Kenwood-DPX-8030-MD-Service-Manual 电路图 维修手册.pdf

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1、DPX-8030MD 2002-4 PRINTED IN JAPAN B51-7924-00 (4) 517 MD CD DSP RECEIVER C V o l u m e C o n t r o l COMPACT DIGITAL AUDIO TEXT SCRL DISP ANG SCNRDMG.RDMREP TUNE/SEEK M.RDM PWR OFF FM+ AM CRSC DISC ATT DSP EJECT CD EQSELS.A Anti-Theft System Installed NAME RTN ANGLE MD MD CD DSP RECEIVER50Wx4 MOS F

2、ETMDLP FNCCLK System Es+DEMO SRC AUD/overX This service manual dose not include information on the CD and MD mechanism assembly (exploded view, parts list, schematic diagram and mechanism oparation description). For such information, please refer to the CD mechanism assambly service manual (X92-4470

3、-00 : B51-7899-00) and MD mechanism assambly service manual (X92-4570-00 : B51-7887-00). KNOB (VOL.) (K23-1064-03) SCREW SET (N99-1724-05) PANEL ASSY (A64-2731-02) MACHINE SCREW (N09-6027-05) REMOTE CONTROLLER ASSY (A70-2028-05) ESCUTCHEON (B07-3025-02) DC CORD (E30-4939-05) SERVICE MANUAL RadioFans

4、.CN 收音机爱 好者资料库 2 DPX-8030MD DSP DATAIN DSP DATAOUT DSP CLK DSP SEL DSP RST A8V FM+B TUN5V AM+B CLK DATA FM AM FSD FMSD MD DET CD DET LED OPEN SP REQ SP DATA SP CLK SP INT CTS SC DATA RTS MC DATA SC CON FSD VREF PMDET PMOT2 PMOT1 PMODE OPEN SW SW1-3 AMUTE MRST MSTOP LO/EJ MOTOR DATA M M CLK M RST M S

5、TOP LOE SW A MUTE M DATA M CLK LOS SW LOAD EJECT CH TAPE SYSTEM u-COM BU5V VOL PWR IC MUTE F/E PRE OUT FRONT REAR/NF PRE OUT DSP A8V LPF BUFF u-COM LPF BUFF A8V DSPA3.3V ISO INPUT SEL SW AUX MD/CD CH ANALOG A8V MD DETLED UNIT A8V BU5V RST M+,M- P MECHA BU5V MATRIX KEY FL X25 UNIT REMOCON REMO+BBU5V

6、REMO+B RST SW 3.3V BUFF BU5V B. U. MUTE AMP CTRL SMALL DET LINE MUTEBU DET B. U. ANT CON SW14V A8V BU5V DSP3.3V CD SRV CD D+B DC/DC+B PON5V DC/DC MD SRV DSPA3.3V FM+B AM+B 1/2VCC FL55V FLFAC PANEL 5L DXM-6502W(J) BU5V,A8V SRV+B,SW5 E-VOL MDS-3200W SRV+B BU5V,A8V A8V ANALOG SW CD DET PON5V X16 FL55V

7、FL3.3VROM BU3.3V 3.3V BU5V MUTE LPF SYSTEM ES ACC DET P CON PN M DR. SW16V E-VOL MUTE DSPD3.3V DXM-6500W(M) FLFAC ILL+B IC2 IC1 IC5 IC12 IC10 IC11 IC3 IC9 IC14 IC4 IC6 IC4IC3 IC8 IC15 IC7 ATT. SP OUT AUX : 1494mV CH : 3512mV CD : 3512mV MD : 3512mV AUX : 511mV MD : 1346mV CD : 1346mV CH : 1346mV MD

8、: 786mV AM : 249mV CH : 786mV CD : 786mV FM : 352mV AUX : 298mV CH : 3277mV AUX : 1394mV CD : 1200mV MD : 1200mV AM : 170mV AUX : 455mV FM : 320mV CH : 1200mV FM : 603mV AM : 428mV AM : 626mV FM : 1979mV MD : 3277mV AM : 584mV CD : 3277mV FM : 1846mV BLOCK DIAGRAM RadioFans.CN 收音机爱 好者资料库 3 DPX-8030M

9、D COMPONENTS DESCRIPTION IC1 IC2 IC3 IC4 IC5 IC6 IC7 IC8 IC9 IC10 IC11 IC12 IC13 IC14 IC15 IC16 IC17 Q1 Q2 Q3 Q5 Q6 Q7 Q8 Q9 Q10 Q11,12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q52 Q53 Q54 - Input source switching, SP=OUT/PRE-OUT electronic volume. Generates BU 5V supply from B.UP, an

10、d AUD 8V supply and DSP(D)3.3V supply and PCON output. CD and MD input switching. N/F electronic volume. CD-CH and AUX input switching. L,R output low-pass filter. 2-ch analog input, 4-ch analog output. (pos/neg phase PWM output) LPF L,R channel reference supply. Front L,R output low-pass filter. Re

11、ar L,R output low-pass filter. BTL Power amplifier. WMA supply 5.0V, with variable output and on/off. - Output goes low on detecting voltage below 4.2 Volts. Audio mute & power IC mute control. DSP 3.3V supply. Switch turns on when BU voltage surges to approx. 18.2 to 18.9 volts or more, and turns o

12、ff BU detector switch. Base goes Hi, when BU voltage is applied and turns on. When an instantaneous voltage drop is detected and BU turns off or when shutoff, the base goes Lo and turns off. Base goes Hi, and transistor turns on when Acc voltage is applied. Base goes Hi, and transistor turns on when

13、 vehicle lights turn on. Turns on when base goes Lo and outputs control signal. Base goes Hi, and transistor turns on when P CON is output. - When base of Q8 goes Hi, Q7 turns on and P ANT output. Turns on when base goes Hi, and applies voltage to PON 5V line. Turns on when base goes Hi, and turns o

14、n CD servo 7.5 volt supply. When base of Q13 goes Hi, AVR output turns on. - When base of Q15 goes Hi, AVR output turns on. - Turns SW16V AVR on and off. Turns on when base goes Hi, and turns on the SW16V output. SW16V output turns on when Q18 base goes HI. - Turns on when base goes Hi, and turns on

15、 the 11 volt LED supply. Turns on when base of Q21 goes Hi and turns on the 11V output. - Turns on when base goes Hi, and turns on FAC11V. Turns on when base of Q24 goes Hi, and turns on FAC11V output. - Turns on when base goes Hi, and turns on the WMA DSP 5 volt supply. Turns on when base goes Hi,

16、and turns on LED of CD entrance. During AM operation, base goes Lo and turns on. During FM operation, base goes Lo and turns on. During FM/AM operation, base goes Hi, and Q52 or Q53 turn on and off. System -com Input selector & electronic volume Power supply IC Analog switch HPF and PRE-OUT (REAR NF

17、) Analog switch LPF DSP IC 4V AVR LPF LPF POWER IC 5-pin regulator Motor driver for panel mechanism Reset IC Logic IC 3-pin regulator Surge detector switch B.U/ACC detector switch Dimmer switch External amp control switch P CON detector switch P ANT switch P ANT switch P ON5V switch CD servo supply

18、7.5V on/off switch CD servo supply 7.5V AVR CD servo supply 7.5V AVR MD servo supply 5.0V AVR MD servo supply 5.0V AVR SW16V on/off switch SW16V AVR SW16V AVR Illumination 11V on/off switch Illumination 11V AVR Illumination 11V AVR FAC11V on/off switch FAC11V AVR FAC11V AVR WMA DSP 5V ON/OFF SW CD e

19、ntrance LED on/off switch AM +B SW FM +B SW FM/AM+B SW Ref No.Application/FunctionOperation/Condition/Compatibility SYNTHESIZER UNIT (X14-6980-21) RadioFans.CN 收音机爱 好者资料库 4 DPX-8030MD COMPONENTS DESCRIPTION IC1 IC2 IC3 IC4 IC5 Q1 Q2 Q3 Q4 Q5 Q6 Q7 PH1 PH3 Q101 Q102 Q201 Q202 Q301 Q302 Q401 Q402 Q403

20、,404 Q405 Q406,407 Q801 CD disc sensor MD disc sensor When sensor detects infrared light, optical current proportional to that current flows in collector. When sensor detects infrared light, optical current proportional to that current flows in collector. RST DRIVER RST SW Audio mute SW Audio mute S

21、W Audio mute SW Audio mute SW MD/CD analog selector switch CD-CH/AUX analog selector switch Electronic volume mute switch PWIC mute switch Mute driver Panel mechanism voltage selector Turns on when base goes Lo and sends a reset signal to the system -com/panel -com/changer. Turns on when base goes H

22、i and resets the system -com. Front L-ch mute, turns on when base goes Hi. Rear/nonfader L-ch mute, turns on when base goes Hi. Front R-ch mute, turns on when base goes Hi. Rear/nonfader R-ch mute, turns on when base goes Hi. Turns on when base goes Hi, controls IC4 output. Turns on when base goes H

23、i, controls IC6 output. Turns on when base goes Lo, sends mute signal to electronic volume mute SW. Turns on when base goes Hi. Turns on when base goes Lo, sends mute signal to audio mute SW. Turns on when base goes Hi, lowers the panel motor drive voltage. Logic IC (buffer) Power supply IC Panel -c

24、om Remote control IC Memory IC Panel -com reset switch PON 5 volt supply switch PON control switch FL+B (50V) supply switch FL+B (50V) control switch VFD BD section blanking switch DSI control switch Control signal voltage convertor for VFD, BD sections. (5V 3.3V) 3.3V AVR. (VDD1B 5V 3.3V) - Remote

25、control signal receiver & control signal output. - Turns on when base goes Hi and resets the Panel -com. Turns on when base goes Lo and turns on PON5V. Turns on when base goes Hi and turns on Q10. Turn on when base goes Lo, and turns on FL+B. Turn on when base goes Hi, and turns on Q3. Turns off whe

26、n base goes Lo, and turn on a light BD section. Turns on when base goes Hi, and turn on the DSI LED. Ref No.Application/FunctionOperation/Condition/Compatibility Ref No.Application/FunctionOperation/Condition/Compatibility Ref No.Application/FunctionOperation/Condition/Compatibility SWITCH UNIT (X25

27、-9320-00) SUB-CIRCUIT UNIT (X16-1710-00) 5 DPX-8030MD MICROCOMPUTERS TERMINAL DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 DSP RVDT DSP CLK DSP RST DSP XLAT CH DATAH CH DATAC CH CLK BYTE CNVss CH CON CH REQH RE

28、SET Xout Vss Xin Vcc NMI PN REQ SP INT CH REQC BU DET ACC DET ILLUMI AMP CTRL TEST BUZZ PWIC SVR PWIC STBY SCL SDA SYS-DATA PN-DATA PN CLK SYS REQ TEL DAOUT TEL DAIN PANT PCON IN PCON PON LAMP LED OPEN SI NC 500kHz L reset, Low pulse width : 450ms N5L: System controller output, O5L: Input,Input when

29、 not connected During normal operation: L, During flash writing: H L when not connected, H: during CH1 for O5L, Others: L Normally at H after N5L is recognized. L during system controller output L: Reset, reset voltage 4.2 volts L: Normally on H: Instantaneous port voltage H:ACC OFF L: Small ON L: T

30、est mode H: Non test mode H:ON 500kHz H: Use L: LOW fixed H: Use L: Input H: ANT ON L: ANT OFF H: Triggers protection circuit L: In normal operation Logic level when ON: H During ALL OFF is L (during TEL: H) H:ON H: ON (Illumi triggered) EPM terminal for flash writing ON if opened other than at CD E

31、ject position H: Lights up Fixed at LOW O O O O O I I/O I I O O I O I I I I I I I I I I O O O O O I/O I/O O I O O O I/O O I O O O O O O DSP data output terminal DSP clock output terminal DSP reset terminal Address data selector terminal External CH data output terminal External CH data input termina

32、l External CH clock I/O terminal External data bus pulse width switcher Processor mode switcher External CH selector terminal External CH transmit request terminal Reset input -com operating frequency (out) -com GND -com operating frequency (in) Positive power supply terminal NMI (non-maskable inter

33、rupt) terminal Panel communications line Spectrum analyzer request External CH receive request terminal Instantaneous port voltage detector terminal ACC detector terminal Illumination detector terminal External amp control Power IC control terminal Beep output Power IC control terminal Power IC stan

34、dby terminal I2C clock output terminal I2C data I/O terminal Panel communications data OUT terminal (Flash TxD) Panel communications data IN terminal (Flash RxD) Panel communications CLOCK (Flash SCLK) Panel communications control line (Flash BUSY) Hands-free data OUT terminal Hands-free data IN ter

35、minal Power antenna terminal External amp overcurrent terminal External amp current control terminal Power control terminal Lamp control terminal (Flash EPM) LED control terminal for CD, MD LED control terminal OPEN PIN No.I/OPin NameDescriptionProcessing Operation (X14-) IC1 : System -com 6 DPX-803

36、0MD MICROCOMPUTERS TERMINAL DESCRIPTION 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 SP REQ PN SCCON SEL E2PROM CD PON PMOT1 PMOT2 PM VR PMDET OPEN SW CD MOTOR CD LO/EJ CD LOE/LIM SW CD 8EJE SW CD MSTO

37、P CD AMUTEL CD LOS SW CD 12EJE SW CD AMUTER MD LOS/EJE SW MD AMUTE MRST MD MSTOP MD EJECT MD LOAD MD LOE/LIM SW TEL C TEL MUTE V DOWN V RST PLUG SW TYPE AUX CRSC SEL1 CRSC SEL2 NC TYPE TEL TYPE DIVER MUTE PW MUTE ASEL 1 ASEL 2 FM+B AM+B SD DIVER FSD OUT REFCON Active at L Writes at H L: ON H: Low to

38、rque L: Normal torque L: Panel mechanism H: No panel mechanism L: Panel full-open L: DISC in switch position L: DISC in switch position H: Now at CD source L: DISC in switch position L: 12cm H:8cm H: DISC inserted (during loading) L: Eject finish position (during eject) L: Mute ON (MD source only) L

39、: RESET H: MD mechanical startup L: No MDPACK H: MDPACK L: Private or POWER OFF H: TEL MUTE ON L: MUTE ON L: RESET PULG:H Bus:L H: AUX function present OPEN H: Yes L: No H: DIVER function present H: MUTE ON L: MUTE ON L: During ALL OFF & Instantaneous port voltage L: CD H:MD L: CH H:AUX H: FM (howev

40、er is Lo at AM+B: L) H: AM (however is Lo at FM+B: L) H: Station found L: DIVER ON H: DIVER OFF or during AM H: Station found (A/D input), Vth is by F/E setting Spectrum analyzer enable output Panel communications line (Flash CE) E2PROM inserted/not inserted CD WMA power supply control terminal Pane

41、l motor control terminal Panel motor control terminal Panel mechanism voltage control terminal Panel mechanism detect terminal Panel full-open detect terminal CD motor control terminal CD motor control terminal CD mechanism SW3 detect terminal (Clamping SW) CD mechanism detect terminal CD mechanism

42、control stop terminal CD mute request terminal CD loading detect terminal CD mechanism detect terminal (8cm/12cmSW) -com power supply CD Mute request terminal -com GND MD disc position detect output (load start switch) MD MUTE request terminal CD/MD -com RST terminal MD mechanism control stop termin

43、al MD motor control terminal MD motor control terminal MD mechanical detect terminal (clamping switch) Cell phone connection control terminal Cell phone mute terminal Mute terminal to Hands-free DSP IC Resets the Hands-free DSP IC Easy hands-free selector terminal AUX yes/no setting Destination sett

44、ing Destination setting Not used Cell phone yes/no setting DIVER yes/no setting Mute terminal Power IC mute control terminal INPUT selector terminal 1 INPUT selector terminal 2 FM power terminal AM power terminal Broadcast station detection terminal FM DIVER selector switch S meter input terminal A/

45、D reference voltage output O O I O O O O I I O I/O I I O I I I - I - I I O O O O I O O O O O I I I O I I O O O O O O I O I O PIN No.I/OPin NameDescriptionProcessing Operation 7 DPX-8030MD MICROCOMPUTERS TERMINAL DESCRIPTION 93 94 95 96 97 98 99 100 PMODE CD DET MD DET Avss LINE MUTE Vref Avcc NC (A/

46、D input) Vth is set in test mode L: CD present (A/D input) Vth: 2.2 volts L: MD present (A/D input) Vth: 2.8 volts OFF at 1.0 - 2.5 volts, ON at all other voltages Connect to GND potential Panel position sensor input terminal CD photosensor terminal MD detector terminal AD converter ground potential

47、 LINE MUTE ON/OFF detector terminal AD converter reference voltage AD converter positive power supply voltage Not used I I I I I - I I GS01 GCLK NC REMO GS02 NC GCLK NC GCP NC GBK BYTE CNVss NC NC RESET Xout Vss Xin Vcc NC(NMI) SP REQ SYS REQ PN SC CON NC SCL SDA GLAT SP INT NC DSP CLK SP DATA IN NC

48、 PN DATA Vcc SYS DATA Vss PN CLK PN REQ FL dot section data output terminal 1 FL dot section clock output terminal Not used Remote control signal input FL dot section data output terminal 2 Not used FL dot section clock input terminal Not used FL dot section gradation generation Not used FL dot sect

49、ion data blanking output GND potential GND Not used Not used -com Reset -com operating frequency (out) GND potential -com operating frequency (in) Positive power supply terminal Connect to 5 volt potential Spectrum analyzer enable input System controller communication request input System controller communication panel operation Not used E2PROM writing clock terminal E2PROM writing terminal FL dot data latch output Spectrum analyzer data request Not used Spectrum analyzer data input clock Spectrum analyzer data input Not used System control communication data output Positiv