPE1 : L, TUN TYPE2 : L65,66 NC - Not

39、 used67 CD DISC12 SW I 12cm CD detection68 CD LOS SW I CD loading detection69 CD MUTE R I CD mute (Rch) request L : Rch mute request70 CD MUTE L I CD mute (Lch) request L : Lch mute request71 CD MRST O CD mechanism microcomputer reset L : Reset, H : Normal72 CD MSTOP O CD mechanism microcomputer sto

40、pL : Mechanism microcomputer stop,H : Mechanism microcomputer in operation73 NC - Not used74 CD LOE LIM SW I CD detection (Chucking SW) H : Loading complete, L : No disc75 CD LOEJ I/O CD motor control Refer to Truth Value Table (CD MOTOR / CD LOEJ)76 CD MOTOR O CD motor control Refer to Truth Value

41、Table (CD MOTOR / CD LOEJ)77 PON ILLUMI I/O Key illumination power supply control ON : H, OFF : Hi-Z78 PON CD I/O CD/WMA power supply control At time of CD source: H, Other than CD : Hi-Z79 PON O Power supply control POWER ON : H, POWER OFF : L80 PON FL+B O Fruorescent indicator tube bias power supp

42、ly control POWER ON : H, POWER OFF or display black out : L81 PON FDC I/O Fruorescent indicator tube filament power supply control POWER ON : L, POWER OFF or display black out : Hi-Z82 F SEL1 O SW-Reg frequency switching83 F SEL2 O SW-Reg frequency switching84 DIAG I/O P-CON excess current surveilla

43、nce85 VCC2 -86 EXT AMP CON I/O External amplifier control87 VSS -8891 TYPE 1TYPE4 I Destination switching92 NC - Not usedMICROCOMPUTERS TERMINAL DESCRIPTION8KDC-MP628/MP7028/MP728MP8029/W7031/W7031YPin No. Pin Name I/O Function Processing Operation93 OEM DISP DATA I/O External display DATA External

44、display94 OEM DISP CLK I/O External display CLK External display95 OEM DISP CE I/O External display control request External display96 NC - Not used.97 P CON O External amplifier control POWER ON : H, POWER OFF or STANDBY : L98 NC - Not used.99 ANT CONT O Power antenna control TUNER ON : H100 ILLUMI

45、 DET I Dimmer illumination detection L : ON, H : OFF101 BU DET I Momentary power down detection BU : L, No BU or momentary power down : H102 ACC DET I ACC power supply detection ACC ON : L, ACC OFF : H103 (PWIC SVR) O SVR discharge circuitH : 5 seconds after POWER OFF and momentarypower down, Then :

46、 L104 PWIC MUTE O Power IC muteL : When STANDBY source or momentary powerdown, L : When TEL MUTE105 PWIC STBY O Power IC standby control POWER ON : H, POWER OFF : L106 LX CON O Start up request to slave unit H : SLAVE UNIT ON, L : SLAVE UNIT OFF107 MUTE PRE R O Rch pre-out muteL : When “MUTE PRE R”

47、is “L” or at momentarypower down, H : Only when 2-zone108 CD MUTE PRE L O Lch pre-out muteL : When “MUTE PRE L” is “L” or at momentary powerdown, H : Only when 2-zone109 MUTE 0 O E-VOL front mute ON : L, OFF : H110 MUTE 1 O E-VOL rear mute ON : L, OFF : H111 MUTE 2 O E-VOL sub mute ON : L, OFF : H11

48、2 MUTE A O E-VOL spctrum analyzer mute ON : L, OFF : H113 DSP MUTE I/O DSP mute ON : L, OFF : Hi-Z114 MUTE C O E-VOL AFS mute ON : L, OFF : H115 DSP INIT RST O DSP initial reset L : Reset, H : Reset release116 DSP S RST O DSP system reset L : Reset, H : Reset release117 DSP RQ O Request to DSP L : R

49、equest118 DSP CS O DSP chip select L : Select119 NC (GTEST) O Not used120 LINE MUTE I Line mute detectTEL MUTE : 1V or less,NAVI MUTE : 1V or less, 2.5V or more121 MD DET I For a terminal of MD receiver122 PWIC DC DET I DC offset error detect123 LX RST O Hard reset to slave unit H : Reset, L : Normal124 G Y OUT I Analog Y gravity detect125 G X OUT I Analog X gravity detect126 RDS NOISE I FM noise detection127 AVSS -128 TUN SMETER I S-meter inputMICROCOMPUTERS TERMINAL DESCRIPTIONKDC-MP628/MP7028/MP728MP8029/W7031/W7031Y9 PANEL MICROCOMPUTER : IC4 (X16- : SWITC