Kenwood-KDCC-467-Service-Manual电路原理图.pdf

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1、COMPACT DISC AUTO CHANGER KDC-C667NEW ANTI VIBRATION MECHANISM DISC NAME PRESETTEXT 6DISCCOMPACTDIGITAL AUDIO CD-R/RWCOMPACT DISC AUTO CHANGER KDC-C467NEW ANTI VIBRATION MECHANISM DISC NAME PRESET6 DISCCOMPACTDIGITAL AUDIO CD-R/RWCOMPACT DISC AUTO CHANGER KDC-C467FMNEW ANTI VIBRATION MECHANISM6 DISC

2、COMPACTDIGITAL AUDIO CD-R/RW1BIT 4D/A CONVERTERCOMPACTDIGITAL AUDIOPWRTRACK DISCRDMREPIllustration isKDC-C467FM/FMA.Illustration isKDC-C667/Y.HOLDER ASSY(J19-5075-02)BLIND PLATE(F19-1303-04)TRAY(J99-0612-01)CORD WITH PLUG(E30-4291-05or E30-4954-05)BRACKET (R)(J19-5021-03)BRACKET (L)(J19-5020-03)Illu

3、stration isKDC-C467/Y.MOUNTINGHARDWAREASSY x 2(J21-9584-04): M type onlyADHESIVETAPE x 2(J69-0506-04): M type onlySCREW SET(N99-1645-15): except M typeSCREW SET(N99-1628-15): M type onlyREMOTOCONTROLLER ASSY(A70-0896-05): KDC-C467FM/FMA (E)BATTERY (SIZE:AAA)Not supplied asservice partsDISPLAY UNIT A

4、SSY(T95-0247-08): KDC-C467FM (K)(T95-0244-08): KDC-C467FM (E)(T95-0251-08): KDC-C467FMA (E)CASE(A01-2723-08): KDC-C467FM (K)(A01-2695-08): KDC-C467FM/FMA (E)HOLDER ASSY(B07-2138-08): KDC-C467FM/FMAANTENNAADAPTOR(T90-0512-05): KDC-C467FM/FMA (E)ANTENNAADAPTOR(T90-0521-05): KDC-C467FM/FMA (E)MAGICTAPE

5、 ASSY(W01-0763-08): KDC-C467FM/FMA 2001-1 PRINTED IN JAPANB51-7732-00 (N) 3394CD AUTO CHANGERKDC-C467/Y/FM/FMAKDC-C667/YSERVICE MANUALThe MECHANISM OPERATION is the same as model KDC-C660.Please refer to the service manual of model KDC-C660 (B51-7105-00).Service jig Parts No.For initial position set

6、ting W05-0635-00When transporting these models, always attach CAUTION CARD and STEPPED SCREW (for transportation).KDC-C467/Y/FM/FMA,C667/Y2BLOCK DIAGRAMSW5VLIM SWL.P.S.EJ SWARM SW12.5MHzX2SPINDLE/LO-EJSLEDLOE SWTR COILFO COILBTLEEPROM&TEXT DECODERAPCSA5VQ1S8VSYSTEM u-COMIC7IC1RF AMP&SARVO DSP16.93MH

7、zX1P-ONQ10Q15,16Q20BU. DETIC87134582IC5MG SW8V AVRS8VS-RAM24C2BU14VCH RSTAUDIOOUT55VREGIC4DA5VS8V3HOTIC9RESET7V/9V5VQ21,22M5V1M5V2SW5VS3S2S1SW5VMM&DC MOTORDRIVERELEVATORMAVRSA5VQ9&D/A CONVERTER&SCFMUTE0bitQ6,7MUTEQ4,5,8SD5VFEADBPDM5V2AVRCH-MUTECH-CON5L I/FIC11COMM SWS4toHEADUNITASSY (X13)(X32)(X13)(

8、X92)PICKUPCN101DRIVERRESETQ101,201ACCBATTGNDDETECTIONACC(+5V)AVRu-COMIC2IC1CN103 Q1,6Q4,5VDDHOLDP ON PLL63316712-17 26 6129,30,6074,77IC1LCD DRIVERLCD119-22,32,6619-22,32,66CN16-43RL1CN105RADIOToCN104ANT INQ310MODE 1,2CH-CONTROLQ306,RIPPLEFILTER307MIXPILOTSTAGERFIC301MODULATORFM-St.Q304,305LEVEL CON

9、TROLAUDIO MUTEQ309ALCDETECTIONIC302AMPDRIVERALCMPXEMPHASISIC4AVR(+5.6V)MODE 1,2Q308CD-CH13PIC101ISOLATIONAMP. L.P.F.2nd.IC102+V(AUDIO)+V(RF STAGE)SIGNAL(L/R)CN102KEY MATRIX 2,50-56VDDIC2REMOTESENSER31KDC-C467/Y/FM/FMA,C667/Y3Ref.No. Component Name Application/Function Operation/Condition/Compatibili

10、tyRF amplifier built in digital servo and data processor IC. Focusing, tracking,sled and spindle servo processing. Detection of dropout, anti-shock, track IC1 UPD63711AGC Servo ICcrossing and off-track conditions.Automatic adjustment(focusing, tracking, gain, offset and balance) operations. Digital

11、signal processing(DSP, PLL, sub-codes, CD-TEXT decode, CIRC error correction, audio data interpolaration)operations.IC4 KIA78L05F +5V AVR Analogue output circuit power supply for D/A converterFocusing coil, tracking coil, spindle motor and sled motor driver.VO1-VO4 and VOL outputs ON/OFF function.Wh

12、ile MUTE1 goes “Hi“, VO1 outputs are turned on.While MUTE2 goes “Hi“, VO2-VO4 and VOL outputs are turned on.IC5 LA6576 Motor driverVIN1 amplifier function(input selection and VREF selection)1. Input selection.While VIN SW terminal goes “Lo“, IC pin 15, 16 and 17 inputs are selected.While VIN SW term

13、inal goes “Hi“, IC pin 15, 18 and 19 inputs are selected.2. VREF selection.While VIN SW terminal goes “Lo“, internal VREF(2.5V typical) is selected.While VIN SW terminal goes “Hi“, external VREF(IC pin 30 input) is selected.IC7 UPD784214GC091 Mechanism MI-COM. Mechanism and servo controlBR24C02F-W o

14、r CAT24WC02JI IC8 or M24C02WMN6T EEPROM LPS data back-up memoryor S-24C02BFJA or 24LC02BT-ISNIC9 S-80830ANNP Reset IC When BU 5V voltage is less than 3.0V, IC outputs “Lo“.IC11 LC3564BT-70 S RAM CD-TEXT data memoryQ1 MCH6101 APC Laser diode auto power controlQ4 DTA124EK 0 bit mute (L CH.) When 0 bit

15、 mute is activated, an emitter goes “Hi“, and Q4 outputs “Hi“.Q5 DTA124EUA 0 bit mute (R CH.) When 0 bit mute is activated, an emitter goes “Hi“, and Q5 outputs “Hi“.Q6 DTC343TK Mute SW (L CH.)When 0 bit mute or A mute drive is activated, a base goes “Hi“, and L channel audio signal is muted.Q7 DTC3

16、43TK Mute SW (R CH.)When 0 bit mute or A mute drive is activated, a base goes “Hi“, and R channel audio signal is muted.Q8 DTA124EK A mute driveWhen audio mute of IC7 is activated, a base goes “Lo“, and audio mute drive signal is outputted.Q9 2SB1202 Servo 5V AVR Q9 is combined with IC5s pin 26 and

17、27 , and works as a driver of AVR.Q10 2SB1295 P-ON 5V SW While base goes “Lo“, P-ON 5V is supplied to the microprocessor peripheral circuits.Q11 DTC124EK Reset SW When System Reset has activated, a base goes “Hi“, and Q11 is turned on.Q13 DTC124EUA CH CON SW While CH CON or CH-CON2 mode is selected,

18、 a base goes “Hi“, and Q13 is turned on.Q14 DTA143EUA CH MUTE SW When MUTE REQUEST to H/U is outputted, a base goes “Lo“, and Q14 is turned on.Q16 2SC4081 SRV 8V AVR Q16 is combined with Q15(X92-), and works as a pre-driver of AVR.Q17 DTA143EKSRV 8V AVR SW When Q18s base goes “Hi“, Q17 is turned on,

19、 and SVR 8V AVR is working.Q18 DTC124EUAQ19 DTC124EUA 7/9V SWWhen a base goes “Hi“, Q19 is turned on, and SVR 8V AVR is outputting +7V.When a base goes “Lo“, Q19 is turned off, and SVR 8V AVR is outputting +8.5V.Q20 DTC124EK BU DETECTION SWWhile BACKUP is applied, a base goes “Hi“, and Q20 is turned

20、 on. When momentary power down has detected, a base goes “Lo“, and Q20 is turned off.Q21 2SB1202BU 5V AVRWhile BACKUP is applied, AVR outputs +5V.Q22 2SC4081 Q21 and Q22 are inverted Darlington connection.Q30 DTC114YUA Eccentric disc SWWhen an eccentric disc is detected, Q30 is turned on, and a prec

21、eding beam is made to be delayed.Q31 DTC124EUA VIN SWWhile spindle servo or disc loading/eject mode is selected, a base goes “Hi“,and Q31 is turned on.a71CD PLAYER UNIT (X32-5090-0X)COMPONENT DESCRIPTIONKDC-C467/Y/FM/FMA,C667/Y4COMPONENT DESCRIPTIONRef.No. Component Name Application/Function Operati

22、on/Condition/CompatibilityIC1 UPC7805AHF BU 5V AVR While BACKUP is applied, AVR outputs +5V.IC2 LC72329-9274 System MI-COM. System controlIC4 NJM78L05UA 5V AVR Power supply for FM modulator and RF amplifierIC101 NJM2060M Isolation amp.IC102 NJM4565MD Low pass filterIC301 BA1405F FM ST modulatorIC302

23、 NJM4565MD1/2 VCC driver,ALC detection amp.Q1 DTC124EK ACC detection When Q4 is turned on , Q1 is turned on during ACC applied.Q2 2SA1782(T,U)POWER SW When Q3s base goes “Hi“, Q2 is turned on, and RF modulator circuit is working.Q3 DTC124EKQ4 DTC143TK Reset SWWhen RESET SW on display unit is pressed

24、, Q4,Q1 and Q6 are turned off,and IC2 is holding.Q5 DTC143TK CH RESET SWWhen RESET SW on display unit is pressed, Q5 is turned off, and SYSTEM RESET signal is outputted to CD changer.Q6 DTA124EK Hold detection SWWhen RESET SW on display unit is pressed or ACC is OFF, Q6 is turned off, and IC2 is hol

25、ding.Q8 DTC143TK Relay driverFM modulator output / Vehicles antenna input switching.When a base goes “Hi“, FM modulator output is selected.Q9 2SC4640(T,U) Ripple filter Power supply for RF amplifierQ101 2SK2158ALC control SWQ201 2SK2158Q303 2SA1162(GR) Pilot mix amp.Q304 2SK2158 Level control SW Lev

26、el1/2 : OFF, Level3/4 : ONQ305 2SK2158 Level control SW Level2/4 : OFF, Level1/3 : ONQ306 2SK508L RF oscillator bufferQ307 2SC2714(Y) RF amp.Q308 2SK2158 Mode(1/2) SW Mode1 : ON, Mode2 : OFFQ309 2SK2158 Audio mute POWER ON mode : OFF, POWER OFFmode : ONQ310 2SK2158 Mode(1/2) SW Mode1 : OFF, Mode2 :

27、ONa71RF MODULATOR UNITRef.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 LC75852W LCD driver with key-matrixIC2 PNA4602M Remote control light senserQ1 DTC144EKLED ON/OFF SW When Q1s base goes “Hi“, Q2 is turned on, and LED is turned on.Q2 DTB123YKQ3 DTA144EK Key-matrix

28、permition SW Ready on key-matrixQ4 DTC144EK When Q4s base goes “Hi“, Q5 is turned on, and 5V is supplied to remote Q5 DTA114EKIC2 ON/OFF SWcontrol sensor.a71DISPLAY UNITKDC-C467/Y/FM/FMA,C667/Y5MICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O Description Processing Operation1 NOR/RW O CD-DA/C

29、D-RW Switching Not used(N.C.)2 TSTB O CD-TEXT parameter strobe3 P-CON O P-CON output Not used(N.C.)4 FOK I Focus OK input “Hi“ : Focus OK5 XTALEN O Servo IC oscillation stop control “Hi“ : Oscillation stop6 RST O Servo IC reset terminal “Lo“ : Reset7 SAO O Servo IC command/parameter setting terminal

30、 “Hi“ : Parameter setting, “Lo“ : Address resister setting8 SSTB O Servo IC command/parameter setting strobe terminal “Hi“Lo“ : Serial data latch9 VDD - Positive power supply connection terminal Connected to D 5V lines.10 X2 - Main clock resonator connection terminal 211 X1 I Main clock resonator co

31、nnection terminal 112 VSS - Ground connection terminal Connected to GND lines.13 XT2 - Sub clock resonator connection terminal 2 Not used(N.C.)14 XT1 I Sub clock resonator connection terminal 1 Not used(connected to GND lines.)15 RESET I System reset input “Lo“ : System reset16 FOGUP I Vibration det

32、ect input “Hi“ : Vibration detect17 MGSW I Magazine switch input “Hi“ : Magazine in18 EJSW I Eject switch input “Hi“ : Eject switch ON19 COMMSW I 5-line communication old/new switch input “Hi“ : New communication, “Lo“ : Old communication20 PACK I Text data pack synchronous signal input “Hi“Lo“ : Th

33、e head of the pack data21 CH-CON I Changer control input “Hi“ : Standby mode, “Lo“ : Operation mode22 BUDET I Momentary power down detection input“Hi“ : When momentary power down detected or BU OFF“Lo“ : BU ON23 AVDD - A/D converter positive power supply connection terminal Connected to D 5V lines.2

34、4 AVREF0 I A/D converter reference voltage input Connected to PON 5V lines.25 HOT I Rise in temperature detection input26 LPS I LPS Mechanical deck position detection input27 LOESW I Loading complete switch input “Lo“ : Loading complete28 LIMSW I Limit switch input “Lo“ : Pickup most inner position2

35、9 TOFF I Tracking OFF mode terminal Not used(pull down to GND lines.)30 ADJSEL I Servo automatic adjustment ON/OFF terminal Not used(pull down to GND lines.)31 TBANK I Tracking gain switching mode terminal Not used(pull down to GND lines.)32 SIM2 I Destination input 2 Not used(pull down to GND lines

36、.)33 AVSS - A/D, D/A converter ground connection terminal Connected to GND lines.34 LPSCO O LPS A/D converter reference power control output Not used(N.C.)35 AMUTE O Audio mute output “Lo“ : Audio mute ON36 AVREF1 I D/A converter reference voltage input Connected to D 5V lines.37 SDI I Servo IC comm

37、unication serial data input38 SDO O Servo IC communication serial data output39 SCK O Servo IC communication serial clock output40 DATAH I Data input from H/Ua71IC7 (CD PLAYER UNIT : X32-5090-0X)KDC-C467/Y/FM/FMA,C667/Y6MICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O Description Processing O

38、peration41 DATAC O Data output from the changer42 HCLK I/O Communication clock input/output with H/U43 RECQC O Communication request to H/U “Lo“ : Communication requested44 CHMUTE O Audio mute request to H/U “Lo“ : Audio mute requested45 TSI I Text data input from servo IC46 TSO O Text data output t

39、o servo IC47 TSCK O Text data clock to servo IC48-55 A0-A7 O Address setting terminal for S RAM56-63 D0-D7 I/O Data input/output terminal with S RAM64-68 A8-A12 O Address setting terminal for S RAM69-71 A13-A15 O Chip enable setting terminal for S RAM Not used(pull down to GND lines.)72 VSS - Ground

40、 connection terminal Connected to GND lines.73 A16 O Chip enable setting terminal for S RAM Not used(pull down to GND lines.)74 A17 O Chip enable setting terminal for S RAM75 RAMOK O Pickup check judging terminal for production Not used(N.C.)76 ELVADJ I Mechanism deck ascent/descent position termina

41、l Not used(pull up to D 5V lines.)77 RD O Read-out to S RAM control output78 WR O Write to S RAM control output79 WAIT I Waiting time insertion input when accessing S RAM Not used(pull down to GND lines.)80 ASTB O Chip selection to S RAM Not used(N.C.)81 VDD - Positive power supply connection termin

42、al Connected to D 5V lines.82 PUSEL I Pickup type select terminal Not used(pull up to D 5V lines.)83 REQH I Communication request from H/U “Lo“ : Communication requested84 SPLO+ O Spindle/Loading control terminal85 SPLO- O Spindle/Loading control terminal 86 ELV+ O Mechanism deck ascent/descent term

43、inal 87 ELV- O Mechanism deck ascent/descent terminal88 SIM1 I Destination input 1“Hi“ : adapted for CD-TEXT“Lo“ : not adapted for CD-TEXT89 SEARCH O Search mode output Not used(N.C.)90 TEST1 I Test mode terminal 1 for test mode Not used(pull down to GND lines.)91 TEST2 I Test mode terminal 2 for te

44、st mode Not used(pull down to GND lines.)92 8/7V O Motor driver IC power voltage control output “Hi“ : 7V, “Lo“ : 8.5V93 EEPWR I EEPROM write mode terminal for production Not used(pull down to GND lines.)94 TEST/VPP I Flash ROM program mode terminal Not used(connected to GND lines.)95 SRVSEL I Servo

45、 active mode terminal (no mechanism movement) Not used(pull down to GND lines.)96 SLNSA I Sled non-sensitive area ON/OFF terminal Not used(pull down to GND lines.)97 SDA I/O Data input/output with EEPROM 98 SCL O Clock output to EEPROM 99 PON O PON output “Lo“ : AVR & LPS POWER ON 100 ARMSW I Arm sw

46、itch input “Hi“ : Arm switch ONKDC-C467/Y/FM/FMA,C667/Y7MICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O Description Processing Operation1 XIN I Main clock resonator connection terminal2 TEST2 I Test mode terminal 2 for test mode Not used(pull down to GND lines.)3, 4 PG3, PG2 I Not used(pull

47、down to GND lines.)5 PG1 I Not used(pull up to +5v lines.)6 PG0 I Not used(pull down to GND lines.)7-9 PH3-PH1 O Not used(N.C.)10 PH0 MUTE1 O Not used(N.C.)11 PF3 MUTE0 O Not used(N.C.)12 PF2 REQC I Communication request input form CH “Lo“ : Communication requested13 PF1 REQH O Communication request

48、 output to CH “Lo“ : Communication requested14 PF0 CHCON O Control output to CH “Hi“ : Operation mode, “Lo“ : Standby mode15 PE3 DATA IN I Data input from CH16 PE2 DATA OUT O Data output to CH17 PE1 SCK O Clock output to CH18 PE0 O Not used(N.C.)19 PD3 DATA OUT O Data output to LCD20 PD2 CLK O Clock

49、 output to LCD21 PD1 RST O Reset output to LCD “Lo“ : Reset22 PD0 CE O CE output to LCD23-25 PC3-PC1 Not used(N.C.)26 PC0 SEPA O Separation select output “Hi“ : Mode1, “Lo“ : Mode227, 28 PB3, PB2 O Not used(N.C.)29 PB1 GAIN1 O GAIN1 output “Hi“ : Level 1/3, “Lo“ : Level 2/430 PB0 GAIN2 O GAIN2 output “Hi“ : Level 3/4, “Lo“ : Level 1/231 VDD+5V - Positive power supply connection terminal Connected to +5V lines.32 PA3 DATA IN I Data input from LCD33-35 PA2-PA0 I Not used(connected to GND lines.)36 PI31 S28 O Not used(N.C.)37 PI21 S27 O Not used(N.C.)38 PI11 S26 O Not u