Kenwood-KDCMP-202-Service-Manual电路原理图.pdf

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1、 2005-12 PRINTED IN JAPANB53-0351-00 (N)755CD RECEIVERSERVICE MANUALThis product uses Lead Free solder.KDC-MP202KDC-MP333/RCKDC-MP433AUTO AMEFMAMSCRLVOLAUDFFSET UPSCAN RDM REPKDC-MP202Q MENU F.SELVOLAUDFFSET UPSCAN RDM REPKDC-MP333AUTOFMAMQAME MENU F.SELSCRLVOLAUDFFSET UPSCAN RDM REPKDC-MP433AUTOFMA

2、MQAME MENU F.SELSCRLPanel assyKDC-MP202 (A64-3802-02)Panel assyKDC-MP333/RC (A64-3798-02)SPARE TDF PANELMAIN UNIT NAME TDF PARTS No. TDF NAMEKDC-MP202 Y33-2420-60 TDF-MP62DTKDC-MP333 Y33-2420-62 TDF-MP333KDC-MP333RC Y33-2420-62 TDF-MP333Panel assyKDC-MP433 (A64-3799-02)KDC-MP433 Y33-2420-63 TDF-MP43

3、3* Carrying case(W01-1661-05)Mounting hardware assy(J21-9716-03)Lever(D10-4589-04) x2DC cord(E30-6415-15)Screw set(N99-1757-05)* Escutcheon(B07-xxxx-xx)* Plastic cabinet assy(A02-2736-03)Screw (4x16)(N84-4016-48)* Remote controller assy (RC-517)(A70-2069-15)Battery(Not supplied)* Depends on the mode

4、l. Refer to the parts list.2KDC-MP202/MP333KDC-MP333RC/MP433BLOCK DIAGRAME2PROMTUNER + MPX + E-VOL.IC10CD MECHABUD5VA8VSYSTEM u-COMBUSP-OUTMUTEQ701-703PRE-OUTPHONEACC-DETQ101SURGE-Q51BU-DETQ103Q6,7SW14VQ1Q2,3DC-CNA8VSERVO+BD5BU5SW5DETMUTEDC-CN etcPAN5VRESET ICIC8ILLUMI+BCNPANEL DETRESETENCODERROTARY

5、REMOTE SW5VVFD DRIVERKEY ILLUMIDISPLAYIC1SW5Q21IC1PAN5IC14IC3J1FM+B+BFMQ8,9ILLUMI+BILLUMI+BAM+BS11LEDED1FL+BJ6PREQ104,105IC11IC7SERVO+BA8VBU5BU5DSIQ301Q401BU5BU5J1DME1REMOTEWIREDBU5SW5CDSERVOBU5CN3RDSDECODERSW5SW5AM AGCQ501AM+BFM AGCQ502J2ANTBU5POWERICQ901-903OFFSETDCDETR103BU5SUPPLYPOWERICIC3FL+BQ5

6、SW14VSW51/2WRx5R11-15S1R80-821/2W Rx3FL+BGNDKEY MATRIXSWITCHJ1J5322111REAR L/RFRONT L/RFRONTBU DETACCPHONEP-ANTP-CONB.U.MUTEPHONEACC DETRSTPHONEACC-DET/BU-DETPS1-1/PS1-2/PS1-3P.ON FLPS2-1/PS2-259BU DETQ103From1331211REARFromX16-1To IC1To IC1To IC1From IC1PON FLPS1-1/PS1-2/PS1-3PS2-1/PS2-2From IC1119

7、122ELECTRIC UNIT (X34- )(X16- )CD PLAYER UNIT (X32-586x-xx)(X34- )BOARDMOTHEREFACBTR COILFO COILDPU1APCIC716.934MHzCLOCKIC3LPFIC2SWA3.3V REGIC1LOADING &MECHAu-COMIC4CLOCK16.00MHzRF AMPSERVOMP3 DECODERWMA DECODER1Mbit SRAMPROCESSORD3.3V REGIC6MOTORDRIVERMOTORSPINDLEBU3.3V REGIC5S2S4S1S3AAC DECODERSLE

8、DMOTORDM2DM1Q4X2X1Q7,80-01 ONLYIC104MbitDRAM+1.6V REGVREFD.GNDBU5V8EJE-SW12EJE-SWLOS-SWLOE/LIM-SWD.GNDD5.0VMOTORLO/EJS.GNDD.GNDD.GNDS.GNDDATAMUTE RMUTE LMSTOPMRSTCLKA.GNDA8VR-chL-chD.GNDS.GNDD.GNDD.GNDD.OUTS7.5VDMUTED.GNDP-ON1P-ON23KDC-MP202/MP333KDC-MP333RC/MP433COMPONENTS DESCRIPTION ELECTRIC UNIT

9、 (X34-409x-xx)Ref. No. Application / Function Operation / ConditionIC1 System -COM System controlIC3 Power Supply IC DC5V x 1, 7.9V x 1, 8.1V x 2, 10.2V x 1, P-CON, P-ANT outputIC8 Reset IC “L”: detection voltage below 3.6VIC10 E-VOL & Tuner E-VOL, Tuner, Stereo decoderIC11 E2PROM Save & Load for tu

10、ner adjust dataIC14 Power IC Signal amplifierQ1 14V SW ON when the base goes “Hi”Q2 SERVO+B AVR Output voltage 7.5VQ3 Control SW for SERVO+B ON when the base goes “Hi”Q4 Control SW for IC3 ON when the base goes “Hi”: Output voltage 10.3V.Q5 FL+B SW ON when the base goes “Hi”Q6 FL+B AVR Output voltag

11、e 11VQ7 Control SW for FL+B ON when the base goes “Hi”Q8 FM+B AVR Output voltage 8.0VQ9 Control SW for FM+B ON when the base goes “Hi”Q51 SERGE Det. ON when the base goes “Hi”Q101 ACC Det. ON when the base goes “Hi” during ACC is appliedQ103 BU Det. ON when the base goes “Hi” during BU is appliedQ10

12、4,105 MUTE Control ON when the base goes “Hi”Q301 DSI ILLUMI SW ON when the base goes “Hi”Q401 Panel 5V SW ON when the base goes “Lo”Q501 AM RF Amplifier Adjusts for gainQ502 FM RF Amplifier RF amplifierQ701 Mute driver for PRE OUT ON when the base goes “Lo”Q702 Mute SW for Lch PRE OUT Pre-output is

13、 muted when the base goes “Hi”Q703 Mute SW for Rch PRE OUT Pre-output is muted when the base goes “Hi”Q901 DC OFFSET Det ON when the base goes “Q902 and Q903s output separate”Q902,903 DC OFFSET Det SW ON when the base goes “IC14s SP-OUT (DC) separate” SWITCH UNIT (X16-350x-xx)Ref. No. Application /

14、Function Operation / ConditionIC1 VFD DRIVERIC3 REMOTE SENSORQ21 PAN SW5V “ON” when the base goes “H”4KDC-MP202/MP333KDC-MP333RC/MP433 CD PLAYER UNIT (X32-5860-00)Ref. No. Application / Function Operation / ConditionIC1 A3.3V regulator Power supply for audio 3.3VIC2 Ope amp for low-pass filterIC3 4c

15、h BTL driver Driving spindle motor and loading/ejection operationIC4 Mechanism -comIC5 BU 3.3V regulator Power supply for backup 3.3VIC6 D3.3V regulator Digital 3.3V power supplyIC7 Audio DAC built-in servo DSP MP3, WMA, and AAC compatibleIC11 Buffer IC Level shiftQ1 A3.3V discharge circuitQ4 Curren

16、t amp Adjusts current to be sent to laserQ5,6 SW 5VQ7,8 SW 8VD1 For current ampCOMPONENTS DESCRIPTIONMICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM -com: IC1 (X34-: ELECTRIC UNIT)Pin No. Pin Name I/O ApplicationTruth ValueProcessing / Operation / DescriptionTable1 PS2 2 O Power IC control 2-2 q Refer to

17、 the truth value table2 PS2 1 O Power IC control 2-1 q Refer to the truth value table3 PS1 1 O Power IC control 1-1 q Refer to the truth value table4 PS1 2 O Power IC control 1-2 q Refer to the truth value table5 PS1 3 O Power IC control 1-3 q Refer to the truth value table6 REMO I Remote control si

18、gnal input Detect pulse width7NC-Not used Fix to output L8 BYTE I Memory extension bus width setting Connect to VSS9 CNVSS - Connect to VSS. H: Can be changed (Only for FLASH)10 XCIN - 32.768kHz11 XCOUT - 32.768kHz12 RESET - L: RESET13 XOUT - 10.0MHz14 VSS -15 XIN - 10.0MHz16 VCC1 -17 NMI I Connect

19、to VCC (pull up)5KDC-MP202/MP333KDC-MP333RC/MP433Pin No. Pin Name I/O ApplicationTruth ValueProcessing / Operation / DescriptionTable18 CN DET I Panel communication detection H: Without PANEL, L: With PANEL19 NC - Not used Fix to output L20 KEY REQ I Communication request form VFD driver Connect to

20、INT21 PON FL O Key illumi power supply control ON: H, OFF: L22 DSI I/O DSI control OFF: Hi-z PANEL detached, Pulse drive ON: H23 PON PANEL I/O Panel 5V controlON: L, Momentary power down, when PANEL detached,11 minutes after ACC OFF: Hi-z2427 NC - Not used Fix to output L28 PWIC BEEP O Beep output29

21、 CD SCL I/O CD mechanism I2C clock output30 CD SDA I/O CD mechanism I2C data input/output31 VFD SYS DATA O VFD data output Data output32 VFD PAN DATA I VFDINT/data input INT/data input33 VFD CL O VFD clock output 52kHz34 VFD INH O VFD data blanking outputH: Cancel reset, L: RESET, L: Momentary power

22、 down,when PANEL detached, 11 minutes after ACC OFF35 AUD SDA I/O IC10 I2C data input/output36 AUD SCL I/O IC10 I2C clock input/output37 CD MUTE I CD MUTE request L: MUTE request38 CD MSTOP O CD mechanism -com stop H: Mechanism -com in operation, L: Mechanism -com stopped39 CD LOE LIM SW I CD detect

23、ion (chucking SW) H: Loading completed, L: Disc not found40 CD LOEJ I/O CD motor control w Refer to the truth value table41 EPM I FLASH EPM input L: Can be changed (Only for FLASH). Connect to VSS (pull down)42 CD MOTOR O CD motor control w Refer to the truth value table43 CD DISC8 SW I CD disc dete

24、ction (8cm)44 CD MRST O CD mechanism -com RST H: Normal, L: Reset45 CD DISC12 SW I CD disc detection (12cm)46 VFD CE O VFD control request47 CD LOS SW I CD loading detection48,49 NC - Not used Fix to output L50 ROTARY CW IVOL key input Detect pulse width51 NC - Not used Fix to output L52 ROTARY CCW

25、IVOL key input Detect pulse width5356 NC - Not used Fix to output L57 RDS AFS L O TUN RDS MUTE outputH: NormalL: FM/AM SEEK, AF search (L: When Tuner SRC Auto Zero)58 TUN ADJ IFor IC10 adjustment + When ADJ=H, PS1-1,2,3=Hi-z, PS2-1,2=Hi-z,E2PROM write request TUN DATA, CLK=Hi-z, MUTE=L, E2PROM writi

26、ng-in59 TUN SD I TUN search stop input H: Station found, L: Station not foundMICROCOMPUTERS TERMINAL DESCRIPTION6KDC-MP202/MP333KDC-MP333RC/MP433Pin No. Pin Name I/O ApplicationTruth ValueProcessing / Operation / DescriptionTable60 TUN FANC OUT O TUNER block (in -com) check Only when test mode, E2P

27、OK: H, E2P NG: L, Normal: L61 PON FM I/O FM power supply control H: When FM is active, Hi-z: When FM is not active62 VCC2 -63 NC - Not used Fix to output L64 VSS -65 MUTE I/O MUTE L: MUTE OFF, Hi-z: MUTE ON66 PWIC SVR O SVR discharge circuit (Not used)When momentary power down by POWER OFF,5 seconds

28、 : H, Thereafter: L67 PWIC STBY O Power IC stand-by control POWER ON: H, POWER OFF: L68 PWIC MUTE O Power IC MUTEWhile STANDBY source,Momentary power down: L , While TEL MUTE: L6974 NC - Not used Fix to output L75 RDS CLK I RDS decoder CLK input (RDS model only)76 TUN TYPE1 I Destination setting 1 e

29、 Refer to the truth value table77 TUN TYPE2 I Destination setting 2 e Refer to the truth value table78 TYPE1 I Destination change r Refer to the truth value table79 TYPE2 I Destination change r Refer to the truth value table80 TYPE3 I Destination change r Refer to the truth value table81 RDS NOISE I

30、 FM noise detection82 TUN SMETER IS meter inputTUN RDS MUTE outputH: Normal83 RDS AFS L 2 O(Not used in circuit, used in software)L: FM/AM SEEK, AF search (L: When Tuner SRC Auto Zero)* Same process with RDS AFS L8486 NC - Not used Fix to output L87 PWIC DC DET I DC offset detection88 LINE MUTE I Li

31、ne mute detectionTEL MUTE: 1V or lower, NAVI MUTE: 2.5V or higherNAVI MUTE: 1V or lower and 2.5V or higher (J-TYPE)89,90 NC - Not used Fix to output L91 RDS DATA I RDS decoder DATA input92 RDS QUAL I RDS decoder QUAL input93 NC - Not used Fix to output L94 ACC DET I ACC power supply detection L: ACC

32、 ON, H: ACC OFF95 BU DET I Momentary power down detectionL: BU found, H: BU not found, momentary power downActivated within 4ms after detection of momentary power down96 AVSS - Connect to VSS97 REF CON O VREF control Connect to VREF98 VREF - Connect to REF CON99 AVCC - Connect to VCC100 NC - Not use

33、d Fix to output LMICROCOMPUTERS TERMINAL DESCRIPTION7KDC-MP202/MP333KDC-MP333RC/MP433Truth Value Tableq : Power supply IC (IC3) controlSEL1 (Pin No. 11)PS1-2 PS1-3 PS2-1 ILLUMI P-CON P-ANTLLLOFF OFF OFFLLHONOFF OFFHLHONONOFFHHHONONONSEL2 (Pin No. 12)PS1-1 PS2-2 AUDIO SW5 AMLLOFF OFF OFFHLONON OFFHHO

34、NON ONw : CD mechanism control operationCD MOTOR CD LOEJStop L LLoad H LEject H HBrake H Hi-ze : Destination settingModel TYPE 1 TYPE 2KENWOOD brand model (initial value) L LOEM model (with CRSC changed) L HKENWOOD brand model (with CRSC changed) H LKENWOOD brand model (to support test-driving in EU

35、) HHr : Destination changeTYPE 3 TYPE 2 TYPE 1Destination Model(Pin 80) (Pin 79) (Pin 78)000KKDC-MP202001JE313S010EKDC-3034A/3034AY/W4034A/W4034AY/W410A/W410AY011EKDC-W434A100KKDC-MP2032CR101MKDC-MP333/MP333RC/MP433110EKDC-3034G/3034GY/W4034G/W4034GY/W410G/W410GY111J/E E212/E212S/KDC-W40GY/W434G/W43

36、4GY MECHANISM -com : IC4 (X32- : CD PLAYER UNIT)Pin No. Pin Name I/O ApplicationProcessing OperationRemarksDescription1NC-Not used Low-fixed2 E2P SCL I/O Rom correction E2P I2C clock35 NC - Not used Low-fixed6 VDD - 5V electric potential7 GND - GND electric potential8,9 NC - Not used Low-fixed10,11

37、PON1, PON2 O Power ON/OFF control H : ON, L : OFF12 LOE/LIM SW I Down-limit SW detection L : Lim detectionMICROCOMPUTERS TERMINAL DESCRIPTION8KDC-MP202/MP333KDC-MP333RC/MP433Pin No. Pin Name I/O ApplicationProcessing OperationRemarksDescriptionUsed with DXM-6680W (X32-586).13 DAC MUTE O DAC MUTE con

38、trol H : MUTE ON, L : MUTE OFF With DXM-6580W (X32-574), openand L-fixed.Used with DXM-6680W (X32-586).14 DAC RST O DAC RESET H : NORMAL, L : RESET With DXM-6580W (X32-574), openand L-fixed.H : Emphasis ON,Used with DXM-6680W (X32-586).15 EMPH O External DAC Emphasis controlL : Emphasis OFFWith DXM-

39、6580W (X32-574), openand L-fixed.16,17 NC - Not used Low-fixed18 IC/Vpp - Write voltage (FLASH)L : Normal operation,H : In writing.19 MUTE L O Lch audio MUTE control L : MUTE ON, H : MUTE OFF20 MUTE R O Rch audio MUTE control L : MUTE ON, H : MUTE OFF21 TYPE I DAC switchingH : DSP built-in DAC used,

40、 H : DXM-6580W (X32-574),L : DSP built-in DAC Not used L : DXM-6680W (X32-586)22 TEST O 1 O TEST MODE O 1 (Not used)23 TEST O 2 O TEST MODE O 2 (Not used)24 TEST O 3 O TEST MODE O 3 (Not used)25 TEST O 4 O TEST MODE O 4 (Not used)26 NC - Not used Low-fixed27 WAIT I Wait control signal detection2830

41、NC - Not used Low-fixed31 RESET I Reset detection H : NORMAL, L : RESET32 XT1 I Not used33 XT2 - Not used34 REGC -35 X2 -36 X1 I37 Vss - GND electric potential38 VDD - 5V electric potential39 NC - NC Output stopped in standby 3.3V driven40 WRL I Multiplex WRITE signal 3.3V driven41,42 NC - Not used

42、Low-fixed 3.3V driven43 RD O Multiplex RD signal 3.3V driven44 ASTB O Multiplex ASTB signal 3.3V driven45 NC - Not used Low-fixed 3.3V driven46 NC - Not used Low-fixed 3.3V driven4754 AD0AD7 I/O Multiplex address/data 3.3V drivenMICROCOMPUTERS TERMINAL DESCRIPTION9KDC-MP202/MP333KDC-MP333RC/MP433Pin

43、 No. Pin Name I/O ApplicationProcessing OperationRemarksDescription55 BVdd - BUS interface power supply56 BVss - BUS interface GND5761 AB8AB12 I/O Multiplex data/address 3.3V driven6265 NC - Not used Low-fixed 3.3V driven66 CS O Chip select control H : OFF, L : ON 3.3V driven67 DSP RESET O DSP reset

44、 control H : NORMAL, L : RESET 3.3V driven6870 NC - Not used Low-fixed 3.3V driven71 Avdd -72 Avss -73 Avref I A/D port reference voltage input74 NC - Not used. Low-fixed75 RAMSEL IWith DRAM/No DRAM switchingH : With DRAM, L : No DRAMfor different models76 RZM I 0bit MUTE detection H : 1.7V, L : 1.7

45、V77 LZM I 0bit MUTE detection H : 1.7V, L : 1.7V78 AAC I AAC compatibility switchingH : AAC non-compatible, AAC non-compatible mode has priorityL : AAC compatible for both hardware and software.79 ASEL I Audio output polarity switchingH : Reverse output,L : Non-reverse output80 E2P WR I E2PROM write

46、 switchingH : E2PROM WRITE,L : NORMAL81 TEST I 0 I TEST MODE I 0 (Not used)82 TEST I 1 I TEST MODE I 1 (Not used)83 TEST I 2 I TEST MODE I 2 (Not used)84 TEST I 3 I TEST MODE I 3 (Not used)85,86 NC - Not used Low-fixed87 MSTOP I Standby restart interruption H : STOP release, L : STOP88 INTSV I Inter

47、ruption from servo IC H : Interruption8992 NC - Not used Low-fixed93 D-MUTE O Driver MUTE H : OFF, L : ON94 SYS SDA I/O System -com I2C data Flash write port (SI0)95 NC - Not used Low-fixed Flash write port (SO0)96 SYS SCL I/O System -com I2C clock Flash write port (SCK0)9799 NC - Not used Low-fixed

48、100 E2P SDA I/O ROM correction E2P I2C dataMICROCOMPUTERS TERMINAL DESCRIPTION10KDC-MP202/MP333KDC-MP333RC/MP433 How to enter the test modePress and hold the 1 and 3 keys and reset. How to clear the test modeReset, momentary power down, Acc OFF, Power OFF, de-tach the panel. Test mode default condit

49、ion Source is STANDBY. Display lights are all turned on. The volume is at -10dB (The display is 30). LOUD is OFF. CRSC is off regardless of the availability of switching func-tion. SYSTEM Q (dB equalizer) is NATURAL (=FLAT). BEEP should always functions when the key is pressed. Specification of test mode for tuner TUNER mode 4 key frequency shall be 98.3MHz. CD receiver test mode specification Display mode default setting shall be P-TIME. Jumps to the following tracks by pressing the key.No. 9 No. 15 No. 10 No. 11