Kenwood-KDCCX-87-Service-Manual(2) 电路图 维修手册.pdf

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1、 2001-1 PRINTED IN JAPAN B51-7730-00 (N) 3387 CD AUTO CHANGER KDC-CX87/CPS87 SERVICE MANUAL COMPACT DISC AUTO CHANGER KDC-CX87 D.R.I.V.E. NEW ANTI VIBRATION MECHANISM DYNAMIC RESOLUTION INTENSIVE VECTOR ENHANCEMENT DISC NAME PRESET TEXT 10DISC COMPACT DIGITAL AUDIO CD-R/RW COMPACT DISC AUTO D.R.I.V.

2、E. NEW ANTI VIBRATION MECHANISM DYNAMIC RESOLUTION INTENSIVE VECTOR ENHANCEMENT DISC NAME PRESET TEXT 10DISC COMPACT DIGITAL AUDIO CD-R/RW CHANGER KDC-CPS87 Illustration is KDC-CX87. Illustration is KDC-CPS87. BRACKET x 2 (J19-4712-23) SCREW SET (N99-1645-15) : KDC-CX87, CPS87(E) SCREW SET (N99-1628

3、-15) : KDC-CPS87(M) MOUNTING HARDWARE ASSY x 2 (J21-9588-04) : KDC-CPS87(M) HOLDER ASSY (J19-5074-02) BLIND PLATE (F19-1303-04) TRAY (J99-0612-01) ADHESIVE TAPE x 2 (J69-0506-04) : KDC-CPS87(M) CORD WITH PLUG (E30-4291-05 or E30-4954-05) The MECHANISM OPERATION is the same as model KDC-C710. Please

4、refer to the service manual of model KDC-C710 (B51-7104-00). Service jigParts No. For initial position settingW05-0635-00 When transporting these models, always attach CAUTION CARD and STEPPED SCREW (for transportation) RadioFans.CN 收音机爱 好者资料库 KDC-CX87/CPS87 2 BLOCK DIAGRAM SW5V XOFF LIM SW L.P.S. E

5、J SW ARM SW 12.5MHz X2 SPINDLE/LO-EJ SLED LOE SW TR COIL FO COIL BTL EEPROM &TEXT DECODER APC SA5V Q1 S8V SYSTEM u-COM IC7 IC1 RF AMP&SARVO DSP 16.93MHz X1 P-ON Q10 Q15,16 Q20 BU. DET IC8 7 13 4 5 8 2 IC5 MG SW 8V AVR S8V COMM SW S-RAM 24 C IC10 DAC DIGITAL FILTER D.R.I.V.E. 4 L.P.F IC3 X1 4.19MHz A

6、UX SW I/F u-COM IC2 RST 6 Q7 BU. BU14V CH MUTE CH RST REQC0 CHCON DATAH0 DATAC0 REQH0 HCLK0 AUDIO OUT BU14V CH RST2 CH MUTE2 HCLK2 REQC2 DATAC2 REQH2 CHCONO2 DATAH2 6 AUDIO IN AUXto AUX CH2 H.U 5 RELAY K1,3 K2,4 RELAY DET to to 5VREG IC4 DA5V S8V 3 3 3 3 S1 IC1 Q9,10 AVR 5V +5V S4 HOT IC9 RST 7V/9V

7、5V Q21,22 M5V1 M5V2 SW5V S3 S2 S1 +5V SW5V M M &DC MOTOR DRIVER ELEVATOR M AVR SA5V Q9 &D/A CONVERTER &SCF AUDIO VREF IC2 MUTE 0bit Q6,7 MUTE Q4,5,8 SD5V FE A D B PD M5V2 AVR IC11 2 ASSY(X13) (X32) (X13)(X92) PICKUP CN101 DRIVER RESET Q101,201 ACC BATT GND DETECTION ACC (+5V) AVR u-COM IC2 IC1 CN103

8、 Q1,6 Q4,5 VDD HOLD P ONPLL 63 31 67 12-172661 29,30,60 74,77 IC1 LCD DRIVER LCD1 19-22,32,66 19-22,32,66 CN101 CN1 6-43 RL1 CN105 RADIO To CN104 ANT IN Q310 MODE 1,2 CH-CONTROL Q306, RIPPLE FILTER 307 MIX PILOT STAGE RF IC301 MODULATOR FM-St. Q304,305 LEVEL CONTROL AUDIO MUTE Q309 ALC DETECTION IC3

9、02 AMP DRIVER ALC MPX EMPHASIS IC4 AVR(+5.6V) MODE 1,2 Q308 CD-CH 13P IC101 ISOLATION AMP.L.P.F. 2nd. IC102 +V(AUDIO) +V(RF STAGE) SIGNAL (L/R) CN102 KEY MATRIX2,50-56 VDD IC2 REMOTE SENSER 3 1 RadioFans.CN 收音机爱 好者资料库 KDC-CX87/CPS87 3 IC1UPD78058GCB82TSystem MI-COM.CH1/CH2/AUX control IC2PST9137NRRe

10、set ICWhen BU 5V voltage is less than 3.7V, IC outputs Lo. Q1 DTC124EUA While CD-CH1s outputs are selected, Q1s base goes Lo, and Q3 is Relay drive turned off. Q3DTB123YK (CH1/CH2 switching)While CD-CH2s outputs are selected, Q1s base goes Hi, and Q3 is turned on. Q2DTC124EUA Relay drive While CD-CH

11、s outputs are selected, Q2s base goes Lo, and Q4 is (CH/AUX switching) turned off. Q4DTB123YK While AUX inputs are selected, Q2s base goes Hi, and Q4 is turned on. Q52SC4081CH CON2 SWWhile CH CON2 mode is selcted, a base goes Hi, and Q5 is turned on. Q62SC4081CH CON SW While CH CON or CH CON2 mode i

12、s selcted, a base goes Hi, and Q6 is turned on. While BACKUP is applied, a base goes Hi, and Q7 is turned on. Q7DTC124EUABU DETECTION SWWhen momentary power down has detected, a base goes Lo, and Q7 is turned off. Q8DTC124EUAReset SWWhen System Reset has activated, a base goes Hi, and Q8 is turned o

13、n. Q92SB1202 BU 5V AVR While BACKUP is applied, AVR outputs +5V. Q102SC4081Q9 and Q10 are inverted Darlington connection GCD PLAYER UNIT (X32-5160-00) Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility RF amplifier built in digital servo and data processor IC. Focusing, track

14、ing, sled and spindle servo processing. Detection of dropout, anti-shock, track IC1UPD63711AGCServo IC crossing and off-track conditions. Automatic adjustment (focusing, tracking, gain, offset and balance) operations. Digital signal processing (DSP, PLL, sub-codes, CD-TEXT decode, CIRC error correct

15、ion, audio data interpolaration) operations. IC2NJM4580MDVREF amp.Operational reference voltage for low pass filter IC3NJM5532MDLow pass filterDifferential amplifier IC4KIA78L05F+5V AVRAnalogue output circuit power supply for D/A converter Focusing coil, tracking coil, spindle motor and sled motor d

16、river. VO1-VO4 and VOL outputs ON/OFF function While MUTE1 goes Hi, VO1 outputs are turned on. While MUTE2 goes Hi, VO2-VO4 and VOL outputs are turned on. VIN1 amplifier function (input selection and VREF selection) IC5LA6576Motor driver1. Input selection While VIN SW terminal goes Lo, IC pin 15, 16

17、 and 17 inputs are selected. While VIN SW terminal 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. GSUB-CIRCUIT UNIT (X13-9930-00)

18、 COMPONENT DESCRIPTION Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility RadioFans.CN 收音机爱 好者资料库 KDC-CX87/CPS87 4 COMPONENTS DESCRIPTION Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility IC7UPD784214GC091Mechanism MI-COM.Mechanism and servo control B

19、R24C02F-W or CAT24WC02JI IC8or M24C02WMN6TEEPROMLPS data back-up memory or S-24C02BFJA or 24LC02BT-ISN IC9S-80830ANNPReset ICWhen BU 5V voltage is less than 3.0V, IC outputs Lo. IC10KKZ05FD.R.I.V.E. ICD.R.I.V.E. system IC IC11LC3564BT-70S RAMCD-TEXT data memory Q1MCH6101APCLaser diode auto power con

20、trol Q4DTA124EK0 bit mute (L CH.)When 0 bit mute is activated, an emitter goes Hi, and Q4 outputs Hi. Q5DTA124EUA0 bit mute (R CH.)When 0 bit mute is activated, an emitter goes Hi, and Q5 outputs Hi. Q6DTC343TKMute SW (L CH.) When 0 bit mute or A mute drive is activated, a base goes Hi, and L channe

21、l audio signal is muted. Q7DTC343TKMute SW (R CH.) When 0 bit mute or A mute drive is activated, a base goes Hi, and R channel audio signal is muted. Q8DTA124EKA mute drive When audio mute of IC7 is activated, a base goes Lo, and audio mute drive signal is outputted. Q92SB1202Servo 5V AVRQ9 is combi

22、ned with IC5s pin 26 and 27 , and works as a driver of AVR. Q102SB1295P-ON 5V SW While base goes Lo, P-ON 5V is supplied to the microprocessor peripheral circuits. Q11DTC124EKReset SWWhen System Reset has activated, a base goes Hi, and Q11 is turned on. Q12DTC124EUAXTALEN SWWhile D.R.I.V.E. IC is op

23、erating, a base goes Lo, and Q12 is turned off. Q13DTC124EUACH CON SW While CH CON or CH-CON2 mode is selected, a base goes Hi, and Q13 is turned on. Q14DTA143EUACH MUTE SW When MUTE REQUEST to H/U is outputted, a base goes Lo, and Q14 is turned on. Q162SC4081SRV 8V AVRQ16 is combined with Q15 (X92-

24、), and works as a pre-driver of AVR. Q17DTA143EK SRV 8V AVR SW When Q18s base goes Hi, Q17 is turned on, and SVR 8V AVR is Q18DTC124EUAworking. Q19DTC124EUA7/9V SW When 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 outpu

25、tting +8.5V. While BACKUP is applied, a base goes Hi, and Q20 is turned on. Q20DTC124EKBU DETECTION SWWhen momentary power down has detected, a base goes Lo, and Q20 is turned off. Q212SB1202 BU 5V AVR While BACKUP is applied, AVR outputs +5V. Q222SC4081Q21 and Q22 are inverted Darlington connection

26、. Q30DTC114YUAEccentric disc SW When an eccentric disc is detected, Q30 is turned on, and a preceding beam is made to be delayed. Q31DTC124EUAVIN SW While spindle servo or disc loading/eject mode is selected, a base goes Hi, and Q31 is turned on. KDC-CX87/CPS87 5 MICROCOMPUTERS TERMINAL DESCRIPTION

27、Pin No.Pin NameI/ODescriptionProcessing Operation 1 - 3ONot used(N.C.) 4AVSS-A/D, D/A converter ground connection terminal 5ONot used(N.C.) 6REQH1OCommunication request output to CH1Lo : Communication requested 7AVREF1ID/A converter reference voltage input 8DATAC1IData input from CH1 9DATAH1OData ou

28、tput to CH1 10HCLK1I/OCommunication clock input/output with CH1 11DATAH0IData input from H/U 12DATAC0OData output to H/U 13HCLK0I/OCommunication clock input/output with H/U 14REQC0OCommunication request output to H/ULo : Communication requested 15REQH2OCommunication request output to CH2Lo : Communi

29、cation requested 16DATAC2IData input from CH2 17DATAH2OData output to CH2 18HCLK2I/Ocommunication clock input/output with CH2 19CHCON01OControl output to CH1Hi : CH1 operation mode 20CHCON02OControl output to CH2Hi : CH2 operation mode 21RELAY1ORelay1 Control outputHi : AUX inputs, Lo : Changer outp

30、uts 22RELAY2ORelay2 Control outputHi : CH2 outputs, Lo : CH1 outputs 23-32ONot used(N.C.) 33VSS-Ground connection terminalConnected to GND lines. 34-59ONot used(N.C.) 60RESETISystem resetLo : System reset 61REQC2ICommunication request input from CH2Lo : Communication requested 62BUDETIMomentary powe

31、r down detection input Hi : When momentary power down detected or BU OFF Lo : BU ON 63AUX SWIAUX SW inputHi : Auxiliary input mode 64REQH0ICommunication request input form H/ULo : Communication requested 65REQC1ICommunication request input form CH1Lo : Communication requested 66CHCON1IChanger contro

32、l mode input from H/ULo : CH1 mode 67COMMSWI5-line communication old/new switch inputHi : New communication, Lo : Old communication 68VDD-Positive power supply connection terminalConnected to BU 5V lines. 69X2-Main clock resonator connection terminal 2 70X1IMain clock resonator connection terminal 1

33、 71IC-IC Internal connection terminalConnected to GND lines. 72ONot used(N.C.) 73CHCON2IChanger control mode input from H/ULo : CH2 mode 74AVDD-A/D converter positive power supply connection terminalConnected to BU 5V lines. 75AVREF0IA/D converter reference voltage inputConnected to BU 5V lines. 76O

34、Not used(N.C.) 77AUX TYPEONot used(pull down to GND lines.) 78-80ONot used(N.C.) GIC1 (SUB-CIRCUIT UNIT: X13-9930-00) KDC-CX87/CPS87 6 MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/ODescriptionProcessing Operation 1NOR/RWOCD-DA/CD-RW SwitchingNot used(N.C.) 2TSTBOCD-TEXT parameter strobe 3P-C

35、ONOP-CON outputNot used(N.C.) 4FOKIFocus OK inputHi : Focus OK 5XTALENOServo IC oscillation stop controlHi : Oscillation stop 6RSTOServo IC reset terminalLo : Reset 7SAOOServo IC command/parameter setting terminalHi : Parameter setting, Lo : Address resister setting 8SSTBOServo IC command/parameter

36、setting strobe terminalHiLo : Serial data latch 9VDD-Positive power supply connection terminalConnected to D 5V lines. 10X2-Main clock resonator connection terminal 2 11X1IMain clock resonator connection terminal 1 12VSS-Ground connection terminalConnected to GND lines. 13XT2-Sub clock resonator con

37、nection terminal 2Not used(N.C.) 14XT1ISub clock resonator connection terminal 1Not used(connected to GND lines.) 15RESETISystem reset inputLo : System reset 16FOGUPIVibration detect inputHi : Vibration detect 17MGSWIMagazine switch inputHi : Magazine in 18EJSWIEject switch inputHi : Eject switch ON

38、 19COMMSWI5-line communication old/new switch inputHi : New communication, Lo : Old communication 20PACKIText data pack synchronous signal inputHiLo : The head of the pack data 21CH-CONIChanger control inputHi : Standby mode, Lo : Operation mode 22BUDETIMomentary power down detection input Hi : When

39、 momentary power down detected or BU OFF Lo : BU ON 23AVDD-A/D converter positive power supply connection terminalConnected to D 5V lines. 24AVREF0IA/D converter reference voltage inputConnected to PON 5V lines. 25HOTIRise in temperature detection input 26LPSILPS Mechanical deck position detection i

40、nput 27LOESWILoading complete switch inputLo : Loading complete 28LIMSWILimit switch inputLo : Pickup most inner position 29TOFFITracking OFF mode terminalNot used(pull down to GND lines.) 30ADJSELIServo automatic adjustment ON/OFF terminalNot used(pull down to GND lines.) 31TBANKITracking gain swit

41、ching mode terminalNot used(pull down to GND lines.) 32SIM2IDestination input 2Not used(pull down to GND lines.) 33AVSS-A/D, D/A converter ground connection terminalConnected to GND lines. 34LPSCOOLPS A/D converter reference power control outputNot used(N.C.) 35AMUTEOAudio mute outputLo : Audio mute

42、 ON 36AVREF1ID/A converter reference voltage inputConnected to D 5V lines. 37SDIIServo IC communication serial data input 38SDOOServo IC communication serial data output 39SCKOServo IC communication serial clock output 40DATAHIData input from H/U 41DATACOData output from the changer 42HCLKI/OCommuni

43、cation clock input/output with H/U GIC7 (CD PLAYER UNIT : X32-5160-00) KDC-CX87/CPS87 7 MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/ODescriptionProcessing Operation 43RECQCOCommunication request to H/ULo : Communication requested 44CHMUTEOAudio mute request to H/ULo : Audio mute requested 4

44、5TSIIText data input from servo IC 46TSOOText data output to servo IC 47TSCKOText data clock to servo IC 48-55A0-A7OAddress setting terminal for S RAM 56-63D0-D7I/OData input/output terminal with S RAM 64-68A8-A12OAddress setting terminal for S RAM 69-71A13-A15OChip enable setting terminal for S RAM

45、Not used(pull down to GND lines.) 72VSS-Ground connection terminalConnected to GND lines. 73A16OChip enable setting terminal for S RAMNot used(pull down to GND lines.) 74A17OChip enable setting terminal for S RAM 75RAMOKOPickup check judging terminal for productionNot used(N.C.) 76ELVADJIMechanism d

46、eck ascent/descent position terminalNot used(pull up to D 5V lines.) 77RDORead-out to S RAM control output 78WROWrite to S RAM control output 79WAITIWaiting time insertion input when accessing S RAMNot used(pull down to GND lines.) 80ASTBOChip selection to S RAMNot used(N.C.) 81VDD-Positive power su

47、pply connection terminalConnected to D 5V lines. 82PUSELIPickup type select terminalNot used(pull up to D 5V lines.) 83REQHICommunication request from H/ULo : Communication requested 84SPLO+OSpindle/Loading control terminal 85SPLO-OSpindle/Loading control terminal 86ELV+OMechanism deck ascent/descen

48、t terminal 87ELV-OMechanism deck ascent/descent terminal 88SIM1IDestination input 1 Hi : adapted for CD-TEXT Lo : not adapted for CD-TEXT 89SEARCHOSearch mode outputNot used(N.C.) 90TEST1ITest mode terminal 1 for test modeNot used(pull down to GND lines.) 91TEST2ITest mode terminal 2 for test modeNo

49、t used(pull down to GND lines.) 928/7VOMotor driver IC power voltage control outputHi : 7V, Lo : 8.5V 93EEPWRIEEPROM write mode terminal for productionNot used(pull down to GND lines.) 94TEST/VPPIFlash ROM program mode terminalNot used(connected to GND lines.) 95SRVSELIServo active mode terminal (no mechanism movement)Not used(pull down to GND lines.) 96SLNSAISled non-sensitive area ON/OFF terminalNot used(pull down to GND lines.) 97SDAI/OData input/output with EEPROM 98SCLOClock output to EEPROM 99PONOPON outputLo : AVR & LPS POWER ON 100ARMSWIArm swit