Kenwood-KDCMP-822-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) DC cord (ISO) (E30-4942-05) : KDC-M7024 Remote controller assy (RC-505) (A70-2040-05) : KDC-MP8

2、22 DC cord (E30-6106-05) : KDC-MP822 Lever (D10-4674-04) x 2 Plastic cabinet assy (A02-2731-03) Screw set (N99-1723-05) : KDC-MP822 Screw set (N99-1734-05) Antenna adaptor (T90-0552-05) : KDC-M7024 Size AA battery (Not supplied) Escutcheon (B07-3078-01) 504W DIGITAL AUDIO COMPACT 504W DIGITAL AUDIO

3、COMPACT Panel assy (A64-2978-01): KDC-MP822 Escutcheon (B07-3078-01) Panel assy (A64-2995-02): KDC-MP822 Panel assy (A64-2986-01): KDC-M7024 Panel assy (A64-3003-02): KDC-M7024 Escutcheon (B07-3078-01) 2003-2 PRINTED IN JAPAN B53-0035-00 (N) 3114 CD RECEIVER KDC-M7024 KDC-MP822 SERVICE MANUAL RadioF

4、ans.CN 收音机爱 好者资料库 3 HOW TO 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 g

5、ear (230) at- tached to pin. 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

6、). (C) w The slider assembly 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

7、 assembly insert. KDC-M7024/MP822 RadioFans.CN 收音机爱 好者资料库 KDC-M7024/MP822 3 BLOCK DIAGRAM RESET SW KEY MATRIX KEY ILL ROTARY ENCODER LCD DRIVER IC2 SW5V Q6 PANEL IC3 REMOCON WITH LCD DRIVER IC1 KEY MATRIX LCD BUFFER RDS DECODER BUFFER u-COM MPX E-VOL & ACC DET TEL MUTE B.U DET DRIVER MUTE POWER IC A

8、CC TEL MUTE BACK UP SP OUT (FL) RESET IC12 IC2 IC1 IC4 IC7 Q102,103 AM+B PRE MUTE PRE MUTE PRE MUTE PRE OUT (FRONT) PRE OUT (REAR) (NF) PRE OUT 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 IC8 Q59,60 Q55,56 Q57,58 BU5V SW 5V

9、 SW 14V SERVO ILL+B SW REG A8V Q1,2 Q3 Q4,5 Q6-8 Q9,34 BU5V SW5V SW14V A8V SERVO CD5.0V IC14 MOTOR DRDR MOTOR IC13 EEPROM EEP5V Q501 IC1 Q23,24 Q30 Q29 Q25,26 Q32 Q33 Q11-14 IC5 Q104 Q53 KEY BU5V BU5VBU5VBU5V S-METER AUDIO OUT SERVO 8V BU5V CD4.7V BACK UP FM AM CD QUAL CH BU5V 8V SW5V 8V8V SW5V 8V S

10、W5V BU5V BU5V BU5V SERVO (X16-214) (X16-219) SWITCH UNIT DISPLAY UNIT TUNER CD CH MECHA PANEL TDF UNIT (X16-208) (X25-966) RadioFans.CN 收音机爱 好者资料库 KDC-M7024/MP822 4 G SUB-CIRCUIT UNIT (X16-2080-10) Ref. No.Application/FunctionOperation/Condition/Compatibility IC1E2PROMFor security G SUB-CIRCUIT UNIT

11、 (X16-2140-10) Ref. No.Application/FunctionOperation/Condition/Compatibility IC1LCD driverKEY Input IC2LCD driver IC3Remote control sensor Q1KEY scan start SWON when the base goes “L”. Q5, D26VLCD AVR Q6Remote control sensor power supply SWON when the base goes “L”. Q11Dimmer controlLCD back light c

12、ontrol. OFF when the base goes “L”, ON when the base goes “H”. G SWITCH UNIT (X16-2190-10) 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

13、” Q3KEY illumination SW (RED)ON (KEY illumination red) when the base goes “H” G ELECTRIC UNIT (X25-966x-xx) Ref. No.Application/FunctionOperation/Condition/Compatibility IC1System -com IC2E-vol & N.C. & MPX IC3Regulator IC for A8V IC4Power IC IC5Swiching regulator IC for CD5V IC7Reset IC IC8Logic IC

14、 for muting IC12RDS decoder IC IC13, 14Motor driver IC for panel mechanism IC15ROM ICFor ROM correction. Q1, 2B.U.5V AVRWhile BU is applied, BU5V AVR outputs +5V. Q3SW5VWhen Q3base goes Lo, SW5V outputs +5V. Q4, 5SW14VWhen Q5base goes Hi, SW14V outputs 14V. Q68AUDIO 8V AVRWhen Q6base goes Hi, A8V AV

15、R outputs 8.4V. Q9, 34SERVO+B AVRWhen Q34base goes Hi, S+B AVR outputs 7.4V. Q10SW for IC5When Q10base gose Hi, Q10 is turned on. Q1114ILL+B AVRWhen Q11base goes Hi, AVR outputs 10.5V. Q23, 24P-ANT SWWhen Q23base goes Hi, P-ANT SW outputs 14V. Q25, 26P-CON SWWhen Q26base goes Hi, P-CON SW outputs 14

16、V. Q27, 28P-CON protectionProtect Q27 by turning on when P-CON output is grounded. Q29Ex Amp control buffer Q30Small lamp det SWWhen Q30base goes Hi, Q30 is turned on. Q32BU detWhen Q32base gose Hi, Q32 is turned on. Q33ACC detWhen Q33base gose Hi, Q33 is turned on. Q51, 52Mute driverWhen a base gos

17、e Lo, mute driver is turned on. COMPONENTS DESCRIPTION KDC-M7024/MP822 5 Ref. No.Application/FunctionOperation/Condition/Compatibility Q53Noise buffer Q54E-vol mute SWWhen a base gose Hi, mute SW is turned on. Q5560Pre-out mute SWWhen a base gose Hi, Pre-out is muted. Q63E2P 5V SWWhen Q63base gose L

18、o, E2P 5V is out. Q102, 103AM+B SWWhen Q102base gose Hi, AM+B is out. Q104Composite signal buffer for RDS COMPONENTS DESCRIPTION MICROCOMPUTERS TERMINAL DESCRIPTION G SYSTEM MICROCOMPUTER : UPD703030GC014 (X25-966 : IC1) Pin No.Pin NameI/OModulePurpose / DescriptionTruth tableProcessing Operation 1P

19、LL_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 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 conve

20、rter (V-ILL, LCD), E2PROM clock. 6EVDD- 7EVSS- 8AFSOTunerNoise detection time constant switching.FM seek, AF search : L, Receiving : H, Auto 0 : L 9BEEPOAudioBeep output. 10REMOIExtraRemote control input (Panel, External display). 11P_MUTEOAudioPower IC MUTE output.Power OFF : L, All OFF : L, TEL mu

21、te : L 12(SVR)OAudioPower IC SVR discharge circuit control. Power OFF momentary power dropped : H (5 second) and then L CDCD mechanism data line. 13IC2_SDAI/OAudioIC2 data line. ExtraROM correction data line. CDCD mechanism clock line. 14IC2_CLKI/OAudioIC2 clock line. ExtraROM correction clock line.

22、 15P_STBYOAudioPower IC STBY output.Power IC ON : H, Power IC OFF : L, All OFF : H 16P_CONI/OExtraPower control.Power ON : H, Power OFF : Hi-Z, All OFF : Hi-Z 17DIMMER_CONTOTo panelDimmer control (W-LED only). Dimmer : Pulse control, Frequency : 1kHz, Normally : H 18TEST-Connect to GND. 19NCOExtraNC

23、 (MP3 mechanism model).wOutput : L 20MUTEOAudioMute output.ON : OPEN, OFF : L 21PRE_MUTELOAudioPREOUT (L ch) mute. M MUTE L is L : L (CD), Momentary power dropped : L, 2 zone, NAVI interrupt : Fixed H 22PRE_MUTEROAudioPREOUT (R ch) mute. M MUTE R is L : L (CD), Momentary power dropped : L, 2 zone, N

24、AVI interrupt : Fixed H KDC-M7024/MP822 6 Pin No.Pin NameI/OModulePurpose / DescriptionTruth tableProcessing Operation 23BU_DETIExtraMomentary power dropped detection. Backup : L, No backup, momentary power dropped : H 24ACC_DETIExtraACC detection.With ACC : L, Without ACC : H 25SW5VI/OPower supply5

25、V power supply.ON : L, OFF : 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 28ANT_CONOExtraAntenna control.w Tuner ON : H, Other source With RDS last FM : H, Oth

26、er source with RDBS TI ON last FM : H 29P_ONI/OPower supply SW 14V, SW 5V control, AD referencePower ON : H, Power OFF : Hi-Z voltage control output. 30ILL_ONI/OPower supplyFL, illumination output.ON : H, OFF : Hi-Z 31RESET- 32XT1-Sub clock.32.768kHz 33XT2-Sub clock.32.768kHz 34REGC-Connect to 1F ca

27、pacitor. 35X2-Main clock.20MHz 36X1-Main clock.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. Norm

28、ally : L, After system reset : H (400ms or more) and then L CD source : H, Except CD source : L, 44CD_MECHA+BI/OPower supplyDC 5.0V output.ON : Fast 50ms than M_STOP, OFF : Slow 50ms than M_STOP 45TYPE0IExtraDestination select.w 46TYPE1IExtraDestination select.w 47IC2_TYPE0IExtraIC2 destination.w 48

29、IC2_TYPE1IExtraIC2 destination.w 49NCONCOutput : L 50E2P5VI/OPower supplyE2PROM, DA converter power supply control.ON : L, OFF : Hi-Z 51DSII/OTo panelDSI control.ON : L, OFF : Hi-Z 52L_CEOTo panelChip enable output to LCD driver. 53L_INHOTo panelInhibit signal output to LCD driver.Normally : H, Rese

30、t, momentary power dropped : L 54VOL AITo panelVOL input. 55BVDD- 56BVSS- 57VOL BITo panelVOL input. 58M_RSTOCDReset output to CD mechanism.Normally : H, Reset : L (Per mechanism control) 59M_STOPOCDStop request to CD mechanism.Stop : L, CD : H 60CD_SW3ICDDC down switch detection.Chucking : H 61LO/E

31、JI/OCDCD mechanism loading/eject switch.Stop, brake : Hi-Z, Loading : L, Eject : H 62MOSWOCDCD mechanism motor driver switch.Loading, eject, brake : H MICROCOMPUTERS TERMINAL DESCRIPTION KDC-M7024/MP822 7 Pin No.Pin NameI/OModulePurpose / DescriptionTruth tableProcessing Operation 63FPM MOTOR BOP-me

32、chaFPM mechanism (Slider) control.e 64FPM MOTOR FOP-mechaFPM mechanism (Slider) control.e 65FPM MOTOR OOP-mechaFPM mechanism (Angle) control.e 66FPM MOTOR COP-mechaFPM mechanism (Angle) control.e 67 O_DATAI/OExtraExternal display data input/output.External display NCONC (Without external display mod

33、el)Output : L 68 O_CLKI/OExtraExternal display clock input/output.External display NCONC (Without external display model)Output : L 69 O_CEI/OExtraExternal display chip enable input/output.External display NCONC (Without external display model)Output : L 70M_MUTERICDMute request form CD mechanism. (

34、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 PHONEIExtraPHONE detection. TEL mute : 1V or less, NAVI mute : 2.5V or more, 76J type 1V or less, 2.5V or

35、more : NAVI mute NCINC (Without TEL-MUTE model)Connect to GND. 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 mechanism position de

36、tection.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.With station : 2.5

37、V 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 87 R_CLKITunerRDS decoder clock input. NCINC (Without RDS, RBDS model)Connecto to GND. 88LX_REQ_SILXReceive request from external slave.Request

38、 : L 89KEY_REQITo panelCommunication request from LCD driver 90CD_SW1ICDLoading switch detection.Loading start power off : L 91CD_SW2ICD12cm disc detection switch.12cm disc power off : L 92 R_QUALITunerRDS decoder QUAL input. NCINC (Without RDS, RBDS model)Connecto to GND. 93 R_DATAITunerRDS decoder

39、 data input. NCINC (Without RDS, RBDS model)Connecto to GND. 94LX_DATA_SILXData input from external slave. 95LX_DATA_MOLXData output to external slave. 96LX_CLKI/OLXClock input/output with external slave. 97L_DATALITo panelData input from LCD driver. 98L_DATASOTo panelData output to LCD driver. 99L_

40、CLKOTo panelClock output to LCD driver. 100PLL_CLKI/OTunerClock input/output with F/E. MICROCOMPUTERS TERMINAL DESCRIPTION KDC-M7024/MP822 8 Truth table w Destination port MODELDestinationDISPLAYTYPE2TYPE1TYPE0 KDC-X969KFL000 KDC-MP922KFL001 FX-9000JFL010 KDC-PSW9524EFL100 KDC-9023RM (E)FL101 KDC-X8

41、69KFL011 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 ANT_CON model) : L, E type (without ANT_CON model) : H Destination(IC2) TYPE0TYPE1

42、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 operation 01Forward operation 11Brake Angle FPM mechanism operation FPM MOTOR OFPM MOTOR

43、C 00Standby 10Angle open direction 01Angle close direction 11Brake MICROCOMPUTERS TERMINAL DESCRIPTION KDC-M7024/MP822 9 G MECHANISM MICROCOMPUTER : 703033BYGC-J02 (X32-541 : IC7) Pin No.Pin NameI/OUseProcessing Operation STBY Processing 1NCONot used.Fixed LowLow 2E2P_SCLOROM correction E2P IC2 cloc

44、k.Hi-Z 35NCONot used.Fixed LowLow 6VDD-5V 7GND-GND 8, 9NCONot used.Fixed LowLow 10PONOPower ON/OFF control.H : ON, L : OFFLow 11/PONOPower ON/OFF control.H : OFF, L : ONHigh 12LOE/LIM_SWIDown limit switch detection.L : Most Inner position detectionHi-Z 138EjE_SWINot used.Fixed LowHi-Z 14LOS_SWINot u

45、sed.Fixed LowHi-Z 1512EjE_SWINot used.Fixed LowHi-Z 16, 17NCONot used.Fixed LowLow 18IC/Vpp-Write voltage (Flash).- 19MUTE_LOL ch audio mute control.L : Mute ON, H : Mute OFFLow 20MUTE_ROR ch audio mute conrol.L : Mute ON, H : Mute OFFLow 2125NCONot used.Fixed LowLow 26EFLGIWMA error detection.H : E

46、rror, L : No errorHi-Z 27WAITIWait control signal detection.Hi-Z 28FOKIFocus condition detection.H : Focus OK, L : Focus NGHi-Z 29, 30NCONot used.Fixed LowLow 31RESETIReset detection.H : Normal, L : ResetHi-Z 32XT1INot used.Hi-Z 33XT2-Not used.- 34REGC- 35X2- 36X1IHi-Z 37Vss-GND 38VDD-5V 39NCONCOutp

47、ut stop.Low 40WRLOMultiplex WRITE signal._LBEN : 61002 (Not used), _WRL : 63760Out-Low 41NCONot used.Fixed LowLow 42R/WOMultiplex _R/W signal_R/W : 61002, _WRH : 63760 (Not used)Out-Low 43DSTB,RDOMultiplex DSTB or RD signal_DSTB : 61002, _RD : 63760Out-Low 44ASTBOMultiplex ASTB signalOut-Low 45, 46N

48、CONot used.Fixed LowLow 4754AD0AD7I/OMultiplex address/dataOut-Low 55BVdd-Bus interface power supply. MICROCOMPUTERS TERMINAL DESCRIPTION KDC-M7024/MP822 10 Pin No.Pin NameI/OUseProcessing Operation STBY Processing 56BVss-Bus interface GND. 5764AD8AD15I/OMultiplex data/addressOut-Low 65/HCSBOChip se

49、lect control.H : OFF, L : ONLow 66/CSOChip select control.H : OFF, L : ONLow 67DSP RESETODSP reset control.H : Normal. L : ResetLow 68REQIData transfer request input.Hi-Z 69DBBWRDY0IDBB00 register write permission input.Hi-Z 70DBBRRDY0IDBB00 register read permission input.Hi-Z 71Avdd- 72Avss- 73AvrefIA/D port reference voltage input. 74WTSIWMA table select.H : WMA8 table, L : WMA9 tableHi-Z 75MDL_SELIModel port changeover.H : 03 model, L : 02 modelHi-Z 76, 77NCINot used.Fixed LowHi-Z 78HOTITemperature rise detection.Detection voltage : 4V, Reset voltage 3.9VHi-Z 79NCINot used.Fixed