Kenwood-KDCW-5541-U-Service-Manual(2) 电路图 维修手册.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 PAN B53-0614-00 (N) 519 KDC-MP408U/MP438U/X492 KDC-MP5039U/MP5539U KDC-W5041UA/W5041UG KDC-W5141UAY/W5141UGY KDC-W5541U/W5641UY SERVICE MANUAL CD RECEIVER TDF SPARE-PANEL M

2、AIN UNIT NAMETDF PARTS No.TDF NAME KDC-MP408UY33-2920-62TDF-MP84DT KDC-MP438UY33-2920-61TDF-MP84D KDC-MP5039UY33-2920-64TDF-MP5039U KDC-MP5539UY33-2920-63TDF-MP5539U KDC-W5041UAY33-2920-66TDF-W5041UA KDC-W5041UGY33-2920-67TDF-W5041UG KDC-W5141UAYY33-2920-66TDF-W5041UA KDC-W5141UGYY33-2920-67TDF-W504

3、1UG KDC-W5541UY33-2920-65TDF-W5541U KDC-X492 KDC-MP438UKDC-MP408U KDC-MP5539UKDC-MP5039U KDC-W5041U KDC-W5641U KDC-W5141U KDC-W5541U KDC-W5641UYY33-2920-65TDF-W5541U KDC-X492Y33-2920-60TDF-84DX Mounting hardware assy (J21-9716-03) Lever (D10-7012-04) x2 * DC cord (E30-6428-05) * Screw set (N99-1757-

4、15) * Escutcheon (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-

5、4400-02) KDC-MP5039U : Panel assy (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 as

6、sy (A64-4405-02) RadioFans.CN 收音机爱 好者资料库 2 KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/ W5041UG/W5141UAY/W5141UGY/W5541U/W5641UY BLOCK DIAGRAM (X16- ) ELECTRIC UNIT (X34- ) SWITCH UNIT FRONT-END A320 LX BUS E-VOL PRE OUT PRE OUT PRE OUT IC500 IC300 IC601 UP BACK RESET ICBU5V P-CON ANT-CON ACC DET

7、 DIMMER SURGE DET BU DET Q20,21 BU 5V SW 20V Q50,51 Q40-43 ILL+B SW 14V A8V SERVO Q30,31 P.ON5V Q22,23 P. CON ANT CON DIMMER ACC BACK UP LINE SP OUT(FR) SP OUT(RL) SP OUT(FL) SP OUT(RR) REMOTE (SW) (FRONT) (REAR) WIRED TEL MUTE IC602 USB5V BU5V ILLUMI+B CN REMOTE ED1 FL+B J1 J660 S3 S1 R74,75 Q140,1

8、43 Q150,151 Q170 Q122 C160,R160,R161,D160 Q123 Q120 Q10-12 Q33 4VPRE Q100,103 AM+B Q320,321 SW 14V FDC USB 5V SW HI-SIDE SERVO IC60IC230 +B 4VPRE SW 14V Q101 Q32 SW 14V Q104 Q105 IC603 J400 J1 WH190 J1 Q367,368,401,402,411,412 DRIVER MUTE MUTE PRE POWER IC SYSTEM u-COM ENCODER ROTARY ILLUMI KEYKEY M

9、ATRIX 1/2W Rx2 FL RESET SW ROM MEMORY INSTALLER DECODER RDS CORRECTION J440 SW5V AM+B A8V A8V CD DME1 SOC IC700 D1.8V SHIFT LEVEL SERVO IC720 IC680,682 D3.3V IC480 IC600 4VPRE+B USB5V PAN SW5 USB CN J4 IC2 AUX CN J3 NOT USED E2PROM FST FM/AM AUX (FRONT) CH CD OFFSET MPX for RDS RST PRE MUTE MUTE 21

10、for SOC USB I/F (IC700) RadioFans.CN 收音机爱 好者资料库 3 KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/ W5041UG/W5141UAY/W5141UGY/W5541U/W5641UY DPU1 CD PLAYER UNIT (X32-6130-00) BOARD MOTHER (X34- ) EF A C B TR COIL FO COIL APC IC4 16.934MHz CLOCK IC3 LOADING & MOTOR DRIVER MOTOR SPINDLE S2 S1 S3 SLED MO

11、TOR DM1 DM2 X1 Q1 RF AMP SERVO MP3 DECODER WMA DECODER 1M bit SRAM PROCESSOR AAC DECODER + + + + + CR FILTER CR FILTER REVERSAL CIRCUIT Q13 BU1.5V REG IC5 IC6 IC11 SW3.3V REG SW1.5V REG LOADING & VREF 12EJE-SW LOS-SW LOE-SW MOTOR LO/EJ A.GND A8V A,B,C,E,F TR OUT FO OUT DM OUT FM OUT A3.3V LD SIGNAL

12、S.GND S7.5V FO OUT TR OUT DM OUT FM OUT DRV MUTE SO SRAMSTB SI BUCK CCE PIO0 SRAMSTB BUCK CCE PIO0 SO SI MRSTMRST C88,R82 C87,R83 R-ch L-chL-ch R-ch ZDETMUTE L/R D.GND D GND BU1.5V SW1.5V SW3.3V AGND BU5V P.ON PD BSIF LRCK BSIF ST REQ BSIF GATE BSIF BCK BSIF DATA BSIF ST REQ BSIF GATE BSIF DATA BSIF

13、 BCK BSIF LRCK 8EJE-SW BLOCK DIAGRAM ELECTRIC UNIT (X34-577x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC10A8V REF Power SupplyOutputs 1.27V. IC20D3.3V REGOutputs 1.8V. Power supply for SOC. IC60SW REGOutputs 5.0V. Power supply for D5V, FL+B and USB5V. IC100OP-AMPRefere

14、nce supply for 4V pre-out. IC230Hi-side SWOvercurrent protection of USB power supply. When pin4 goes Hi, USB5V is ON. IC300RDS DecoderDecodes RDS signal. IC480E-VOLControls the source, volume and tone. IC500Power IC Amplifi es the front L/R and the rear L/R to 50W maximum. IC600System -COMControls F

15、M/AM tuner, the changer, CD mechanism, USB, panel, volume and tone. IC601Reset ICLo when detection voltage goes below 3.6V. IC603Muting Logic ICControls logic for muting. COMPONENTS DESCRIPTION RadioFans.CN 收音机爱 好者资料库 4 KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/ W5041UG/W5141UAY/W5141UGY/W5541U

16、/W5641UY Ref. No.Application / FunctionOperation / Condition / Compatibility IC680,682Level ShiftConverts 3.3V to 5V. IC700SOC (System On Chip) Decodes MP3 or other fi les of audio/decompression standards by software based architecture. IC750iPod Authentication CoprocessorFor iPod authentication. Q1

17、012A8V AVRWhen Q12s base goes Hi, A8V AVR outputs 8.0V. Q20,21BU5V AVRWhile BU is applied, BU5V AVR outputs +5V. Q22,23P.ON5VWhen Q23s base goes Hi, SW5V outputs +5V. Q30,31Servo+B AVRWhen Q31s base goes Hi, Servo+B AVR outputs 7.5V. Q32,33,104,105SW14VWhen Q33s (or Q105s) base goes Hi,SW14V outputs

18、 14V. Q4043ILL+B AVRWhen Q43s base goes Hi, ILL+B outputs 10.5V. Q50,51Serge Protect for IC1Output 20V when BU is over 20V. Q100,1034VPRE+B ProtectWhen 4VPRE+B is overcurrent, Q100 and Q103 turn Q101 off. Q1014VPRE+B AVRWhen Q100s base is 8V, 4VPRE+B outputs 7.4V. Q120BU DETWhen the base goes Hi, Q1

19、20 is turned on. Q122ACC DETWhen the base goes Hi, Q122 is turned on. Q123Serge DETWhen the base goes Hi, BU DET is turned off. Q140,143P-CON SWWhen Q143s base goes Hi, AVR outputs 14V. Q141,142P-CON Protection When P.CON output voltage decrease is detected, output protection is made. When P.CON SW

20、is ON, malfunction of Q140 is protected. Q150,151P-ANT SWWhen Q151s base goes Hi, P-ANT SW outputs 14V. Q170Small Lamp DET SWWhen the base goes Hi, Q170 is turned on. Q320,321AM+BWhen Q321s base goes Hi, AM+B is output. Q367,368,401, Q402,411,412 Pre-out Mute SWWhen a base goes Hi, pre-out is muted.

21、 Q500 Electric Discharge Circuit for C508 (SVR) When the base goes Lo, Q500 is turned on. SWITCH UNIT (X16-622x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC2Remote Control Sensor Q5,21PAN5V SWWhen Q5s base goes Hi, PAN5V outputs 5V. Q20VFD RestartIn condition of the bas

22、e is Hi, key-scan starts at the same time as POWER ON. Q2224Grid DriverWhen each transistors base is Lo, grid is ON. CD PLAYER UNIT (X32-6130-00) Ref. No.Application / FunctionOperation / Condition / Compatibility IC34ch BTL Driver Driver for focusing & tracking coil, driver for sled & spindle motor

23、, and operation for disc loading & ejection. IC4Servo DSP with built-in Audio DACWith built-in MP3/WMA/AAC decoder and 1M-bit-SRAM. IC5D1.5V REG.Power supply for digital 1.5V. IC6D3.3V REG.Power supply for digital 3.3V. IC11BU1.5V REG.Power supply for back-up 1.5V. Q1APC (Auto Power Control)Drives L

24、D (Laser Diode). Q13InverterInverts ZDET signal. D2Laser Diode ProtectionPrevents reverse bias which is applied to laser. Laser destruction prevention. D3,4Static Electricity CountermeasurePrevents malfunction by static electricity. COMPONENTS DESCRIPTION 5 KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W50

25、41UA/ W5041UG/W5141UAY/W5141UGY/W5541U/W5641UY MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM -COM: IC600 on X34- (ELECTRIC UNIT) Pin No.Pin NameI/OApplication Truth Value Table Processing / Operation / Description 1REMOI External display remote control input Panel remote control input 2LX REQ MOCommuni

26、cation request to slave unit 3-5NC-Not used Output L fi xed 6BYTE- 7CNVSS- 8XCIN-Sub clock32.768kHz 9XCOUT-Sub clock32.768kHz 10RESET- 11XOUT-Main clock12.00MHz 12VSS- 13XIN-Main clock12.00MHz 14VCC1- 15NMI- 16LX REQ SICommunication request from slave unit 17RDS CLKIRDS decoder clock input 18PANEL D

27、ETIDetection of panel connector detached/attachedH: Panel detached, L: Panel attached 19PON AMI/OAM power supply controlAM reception: H, No AM reception: Hi-Z 20TUN IFC OUTIFront-end IFC-OUT inputH: Station found, L: No station 21RDS AFS MI/ONoise detection time constant SW 22RDS QUALI/ORDS decoder

28、QUAL input 23RDS DATAIRDS decoder data input 24USB SYNCOClock output for SW-REG 25,26NC-Not used Output L fi xed 27TUN SCLI/OFront-end I2C clock input/outputMAX 400kHz 28TUN SDAI/OFront-end I2C data input/output 29VFD DATAI/OVFD data input/output 30VFD INTIVFD INT input 31VFD CLKOVFD clock output125

29、kHz 32ROTARY CCWIVOL key detection Detects Pulse 15-pulse/360, 2-click/1-pulse 33S SYS DATAOBolero serial output 34S SOC DATAIBolero serial input 35S SOC SCLIBolero serial clock input 36-38NC-Not used Output L fi xed 39ROMCOR DETIE2PROM and Bolero writing requestH: Writing 39EPMIEPM input when writi

30、ng 40NC-Not used 41VFD RSTOVFD resetH: Reset cancelled, L: Reset 6 KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/ W5041UG/W5141UAY/W5141UGY/W5541U/W5641UY Pin No.Pin NameI/OApplication Truth Value Table Processing / Operation / Description 42ROTARY CWIVOL key detection Detects Pulse 15-pulse/360, 2

31、-pulse/1-click 43CD MUTEICD mute requestL: Mute request (Bolero), H: Normal condition 44VFD CEOVFD control requestH: VFD data transfer ready 45NC-Not used Output L fi xed 46PONOPower supply controlH: Power ON, L: Power OFF 47,48NC-Not used Output L fi xed 49CD LOE LIM SWICD detection (Chucking SW)H:

32、 Loading completed, L: No disc 50,51NC-Not used Output L fi xed 52CD LOEJI/OCD motor controlqRefer to the truth value table 53CD MOTOROCD motor controlqRefer to the truth value table 54CD LOS SWICD loading detection 55CD DISC12 SWI12cm CD detection 56PON PANELI/OPanel 5V power supply ON (For 11 minu

33、tes after ACC OFF): L Momentary power down or Panel detached or 11 minutes after ACC OFF: Hi-Z 57NC-Not used Output L fi xed 58SOC S RSTOSOC resetH: Normal condition, L: Reset (Bolero) 59PON ILLOKey illumination power supplyH: Power ON, L: Power OFF 60VCC2- 61SOC S STOPOSOC stopH: Normal condition,

34、L: SOC stopped (Bolero) 62VSS- 63TYPE 1IDestination setting 64TYPE 2IDestination setting 65NC-Not used Output L fi xed 66ANT CONOPower antenna controlTuner ON: H 67PCONO External amplifi er control 68,69NC-Not used Output L fi xed 70ILLUMI DETIDimmer illumination detectionL: ON, H: OFF 71NC-Not used

35、 Output L fi xed 72ACC DETIACC power supply detectionACC found: L, No ACC: H 73BU DETIDetection of momentary power downBU found: L, Momentary power down: H 74S SYS REQOCommunication request of system -com SOC 75S SOC REQICommunication request of SOC system -com 76PWIC SVROPower IC discharge circuit

36、controlH: ON, L: OFF 77PWIC MUTEOPower IC mute control 78PWIC STBYOPower IC standby control 79LINE MUTEILine mute detectionTEL mute: Below 1V, NAVI mute: Over 2.5V 80PWIC DC DETIDC offset detection 81IC2 SDAI/OI2C data input/output 82IC2 SCLI/OI2C clock input/output MICROCOMPUTERS TERMINAL DESCRIPTI

37、ON 7 KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/ W5041UG/W5141UAY/W5141UGY/W5541U/W5641UY MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/OApplication Truth Value Table Processing / Operation / Description 83,84NC-Not used Output L fi xed 85MUTE 0OE-VOL front muteL: ON, H: OFF 86MUTE 1OE-VO

38、L rear muteL: ON, H: OFF 87MUTE 2OE-VOL SW muteL: ON, H: OFF 88MUTE PRE FROPRE-OUT mute for FR Mute is L during CD play: L Momentary power down: L Only condition when DUAL ZONE or NAVI INT: H fi xed 89MUTE PRE SWOPRE-OUT mute for SWL: Mute ON, H: Mute OFF 90RDS NOISEIFM noise detection 91TUN SMETERI

39、S-meter input 92LX MUTEICommunication request from slave unitH: Mute ON, L: Mute OFF 93LX CONOStart-up request to slave unitH: Slave unit ON, L: Slave unit OFF 94AVSS- 95LX RSTOForced reset to slave unitH: Reset, L: Normal condition 96VREF- 97AVCC- 98LX DATA SIData from slave unit 99LX DATA MOData t

40、o slave unit 100LX CLKI/OLX-BUS clock Truth value table q CD motor control CD MOTOR (Pin53)CD LOEJ (Pin52) StopLL LoadHL EjectHH BrakeHHi-z 8 KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/ W5041UG/W5141UAY/W5141UGY/W5541U/W5641UY Example KeyDescription of displayDescription 5 Disc EJECT times displ

41、ay EJECNTXXXXXDisc EJECT times display. MAX 65535 (times) 5 While disc EJECT times is displayed, press and hold for 2 seconds or longer to clear disc EJECT times. A symbol “” in the key column indicates that the key should be pressed and held for 1 second or longer. How to enter the test mode Proced

42、ureNote Press 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 resonator is disconnected. Do not display “CODE_OFF”, “CODE_ON” or “CODE_NG” when Power is ON. When having started up in the

43、 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 the E2PROM. When operating in the test mode, CD mechanism error log information clear mode, and DC offset error det

44、ection 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 prohibited in the test mode. How to clear the test mode ProcedureNote Reset, momentary power down, ACC OFF, Pow

45、er OFF, Panel detached.Clearing the test mode Test mode default condition DescriptionDefault values SourceSTANDBY DisplayDisplay lights are all turned on. Volume-10dB (“30” is displayed.) LoudnessOFF CRSCOFF regardless of having/not having the switching function. AUXON System QNATURAL (FLAT) PreoutR

46、ear TEST MODE 9 KDC-MP408U/MP438U/X492/MP5039U/MP5539U/W5041UA/ W5041UG/W5141UAY/W5141UGY/W5541U/W5641UY Special displays when all lights are on in STANDBY source KeyDescription of displayDescription CommonAll lights ON. All lights ON. 1 Destination terminal condition indication TYPE2 : 1TYPE1 : 1 “

47、TYPE” indicates system -com (IC1) destination, and shows real-time condition of the destination terminal. Development ID condition indication C0747WE23 . 00Development ID Version (system -com: IC1) 2Serial No. display SNO00000000Serial No. is displayed (8 digits) 3 Power ON time display PONTIM0HXX 0

48、050 is displayed for “XX”. When less than 1 hour, displayed by increments of 10 minutes. PONTIMXXXXX0000110922 is displayed for “XXXXX”. MAX 10922 (hours) 3 When Power ON time is displayed, press and hold for 2 seconds or longer to clear Power ON time. 4 Disc operation time display CDTIM0HXX 0050 is

49、 displayed for “XX”. When less than 1 hour, displayed by increments of 10 minutes. CDTIMXXXXX0000110922 is displayed for “XXXXX”. MAX 10922 (hours) 4 While the disc operation time is displayed, press and hold for 2 seconds or longer to clear the disc operation time. (Cleared only for displayed media.) 5 Disc EJECT times display EJECNTXXXXXDisc EJECT times display. MAX 65535 (times) 5 While disc EJECT times is displayed, press and hold for 2 seconds or longer to clear disc EJECT times. 6 Panel open/close times display PNCNTXXXXXPANEL open/close times