Kenwood-KD-CU-3046-Service-Manual 电路图 维修手册.pdf

《Kenwood-KD-CU-3046-Service-Manual 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Kenwood-KD-CU-3046-Service-Manual 电路图 维修手册.pdf（46页珍藏版）》请在收音机爱好者资料库上搜索。

1、This product uses Lead Free solder. This product complies with the RoHS directive for the European market. 2009-11 PRINTED IN JA PAN B53-0767-10 (N) 341SERVICE MANUAL KDC-4047UA/UG/UGY/UM KDC-414UA/414UM KDC-MP245U KDC-U3046/U346/U4046 CD RECEIVER TDF SPARE-PANEL MAIN UNIT NAMETDF PARTS No.TDF NAME

2、KDC-4047UAY33-3242-73TDF-4047UA KDC-4047UGY33-3242-74TDF-4047UG KDC-4047UGYY33-3242-76TDF-4047UGY KDC-4047UMY33-3250-23TDF-4047UM KDC-414UAY33-3242-75TDF-414UA KDC-414UMY33-3250-24TDF-414UM KDC-MP245UY33-3240-11TDF-MP02DU KDC-U3046Y33-3250-21TDF-U3046 KDC-U346 KDC-U346Y33-3250-22TDF-U346 Mounting ha

3、rdware assy (J22-0789-03) Lever (D10-7106-04) x2 * DC cord (E30-xxxx-xx) * Screw set (N99-1757-15) Escutcheon (B07-3270-01) * Carrying case (W01-1710-05) * Screw (4x16) (N84-4016-48) * Depends on the model. Refer to the parts list. KDC-4047UA/UG : Panel assy (A64-5002-12) KDC-4047UM : Panel assy (A6

4、4-5131-12) KDC-414UM : Panel assy (A64-5132-12) KDC-U3046 : Panel assy (A64-5008-12) KDC-4047UGY : Panel assy (A64-5004-12) KDC-414UA : Panel assy (A64-5003-12) KDC-MP245U : Panel assy (A64-5001-12) KDC-U346 : Panel assy (A64-5009-12) KDC-U4046 : Panel assy (A64-5016-12) KDC-4047U KDC-4047UGY KDC-U3

5、046 KDC-U4046 KDC-414UM KDC-4047UM KDC-414U KDC-MP245U KDC-U4046Y33-3253-02TDF-U4046 * DC cord (E30-xxxx-xx) * Remote controller assy (RC-405) (A70-2104-05) * Plastic cabinet assy (A02-2755-23) RadioFans.CN 收音机爱 好者资料库 2 KDC-4047UA/4047UG/4047UGY/4047UM KDC-414UA/414UM/MP245U/U3046/U346/U4046 BLOCK D

6、IAGRAM 2 5 1 BU-DET LINE MUTE ACC-DET RESET 9 5 9 BU-DET 1 2 MUTE R15 12 3 to GND 3 3 1 ROM CORRECTION (NOT USED) 1 1 111 R31 R118 1 FL+B PS1-1 / PS1-2 / PS1-3 ACC-DET / BU-DET PS2-1 PHONE REAR/SW FRONT PS1-1 / PS1-2 / PS1-3 PS2-1 / PS2-2 P-ANT P-CON SP-OUT PHONE ACC B.U. DC CN FRONT L/R REAR L/R P-

7、STBY 15 2 8 8 4 2 OEM REMOTE to SYSTEM 2 (13-SEG, 11-DIGIT) J1,IC4 2 PANEL5V 5 u-COM (IC1) E-VOL IC2 A8V SYSTEM u-COM Q703-706 PHONE ACC-DET Q101 Q103 BU-DET Q102 SW14V Q11,12 Q2,3 A8V SERVO+B D5V BU5V SW5V PANEL5V RESET IC IC8 ILLUMI+B CONNECTOR RESET REMOTE FL DISPLAY IC1 IC6 IC2 J1 ILLUMI+B S1 ED

8、1 J5 MUTE Q707 IC501 SERVO+B BU5V Q301 BU5V DME1 BU5V SW5V S3 J1 A8V ANT. IC7 SW5V E2PROMSW5V BU5V FRONT J2 PANEL DET IC1 BU5V SW5V FL+B IC4 FL+B J3 SW5V IC10 RDS DECODER TUNER ATOMIC CD MECHA (X32- ) ROTARY ENCODERDRIVER FL KEY ILLUMI Rx1 1/2W KEY MATRIX 1/2W Rx1 CD SERVO IC SUPPLY POWER DC-CN etc

9、MUTE PRE IC POWER PRE-OUT -DET SURGE DC-CN AUX BU5V USB5V BU5V USB CN J3 USB5V IC51 BU3.3V IC53 LEVEL SHIFT Bolero u-COM (SUB u-COM) 252 IC900 SW HI-SIDE iPod IC USB5V IC950 IC52 FL+B Bolero E2PROM IC951 (NOT USED) BU IC251, BU5V BU5V ELECTRIC UNIT (X34-660 x-xx) SWITCH UNIT (X16-675x-xx) DPU1 CD PL

10、AYER UNIT (X32-6250-00) BOARD MOTHER (X34- ) EF A C B TR COIL FO COIL APC IC4 16.934MHz CLOCK IC3 LOADING & MOTOR DRIVER MOTOR SPINDLE S2 S1 SLED MOTOR DM1 DM2 X1 Q1 RF AMP SERVO MP3 DECODER WMA DECODER 1M bit SRAM PROCESSOR AAC DECODER + + + + + LEVEL SHIFT RESISTOR FILTER FILTER D1.5V IC5 Q14 REG

11、BU1.5V/ OUTPUT D3.3V VREF 12EJE-SW LOS-SW LOE-SW MOTOR LO/EJ A.GND TR OUT FO OUT DM OUT FM OUT A3.3V LD SIGNAL A/B/C/E/F S.GND S7.5V FO OUT TR OUT DM OUT FM OUT DRV MUTE SO SRAM STB SI BUCK CCE PIO0 R15 SRAM STB BUCK CCE PIO0 SO SI MRSTMRST C43 C44 Rch LchLch Rch ZDETMUTE L/R D.GND D GND BU1.5V D1.5

12、V D3.3V AGND BU5V P.ON PD RadioFans.CN 收音机爱 好者资料库 3 KDC-4047UA/4047UG/4047UGY/4047UM KDC-414UA/414UM/MP245U/U3046/U346/U4046 COMPONENTS DESCRIPTION SWITCH UNIT (X16-675x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1VFD Driver IC2Remote Control Sensor ELECTRIC UNIT (X34-

13、660 x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1System -COMControls FM/AM tuner, CD mechanism, panel, volume and tone. IC2E-VOLControls the source, volume, tone. IC4Power Supply ICOutputs 5Vx2, 8.3V, 10.2V, P-CON, P-ANT. IC6Power IC Amplifi es the front L/R and the r

14、ear L/R to 50W maximum. IC7RDS ICRDS decoder. IC8Reset ICLo when detection voltage goes below 3.6V. IC10E2PROMTuner setting memory. (Not used) IC51USB+5VPower supply for D+5.1V. (to USB and panel) IC52Hi-side SWDetects USB over current. IC53D+3.3V AVR ICPower supply for D+3.3V. IC251Level Shift (3.3

15、V 5V)Logic IC. IC252Level Shift (5V 3.3V)Logic IC. IC501Tuner IC (ATomIC)Tuner IC. IC900Bolero -COMUSB/CD mechanism control. IC951Bolero E2PROM(Not used) Q2,3Servo+B AVRWhen Q3s base goes Hi, AVR outputs 7.5V. Q11,12CONT SW for Servo+BON when the base goes Hi. Q13CONT SW for IC4ON when the base goes

16、 Hi. Q14CONT SW for IC4ON when the base goes Lo. Q53FREQ CONT SW for IC51 When the base goes Lo, switching frequency becomes 1.3MHz. When the base goes Hi, switching frequency becomes 1.8MHz. Q101ACC DETON when the base goes Hi during ACC is applied. Q102Surge DETWhen the base goes Hi, surge voltage

17、 is detected. Q103BU DETON when the base goes Hi during BU is applied. Q104,105Mute CONTON when the base goes Hi. Q301Panel 5V SWON when the base goes Lo. Q705,706Pre-out Mute SWWhen a base goes Hi, pre-out is muted. Q707Mute Driver for Pre-outON when the base goes Lo. Q902,9033.3V AVR for IC900When

18、 base of Q902 is Hi, 3.3V is ON. Q905CD “LOE LIM SW” BufferWhen base of Q905 is Hi, loadingnd end completes. RadioFans.CN 收音机爱 好者资料库 4 KDC-4047UA/4047UG/4047UGY/4047UM KDC-414UA/414UM/MP245U/U3046/U346/U4046 CD PLAYER UNIT (X32-6250-00) Ref. No.Application / FunctionOperation / Condition / Compatibi

19、lity IC34ch BTL Driver Driver for focusing & tracking coil, driver for sled & spindle motor, and operation for disc loading & ejection. IC4Servo DSP with built-in Audio DACWith built-in MP3/WMA/ACC decoder and 1M-bit-SRAM. IC5BU1.5V/D3.3V REG. Power supply for BU1.5V. Power supply for digital/analog

20、ue/audio 3.3V. Q1APC (Auto Power Control)Drives LD (Laser Diode). Q14D1.5V Output Switches ON/OFF at one end of BU1.5V line which is separated into 2 directions. Uses output voltage as D1.5V. D2Laser Diode Protection Prevents reverse bias which is applied to laser. Laser destruction prevention. D3,4

21、Static Electricity CountermeasurePrevents malfunction by static electricity. COMPONENTS DESCRIPTION MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM -COM : IC1 on X34- (ELECTRIC UNIT) Pin No.Pin NameI/OApplication Truth Value Table Processing / Operation / Description 15NC-Not used Output L fi xed 6REMOIR

22、emote control signal inputDetects pulse width 7NC-Not used Output L fi xed 8BYTEIMemory extension bus width settingConnects to VSS 9CNVSS-Connects to VSS 10XCIN-32.768kHz 11XCOUT-32.768kHz 12RESET-L: Reset 13XOUT-16.0MHz 14VSS- 15XIN-16.0MHz 16VCC1- 17NC-Not used Output L fi xed 18PANEL DETIPanel co

23、mmunication detectionH: No panel, L: Panel detached 1924NC-Not used Output L fi xed 25PON FLOKey illumination power supply controlON: H, OFF: L 26PON PANELI/OPanel 5V control ON: L, 11 minutes after momentary power-down or panel detached or ACC OFF: Hi-Z 27NC-Not used Output L fi xed 28BEEPOBeep out

24、put2kHz / 1kHz 29TUN SCLI/OTuner I2C clock output 30TUN SDAI/OTuner I2C data input/output 5 KDC-4047UA/4047UG/4047UGY/4047UM KDC-414UA/414UM/MP245U/U3046/U346/U4046 Pin No.Pin NameI/OApplication Truth Value Table Processing / Operation / Description 31VFD SYS DATAOVFD data output VFD data output. VF

25、D_BLK (Pin34) is made Hi and the communication begins after 500ms. 32VFD PAN DATAIVFD data input 33VFD CLKOVFD clock output125kHz 34VFD BLKOVFD driver reset output H: Reset cancelled, L: Reset, 11 minutes after momentary power-down or panel detached or ACC OFF: L 35S SYS DATAOBolero serial output 36

26、S SOC DATAIBolero serial input 37S SOC CLKIBolero serial clock input 38CD LOS SWICD loading detection 39CD LOE LIM SWICD detection (Chucking SW)H: Loading completed, L: No disc 40CD LOEJI/OCD motor controlqRefer to the truth value table 41ROMCOR DETIE2PROM writing requestH: Writing 41EPMIFlash ROM E

27、PM input L: Rewritable (Only when fl ash ROM is used). Connects to VSS. 42CD MOTORI/OCD motor controlqRefer to the truth value table 43NC-Not used Output L fi xed 44CD DISC12 SWI12cm disc detection 45NC-Not used Output L fi xed 46VFD CEOVFD control requestH: Possible to transfer VFD data 47AUD SDAI/

28、OE-VOL data input/output 48AUD SCLI/OE-VOL clock output 49ROTARY CCWIVOL encoder inputDetects pulse width 50ROTARY CWIVOL encoder inputDetects pulse width 51RDS DATAI/ORDS decoder data input 52RDS QUALI RDS decoder qualifi cation input 53SOC MUTEICD mute requestH: Normal, L: Mute request 54S SOC REQ

29、ICommunication request from SOC to system -com 55SOC RSTOSOC resetH: Normal, L: Reset 56SOC S STOPOSOC stopH: Normal, L: SOC stopped 57S SYS REQO Communication request from system -com to system -com to SOC 5861NC-Not used Output L fi xed 62VCC2- 63NC-Not used Output L fi xed 64VSS- 6573NC-Not used

30、Output L fi xed 74RDS CLKI/ORDS decoder clock input 75NC-Not used Output L fi xed 76PWIC STBYOPower IC standby controlPOWER ON: H, POWER OFF: L MICROCOMPUTERS TERMINAL DESCRIPTION 6 KDC-4047UA/4047UG/4047UGY/4047UM KDC-414UA/414UM/MP245U/U3046/U346/U4046 Pin No.Pin NameI/OApplication Truth Value Tab

31、le Processing / Operation / Description 77PWIC MUTEOPower IC mute STANDBY source or momentary power-down: L, TEL mute: L 78MUTEI/OMuteL: Mute OFF, Hi-Z: Mute ON 79BU DETIMomentary power-down detection BU found: L,No BU or momentary power-down: H (Operates within 4ms after momentary power-down is det

32、ected) 80ACC DETIACC power supply detectionACC found: L, No ACC: H 81TYPE1IDestination SWRefer to the truth value table 82TYPE2IDestination SWRefer to the truth value table 83NC-Not used Output L fi xed 84PWIC DC ERRIDetection of power IC short-circuited +B/GND 85LINE MUTEILine mute setectionTEL mut

33、e: Below 1V, NAVI mute: Over 2.5V 86TUN SMETERIS-meter input 87PON SWREGOSW-REG ON/OFFH: ON, L: OFF 88AUD DC ERRIDC offset setection If DC offset is detected 20 times in 100ms with condition below 1.0V, it will be judged as DC offset is detected. 89FSELOSW-REG frequency SWH: 1.3MHz, L: 1.8MHz 90,91N

34、C-Not used Output L fi xed 92PS2 1OPower supply IC controlwRefer to the truth value table 93PS1 1OPower supply IC controlwRefer to the truth value table 94PS1 2OPower supply IC controlwRefer to the truth value table 95PS1 3OPower supply IC controlwRefer to the truth value table 96AVSS- 97NC-Not used

35、 Output L fi xed 98VREF- 99AVCC- 100NC-Not used Output L fi xed Truth value table q CD motor control CD MOTOR (Pin 42)CD LOEJ (Pin 40) StopLL LoadHL EjectHH BrakeHHi-z w Power supply IC (IC4) control SEL1 (Pin 10) PS1-2PS1-3PS2-1ILLUMIP-CONP-ANT LLLOFFOFFOFF LLHONOFFOFF HLHONONOFF HHHONONON SEL2 (Pi

36、n 11) PS1-1PS2-2AUDIO/SW5AM LLOFFOFF HLONOFF HHONON MICROCOMPUTERS TERMINAL DESCRIPTION 7 KDC-4047UA/4047UG/4047UGY/4047UM KDC-414UA/414UM/MP245U/U3046/U346/U4046 Bolero -COM : IC900 on X34- (ELECTRIC UNIT) Pin No.Pin NameI/OApplicationProcessing / Operation / Description 1MRST-ResetL: Reset, H: Nor

37、mal 2MSTOPIStop signal from system -comH: Normal, L: SOC stop 3REQ SIRequest signal from system -comL: Request 4NC-Not used 5BSIF ST REQIBSIF 6VCC-Power supply 7XT1-Low frequency oscillatorSub clock 32.768kHz 8XT2-Low frequency oscillatorSub clock 32.768kHz 9PWE-External power supply outputL: Stop 1

38、0DVSS-GND 11DVCC1B-For SRAM with built-in power supply 12RVOUT1-Built-in REG1.5V output 13,14RVIN-Built-in REG power supply input 15RVOUT2-Built-in REG1.5V output 16DVCC1A-For logic with built-in power supply 17DVSS-GND 1822NC-Not used Output L fi xed 23CD CCEOCD mechanism chip enableCommand I/F 24C

39、D RSTOCD mechanism resetH: Normal, L: Reset 25NC-Not used Output L fi xed 26DVSS-GND 27DVCC3A-For I/O around power supply 28CD REQICommunication request from mechanism DSPH: Data request 29CD SRAM STBYODecoder SRAM standby controlL: SRAM standby 30CD DRIVE MUTEOCD motor driver mute output 31CD PONOC

40、D mechanism power supply control outputH: Power supply ON, Hi-z: Power supply OFF 3243NC-Not used Output L fi xed 44DVSS-GND 45DVCC3A-For I/O around power supply 4654NC-Not used Output L fi xed 55NC (IPOD CHECK)- For iPod authentication IC mounting confi rmationOutputs Hi when iPod communication is

41、detected 5661NC-Not used Output L fi xed 62DVSS-GND 63DVCC3A-For I/O around power supply 64NC-Not used Output L fi xed 65ZDET INIZDET (0-bit mute request)L: Normal, H: Mute request 66CD MUTEOMute request to system -comL: Mute request, H: Normal 67REQ MORequest signal to system -comL: Request 68IPOD

42、RSTOReset 69BOOTI For fl ash ROM writing MICROCOMPUTERS TERMINAL DESCRIPTION 8 KDC-4047UA/4047UG/4047UGY/4047UM KDC-414UA/414UM/MP245U/U3046/U346/U4046 Pin No.Pin NameI/OApplicationProcessing / Operation / Description 70NC-Not used Output L fi xed 71BSIF LRCK-BSIF 72AM1-Fixes operation mode to “1” 7

43、3X2-High frequency oscillatorMain clock 9.00MHz 74DVSS-GND 75X1-High frequency oscillatorMain clock 9.00MHz 76DVCC3A-For I/O around power supply 77USB OCIUSB over-current detectionL: Detected, H: Normal 78USB PONOUSB-PON output 79USB D+-USB data connection 80USB D-USB data connection 81AM0-Fixes ope

44、ration mode to “1” 82CD LOE LIM SWICD detection (Chucking SW)L: Loading completed, H: No disc 83DVSS-GND 84DATA MOSerial I/F to system -com (Transmission) 85DATA SISerial I/F from system -com (Reception) 86CLKOSerial I/F to system -com (Clock output)f=1MHz 87CD SOOSerial I/F (Transmission)Command I/

45、F 88CD SIISerial I/F (Reception)Command I/F 89CD CLKOSerial I/F (Clock output)f: Below 1MHz 90IPOD SDAI/OI2C-iPod authentication data input/output 91IPOD SCLKI/OI2C-iPod authentication clock outputf=80kHz 92BSIF BCK-BSIF 93BSIF DATA-BSIF 94BSIF GATEOBSIF 95DVCC3A-For I/O around power supply 96ROM CO

46、R DETIROM correction writing detectionH: writing 9799NC-Not used 100DVSS-GND MICROCOMPUTERS TERMINAL DESCRIPTION 9 KDC-4047UA/4047UG/4047UGY/4047UM KDC-414UA/414UM/MP245U/U3046/U346/U4046 TEST MODE Example KeyDescription of displayDescription : A symbol “” in the key column indicates that the key sh

47、ould be pressed and held. KeyDescription of displayDescription 5 Disc Eject times display EJCNTXXXXXDisc 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. SEARCH SRC BAND RETURN DISP EJECT How to enter the

48、 Test mode ProcedureNote Press and hold the 1 key and 3 key and reset. All lamps blinks when it is detected that the sub-clock resonator is disconnected. When having started up in the Test mode, change the LINE MUTE inhibition time from 10 seconds to 1 second. In the Test mode, do not write the dete

49、ction information in the Data Flash ROM even if a DC Offset Error is detected. Do not operate the DEMO mode in the Test mode, CD Mechanism Error Log Information Clear Mode, or DC Offset Error Detection Information Clear Mode. Also, when the source is STANDBY in the above mode, do not display DEMO ON/OFF switching items in the FUNCTION. In the Test mode, the forced disc ejection operation is prohibited. How to clear the Test mode Procedure Reset, Momentary power down, ACC OFF, Power OFF, Panel detached. 10 KDC-4047UA/4047UG/4047UGY/40