Kenwood-EZ-900-HDS-Service-Manual 电路图 维修手册.pdf

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1、 2005-1 PRINTED IN JAPAN B53-0237-00 (N) 609 CD RECEIVER Ez700SR/Ez900HDS SERVICE MANUAL Size AA battery (Not supplied) Plastic cabinet assy (A02-2735-03) Lever (D10-4589-04) x2 Screw set (N99-1757-05) Mounting hardware assy (J22-0011-03) CD MECHANISM EXTENSION CORD (24P) : W05-0934-00 MODELTDF PANE

2、L No.TDF NAME Ez700SR, Ez900HDSY33-2110-10TDF-EZ900 TDF PANEL INFORMATION Panel assy (A64-3386-22) : Ez900HDS (A64-3417-22) : Ez700SR DC cord (E30-6364-05) Screw set (N99-1764-05) Remote controller assy (RC-505) (A70-2059-05) Escutcheon (B07-3117-02) This product uses Lead Free solder. RadioFans.CN

3、收音机爱 好者资料库 Ez700SR/Ez900HDS 2 BLOCK DIAGRAM ALCRF/IFADCDD DEM TDM MRC DEC CH ARM DEM COFDM VCCVDD TDM COFDM -P MICRO SSI RST SSP 3.3V1.5V PON HRPON SRPON 7730 DIS for DL DIR I/F A8V D4.7V BU5V S7.5V D OUT CD AUDIO I2C 7730 RST SEL SRC A/DDD A/DANA FM/AM DEM BLEND BLEND 7730 BLEND 41.6MHz (IF for ANA

4、LOG) (IF for DIGITAL) IIS-2 I2C 5MHz SPAN SEL FUNC. LOCK 32.768kHz 20MHz MAIN SUB IC-2-5-2 I2C CD CH AUX MD INPUT SEL OUTPUT SEL TONE & & EQ 28.224MHz SAF3550 FLASH SDRAM DIGITAL DEC HR RST L R HD Y/N SIRIUS Y/N LX LX MUTE I2C MUTE OFFSET TYPE PRE MUTEL PRE MUTER A MUTE P MUTE P-STBY BEEP PANEL DET

5、FLIP DET DSI EJECT L CE L CLK L DATAS L DATAL KEY REQ VOL A/B DIM-CON REMO ILL CON PANEL5V RESET ACC DIMMER PHONE EXT. CONT BUP 10.3V BU5V 8V AM BEEP STBY MUTE THERMAL FL,FR, RL,RR OFFSET FL+/-,FR+/-, RL+/-,RR+/- BLEND AF HOLD,AF SAMPLE I2C AGC/KEYED AGC (IF PROCESSING) BLEND SEL DAC CH AUDIO AM SW1

6、/2 FAN CONT THERMAL PON 7730 PON HR/PON SR LX SNS-V REF-V SIRIUS CONTROL I2C TUNER/7730/3550 CONTROL TYPE TYPE 10A FUSE POWER CONTROL (To a DC/DC IC) ILL+B PAN5V CD MECHANISM CONTROL FAN CONT I2C LX MUTE 1 LX ANT. SIRIUS ANT. SENSE SIRIUS STANDARD MODULE (SSM) F/E BU LX CON REQ M/S DATA M/S MUTE AUD

7、IO L/R RST CLK LX-CN(5L) SR7.2V 5V for FAN HR1.8V CD5V SR1.5V 7730 1.8V SR 3.3V CD S7.2V HR5V HR8.5V HR3.3V HR8.5VHR5V SR3.3VSR1.5V 7V SR7.2V 5V (Series) (Series) 8.5V SW SW SW (DC/DC) 3.3V 1.5V 1.8V (DC/DC) SW (Series) 3.3V SW SW 5.2V (DC/DC) (DC/DC) 7.2V 3.3V (Series) SW BU BU3.3V AM SW1/2 (To CHA

8、NGE SWITCHING FREQ.) 7730 3.3V CD MECHA+B BU DIR AUDIO8V CD5V BU5V CD S7.5V DXM-6740V CD PLAYER UNIT E2PROM E2PROM HPF for Es LITE IDM HR3.3V 7730 1.8V AUX FRONT REAR SUB- WOOFER MUTE AUDIO8V BU3.3V PROTECT THERMAL 2ND E2P SYSTEM MICRO-P ACC DET ILLUMI DET TEL MUTE V-DIV EXT AMP CONT DC/DC DETDET SE

9、RGE DET BU SW SW DRIVER LED PANEL SW DET AUDIO8V 7.9V POWER SUPPLY IC BU GND P. CONT ANT CONT GND BU TEL MUTE EXT. CONT ILLUMI ACC FL+/-,FR+/-, IC RST RST POWER AMP BU HR1.8V 7730 3.3V Ez900HDS ONLY Ez900HDS ONLY BU5V RL+/-,RR+/- BU5V CD MECHA+B ILLMI10.3V FAN SW5V for FAN MUTE SUB MICRO-P A301 A302

10、 IC301 IC302,304 IC402 IC1 IC205 IC101IC501 DAUGHTER PANEL ASSY UNIT SWITCH UNIT ELECTRIC UNIT (X34-334) (X89-268) (X16-296) RadioFans.CN 收音机爱 好者资料库 Ez700SR/Ez900HDS 3 LEVEL DIAGRAM MAX TYP MIN GAIN FM AM LEVEL LEVEL GAIN MAX MIN TYP LEVEL GAIN MAX MIN TYP LEVEL GAIN MAX MIN TYP LEVEL GAIN MAX MIN T

11、YP HD SIRIUS CD CH AUX MECHA (Vrms) LEVEL SOURCEINPUT MULTI (Vrms) INPUT LEVEL GAIN (dB) INPUT LEVEL INPUT MULTI (Vrms) MAX (dB) GAIN VOL OUTPUT LEVEL (Vrms) GAIN (dB) OUTPUT LEVEL TONE (Vrms) GAIN (dB) TONE (Vrms) OUTPUT LEVEL GAIN (dB) OUTPUT LEVEL (Vrms) PREOUTIC2-5-2 (Vrms) OUTPUT LEVEL GAIN (dB

12、) 420 400 380 147 133 140 1000 950 1050 1000 1200 1400 810 710 910 1400 1000 1200 420 1400 1400 1000 1200 1000 1200 910 710 810 950 1000 1050 140 133 380 147 400 8 4 5 2 2 1055.0 1004.8 369.2 954.5 334.1 351.7 1164.1 1584.9 1505.6 1440.4 1262.6 1618.2 1510.7 1258.9 1510.7 1258.9 1762.5 1762.5 8 8 8

13、8 50 0 0 0 0 1876.1 4427.2 3162.3 3794.7 4427.2 3162.3 3794.7 3171.5 3618.1 4064.8 3782.0 3981.1 4180.1 594.1 625.4 656.6 1697.4 1786.7 3162.3 3794.7 4427.2 3162.3 3794.7 4427.2 3171.5 3618.1 4064.8 3782.0 3981.1 4180.1 594.1 625.4 656.6 1697.4 1786.7 1876.1 0 0 0 0 0 3162.3 3794.7 4427.2 3162.3 379

14、4.7 4427.2 3171.5 3618.1 4064.8 3782.0 3981.1 4180.1 594.1 625.4 656.6 1697.4 1786.7 1876.1 0 0 0 0 0 1876.1 1786.7 1697.4 656.6 625.4 594.1 4180.1 3981.1 3782.0 4064.8 3618.1 3171.5 4427.2 3794.7 3162.3 4427.2 3794.7 3162.3 -0.3 -0.3 -0.3 -0.3 -0.3 1812.4 4276.9 3054.9 3665.9 4276.9 3054.9 3665.9 3

15、063.8 3495.3 3926.8 3653.6 3845.9 4038.2 573.9 604.1 634.3 1639.8 1726.1 (a)VOLUME (Vrms) -10dB (a)/(b) (dB) (b)TARGET LEVEL (Vrms) 545.8 191.0 1216.2 1105.3 1159.3 1159.31140 1140 1140 1140 190 570 0.1 0.1 -0.4 0.0 0.6 -0.3 15 10 0 5 -15 -20 -10 -5 (TREBLE,MIDD,BASS) MAX MIN TYP FM AM CD MECHA SIRI

16、US CH AUX AUDIO LEVEL DIAGAM LEVEL(dB) TONEVOL OUT SET SPEAKER ATTCIRCUIT EXT PRE OUT INPUT MUX AUX CH MECHA CD 7730 HD RADIO - AM - FM SIRIUS IC2-5-2 RadioFans.CN 收音机爱 好者资料库 Ez700SR/Ez900HDS 4 SWITCH UNIT (X16-2960-10) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1LCD Drive

17、rDrives LCD IC2Remote Control ICControls the unit Q2REMO ON SWThe power supply of IC2 is turned on when base level goes “L” Q3Key Illumination SW (Red)Lights Red key-illumination when base level goes “H” Q4Key Illumination SW (Green)Lights Green key-illumination when base level goes “H” Q5Dimmer Con

18、trolLights LCD Back Light when base level goes “H” ELECTRIC UNIT (X34-3340-1x) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1Power Amp50W x 4 IC101Main -comPanel, CD mechanism, IC402 control, power supply management, etc. IC1022 input OR logic x 43 input, 2 output mute signa

19、l, L output: mute IC103Reset IC104E2PROMIC101 ROM correction IC105E2PROMIC101 security IC202regulatorFM/AM tuner 5V power supply IC203DC/DC ICServo, FM/AM_3.3V or SIRIUS_1.5V output control IC204DC/DC IC5V, 1.8V output control IC205regulatorBackup_5V, ILM, audio, DC/DC_IC power supply, P_con, P_ant

20、IC206regulatorSIRIUS_3.3V power supply IC207regulatorFM/AM tuner 8.5V power supply IC208regulatorBackup_3.3V power supply IC301Digital IF decoderA/D, Digital IF decoder, audio D/A, audio selector IC302DSPDigital FM/AM signal processing IC303128M SDRAMIC302 external RAM IC3048M Serial flash ROMIC302

21、boot ROM IC402Audio decoder“IC2v2” audio selector / filter / E-vol, etc. IC403Digital Interface ReceiverFor rewriting IC501 program, digital signal format conversion IC IC501Sub -comA301,302,IC301,302,403 control and power supply management IC502E2PROMTuner adjustment data storage, ROM correction IC

22、503Level shift3.3V 5V level conversion Q1Power SWON: DSI on / OFF: DSI off Q2-7MuteON: mute on / OFF: mute off Q8Power SWON: panel_5V on / OFF: panel_5V off Q9,10Mute SWON: mute on / OFF: mute off Q12Control SWON: ILLUMI power supply on / OFF: ILLUMI power supply off Q13Power SWON: ILLUMI power supp

23、ly on / OFF: ILLUMI power supply off Q202Power SWON: SW_5V on / OFF: SW_5V off Q203Power SWON: ANT_7V on / OFF: ANT_7V off Q204Control SWON: IC204 ch1 off / OFF: IC204 ch1 on COMPONENTS DESCRIPTION Ez700SR/Ez900HDS 5 Ref. No.Application / FunctionOperation / Condition / Compatibility Q205Logic rever

24、salON: IC203, 4 ch1 on / OFF: IC203,4 ch1 off Q206Control SWON: IC203 ch1 off / OFF: IC203 ch1 on Q207DC/DC drive FETDC/DC drive dual FET 7V output Q208DC/DC drive FETDC/DC drive dual FET 3.3 or 1.5V output Q209DC/DC drive FETDC/DC drive dual FET 5.2V output Q210DC/DC drive FETDC/DC drive dual FET 1

25、.8V output Q211Detection circuitON: normal / OFF: DC/DC abnormal output detection Q212Power SWON: fan_5V on / OFF: fan_5V off Q213Control SWON: fan_5V on / OFF: fan_5V off Q214Power SWON: CD_5V on / OFF: CD_5V off Q215Control SWON /OFF: IC203 oscillation frequency change Q216Control SWON /OFF: IC204

26、 oscillation frequency change Q217Control SWON: 3.3V output setting / OFF: 1.5V output setting Q218Power SWON: S_A3.3V on / OFF: S_A3.3V off Q219Power SWON: S_1.5V on / OFF: S_1.5V off Q220Control SWON: ANT_7V on / OFF: ANT_7V off Q222Power SWON: I_1.8V on / OFF: I_1.8V off Q223Power SWON: RF_8.5V o

27、n / OFF: RF_8.5V off Q224Control SWON: RF_8.5V on / OFF: RF_8.5V off Q225Power SWON: I_3.3V on / OFF: I_3.3V off Q226Current driveON: EXT_AMP on / OFF: EXT_AMP off Q227Detection circuitON: DIMMER on / OFF: DIMMER off Q228Detection circuitON: Excess current detection / OFF: normal Q229Detection circu

28、itON: normal / OFF: backup below power supply setting Q230Detection circuitON: normal / OFF: ACC below setting or off Q231Control SWON: P_CON on / OFF: P_CON off Q232Power SWON: IC301 _3.3V on / OFF: IC301 _3.3V off Q234Control SWON: S_A3.3V on / OFF: S_A3.3V off Q235Control SWON: IC301 _3.3V on / O

29、FF: IC301 _3.3V off Q236Control SWON: I_3.3V on / OFF: I_3.3V off Q237Control SWON: I_1.8V on / OFF: I_1.8V off Q238Control SWON: S_1.5V on / OFF: S_1.5V off Q239Control SWON /OFF: IC203 oscillation frequency change Q240Control SWON /OFF: IC204 oscillation frequency change Q302,303Control SWGate ON:

30、 UART communication on / OFF: UART communication off Q304,305Control SWGate ON: I2C communication on / OFF: I2C communication off Q306,307Control SWGate ON: UART communication on / OFF: UART communication off Q501Logic reversalON: RESET on / OFF: RESET off Q502Control SWON: LED on / OFF: LED off Q50

31、3-506Control SWGate ON: UART communication on / OFF: UART communication off Q507Power SWON: E2PROM on / OFF: E2PROM off COMPONENTS DESCRIPTION Ez700SR/Ez900HDS 6 MICROCOMPUTERS TERMINAL DESCRIPTION MAIN MICROCOMPUTER : 703030GC053A (X34 : IC101) Pin No.Pin NameModuleI/OApplication Truth Processing O

32、peration Description Value Table 1PLL CLKTUNERI/O CLK output terminal to F/E 2SPANOSPAN information output terminalL : K destination H : M destination or equivalent 3PANEL-DETEXTRAIPanel installation detection terminalPanel not installed : L Panel installed : H 4IC2 SDAAUDIOI/O Data input/output ter

33、minal with E-VOL 4IC2 SDACDI/OData input/output terminal with CD mechanism 4IC2 SDAEXTRAI/OData input/output terminal with ROM collection 5IC2 SCLAUDIOI/O CLK output terminal to E-VOL 5IC2 SCLCDI/O CLK output terminal to CD mechanism 5IC2 SCLEXTRAI/O CLK output terminal to ROM correction 6VDD- 7VSS-

34、 8FLIP-DETto PANELIFlip detection terminalL : Panel installed, H : Panel flippable 9BEEPAUDIOOBEEP output terminal 10REMOto PANELIRemote controller input 11,12NCODestinations other than E and E2 13L CEto PANELOCE output terminal to LCD driver 14,15NCONo variable model In FLIPDET “H”, when PANEL DET

35、is “L”, 16DSIto PANELI/O EJECTKEYILL, GUIDEILL, and DSIthen “H/“L” control terminalIn FLIPDET “H”, when PANEL DET is “H”, then “L” (When L, lighted up) 17DIM CONto PANELODimmer control terminal When ILL is On : With 50mS interval “H”/ “L”, When ILL is OFF : “H” 18TEST- 19ILL CONOILL+B off when flipp

36、edWhile FLIPDET is “L” : H 20,21VOL A, VOL Bto PANELIVolume key inputWhen looking at VOL, also look at FLIPDET. 22MOSWCDOCD mechanism MOTOR IC SWeLoading, eject, and brake : H 23LO/EJCDI/O CD mechanism LOADING and EJECT eSTOP, brake : Hi-Z, Loading : L, Eject : H switching 24M STOPCDOStop request to

37、 CD mechanism 25M RSTCDOReset output terminal to CD mechanismNormal : H, Reset : L 26MUTEAUDIOI/O Mute terminalHi-Z : Mute on, L : Mute off 27LOE/LIM SWCDICD DOWN SW detection terminalH : Chucking 28M-MUTE LCDIMute request terminal from CD mechanismL : Mute request 29M-MUTE RCDIMute request terminal

38、 from CD mechanismL : Mute request 30PANEL 5VPower supply I/O Panel 5V control terminalr Panel installed : L, Panel not installed or momentary power down : H 31RESETto PANELINormal : H, Reset : L 32,33XT1,XT2I32kHz 34REGC-1 condenser is to be connected to GND. 35,36X2,X1I20MHz 37VSS- 38VDD- 39CLKOUT

39、- 40,41IC2 TYPE1,IC2 TYPE0IE-VOL setting selection terminalThird party : L 4244 TYPE2TYPE0IDestination selection terminaly Ez700SR/Ez900HDS 7 Pin No.Pin NameModuleI/OApplication Truth Processing Operation Description Value Table 45CD MECHA+BPower supplyI/O Power supply control terminal for power tON

40、 : L, OFF : Hi-Z supply MP3 46SW5VPower supplyI/O SW5V control terminalON : L, OFF : Hi-Z 47,48PS2-0 (NC),PS2-1 (NC)Power supplyOPower IC control terminalw 4951 PS1-0PS1-2Power supplyOPower IC control terminalq 52B.U-DETEXTRAI Momentary power down detectionBU detected : L, BU not detected terminal(M

41、omentary power down) : H 53ACC-DETEXTRAIACC detection terminalACC exists : L, No ACC : H 54DIMMEREXTRAISmall detection terminalON : L, OFF : H 55BVDD- 56BVSS- 57EXT AMP CONEXTRAO 58NC (SVR)AUDIOOPOWER IC SVR control terminalMomentary power down : H 59P-MUTEAUDIOOPOWER IC MUTE output terminal When PO

42、WER OFF : L, When ALL OFF : L, When TEL MUTE : L 60P-STBYAUDIOOPOWER IC STBY output terminalPOWER IC ON : H POWER OFF : L 61NCO 62PRE MUTE RAUDIOORch PRE MUTE output Momentary power down : L, M-MUTE R : L (While playing CD), When in 2 zones : H-fixed 63PRE MUTE LAUDIOOLch PRE MUTE output Momentary p

43、ower down : L, M-MUTE L : L (While playing CD), When in 2 zones : H-fixed 64NC (AFS)TUNERO Constant switching terminal duringWhile in FM seek and AF search : L, noise detectionDuring reception : H 65O-DATAEXTRAI/O External display DATA terminal 66O-CLKEXTRAI/O External display CLK terminal 67O-CEEXT

44、RAI/O External display CE terminal 68LX_RSTLXOReset output to external devices Normally L, After system reset : H 400msec or more and then L. 69LX_CONLXOControl output to external devicesON : H, OFF : L 70AVCONTPower supplyOAD reference voltage control outputWhile in operation : H 71AVDD- 72AVSS- 73

45、AVREFPower supply-AD reference voltage control inputConnected to 70pin. 74PHONEEXTRAIPHONE detection terminal TEL MUTE : 1V or less, NAVI MUTE : 2.5V or more 75TYPE3IDestination switching terminaly 76DC_OFFSETIDC OFFSET detection terminal 7780 NCI Prior to initial contract (FA) with Sirius,H : LOCK,

46、 L : UN-LOCK (L while in low 81SR_F_LOCKEXTRAIreceiver function is restricted. Input forpower consumption mode), Threshold this from sub.value : 1.5V 82S-METER (NC)TUNERIS-meter detection terminalAccording to tuner control specification 83NOISE (NC)TUNERIFM noise detection terminalAccording to tuner

47、 control specification 84IFC-OUT (NC)TUNERIF/E IFC OUT input terminalAccording to tuner control specification 85LX_MUTELXIMUTE request from external devicesH : Mute ON, L : Mute OFF 86LX_REQ_MLXORequest output to external devicesRequest input pending : L 87NCODestination with no RDSDestination with

48、no RDS : Output L-fixed, MICROCOMPUTERS TERMINAL DESCRIPTION Ez700SR/Ez900HDS 8 Pin No.Pin NameModuleI/OApplication Truth Processing Operation Description Value Table 88LX_REQ_SLXIRequest input from external devicesRequest input pending : L 89KEY-REQto PANELICommunication request from LCD driverL :

49、KEY input 90LO.S SWCDILoading start SW detection terminalLoading start : L 9112EJE SWCDI 12cm DISC EJECT position detection 12cm DISC : L SW terminal 12 or 8cm disc detection 92EJECTCDIEJECT defection terminalL : KEY input 93NCOOther than J-destinationJ-destination : Output L-fixed 94LX_DATA_SLXIData input terminal from external devices 95LX_DATA_MLXOData output terminal for external devicesLast retained. 96LX_CLKLXI/O CLK input/output terminal with external devices 97L DATALto PANELIData input from LCD driver 98L DATASto PANELOData output terminal to LCD driver 99L CLKto PANELOLCD