Kenwood-KDCD-301-Service-Manual电路原理图.pdf

© 2001-3 PRINTED IN JAPANB51-7765-00(S) 3165SERVICE MANUALCD PLAYERKDC-D301DIGITAL OPTMUMSERVO CONTROLINTEGRATED QUAD1BIT D/AKDC-D301DPACCD PLAYER 11BANDSPECTRUM ANALYZER60 120 250 380 500 750 1k 2k 4k 8k 16kDISPMENUCONVERTERESCUTCHEON(B07-2188-02)PANEL ASSY(A64-2366-02)FRONT GLASS(B10-4055-02)KNOB(K24-1923-14)PLASTIC CABINET ASSY(A02-1486-13)MOUNTING HARDWARE ASSY(J21-9491-13)SCREW SET(N99-1656-05): K TYPE ONLYSCREW SET(N99-1632-05): K TYPE ONLYSTAY(J54-0606-04): K TYPE ONLYLEVER x 2(D10-3031-04)DC CORD(E30-4730-05)CUSHION(G11-1860-05)BLOCK DIAGRAMKDC-D3012CONTENTSBLOCK DIAGRAM . 2COMPONENT DESCRIPTION . 3MICROCOMPUTERS DESCRIPTION . 5PC BOARD . 7SCHEMATIC DIAGRAM . 13EXPLODED VIEW . 19PARTS LIST. 21SPECIFICATIONS . Back coverP ONVDDAVDDBPF SELBPF ABPF BBPF CB.U.DETA MUTEBEEPSW 5VBU +5VAUDIO +BILL +BB.U.DETAUDIO MUTEBU5VSERVO+BAUD +BL CHILL +BB.U.L CH R CH R CH24.19MHzCLOCKBUZZB.P.F.4AMPAGCVREFISO AMPSP INPUT413PIN22PIN 16PINSYSTEMMI-COMCH CORDQ9Q1,2Q19Q3,4Q14,15,20Q7,8Q5,6X1Q13(2/2)IC5IC6IC7BPF IN(1/2)IC64PINSERVO +Bto H.U.IC1SW 14VQ17CD MECHANISMMUTE RSTOPSW2LO/EJMUTE LRSTSW3SW1SDASCLMO SWLCD DRIVERIC1Q1ED1LCDDIMMER SWLCD AVRPAN 5V(X13- )LDATALL CEL CLK(X92- )L INHCN4CN5(X89- )CN1J1J1ILL +BDISP EJECTPAN 5VPAN 5V2PAN 5V SWQ10P KEY EJECTPANELCH CONRESET SWQ16IC2RESETJ1CN1CN3CN2CH RSTDATAHDATACCH CLKREQ H REQ CCH CONCH MUTE(X25- )KDC-D3013COMPONENT DESCRIPTIONl SWITCH UNIT(X16-110X-XX)Ref.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 LC75823W LCD driverQ1 2SC4081 Dimmer SWWhen Q1's base goes “Hi“, Dimmer LEDs are turnedon.l ELECTRIC UNIT(X25-8902-71)Ref.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 UPD780058GC255 System MI-COM.IC2 S-80830ANNP Reset ICWhen BU 5V voltage is less than 3.0V, IC outputs“Lo“.IC5 NJM4565M-TE2 Isolation amp.IC6 NJM4565M-TE2 1/2 VCC & A.G.C.amp.IC7 BA3834F BPF ICQ1 2SC4081BU 5V AVRWhile BACKUP is applied, AVR outputs +5V.Q2 2SA1870 or 2SB1450 Q1 and Q2 are inverted Darlington connection.Q3 2SC4081Audio +B AVR While Q3's base goes “Hi“, AVR outputs +8.0V.Q4 2SB1202Q5 2SC4081Illumination +B AVR While Q5's base goes “Hi“, AVR outputs +10.5V.Q6 2SB1202Q7 2SC4081Servo +B AVR While Q7's base goes “Hi“, AVR outputs +8.0V.Q8 2SB1202Q9 2SC4081 BU detection SWWhile BACKUP is applied, a base goes “Hi“, and Q12is turned on.When momentary power down has detected, a basegoes “Lo“, and Q12 is turned off.Q10 2SA1037K Panel 5V SWWhen a base goes “Lo“ during panel closed, Q10 isturned on.Q11 2SC4081 Guide or Eject illumination SWWhen a base goes “Hi“, Guide or Eject illuminationLED is lighting-up.Q12 DTA143EUA Changer mute SWWhen CHANGER MUTE REQUEST to H/U is worked,a base goes “Lo“ and Q12 is turned on.Q13 DTC144EUA or UN5213 Buzzer SW When a base goes “Hi“, Buzzer is turned on.Q14 DTC343TK Audio mute SW(L Ch) When a base goes “Hi“, Audio mute is activated.Q15 DTC343TK Audio mute SW(R Ch) When a base goes “Hi“, Audio mute is activated.Q16 DTC144EUA or UN5213 Changer reset SWWhen CHANGER RESET from H/U is worked, a basegoes “Hi“ and Q19 is turned on.Q17 UMC2N SW 14VAudio +8V AVR, Illumination +B AVR, Servo +B AVRon/off controlWhen a base goes “Hi“, Q17 is turned on, and EachAVR are working.Q18 DTC144EUA or UN5213 BU detection inverterQ19 UMC2N SW 5VCD MECHA. SW, BPF IC on/off controlWhen a base goes “Lo“, Q19 is turned on, and Eachcircuits are working.Q20 UMC2N Audio mute driverWhen a base goes “Hi“, Audio mute driver outputs“Hi“.Q21 2SD2114K AGC Signal level controlQ22 DTC144EUA or UN5213 Changer control SWWhen CHANGER CONTROL from H/U goes “Hi“,Q15 is turned on.Q23 2SA1037KLED +B SWWhen Q23's base goes “Hi“, BU 5V is supplied to theQ24 DTC144EUA or UN5213 Switch Unit.KDC-D3014COMPONENT DESCRIPTIONl CD PLAYER UNIT(X32-5010-00)Ref.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 AN22000AA RF amplifierGeneration of RF signal based on the signals fromthe APC circuit and pickup, and generation of servoerror(focusing error and tracking error)signals.Detection of dropout, anti-shock, track crossing andoff-track conditions, Gain control function building in.IC2 MN662774KG1CD signal processor bult-inMI-COM.IC4 BA5917AFP 4CH BTL driverFocusing coil, tracking coil, spindle motor and sledmotor driverIC6 NJM4565MD OP Amp. Low pass filterQ1 MCH6101 APC LD power controlQ2 DTC124EUA P ON SWWhen CD source is selected, Q2's base goes “Hi“,Q3 and Q4 are turned on.Q3 DTA143XUA A.8V SWA8V ON/OFF control. When a base goes “Lo“, Q3 isturnde on.Q4 2SA1362(Y) D.5V SWD5V ON/OFF control. When a base goes “Lo“, Q4 isturnde on.Q5 DTC124EUA MOTOR SWWhen CD loading or eject operation is activating, Q5'sbase goes “Hi“, Q4 is turned on.KDC-D3015MICROCOMPUTER'S DESCRIPTIONIC1 (ELECTRIC UNIT: X25-8902-71)l Terminal DescriptionPin No. Pin Name I/O Description Processing Operation1 EJECT I Eject key input “Lo“: Eject key pressed2 REF CON O A/D converter reference voltage control output “Hi“: Reference voltage supplying3 NC O Not used(N.C.)4 AVSS - A/D, D/A converter ground connection terminal Connected to ground lines.5 NC O Not used(N.C.)6 NC O Not used(N.C.)7 AVREF1 - D/A converter reference voltage input terminal Connected to BU 5V lines.8-10 NC O Not used(N.C.)11 DATA H I Data input from H/U12 DATA C O Data output to H/U13 CH CLK I/O Clock input/output with H/U New type: Input, Previous type: Output14 REQ C O Communication request to H/U “Lo“: Communication request15 NC O Not used(N.C.)16 P KEY I Key data input from LCD driver IC17 L DATA O Data output to LCD driver IC18 L CLK O Clock output to LCD driver IC19 NC O Not used(N.C.)20 NC O Not used(N.C.)21 MSTOP O Stop request to CD mechanism MI-COM. “Lo“: Stop mode, “Hi“: Operation mode22 L INH O INH output to LCD driver IC “Lo“: Display lighting-up, “Hi“: Display lighting -out23 L CE O CE output to LCD IC “Hi“: Data communication24 DIMMER O Dimmer output “Lo“: Dimmer mode, “Hi“: Except dimmer mode25 NC O Not used(N.C.)26 BPF SEL O BPF IC control output (SEL,A,B,C)=(“Lo“,X,X,X). GND27 BPF A O BPF IC band control output A(SEL,A,B,C)=(“Hi“,“Lo“,“Lo“,“Lo“) . GND(SEL,A,B,C)=(“Hi“,“Lo“,“Lo“,“Hi“) . 68Hz(SEL,A,B,C)=(“Hi“,“Lo“,“Hi“,“Lo“) . 170Hz28 BPF B O BPF IC band control output B(SEL,A,B,C)=(“Hi“,“Lo“,“Hi“,“Hi“) . 420Hz(SEL,A,B,C)=(“Hi“,“Hi“,“Lo“,“Lo“) . 1kHz(SEL,A,B,C)=(“Hi“,“Hi“,“Lo“,“Hi“) . 2.4kHz29 BPF C O BPF IC band control output C(SEL,A,B,C)=(“Hi“,“Hi“,“Hi“,“Lo“) . 5.9kHz(SEL,A,B,C)=(“Hi“,“Hi“,“Hi“,“Hi“) . 14.4kHz30,31 NC O Not used(N.C.)32 G ILLUMI O Disc indicator control output“Hi“: Indicator lighting-up, “Lo“: Indicator lighting-out33 VSS1 - Ground connection terminal Connected to ground lines.34 TYPE1 I Destination selection terminalJ type : Pull down to ground linesK,E type: Pull up to BU 5V lines35 NC O Not used(N.C.)36 SDA I/O Data input/output with CD mechanism MI-COM.37 SCL I/O Clock input/output with CD mechanism MI-COM.38 NC O Not used(N.C.)39 CH MUTE O Audio mute request to H/U “Lo“: Mute request40 MUTE O Audio mute control output “Hi“: Audio mute on, “Lo“: Audio mute off41 NC O Not used(N.C.)42 PON O Peripheral circuits AVR control output“Hi“: A.+8V AVR, ILL +B AVR , SERVO +B AVRand BPF IC are turned on.43 NC O Not used(N.C.)44 BEEP O Beep output45 MRST O Reset output to CD mechanism MI-COM. “Lo“: CD mechanism MI-COM. reset46 CD MUTE I Mute request input from CD mechanism MI-COM. “Lo“: Mute request47 EJ BUP I OR input (EJECT key, B UP inverter signal)48 NC O Not used(N.C.)49 MOTOR O CD mechanism loading motor control output “Hi“: CD loading/eject action or Break, “Lo“: other50 LOEJ I/O CD mechanism loading/Eject switching output “Lo“: Loading, “Hi“: Eject, “Hi-Z“: Stop or BreakKDC-D3016MICROCOMPUTER'S DESCRIPTIONPin No. Pin Name I/O Description Processing Operation51-59 NC O Not used(N.C.)60 RESET I Reset input “Lo“: System reset61 REQH I Communication request from H/U “Lo“: Communication request62 COMM SW I 5-line communication previous/new switch input “Lo“: New type, “Hi“: Previous type63 SW2 I 12cm disc detection terminal(8cm/12cm)When 12cm disc is detected, the input becomes“Lo“ temporarily. (Watched in SW1 “Lo“)64 SW1 I Loading detection (Loading start) “Lo“: Loading start65 FLIP SW I Panel tilting detection input “Hi“: Panel tilted or detached, “Lo“: Panel closed66 CHCON I Changer control input from H/U “Hi“: Standby mode, “Lo“: Operation mode67 VSS0 - Ground connection terminal Connected to ground lines.68 VDD1 - Positive power supply connection terminal Connected to BU 5V lines.69 X2 - Main clock resonator connection terminal70 X1 I Main clock resonator connection terminal71 IC(VPP) - Not used(connected to ground lines)72 XT2 - Sub clock resonator connection terminal Not used(N.C.)73 XT1 I Sub clock resonator connection terminal Not used(connected to BU 5V lines)74 VDD0 - Positive power supply connection terminal Connected to BU 5V lines.75 AVREF0 I A/D converter reference voltage input terminal Connected to REF CON terminal76 BPF IN I Level detection input from BPF IC out77 ILLUMI ON O ILL+B AVR control output “Hi“: AVR ON, “Lo“: AVR OFF78 NC O Not used(N.C.)79 SW3 I Down & limit switch detection input “Hi“: Chucking, “Lo“: Pickup most inner position80 B UP I Momentary power down detection input“Hi“ : When momentary power down detected orBU OFF“Lo“ : BU ON7 8A B C ED F G IH1234567Refer to the schematic diagram for the values of resistors and capacitors.PC BOARD (Foil Side View)CD PLAYER UNITPC BOARD (Component Side View)CD PLAYER UNIT162151CN1R5R6R7R8R9R10216115R1 R2 R3 R4S1J1X89-2280-03(J74-0720-22)162151CN1R5R7R8R9R10216115R1 R2 R3 R4R6S1J1X89-2280-03(J74-0720-22)DAUGHTER UNITDAUGHTER UNIT/MUTERD.OUTR125RWLDONFBALR233RF GNDARFIOP-IOP+FTETRTBALTEFE+-+GCTLAR234CDB1VrefER54R38R37C26C85R36R34R32R218C35C25C28C24LDCNTX1R46R76 R82R73EJECT/SLED-22FCS+LDR316VRPDFCS-VcVccFR6TRK-TRK+CP3A.+BS.+BSW3RchS.GND1SLED+LOAD+-ECS+FODR107R47BCP1ECP2BU.5VC21SPDL+SPDL-A.GNDLchTVD-+R75/MSTOP/MRSTBEC45R83R72R71C43R81BBEER77R108SW1/CLKDATAR104SW2D.GND/RSTC71R121 R1175C72C684R122R102R118R126R238C90C778C79C801C78+A.5VLO/EJ/MUTELMOTORR78C41D4CN2CN1Q4Q3Q2D2Q5IC6D3D5R214C6VDETOFTR19C15C19/RFDETC7C11C10R11R10C1216C81C89BDOTRCRSR202C2C161732R17C18IPFLAGC23R16 C14 R1525C17 R18C13TOFSC2926C33C20R21R20100151STLDFLAGFCLK50ST-OSMCK75DQSY76R5R8C5BER12R9C4W17C1C3CLVSC55C46R52R491411528IC1IC2S2Q1D1S3X32-5010-00 (J74-1158/1159-12)S1IC4C85R238C41CP1R117X1R121C72C77R125R104C78R122R118R126R102R107R108C79C80R32C68C90C71C24R36C26R34R77R37C28R38 C25R46R73C21R75CP2CP3R54C43R72R71R81R83C45R82R47R78R76R6R3R233C35R234R218GCTLTBALFBAL+LDON-+FE+RWLDCNTECS-+ FODC BD1FVccVcEJECT/SLED-DATA/CLKD.GNDD.OUTBU.5VPD11/MRSTSPDL+-+TVDMOTORRchTRK-LDVRFCS+TRK+FCS-A.+B/MUTEL/MUTERLOADSLED+A.GND/MSTOPSPDL-S.GNDS.+BSW3IOP-GNDARFVrefFELchLO/EJA.5VSW2+/RSTRFTETRSW1IOP+ATE-4852216EBEBEBBED4D5IC6Q3Q4D2CN1Q2Q5D3CN2W17C89R5C29C46 R52C23R49C33R9C20C19R20R8C1C8C12C10C11R18C3C2C17C18R17C16R15C15C14 R16C13R12R10C7C6R11C5R19R214R202C55R21C4CLVSVDETTRCRSBDO/RFDETOFT1STLDSMCKST-OFLAGTOFSFCLKDQSYIPFLAG1116321725 517576100502614 1528BEIC1IC4D1S3S2Q1IC2S1X32-5010-00 (J74-1158/1159-12).oN.feRsserddACIQ1B42C44D26D31B42D43D34C45D4CD PLAYER UNIT(X32-5010-00)CD PLAYER UNIT(X32-5010-00).oN.feRsserddACIQ1H42G44F26F31H42F43F34G45F4RQPN OMLJ K1234567ELECTRIC UNITPC BOARD (Component Side View)Refer to the schematic diagram for the values of resistors and capacitors.9 10ELECTRIC UNIT(X25-8902-71)R122R123C30C38C22R30R23R72R128R129R14C26R27R28R117C20C19R114C50R108R112C41R113C51R111R110R107C48C49R116C46R115R124R126R125R121 R120R33CP6 R11C33R10CP1R32C27 R29R26R73C15R53C18R60CP10C17C39R50R54R55CP3CP4 CP2CP5CP7 CP9R118 R119R109R127R100R101R103R104R105R102X1R56 R3R1R2R4R5R6R7R8R9C12C3R12R13R15R16R17R18R19R20R21R22R24R25R44R52R130R49VPPGNDVDDRSTINOUTCLKBZ1C2C8C16C56 C55C40C47C43 C45 C42C44C10C13C14C9C4C5C6C7C29C11C1BEBEBE12212021 4041606180B10911814 581458BE123412161531 8 1 1214BEEBEBEBEBEBBEEBEBB EB EEBBEEBB EEEBEBEEBEEE BD10Q11Q10X25-8902-72 (J74-1200-22)Q23Q24IC5IC6Q21D30D22D24D28Q22IC2Q16Q12IC7Q20D23IC1Q3Q4Q5Q1Q9Q6Q14Q15Q13D19Q19Q7Q8D11D13D14D15D16D17D20D21D31Q17D29D7Q18Q2D18S1J1CN2D6D5D1D2D3D4CN3D8CN1CN5D9P1CN4R30C10R12W6CP1R23C13C2R7R31W5R19R26R9R28R29R25C9R2R5R27R15R18C8R16C5R14C12C11R4R24C1C14R22R21 R20C6C7R6W2W4R3R32R33R34C15C16W11615211161732334849645150100176752526EBR1EBEBEBIC1Q5Q6D8Q4D7D5D6Q1IC2D9D10J161123162S7S6S9S8S4S5S3S2S1S11ANA13MENUEQ(DISP)RSTDOWNUPD2 D4 D3 D1S10LCD2X16-110X-XX (J74-1260-12)SWITCH UNIT.oN.feRsserddACIQ1M32M15P26P27O21O52P43N44M55N56N57L48L59O601K21 221N331L34 651L561L271M481L391N202N412P222N232K24 2.oN.feRsserddACIQ1R41R6SWITCH UNIT(X16-110X-XX)S T U WV X Y AAZ1234567Refer to the schematic diagram for the values of resistors and capacitors.11 12PC BOARD (Foil Side View)17R33R1ER14R5R7BC6C1C2C7R2C5CP1C9251C8R20 R21R22R23R19R16100C1076332650R32C16C15R345175BEW5W632W164C12R15R304948C14C1115R31161R29R1816R91W4R25R242R27R26EBEBR12R28C13R3R6R4W2D5Q1IC2D7Q4D8D6IC1D10D9J1Q5 Q616261123S3S112S23D2D4D3D1RSTS11LCD(DISP)MENUS5S4ANAS8UPEQ S6S9S10DOWNS7X16-110X-XX (J74-1260-12)SWITCH UNIT.oN.feRsserddACIQ1S41S6SWITCH UNIT(X16-110X-XX)C10EEB151216R5R14R128C22R72EEBBR129EBBEC38C33C3022R30R231R18ER253R24EBB1C14BC9R20R19 R21R22C138R12C8BR17R16R151R4EER912C12R6EBR7R8C5BC3R2R1C4C1C2E BB14EC20BBECP10R50OUTBZ1ER13EC7R5620CLKBINCP3CP7CP921R44R52C27R29R33BEC26R27R28R26R73C15R32R60C18CP11B80VPPR5312E43X1C29R130R3BEER49CP4CP24041BEBEER10CP5C6GNDCP6R55C1760R1161R54RSTEBVDDB EER117C1618C1110C39R127R103R104R102R101R105R100C43C45C42C44C40R107C47R123C19R114R10911R121C51R1254R108BE4C46C489R116R113R110R115R112R111C491R119 R118R12685R120C50R122C415R124C55 C568X25-8902-72 (J74-1200-22)D21Q7D14D16Q8D6CN5D28D13D19D20D17D15D22CN4D10Q24Q11D30Q23Q10D2Q15CN3Q14D11CN2D1D5Q5Q9CN1Q6J1Q1D3S1IC1Q13D18P1D31Q4D4D7Q16Q18IC2D29Q3Q17Q20Q12D8D9Q22Q19IC7Q2D24IC5D23Q21IC6ELECTRIC UNIT(X25-8902-71).oN.feRsserddACIQ1X32X25U26U27V21V52U43W44X55W56W57Y58Y59V601Z21 221W331Y34 651Y56 271X481Y391W202W412V222W332Z34 2ELECTRIC UNITA B C D E F G IH1234567DTC343TKUN52132SA13622SD2114KBCE2SB1202BCE2SA1037K2SC4081BCEDTA143EUADTC124EUADTC144EUAINGNDOUTUMC2N NJM4565M-TE2NJM4565MDKDC-D301101112131415161718BPF ABPF BBPF CNCSELNCTESTA OUTGND987654321VCCA INC INNCDIF OUTNCRREFVREFCBIASC21B.U.GND123LchA GNDRch123412345678910111213141516171819202122DOUTSW2SW1SCLSDANCNCBU5VDGNDMUTENCMRSTMSTOPAUDIO 8VLchAGNDRchLOEJMOTORSRV 8VSRV GNDSW3C1 2200u16+C2 100u16+C3 0.01R2 22K100R110u16+C5 100u10+18KR622KR710KR915KR80.01C12100R561.5KR30.47u50C7+220u10C6+1.5KR40.47u50C8+0.47u50C10+1KR5100u6.3+0.047F5.5+39R22 1K66R21 1K14R20