Kenwood-KDCX-869-Service-Manual(2) 电路图 维修手册.pdf

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1、CD mechanism extension cord : W05-0935-00CD mechanism operation description is not in this service manual. Please, refer to service manual X92- 4030-0 x (B51-7867-00). Mounting hardware assy (J21-9823-03) Remote controller assy (RC-505) (A70-2040-05) DC cord (E30-6062-05) : KDC-X869 (E30-6106-05) :

2、KDC-MP922 Lever (D10-4674-04) x 2 Plastic cabinet assy (A02-2731-03) Screw set (N99-1723-05) Screw set (N99-1734-05) Size AA battery (Not supplied) Escutcheon (B07-3078-01) : KDC-MP922 (B07-3079-01) : KDC-X869 504W DIGITAL AUDIO COMPACT Panel assy (A64-2976-01): KDC-X869 Escutcheon (B07-3079-01): KD

3、C-X869 Panel assy (A64-2993-02): KDC-X869 Panel assy (A64-2977-01): KDC-MP922 Panel assy (A64-2994-02): KDC-MP922 Escutcheon (B07-3078-01): KDC-MP922 s504W DIGITAL AUDIO COMPACT 2003-2 PRINTED IN JAPAN B53-0032-00 (N) 1459 CD RECEIVER KDC-MP922 KDC-X869 SERVICE MANUAL RadioFans.CN 收音机爱 好者资料库 3 HOW T

4、O THE PANEL MECHANISM ASSEMBLY 1. Fixed the position of operation side (Fixed the horizontal position when the panel opened) q The mounting hardware (281) of operation side is rota- tion (A) into the stop position with close side. w As figure (B) line is just above and the gear (230) at- tached to p

5、in. B A Rotary to the stop position 281 230 This line attached just above Fig. B (This figure from look at B arrow) C 284 702 SW D E F 702 SW 284 2. The slider assembly insert to bottom chassis q The bracket for display panel (284) is leave down, in- sert to the chassis (702). (C) w The slider assem

6、bly insert to the chassis (702) after that shift (D) direction. e The bracket for display panel (284) is raised (E) direc- tion. r Keep the raising conditions, the slider assembly is shift (F) direction. (Note) Do not bend the knob of chassis detection switch when the slider assembly insert. KDC-MP9

7、22/X869 RadioFans.CN 收音机爱 好者资料库 KDC-MP922/X869 3 BLOCK DIAGRAM BUFFER RDS DECODER BUFFER REMO RESET SW KEY MATRIX FL u-COM MPX E-VOL & ACC DET TEL MUTE B.U DET SYSTEM DRIVER MUTE POWER IC ACC TEL MUTE BACK UP SP OUT (FL) RESET KEY ILL IC14 IC2 IC1 IC4 IC8 IC9 Q303,304 AM+B AGC ES+ PRE MUTE PRE MUTE

8、PRE MUTE PRE OUT (FRONT) PRE OUT (REAR) (NF) PRE OUT AUX IN OP AMP OP AMP OP AMP SP OUT (FR) SP OUT (RL) SP OUT (RR) EXT AMP DIMMERDIMMER EXT.AMP.CON ANT-CONANT CON P-CONP CON WIRED REMO/ OPEL DISP I/F FOCUS SW WOW IC5 IC20 IC6 IC9 IC13 IC12 IC11 Q207,208 Q205,206 Q203,204 BU5V SW 5V SW 14V 5V SERVO

9、 FL+B SW REG A8V PANEL Q1,2 Q3,601 Q502,503 Q4,5 Q6-8 Q9,602 BU5V SW5V PANEL5V SW14V DC/DCA8V SERVO CD4.7V IC16 MOTOR DRDR MOTOR IC15 DC/DC ROTARY ENCODER u-COM IC11 SHIFT LEVEL BPF PANEL SW5V FL+B Q4 FL3.3V Q2,3 EEPROM EEP5V Q501 IC1 Q23,24 Q26 Q25 IC18 Q27 Q29 IC10 Q6,10 Q11-14 IC19 S-METER AUDIO

10、OUT SERVO 8V BU5V CD4.7V BACK UP FM AM CD QUAL CH PANEL5 KEY BU5V 8V SW5V 8V8V SW5V BPF 8V 8V 9V 9V 9V 8V 9V SW5V FL+B FAC AGC 8V 8V BU5V BU5V BU5V SERVO TUNER CD CH UNIT MECHA PANEL TDF UNIT SWITCH UNIT DISPLAY (X16-208) (X16-212) (X16-217) (X25-964) RadioFans.CN 收音机爱 好者资料库 KDC-MP922/X869 4 G SUB-C

11、IRCUIT UNIT (X16-2080-10) Ref. No.Application/FunctionOperation/Condition/Compatibility IC1E2PROMFor security G SUB-CIRCUIT UNIT (X16-2120-10) Ref. No.Application/FunctionOperation/Condition/Compatibility IC13.3V regulatorThe power supply of IC and VFD (Logic) which are driven by 3.3V IC2Buffer ICIt

12、 is change into 3.3V from 5V IC3Remote control IC IC4Spectrum analyzer IC IC5Panel -com Q1, 2FL+B SWFL+B (VDD2) is turned on when Q2s base level goes “H” Q3REMO ON SWThe power supply of IC2 and IC3 is turned on when Q3s base level goes “L” Q4FL BLK SWVFD is turned on when Q4s base level goes “H” Q5B

13、lue LED SWBlue LED is turned on when Q5s base level goes “H” G SWITCH UNIT (X16-2170-10) Ref. No.Application/FunctionOperation/Condition/Compatibility Q1DSI (Disabled System Indicator)DSI blinks when the base goes “H/L” Q2KEY illumination SW (GREEN)ON (KEY illumination green) when the base goes “H”

14、Q3KEY illumination SW (RED)ON (KEY illumination red) when the base goes “H” G ELECTRIC UNIT (X25-9640-1x) Ref. No.Application/FunctionOperation/Condition/Compatibility IC1System -com IC2E-vol & N.C. & MPX IC3Regulator IC for A8V IC4Power IC IC5System Es IC IC6Audio IC (WOW) IC7-9V AVR (DC/DC IC) for

15、 4.5V Pre-out IC8Reset IC IC9Logic IC for muting IC10Buffer for S.A IC1113AMP for 4.5V Pre-out IC14RDS dcoder IC IC15, 16Motor driver IC for panel mechanism IC17ROM ICFor ROM correction. COMPONENTS DESCRIPTION KDC-MP922/X869 5 Ref. No.Application/FunctionOperation/Condition/Compatibility IC18P-CON I

16、C IC19Swiching regulator IC for CD4.7V IC20Analog SW for swiching IC6focus Q1, 2B.U.5V AVRWhile BU is applied, BU5V AVR outputs +5V. Q3, 601SW5VWhen Q601base goes Hi, SW5V outputs +5V. Q4, 5SW14VWhen Q5base goes Hi, SW14V outputs 14V. Q68AUDIO 8V AVRWhen Q6base goes Hi, A8V AVR outputs 8.3V. Q9, 602

17、SERVO+B AVRWhen Q602base goes Hi, S+B AVR outputs 7.5V. Q1114ILL&DC/DC+B AVRWhen Q11base goes Hi, AVR outputs 9.2V. Q15, 16AUDIO 10.5V AVRWhen Q16base goes Hi, AVR outputs 10.5V. Q1719Pre-Amp -9V AVR Q18 and 19 works as a differential amplifier, Q17 works as a driver and -9.1V is supplied to OP amp

18、for Pre-out. Q2022Pre-Amp +9V AVR Q20 and 22 works as a differential amplifier, Q21 works as a driver and +9.4V is supplied to OP amp for Pre-out. Q23, 24P-ANT SWWhen Q23base goes Hi, P-ANT SW outputs 14V. Q25Ex amp control buffer Q26Small lamp det SWWhen Q26base goes Hi, Q26 is turned on. Q27BU det

19、When Q27base gose Hi, Q27 is turned on. Q29ACC detWhen Q29base gose Hi, Q29 is turned on. Q30, 31Mute driverWhen a base gose Lo, mute driver is turned on. Q201Noise buffer Q202E-vol mute SWWhen a base gose Hi, mute SW is turned on. Q203208Pre-out mute SWWhen a base gose Hi, Pre-out is muted. Q210AGC

20、 for SA Q303, 304AM+B SWWhen Q303base gose Hi, AM+B is out. Q305Composite signal buffer for RDS Q501E2P 5V SWWhen Q501base gose Lo, E2P 5V is out. Q502, 503PANEL 5V SWWhen Q503base gose Hi, PANEL 5V is out. Q603SW for IC20When Q603base gose Hi, Q603 is turned on. COMPONENTS DESCRIPTION KDC-MP922/X86

21、9 6 MICROCOMPUTERS TERMINAL DESCRIPTION G SYSTEM MICROCOMPUTER : 703033BGC020 (X25-964 : IC1) Pin No.Pin NameI/OModulePurpose / DescriptionTruth tableProcessing Operation 1PLL_DATAI/OTunerData output/input with F/E. 2AM+BI/OPower supplyAM+B.AM operation : H 3(FM+B)OPower supplyFM+B (S01 F/E only).FM

22、 operation : H, Last FM : H (With RDS, RBDS model) 4V_ILL PAN_E2P DATAI/OTo panelV-ILL D/A converter (V-ILL, LCD), E2PROM data. 5V_ILL PAN_E2P CLKI/OTo panelV-ILL D/A converter (V-ILL, LCD), E2PROM clock. 6EVDD- 7EVSS- 8AFSOTunerNoise detection time constant switching.FM seek, AF search : L, Receivi

23、ng : H, Auto 0 : L 9BEEPOAudioBeep output. 10REMOIExtraRemote control input (Panel, External display). 11P_MUTEOAudioPower IC MUTE output.Power OFF : L, All OFF : L, TEL mute : L 12(SVR)OAudioPower IC SVR discharge circuit control. Power OFF momentary power dropped : H (5 second) and then L CDCD mec

24、hanism data line. 13IC2_SDAI/OAudioIC2, IC5 data line. ExtraROM correction data line. CDCD mechanism clock line. 14IC2_CLKI/OAudioIC2, IC5 clock line. ExtraROM correction clock line. 15P_STBYOAudioPower IC STBY output.Power IC ON : H, Power IC OFF : L, All OFF : H 16P_CONI/OExtraPower control.Power

25、ON : H, Power OFF : Hi-Z, All OFF : Hi-Z 17WOW_MODE2OAudioWOW control.q 18TEST-Connect to GND. 19DIAGIExtraP_CONIC over voltage, over current detection.Usually : H, Unusually : L 20MUTEOAudioMute output.ON : OPEN, OFF : L 21PRE_MUTEROAudioPREOUT (R ch) mute. M MUTE L is L : L (CD), Momentary power d

26、ropped : L, 2 zone, NAVI interrupt : Fixed H 22PRE_MUTELOAudioPREOUT (L ch) mute. M MUTE R is L : L (CD), Momentary power dropped : L, 2 zone, NAVI interrupt : Fixed H 23BU_DETIExtraMomentary power dropped detection. Backup : L, No backup, momentary power dropped : H 24ACC_DETIExtraACC detection.Wit

27、h ACC : L, Without ACC : H 25FOCUSI/OAudioWOW focus control.Focus HI : H, Focus LOW : Hi-Z 26 EXT_AMP_CONTOExtraExternal amplifier control.Refer to external amplifier control. NCONC (Without EXT_AMP_CONT model)Output : L 27DIMMERIExtraSmall lamp detection.ON : L, OFF : H ANT_CONOExtraAntenna control

28、.w Tuner ON : H, Other source With RDS last FM 28 : H, Other source with RDBS TI ON last FM : H TYPE2IExtraDestination select.w K,J type (With ANT_CON model) : L, E type (Without ANT_CON model) : H 29P_ONI/OPower supply SW 14V, SW 5V control, AD reference Power ON : H, Power OFF : Hi-Z voltage contr

29、ol output. 30ILL_ONI/OPower supplyFL, illumination output.ON : H, OFF : Hi-Z 31RESET- 32XT1-Sub clock.32.768kHz KDC-MP922/X869 7 Pin No.Pin NameI/OModulePurpose / DescriptionTruth tableProcessing Operation 33XT2-Sub clock.32.768kHz 34REGC-Connect to 1F capacitor. 35X2-Main clock.20MHz 36X1-Main cloc

30、k.20MHz 37VSS- 38VDD- 39CLKOUT- 40LX_REQ_MOLXCommunication request to external slave.Request : L 41LX_MUTEILXMute request from external slave.Mute ON : H 42LX_CONOLXExternal slave select.ON : H, OFF : L 43LX_RSTOLXReset output to external slave -com Normally : L, After system reset : H (400ms or mor

31、e) and then L CD source : H, Except CD source : L, 44CD_MECHA+BOPower supplyCD 4.7V output.ON : Fast 50ms than M_STOP, OFF : Slow 50ms than M_STOP 45TYPE0IExtraDestination select.w 46TYPE1IExtraDestination select.w 47IC2_TYPE0IExtraIC2 destination.w 48IC2_TYPE1IExtraIC2 destination.w 49PAN5VI/OPower

32、 supplyPanel 5V control.ON : H, Momentary power dropped : Hi-Z 50E2P5VI/OPower supplyE2PROM, DA converter power supply control.ON : L, OFF : Hi-Z 51DSII/OTo panelDSI control.ON : L, OFF : Hi-Z 52MC_REQOTo panelCommunication request to panel -com. 53PAN_RSTOTo panelReset output to panel -com.Normally

33、 : H, Reset, momentary power dropped : L 54WOW_MODE3OAudioWOW control.q 55BVDD- 56BVSS- 57SC_CONOTo panelPanel -com control.Power OFF, ACC OFF : L 58M_RSTOCDReset output to CD mechanism.Normally : H, Reset : L (Per mechanism control) 59M_STOPOCDStop request to CD mechanism.Stop : L, CD : H 60CD_SW3I

34、CDDC down switch detection.Chucking : H 61LO/EJI/OCDCD mechanism loading/eject switch.Stop, brake : Hi-Z, Loading : L, Eject : H 62MOSWOCDCD mechanism motor driver switch.Loading, eject, brake : H 63FPM MOTOR BOP-mechaFPM mechanism (Slider) control.e 64FPM MOTOR FOP-mechaFPM mechanism (Slider) contr

35、ol.e 65FPM MOTOR OOP-mechaFPM mechanism (Angle) control.e 66FPM MOTOR COP-mechaFPM mechanism (Angle) control.e 67NCONC (Without external display model)Output : L 68NCONC (Without external display model)Output : L 69NCONC (Without external display model)Output : L 70M_MUTERICDMute request form CD mec

36、hanism. (R ch).ON : L (CD) 71AVDD- 72AVSS- 73AVREF-Connect to P_ON (29 pin). 74M_MUTELICDMute request form CD mechanism. (L ch).ON : L (CD) 75PAN_DETITo panelPanel E2PROM detection.With : L, Without : H 76NCINC (Without TEL-MUTE model)Connect to GND. MICROCOMPUTERS TERMINAL DESCRIPTION KDC-MP922/X86

37、9 8 Pin No.Pin NameI/OModulePurpose / DescriptionTruth tableProcessing Operation 77FPM SW4IP-mecha FPM mechanism position detection, e 3.75V or more : No mechanism, mechanism detection.1.25V or more : H, Less than 1.25V : L 78FPM SW1IP-mechaFPM mechanism position detection.e 79FPM SW2IP-mechaFPM mec

38、hanism position detection.e 80FPM SW3IP-mechaFPM mechanism position detection.e 81FPM PHOUTIP-mechaFPM mechanism position detection.eH : 2.2V or more 82S_METERITunerS-meter detection.Refer to S03 F/E control. 83NOISEITunerFM noise detection.Refer to S03 F/E control. 84IFC_OUTITunerF/E IFC OUT input.

39、With station : 2.5V or more, refer to S03 F/E control. 85NC (POWER_DET)IExtraPower IC DC offset detection.03 model not used. Connect to GND. 86NCONC (Except J type)Output : L 87R_CLKITunerRDS decoder clock input. 88LX_REQ_SILXReceive request from external slave.Request : L 89SC_REQITo panelCommunica

40、tion request from panel -com 90CD_SW1ICDLoading switch detection.Loading start power off : L 91CD_SW2ICD12cm disc detection switch.12cm disc power off : L 92R_QUALITunerRDS decoder QUAL input. 93R_DATAITunerRDS decoder data input. 94LX_DATA_SILXData input from external slave. 95LX_DATA_MOLXData outp

41、ut to external slave. 96LX_CLKI/OLXClock input/output with external slave. 97PAN_RXITo panelData input from panel -com 98PAN_TXOTo panelData output to panel -com 99WOW_MODE1OAudioWOW control.q 100PLL_CLKI/OTunerClock input/output with F/E. Truth table q WOW MODE changover operation MODEWOW_MODE1WOW_

42、MODE2WOW_MODE3FOCUS BYPASSLLLDont care TruBassLHLDont care 3D-STEREOLLHDont care FOCUS LOWHLLL (Hi-z) FOCUS HIHLLH WOW LOWHHHL (Hi-z) WOW HIHHHH w Destination port MODELDestinationDISPLAYTYPE2TYPE1TYPE0 KDC-X969KFL000 KDC-MP922KFL001 FX-9000JFL010 KDC-PSW9524EFL100 KDC-9023RM (E)FL101 KDC-X869KFL011

43、 MICROCOMPUTERS TERMINAL DESCRIPTION KDC-MP922/X869 9 MODELDestinationDISPLAYTYPE2TYPE1TYPE0 KDC-8024EFL- KDC-MP822KLCD-00 KDC-M7024ELCD-01 FX-5000JLCD-10 KDC-V7022KLCD000 KDC-X769KLCD001 KDC-722KLCD010 KDC-7024 ELCD011 KDC-7024Y KDC-8023M (K)LCD100 Note : When FL model using TYPE2, K & J type (with

44、 ANT_CON model) : L, E type (without ANT_CON model) : H Destination(IC2) TYPE0TYPE1 Market modelLL Market model CRSC modiificationLH OEM model CRSC modificationHL OEM model CRSC and de-emphasis modificationHH e FPM MOTOR Slide FPM mechanism operation FPM MOTOR BFPM MOTOR F 00Standby 10Backward opera

45、tion 01Forward operation 11Brake Angle FPM mechanism operation FPM MOTOR OFPM MOTOR C 00Standby 10Angle open direction 01Angle close direction 11Brake G PANEL MICROCOMPUTER 703032BGFA01 (X16-212 : IC5) Pin No.Pin NameI/OPurpose / DescriptionProcesing Operation 1FL DATA1OData output to FL driver. 2FL

46、 CLKOClock output to FL driver.Communication speed : 2.5MHz 3NCOOutput : L 4FL DATA2OData output to FL driver. 5CLK INISerial clock input. Connect to 2 pin (Reset, low current consumption mode : FL CLK output “L”). 6SYS TXIData input from system -com.(Reset, low current consumption mode : System -co

47、m output “L”) MICROCOMPUTERS TERMINAL DESCRIPTION KDC-MP922/X869 10 Pin No.Pin NameI/OPurpose / DescriptionProcesing Operation 7SYS RXOData output to system -com.Communication speed : 1.25Mbps 8NCOOutput : L 9Evdd-PAN 5V 10Evss-Vss 1113NCOOutput : L 14FL LATCHOLatch output to FL driver. 15FL GCPOBri

48、ght control. 1619NCOOutput : L 20FL BLKODisplay switching signal output to FL driver.H : Display ON, L : Display OFF 21TESTIConnect to GND. 2225NCOOutput : L 2629KS1KS4I/OKey scan.Key scan (Hi-Z/L) 30REMO ONI/ORemote control IC power on/off.Hi-Z : OFF, L : ON (Time constant check, 500s) 31BLUE LEDOB

49、lue LED ON/OFF.H : ON, L : OFF 32RED LEDOIllumination red changeover.H : ON, L : OFF 33GREEN LEDOIllumination green changeover.H : ON, L : OFF 34RESETIReset.L : Reset, H : Reset cancel 35TX1- 36TX2- 37REGC-Connect to 1F capacitor. 38X1-Main clock.20MHz 39X2-Main clock.20MHz 40Vss-Vss 41VDD-Vdd 42CLKOUT- 4347NCOOutput : L 48FL+3.3VOFL3.3V ON/OFF.Hi-Z : OFF, L : ON (Time constant check, 1ms) 49FL+BI/OFL+B ON/OFF.Hi-Z : OFF, L : ON (Time constant check, 35s) 5057NCOOutput : L 58Vdd-Vdd 59Vss-Vss 6069NCOOutput : L 70VOLUME BIVOL input. 71VOLUME AIVOL input. 72SA RSTOSpectrum analyzer