Kenwood-KDCMP-202-Service-Manual(2) 电路图 维修手册.pdf

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1、 2005-12 PRINTED IN JAPAN B53-0351-00 (N) 755 CD RECEIVER SERVICE MANUAL This product uses Lead Free solder. KDC-MP202 KDC-MP333/RC KDC-MP433 AUTOAME FM AM SCRL VOL AUD FF SET UP SCANRDMREP KDC-MP202 QMENUF.SEL VOL AUD FF SET UP SCANRDMREP KDC-MP333 AUTO FM AM QAMEMENUF.SEL SCRL VOL AUD FF SET UP SC

2、ANRDMREP KDC-MP433 AUTO FM AM QAMEMENUF.SEL SCRL Panel assy KDC-MP202 (A64-3802-02) Panel assy KDC-MP333/RC (A64-3798-02) SPARE TDF PANEL MAIN UNIT NAMETDF PARTS No.TDF NAME KDC-MP202Y33-2420-60TDF-MP62DT KDC-MP333Y33-2420-62TDF-MP333 KDC-MP333RCY33-2420-62TDF-MP333 Panel assy KDC-MP433 (A64-3799-02

3、) KDC-MP433Y33-2420-63TDF-MP433 * Carrying case (W01-1661-05) Mounting hardware assy (J21-9716-03) Lever (D10-4589-04) x2 DC 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) (A70-20

4、69-15) Battery (Not supplied) * Depends on the model. Refer to the parts list. RadioFans.CN 收音机爱 好者资料库 2 KDC-MP202/MP333 KDC-MP333RC/MP433 BLOCK DIAGRAM E2PROM TUNER + MPX + E-VOL. IC10 CD MECHA BU D5V A8V SYSTEM u-COM BU SP-OUT MUTE Q701-703 PRE-OUT PHONE ACC-DET Q101 SURGE- Q51 BU-DET Q103 Q6,7 SW

5、14V Q1 Q2,3 DC-CN A8V SERVO+B D5 BU5 SW5 DET MUTE DC-CN etc PAN5V RESET IC IC8 ILLUMI+B CN PANEL DET RESET ENCODER ROTARY REMOTESW5V VFD DRIVER KEY ILLUMI DISPLAY IC1 SW5 Q21 IC1 PAN5 IC14 IC3 J1 FM+B +B FM Q8,9 ILLUMI+BILLUMI+B AM+B S11 LED ED1 FL+B J6 PRE Q104,105 IC11 IC7 SERVO+B A8V BU5 BU5DSI Q

6、301 Q401 BU5 BU5 J1 DME1 REMOTE WIRED BU5 SW5 CD SERVO BU5 CN3 RDS DECODER SW5 SW5 AM AGC Q501 AM+B FM AGC Q502 J2 ANT BU5 POWER IC Q901-903 OFFSET DC DET R103 BU5 SUPPLY POWER IC IC3 FL+B Q5 SW14V SW5 1/2W Rx5 R11-15 S1 R80-82 1/2W Rx3 FL+B GND KEY MATRIX SWITCH J1 J5 32 2 11 1 REAR L/R FRONT L/R F

7、RONT BU DET ACC PHONE P-ANT P-CON B.U. MUTE PHONE ACC DET RST PHONE ACC-DET/BU-DET PS1-1/PS1-2/PS1-3 P.ON FL PS2-1/PS2-2 5 9 BU DET Q103 From 1 3 3 1 2 1 1 REAR From X16- 1 To IC1 To IC1 To IC1 From IC1 PON FL PS1-1/PS1-2/PS1-3 PS2-1/PS2-2 From IC1 119 1 2 2 ELECTRIC UNIT (X34- ) (X16- ) CD PLAYER U

8、NIT (X32-586x-xx) (X34- ) BOARD MOTHER EF A C B TR COIL FO COIL DPU1 APC IC7 16.934MHz CLOCK IC3 LPF IC2 SWA3.3V REG IC1 LOADING & MECHA u-COM IC4 CLOCK 16.00MHz RF AMP SERVO MP3 DECODER WMA DECODER 1Mbit SRAM PROCESSOR D3.3V REG IC6 MOTOR DRIVER MOTOR SPINDLE BU3.3V REG IC5 S2 S4 S1 S3 AAC DECODER

9、SLED MOTOR DM2 DM1 Q4 X2 X1 Q7,8 0-01 ONLY IC10 4Mbit DRAM + + + + + 1.6V REG VREF D.GND BU5V 8EJE-SW 12EJE-SW LOS-SW LOE/LIM-SW D.GND D5.0V MOTOR LO/EJ S.GND D.GND D.GND S.GND DATA MUTE R MUTE L MSTOP MRST CLK A.GND A8V R-ch L-ch D.GND S.GND D.GND D.GND D.OUT S7.5V DMUTE D.GND P-ON1 P-ON2 RadioFans

10、.CN 收音机爱 好者资料库 3 KDC-MP202/MP333 KDC-MP333RC/MP433 COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-409x-xx) Ref. No.Application / FunctionOperation / Condition IC1System -COMSystem control IC3Power Supply ICDC5V x 1, 7.9V x 1, 8.1V x 2, 10.2V x 1, P-CON, P-ANT output IC8Reset IC“L”: detection voltage belo

11、w 3.6V IC10E-VOL & TunerE-VOL, Tuner, Stereo decoder IC11E2PROMSave & Load for tuner adjust data IC14Power ICSignal amplifier Q114V SWON when the base goes “Hi” Q2SERVO+B AVROutput voltage 7.5V Q3Control SW for SERVO+BON when the base goes “Hi” Q4Control SW for IC3ON when the base goes “Hi”: Output

12、voltage 10.3V. Q5FL+B SWON when the base goes “Hi” Q6FL+B AVROutput voltage 11V Q7Control SW for FL+BON when the base goes “Hi” Q8FM+B AVROutput voltage 8.0V Q9Control SW for FM+BON when the base goes “Hi” Q51SERGE Det.ON when the base goes “Hi” Q101ACC Det.ON when the base goes “Hi” during ACC is a

13、pplied Q103BU Det.ON when the base goes “Hi” during BU is applied Q104,105MUTE ControlON when the base goes “Hi” Q301DSI ILLUMI SWON when the base goes “Hi” Q401Panel 5V SWON when the base goes “Lo” Q501AM RF AmplifierAdjusts for gain Q502FM RF AmplifierRF amplifier Q701Mute driver for PRE OUTON whe

14、n the base goes “Lo” Q702Mute SW for Lch PRE OUTPre-output is muted when the base goes “Hi” Q703Mute SW for Rch PRE OUTPre-output is muted when the base goes “Hi” Q901DC OFFSET DetON when the base goes “Q902 and Q903s output separate” Q902,903DC OFFSET Det SWON when the base goes “IC14s SP-OUT (DC)

15、separate” SWITCH UNIT (X16-350 x-xx) Ref. No.Application / FunctionOperation / Condition IC1VFD DRIVER IC3REMOTE SENSOR Q21PAN SW5V“ON” when the base goes “H” RadioFans.CN 收音机爱 好者资料库 4 KDC-MP202/MP333 KDC-MP333RC/MP433 CD PLAYER UNIT (X32-5860-00) Ref. No.Application / FunctionOperation / Condition

16、IC1A3.3V regulatorPower supply for audio 3.3V IC2Ope amp for low-pass filter IC34ch BTL driverDriving spindle motor and loading/ejection operation IC4Mechanism -com IC5BU 3.3V regulatorPower supply for backup 3.3V IC6D3.3V regulatorDigital 3.3V power supply IC7Audio DAC built-in servo DSPMP3, WMA, a

17、nd AAC compatible IC11Buffer ICLevel shift Q1A3.3V discharge circuit Q4Current ampAdjusts current to be sent to laser Q5,6SW 5V Q7,8SW 8V D1For current amp COMPONENTS DESCRIPTION MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM -com: IC1 (X34-: ELECTRIC UNIT) Pin No.Pin NameI/OApplication Truth Value Proc

18、essing / Operation / Description Table 1PS2 2OPower IC control 2-2qRefer to the truth value table 2PS2 1OPower IC control 2-1qRefer to the truth value table 3PS1 1OPower IC control 1-1qRefer to the truth value table 4PS1 2OPower IC control 1-2qRefer to the truth value table 5PS1 3OPower IC control 1

19、-3qRefer to the truth value table 6REMOIRemote control signal inputDetect pulse width 7NC-Not usedFix to output L 8BYTEIMemory extension bus width settingConnect to VSS 9CNVSS-Connect to VSS. H: Can be changed (Only for FLASH) 10XCIN-32.768kHz 11XCOUT-32.768kHz 12RESET-L: RESET 13XOUT-10.0MHz 14VSS-

20、 15XIN-10.0MHz 16VCC1- 17NMIIConnect to VCC (pull up) 5 KDC-MP202/MP333 KDC-MP333RC/MP433 Pin No.Pin NameI/OApplication Truth Value Processing / Operation / Description Table 18CN DETIPanel communication detectionH: Without PANEL, L: With PANEL 19NC-Not usedFix to output L 20KEY REQICommunication re

21、quest form VFD driverConnect to INT 21PON FLOKey illumi power supply controlON: H, OFF: L 22DSII/ODSI controlOFF: Hi-z PANEL detached, Pulse drive ON: H 23PON PANELI/OPanel 5V control ON: L, Momentary power down, when PANEL detached, 11 minutes after ACC OFF: Hi-z 2427NC-Not usedFix to output L 28PW

22、IC BEEPOBeep output 29CD SCLI/OCD mechanism I2C clock output 30CD SDAI/OCD mechanism I2C data input/output 31VFD SYS DATAOVFD data outputData output 32VFD PAN DATAIVFDINT/data inputINT/data input 33VFD CLOVFD clock output52kHz 34VFD INHOVFD data blanking output H: Cancel reset, L: RESET, L: Momentar

23、y power down, when PANEL detached, 11 minutes after ACC OFF 35AUD SDAI/OIC10 I2C data input/output 36AUD SCLI/OIC10 I2C clock input/output 37CD MUTEICD MUTE requestL: MUTE request 38CD MSTOPOCD mechanism -com stopH: Mechanism -com in operation, L: Mechanism -com stopped 39CD LOE LIM SWICD detection

24、(chucking SW)H: Loading completed, L: Disc not found 40CD LOEJI/OCD motor controlwRefer to the truth value table 41EPMIFLASH EPM inputL: Can be changed (Only for FLASH). Connect to VSS (pull down) 42CD MOTOROCD motor controlwRefer to the truth value table 43CD DISC8 SWICD disc detection (8cm) 44CD M

25、RSTOCD mechanism -com RSTH: Normal, L: Reset 45CD DISC12 SWICD disc detection (12cm) 46VFD CEOVFD control request 47CD LOS SWICD loading detection 48,49NC-Not usedFix to output L 50ROTARY CWIVOL key inputDetect pulse width 51NC-Not usedFix to output L 52ROTARY CCWIVOL key inputDetect pulse width 535

26、6NC-Not usedFix to output L 57RDS AFS LOTUN RDS MUTE output H: Normal L: FM/AM SEEK, AF search (L: When Tuner SRC Auto Zero) 58TUN ADJI For IC10 adjustment +When ADJ=H, PS1-1,2,3=Hi-z, PS2-1,2=Hi-z, E2PROM write requestTUN DATA, CLK=Hi-z, MUTE=L, E2PROM writing-in 59TUN SDITUN search stop inputH: St

27、ation found, L: Station not found MICROCOMPUTERS TERMINAL DESCRIPTION 6 KDC-MP202/MP333 KDC-MP333RC/MP433 Pin No.Pin NameI/OApplication Truth Value Processing / Operation / Description Table 60TUN FANC OUTOTUNER block (in -com) checkOnly when test mode, E2P OK: H, E2P NG: L, Normal: L 61PON FMI/OFM

28、power supply controlH: When FM is active, Hi-z: When FM is not active 62VCC2- 63NC-Not usedFix to output L 64VSS- 65MUTEI/OMUTEL: MUTE OFF, Hi-z: MUTE ON 66PWIC SVROSVR discharge circuit (Not used) When momentary power down by POWER OFF, 5 seconds : H, Thereafter: L 67PWIC STBYOPower IC stand-by con

29、trolPOWER ON: H, POWER OFF: L 68PWIC MUTEOPower IC MUTE While STANDBY source, Momentary power down: L , While TEL MUTE: L 6974NC-Not usedFix to output L 75RDS CLKIRDS decoder CLK input (RDS model only) 76TUN TYPE1IDestination setting 1eRefer to the truth value table 77TUN TYPE2IDestination setting 2

30、eRefer to the truth value table 78TYPE1IDestination changerRefer to the truth value table 79TYPE2IDestination changerRefer to the truth value table 80TYPE3IDestination changerRefer to the truth value table 81RDS NOISEIFM noise detection 82TUN SMETERIS meter input TUN RDS MUTE output H: Normal 83RDS

31、AFS L 2O (Not used in circuit, used in software) L: FM/AM SEEK, AF search (L: When Tuner SRC Auto Zero) * Same process with RDS AFS L 8486NC-Not usedFix to output L 87PWIC DC DETIDC offset detection 88LINE MUTEILine mute detection TEL MUTE: 1V or lower, NAVI MUTE: 2.5V or higher NAVI MUTE: 1V or low

32、er and 2.5V or higher (J-TYPE) 89,90NC-Not usedFix to output L 91RDS DATAIRDS decoder DATA input 92RDS QUALIRDS decoder QUAL input 93NC-Not usedFix to output L 94ACC DETIACC power supply detectionL: ACC ON, H: ACC OFF 95BU DETIMomentary power down detection L: BU found, H: BU not found, momentary po

33、wer down Activated within 4ms after detection of momentary power down 96AVSS-Connect to VSS 97REF CONOVREF controlConnect to VREF 98VREF-Connect to REF CON 99AVCC-Connect to VCC 100NC-Not usedFix to output L MICROCOMPUTERS TERMINAL DESCRIPTION 7 KDC-MP202/MP333 KDC-MP333RC/MP433 Truth Value Table q

34、: Power supply IC (IC3) control SEL1 (Pin No. 11) PS1-2PS1-3PS2-1ILLUMIP-CONP-ANT LLLOFFOFFOFF LLHONOFFOFF HLHONONOFF HHHONONON SEL2 (Pin No. 12) PS1-1PS2-2AUDIOSW5AM LLOFFOFFOFF HLONONOFF HHONONON w : CD mechanism control operation CD MOTORCD LOEJ StopLL LoadHL EjectHH BrakeHHi-z e : Destination se

35、tting ModelTYPE 1TYPE 2 KENWOOD brand model (initial value)LL OEM model (with CRSC changed)LH KENWOOD brand model (with CRSC changed)HL KENWOOD brand model (to support test-driving in EU)HH r : Destination change TYPE 3TYPE 2TYPE 1 DestinationModel (Pin 80)(Pin 79)(Pin 78) 000KKDC-MP202 001JE313S 01

36、0EKDC-3034A/3034AY/W4034A/W4034AY/W410A/W410AY 011EKDC-W434A 100KKDC-MP2032CR 101MKDC-MP333/MP333RC/MP433 110EKDC-3034G/3034GY/W4034G/W4034GY/W410G/W410GY 111J/EE212/E212S/KDC-W40GY/W434G/W434GY MECHANISM -com : IC4 (X32- : CD PLAYER UNIT) Pin No.Pin NameI/OApplication Processing Operation Remarks D

37、escription 1NC-Not usedLow-fixed 2E2P SCLI/ORom correction E2P I2C clock 35NC-Not usedLow-fixed 6VDD-5V electric potential 7GND-GND electric potential 8,9NC-Not usedLow-fixed 10,11PON1, PON2OPower ON/OFF controlH : ON, L : OFF 12LOE/LIM SWIDown-limit SW detectionL : Lim detection MICROCOMPUTERS TERM

38、INAL DESCRIPTION 8 KDC-MP202/MP333 KDC-MP333RC/MP433 Pin No.Pin NameI/OApplication Processing Operation Remarks Description Used with DXM-6680W (X32-586). 13DAC MUTEODAC MUTE controlH : MUTE ON, L : MUTE OFFWith DXM-6580W (X32-574), open and L-fixed. Used with DXM-6680W (X32-586). 14DAC RSTODAC RESE

39、TH : NORMAL, L : RESETWith DXM-6580W (X32-574), open and L-fixed. H : Emphasis ON, Used with DXM-6680W (X32-586). 15EMPHOExternal DAC Emphasis control L : Emphasis OFF With DXM-6580W (X32-574), open and L-fixed. 16,17NC-Not usedLow-fixed 18IC/Vpp-Write voltage (FLASH) L : Normal operation, H : In wr

40、iting. 19MUTE LOLch audio MUTE controlL : MUTE ON, H : MUTE OFF 20MUTE RORch audio MUTE controlL : MUTE ON, H : MUTE OFF 21TYPEIDAC switching H : DSP built-in DAC used,H : DXM-6580W (X32-574), L : DSP built-in DAC Not usedL : DXM-6680W (X32-586) 22TEST O 1OTEST MODE O 1(Not used) 23TEST O 2OTEST MOD

41、E O 2(Not used) 24TEST O 3OTEST MODE O 3(Not used) 25TEST O 4OTEST MODE O 4(Not used) 26NC-Not usedLow-fixed 27WAITIWait control signal detection 2830NC-Not usedLow-fixed 31RESETIReset detectionH : NORMAL, L : RESET 32XT1INot used 33XT2-Not used 34REGC- 35X2- 36X1I 37Vss-GND electric potential 38VDD

42、-5V electric potential 39NC-NCOutput stopped in standby3.3V driven 40WRLIMultiplex WRITE signal3.3V driven 41,42NC-Not usedLow-fixed3.3V driven 43RDOMultiplex RD signal3.3V driven 44ASTBOMultiplex ASTB signal3.3V driven 45NC-Not usedLow-fixed3.3V driven 46NC-Not usedLow-fixed3.3V driven 4754AD0AD7I/

43、OMultiplex address/data3.3V driven MICROCOMPUTERS TERMINAL DESCRIPTION 9 KDC-MP202/MP333 KDC-MP333RC/MP433 Pin No.Pin NameI/OApplication Processing Operation Remarks Description 55BVdd-BUS interface power supply 56BVss-BUS interface GND 5761AB8AB12I/OMultiplex data/address3.3V driven 6265NC-Not used

44、Low-fixed3.3V driven 66CSOChip select controlH : OFF, L : ON3.3V driven 67DSP RESETODSP reset controlH : NORMAL, L : RESET3.3V driven 6870NC-Not usedLow-fixed3.3V driven 71Avdd- 72Avss- 73AvrefIA/D port reference voltage input 74NC-Not used.Low-fixed 75RAMSELI With DRAM/No DRAM switching H : With DR

45、AM, L : No DRAM for different models 76RZMI0bit MUTE detectionH : 1.7V, L : 1.7V 77LZMI0bit MUTE detectionH : 1.7V, L : 1.7V 78AACIAAC compatibility switching H : AAC non-compatible,AAC non-compatible mode has priority L : AAC compatiblefor both hardware and software. 79ASELIAudio output polarity sw

46、itching H : Reverse output, L : Non-reverse output 80E2P WRIE2PROM write switching H : E2PROM WRITE, L : NORMAL 81TEST I 0ITEST MODE I 0(Not used) 82TEST I 1ITEST MODE I 1(Not used) 83TEST I 2ITEST MODE I 2(Not used) 84TEST I 3ITEST MODE I 3(Not used) 85,86NC-Not usedLow-fixed 87MSTOPIStandby restar

47、t interruptionH : STOP release, L : STOP 88INTSVIInterruption from servo ICH : Interruption 8992NC-Not usedLow-fixed 93D-MUTEODriver MUTEH : OFF, L : ON 94SYS SDAI/OSystem -com I2C dataFlash write port (SI0) 95NC-Not usedLow-fixedFlash write port (SO0) 96SYS SCLI/OSystem -com I2C clockFlash write po

48、rt (SCK0) 9799NC-Not usedLow-fixed 100E2P SDAI/OROM correction E2P I2C data MICROCOMPUTERS TERMINAL DESCRIPTION 10 KDC-MP202/MP333 KDC-MP333RC/MP433 How to enter the test mode Press and hold the 1 and 3 keys and reset. How to clear the test mode Reset, momentary power down, Acc OFF, Power OFF, de- t

49、ach the panel. Test mode default condition 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