Kenwood-KDCD-301-Service-Manual(2) 电路图 维修手册.pdf

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1、 2001-3 PRINTED IN JAPAN B51-7765-00(S) 3165 SERVICE MANUAL CD PLAYER KDC-D301 DIGITAL OPTMUM SERVO CONTROL INTEGRATED QUAD 1BIT D/A KDC-D301 DPAC CD PLAYER 11BAND SPECTRUM ANALYZER601202503805007501k2k4k8k16k DISP MENU CONVERTER ESCUTCHEON (B07-2188-02) PANEL ASSY (A64-2366-02) FRONT GLASS (B10-405

2、5-02) KNOB (K24-1923-14) PLASTIC CABINET ASSY (A02-1486-13) MOUNTING HARDWARE ASSY (J21-9491-13) SCREW SET (N99-1656-05) : K TYPE ONLY SCREW SET (N99-1632-05) : K TYPE ONLY STAY (J54-0606-04) : K TYPE ONLY LEVER x 2 (D10-3031-04) DC CORD (E30-4730-05) CUSHION (G11-1860-05) RadioFans.CN 收音机爱 好者资料库 BL

3、OCK DIAGRAM KDC-D301 2 CONTENTS BLOCK DIAGRAM . 2 COMPONENT DESCRIPTION . 3 MICROCOMPUTERS DESCRIPTION. 5 PC BOARD . 7 SCHEMATIC DIAGRAM . 13 EXPLODED VIEW . 19 PARTS LIST. 21 SPECIFICATIONS .Back cover P ON VDD AVDD BPF SEL BPF A BPF B BPF C B.U.DET A MUTE BEEP SW 5V BU +5V AUDIO +B ILL +B B.U. DET

4、 AUDIO MUTE BU 5V SERVO +B AUD +B L CH ILL +B B.U. L CH R CH R CH 2 4.19MHz CLOCK BUZZ B.P.F. 4 AMP AGC VREF ISO AMP SP INPUT 4 13PIN 22PIN16PIN SYSTEM MI-COM CH CORD Q9 Q1,2 Q19 Q3,4 Q14,15,20 Q7,8 Q5,6 X1 Q13 (2/2) IC5 IC6 IC7 BPF IN (1/2) IC6 4PIN SERVO +B to H.U. IC1 SW 14V Q17 CD MECHANISM MUTE

5、 R STOP SW2 LO/EJ MUTE L RST SW3 SW1 SDA SCL MO SW LCD DRIVER IC1 Q1 ED1 LCD DIMMER SW LCD AVR PAN 5V (X13- ) L DATAL L CE L CLK (X92- ) L INH CN4 CN5 (X89- ) CN1 J1 J1 ILL +B DISP EJECT PAN 5V PAN 5V 2 PAN 5V SW Q10 P KEY EJECT PANEL CH CON RESET SW Q16 IC2 RESET J1 CN1 CN3 CN2 CH RST DATA H DATA C

6、 CH CLK REQ H REQ C CH CON CH MUTE (X25- ) RadioFans.CN 收音机爱 好者资料库 KDC-D301 3 COMPONENT DESCRIPTION G SWITCH UNIT(X16-110X-XX) Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility IC1LC75823WLCD driver Q12SC4081Dimmer SW When Q1s base goes Hi, Dimmer LEDs are turned on. G ELECT

7、RIC UNIT(X25-8902-71) Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility IC1UPD780058GC255System MI-COM. IC2S-80830ANNPReset IC When BU 5V voltage is less than 3.0V, IC outputs Lo. IC5NJM4565M-TE2Isolation amp. IC6NJM4565M-TE21/2 VCC & A.G.C.amp. IC7BA3834FBPF IC Q12SC4081 BU

8、 5V AVR While BACKUP is applied, AVR outputs +5V. Q22SA1870 or 2SB1450Q1 and Q2 are inverted Darlington connection. Q32SC4081 Audio +B AVRWhile Q3s base goes Hi, AVR outputs +8.0V. Q42SB1202 Q52SC4081 Illumination +B AVRWhile Q5s base goes Hi, AVR outputs +10.5V. Q62SB1202 Q72SC4081 Servo +B AVRWhil

9、e Q7s base goes Hi, AVR outputs +8.0V. Q82SB1202 Q92SC4081BU detection SW While BACKUP is applied, a base goes Hi, and Q12 is turned on. When momentary power down has detected, a base goes Lo, and Q12 is turned off. Q102SA1037KPanel 5V SW When a base goes Lo during panel closed, Q10 is turned on. Q1

10、12SC4081Guide or Eject illumination SW When a base goes Hi, Guide or Eject illumination LED is lighting-up. Q12DTA143EUAChanger mute SW When CHANGER MUTE REQUEST to H/U is worked, a base goes Lo and Q12 is turned on. Q13DTC144EUA or UN5213Buzzer SWWhen a base goes Hi, Buzzer is turned on. Q14DTC343T

11、KAudio mute SW(L Ch)When a base goes Hi, Audio mute is activated. Q15DTC343TKAudio mute SW(R Ch)When a base goes Hi, Audio mute is activated. Q16DTC144EUA or UN5213Changer reset SW When CHANGER RESET from H/U is worked, a base goes Hi and Q19 is turned on. Q17UMC2NSW 14V Audio +8V AVR, Illumination

12、+B AVR, Servo +B AVR on/off control When a base goes Hi, Q17 is turned on, and Each AVR are working. Q18DTC144EUA or UN5213BU detection inverter Q19UMC2NSW 5V CD MECHA. SW, BPF IC on/off control When a base goes Lo, Q19 is turned on, and Each circuits are working. Q20UMC2NAudio mute driver When a ba

13、se goes Hi, Audio mute driver outputs Hi. Q212SD2114KAGCSignal level control Q22DTC144EUA or UN5213Changer control SW When CHANGER CONTROL from H/U goes Hi, Q15 is turned on. Q232SA1037K LED +B SW When Q23s base goes Hi, BU 5V is supplied to the Q24DTC144EUA or UN5213Switch Unit. RadioFans.CN 收音机爱 好

14、者资料库 KDC-D301 4 COMPONENT DESCRIPTION G CD PLAYER UNIT(X32-5010-00) Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility IC1AN22000AARF amplifier Generation of RF signal based on the signals from the APC circuit and pickup, and generation of servo error(focusing error and track

15、ing error)signals. Detection of dropout, anti-shock, track crossing and off-track conditions, Gain control function building in. IC2MN662774KG1 CD signal processor bult-in MI-COM. IC4BA5917AFP4CH BTL driver Focusing coil, tracking coil, spindle motor and sled motor driver IC6NJM4565MDOP Amp.Low pass

16、 filter Q1MCH6101APCLD power control Q2DTC124EUAP ON SW When CD source is selected, Q2s base goes Hi, Q3 and Q4 are turned on. Q3DTA143XUAA.8V SW A8V ON/OFF control. When a base goes Lo, Q3 is turnde on. Q42SA1362(Y)D.5V SW D5V ON/OFF control. When a base goes Lo, Q4 is turnde on. Q5 DTC124EUAMOTOR

17、SW When CD loading or eject operation is activating, Q5s base goes Hi, Q4 is turned on. KDC-D301 5 MICROCOMPUTERS DESCRIPTION IC1 (ELECTRIC UNIT: X25-8902-71) G Terminal Description Pin No.Pin NameI/ODescriptionProcessing Operation 1EJECTIEject key inputLo: Eject key pressed 2REF CONOA/D converter r

18、eference voltage control outputHi: Reference voltage supplying 3NCONot used(N.C.) 4AVSS-A/D, D/A converter ground connection terminalConnected to ground lines. 5NCONot used(N.C.) 6NCONot used(N.C.) 7AVREF1-D/A converter reference voltage input terminalConnected to BU 5V lines. 8-10NCONot used(N.C.)

19、11DATA HIData input from H/U 12DATA COData output to H/U 13CH CLKI/OClock input/output with H/UNew type: Input, Previous type: Output 14REQ COCommunication request to H/ULo: Communication request 15NCONot used(N.C.) 16P KEYIKey data input from LCD driver IC 17L DATAOData output to LCD driver IC 18L

20、CLKOClock output to LCD driver IC 19NCONot used(N.C.) 20NCONot used(N.C.) 21MSTOPOStop request to CD mechanism MI-COM.Lo: Stop mode, Hi: Operation mode 22L INHOINH output to LCD driver ICLo: Display lighting-up, Hi: Display lighting -out 23L CEOCE output to LCD ICHi: Data communication 24DIMMERODimm

21、er outputLo: Dimmer mode, Hi: Except dimmer mode 25NCONot used(N.C.) 26BPF SELOBPF IC control output(SEL,A,B,C)=(Lo,X,X,X).GND 27BPF AOBPF 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) .170Hz 28BPF BOBPF IC band control output B (SEL

22、,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) .2.4kHz 29BPF COBPF IC band control output C (SEL,A,B,C)=(Hi,Hi,Hi,Lo) .5.9kHz (SEL,A,B,C)=(Hi,Hi,Hi,Hi) .14.4kHz 30,31 NCONot used(N.C.) 32G ILLUMIODisc indicator control output Hi: Indicator lighting-up, Lo: Ind

23、icator lighting- out 33VSS1-Ground connection terminalConnected to ground lines. 34TYPE1IDestination selection terminal J type : Pull down to ground lines K,E type: Pull up to BU 5V lines 35NCONot used(N.C.) 36SDAI/OData input/output with CD mechanism MI-COM. 37SCLI/OClock input/output with CD mecha

24、nism MI-COM. 38NCONot used(N.C.) 39CH MUTEOAudio mute request to H/ULo: Mute request 40MUTEOAudio mute control outputHi: Audio mute on, Lo: Audio mute off 41NCONot used(N.C.) 42PONOPeripheral circuits AVR control output Hi: A.+8V AVR, ILL +B AVR , SERVO +B AVR and BPF IC are turned on. 43NCONot used

25、(N.C.) 44BEEPOBeep output 45MRSTOReset output to CD mechanism MI-COM.Lo: CD mechanism MI-COM. reset 46CD MUTEIMute request input from CD mechanism MI-COM. Lo: Mute request 47EJ BUPIOR input (EJECT key, B UP inverter signal) 48NCONot used(N.C.) 49MOTOROCD mechanism loading motor control outputHi: CD

26、loading/eject action or Break, Lo: other 50LOEJI/OCD mechanism loading/Eject switching outputLo: Loading, Hi: Eject, Hi-Z: Stop or Break KDC-D301 6 MICROCOMPUTERS DESCRIPTION Pin No.Pin NameI/ODescriptionProcessing Operation 51-59 NCONot used(N.C.) 60RESETIReset inputLo: System reset 61REQHICommunic

27、ation request from H/ULo: Communication request 62COMM SWI5-line communication previous/new switch inputLo: New type, Hi: Previous type 63SW2I12cm disc detection terminal(8cm/12cm) When 12cm disc is detected, the input becomes Lo temporarily. (Watched in SW1 Lo) 64SW1ILoading detection (Loading star

28、t)Lo: Loading start 65FLIP SWIPanel tilting detection inputHi: Panel tilted or detached, Lo: Panel closed 66CHCONIChanger control input from H/UHi: Standby mode, Lo: Operation mode 67VSS0-Ground connection terminalConnected to ground lines. 68VDD1-Positive power supply connection terminalConnected t

29、o BU 5V lines. 69X2-Main clock resonator connection terminal 70X1IMain clock resonator connection terminal 71IC(VPP)-Not used(connected to ground lines) 72XT2-Sub clock resonator connection terminalNot used(N.C.) 73XT1ISub clock resonator connection terminalNot used(connected to BU 5V lines) 74VDD0-

30、Positive power supply connection terminalConnected to BU 5V lines. 75AVREF0IA/D converter reference voltage input terminalConnected to REF CON terminal 76BPF INILevel detection input from BPF IC out 77ILLUMI ONOILL+B AVR control outputHi: AVR ON, Lo: AVR OFF 78NCONot used(N.C.) 79SW3IDown & limit sw

31、itch detection inputHi: Chucking, Lo: Pickup most inner position 80B UPIMomentary power down detection input Hi : When momentary power down detected or BU OFF Lo : BU ON 78 ABCEDFGIH 1 2 3 4 5 6 7 Refer to the schematic diagram for the values of resistors and capacitors. PC BOARD (Foil Side View) CD

32、 PLAYER UNIT PC BOARD (Component Side View) CD PLAYER UNIT 16 2 15 1 CN1 R5 R6 R7 R8 R9 R10 2 16 1 15 R1 R2 R3 R4 S1 J1 X89-2280-03 (J74-0720-22) 16 2 15 1 CN1 R5 R7 R8 R9 R10 2 16 1 15 R1 R2 R3 R4 R6 S1 J1 X89-2280-03 (J74-0720-22) DAUGHTER UNIT DAUGHTER UNIT /MUTER D.OUT R125 RW LDON FBAL R233 RF

33、GND ARF IOP- IOP+ F TE TR TBAL TE FE + - -+ GCTL A R234 C D B 1 Vref E R54 R38 R37 C26 C85 R36 R34 R32 R218 C35 C25 C28 C24 LDCNT X1 R46 R76 R82 R73 EJECT/SLED- 22 FCS+ LD R3 16 VR PD FCS- Vc Vcc F R6 TRK- TRK+ CP3 A.+B S.+B SW3 Rch S.GND1 SLED+ LOAD + - ECS + FOD R107 R47 B CP1 E CP2 BU.5V C21 SPDL

34、+ SPDL- A.GND Lch TVD- - + R75 /MSTOP /MRST B E C45 R83 R72 R71 C43 R81 BBEE R77 R108 SW1 /CLK DATA R104 SW2 D.GND /RST C71 R121 R117 5 C72 C68 4 R122 R102 R118 R126 R238 C90 C77 8 C79 C80 1 C78 + A.5V LO/EJ /MUTEL MOTOR R78 C41 D4 CN2 CN1 Q4 Q3 Q2D2 Q5 IC6 D3 D5 R214 C6 VDET OFT R19 C15 C19 /RFDET

35、C7 C11 C10 R11 R10 C12 16 C8 1 C89 BDO TRCRS R202 C2 C16 17 32 R17 C18 IPFLAG C23 R16 C14 R15 25 C17 R18 C13 TOFS C29 26 C33 C20 R21 R20 100 1 51 STLD FLAG FCLK 50 ST-O SMCK 75 DQSY 76 R5 R8 C5 B E R12 R9 C4 W17 C1 C3 CLVS C55 C46 R52 R49 14 1 15 28 IC1 IC2 S2 Q1 D1 S3 X32-5010-00 (J74-1158/1159-12)

36、 S1 IC4 C85 R238 C41 CP1 R117 X1 R121 C72 C77 R125 R104 C78 R122 R118 R126 R102 R107 R108 C79 C80 R32 C68 C90 C71 C24 R36 C26R34 R77 R37 C28 R38 C25 R46 R73 C21 R75 CP2 CP3 R54 C43 R72 R71 R81 R83 C45 R82 R47 R78 R76 R6 R3 R233 C35 R234 R218 GCTL TBAL FBAL + LDON - + FE + RW LDCNT ECS - +FOD CB D 1

37、F Vcc Vc EJECT/SLED- DATA /CLK D.GND D.OUT BU.5V PD 1 1 /MRST SPDL+ - + TVD MOTOR Rch TRK- LD VR FCS+ TRK+ FCS- A.+B /MUTEL /MUTER LOAD SLED+ A.GND /MSTOP SPDL- S.GND S.+B SW3 IOP- GND ARF Vref F E Lch LO/EJ A.5V SW2 + /RST RF TE TR SW1 IOP+ A TE - - 4 8 5 22 16 EBEB E B B E D4 D5 IC6 Q3 Q4 D2 CN1 Q

38、2 Q5 D3 CN2 W17 C89 R5 C29 C46 R52 C23 R49 C33 R9 C20 C19 R20 R8 C1 C8 C12 C10 C11 R18 C3 C2 C17 C18 R17 C16 R15 C15 C14 R16C13 R12 R10 C7 C6 R11 C5 R19 R214 R202 C55 R21 C4 CLVS VDET TRCRS BDO /RFDET OFT 1 STLD SMCK ST-O FLAG TOFS FCLK DQSY IPFLAG 1 1 16 32 17 2551 75 76100 5026 1415 28 B E IC1 IC4

39、 D1 S3 S2 Q1 IC2 S1 X32-5010-00 (J74-1158/1159-12) .oN . f eR sserddA CIQ 1B4 2C4 4D2 6D3 1B4 2D4 3D3 4C4 5D4 CD PLAYER UNIT (X32-5010-00) CD PLAYER UNIT (X32-5010-00) .oN . f eR sserddA CIQ 1H4 2G4 4F2 6F3 1H4 2F4 3F3 4G4 5F4 RQPNOMLJK 1 2 3 4 5 6 7 ELECTRIC UNIT PC BOARD (Component Side View) Refe

40、r to the schematic diagram for the values of resistors and capacitors. 910 ELECTRIC UNIT (X25-8902-71) R122 R123 C30 C38 C22 R30 R23 R72 R128 R129 R14 C26 R27 R28 R117 C20 C19 R114 C50 R108 R112 C41 R113 C51 R111R110 R107 C48 C49 R116 C46 R115 R124 R126 R125 R121R120 R33 CP6 R11 C33 R10 CP1 R32 C27

41、R29 R26 R73 C15 R53 C18 R60 CP10 C17 C39 R50 R54 R55 CP3 CP4 CP2 CP5 CP7 CP9 R118 R119 R109 R127 R100 R101 R103 R104 R105 R102 X1 R56 R3 R1 R2 R4 R5 R6 R7 R8 R9 C12 C3 R12 R13 R15 R16 R17 R18 R19 R20 R21 R22 R24 R25 R44 R52 R130 R49 VPP GND VDD RST IN OUT CLK BZ1 C2 C8 C16 C56C55C40 C47 C43C45C42 C4

42、4 C10 C13 C14 C9 C4 C5 C6 C7 C29 C11 C1 BE B E BE 1 22 1 20 21 40 41 60 6180 B 10 9 1 18 1 4 5 8 1 4 5 8 BE 1 2 3 4 1 2 16 15 318112 1 4 BE E BE BE B EB E B BE E B E B B E BE E B B E E B BE EEB EB EEB E EE B D10 Q11 Q10 X25-8902-72 (J74-1200-22) Q23 Q24 IC5 IC6 Q21 D30 D22 D24 D28 Q22 IC2 Q16 Q12 IC

43、7 Q20 D23 IC1 Q3 Q4 Q5 Q1 Q9 Q6 Q14 Q15 Q13 D19 Q19 Q7 Q8 D11 D13 D14 D15 D16 D17 D20 D21 D31 Q17 D29 D7 Q18 Q2 D18 S1 J1 CN2 D6 D5 D1 D2 D3 D4 CN3 D8 CN1 CN5 D9 P1 CN4 R30 C10 R12 W6 CP1 R23 C13 C2 R7 R31 W5 R19 R26 R9 R28 R29 R25 C9 R2 R5 R27 R15 R18 C8 R16 C5 R14 C12 C11 R4 R24 C1 C14 R22 R21 R20

44、 C6 C7 R6 W2 W4 R3 R32 R33 R34 C15 C16 W1 16 15 2 1 1 16 17 3233 48 49 64 5150 1001 76 75 25 26 E B R1 E B E B E B IC1 Q5Q6 D8 Q4 D7 D5 D6 Q1 IC2 D9 D10 J1 61 123 1 62 S7 S6 S9 S8 S4 S5 S3 S2 S1 S11 ANA 1 3 MENU EQ (DISP) RST DOWN UP D2D4D3D1 S10 LCD 2 X16-110X-XX (J74-1260-12) SWITCH UNIT .oN . f e

45、R sserddA CIQ 1M3 2M1 5P2 6P2 7O2 1O5 2P4 3N4 4M5 5N5 6N5 7L4 8L5 9O6 01K2 11K2 21N3 31L3 41L6 51L5 61L2 71M4 81L3 91N2 02N4 12P2 22N2 32K2 42K2 .oN . f eR sserddA CIQ 1R4 1R6 SWITCH UNIT (X16-110X-XX) STUWVXYAAZ 1 2 3 4 5 6 7 Refer to the schematic diagram for the values of resistors and capacitors

46、. 1112 PC BOARD (Foil Side View) 17 R33 R1 E R14 R5 R7 B C6 C1 C2 C7 R2C5 CP1 C9 25 1 C8 R20 R21 R22 R23 R19 R16 100 C10 76 33 26 50 R32 C16 C15 R34 51 75 B E W5 W6 32 W1 64 C12 R15 R30 49 48 C14 C11 15 R31 16 1 R29 R18 16 R9 1 W4 R25 R24 2 R27 R26 EB EB R12 R28 C13 R3 R6 R4 W2 D5 Q1 IC2 D7 Q4 D8 D6

47、 IC1 D10 D9 J1 Q5Q6 1 62 61 123 S3 S11 2S2 3 D2D4D3D1 RST S11 LCD (DISP) MENU S5 S4 ANA S8 UP EQ S6 S9 S10 DOWN S7 X16-110X-XX (J74-1260-12) SWITCH UNIT .oN . f eR sserddA CIQ 1S4 1S6 SWITCH UNIT (X16-110X-XX) C10 E E B 15 1 2 16 R5 R14 R128 C22 R72 E E B B R129 E B B E C38 C33 C30 22 R30 R23 1 R18

48、E R25 3 R24 EBB 1 C14 B C9 R20 R19 R21 R22 C13 8 R12 C8 B R17 R16 R15 1 R4 E E R9 12 C12 R6 EB R7 R8 C5 B C3 R2 R1 C4 C1 C2 E B B 1 4 E C20 B BE CP10 R50 OUT BZ1 E R13 E C7 R56 20 CLK B IN CP3 CP7 CP9 21 R44 R52 C27 R29 R33 B E C26 R27 R28 R26 R73 C15 R32 R60 C18 CP1 1 B 80 VPP R53 1 2 E 4 3 X1 C29 R130 R3 BE E R49 CP4 CP2 40 41 B E B EE R10 CP5 C6 GND CP6 R55 C17 60 R11 61 R54 RST EB VDD B EE R