Kenwood-KDCX-659-Service-Manual电路原理图.pdf

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1、 2002-3 PRINTED IN JAPANB51-7927-00 (S) 1727CD RECEIVERlKDC-MP819/X659/Z838SERVICE MANUALThis service manual does not include information on the CD mechanism assembly (exploded view, parts list,schematic diagram or mechanism operation description).For such information, please refer to the CD mechani

2、sm assembly service manual (X92-4460-0x: B51-7891-00).Front glass(B10-4207-01)Panel assy(A64-2644-11)KDC-MP819Front glass(B10-4212-01)Panel assy(A64-2649-11)KDC-Z838Front glass(B10-4206-01)Panel assy(A64-2643-11)KDC-X659Screw set(N99-1723-05)Screw set(N99-1656-05)Lever(D10-4674-04)x2Mountinghardware

3、 assy(J21-9823-03)Plasticcabinet assy(A02-2712-13)Remote controller assy(A70-2026-05): KDC-MP819Remote controller assy(A70-2025-05): KDC-X659/Z838Escutcheon(B07-3050-02): KDC-MP819/Z838(B07-3057-02): KDC-X659DC cord(E30-6062-05): KDC-MP819/X659DC cord(E30-6106-05): KDC-Z838KDC-MP819/X659/Z8382BLOCK

4、DIAGRAMCHF/EFM+BPLL+BAM+BE-VOLMI-COMISOAMPEJECT LEDDSI4.5V PREDC/DCACC DETDIMMERACCDIMMERPOWER ICPRE AMPPRE OUTSP OUTMUTEDRIVERNOISEBUFFERANT-CON ANT-CONP-CON P-CONIF+BCDMECHAAUXSWOP AMPESSPEANAAGC OP AMPMUTE4.5VBU DET BACK UPEX AMP CONTEX AMP CONTRESETDETPANELKEY ILLMATRIXKEYFLSWMI-COMPANELSPEANABP

5、FREMORESETREGSWBUFFER3.3VSWSERVOAVRCD5VBOXDC/DCA8VSW14VDC/DCREGBU5VSW5VPANEL5VQ43,44Q45,46IC1IC2Q36 IC8,Q34IC5Q37-42IC10-12IC4Q32,IC7 33,35Q15Q31Q30Q14Q111,112Q26-29Q3Q9IC3,Q4-6IC6,Q16-23Q1IC23,Q472A1 Q10-13Q7,8Q473,474IC16305,306IC1IC5IC2ED1Q1,2Q7-10IC3IC4IC20IC21EEP ROMIC25Q101,EXCEPT KDC-MP819EXC

6、EPT KDC-MP819EXCEPT KDC-MP819Q3KDC-MP819 ONLYKDC-MP819 ONLYSDASCLS-METERSW5VRDCKFMAMAUDIO OUTBACK UPDATA HDATA CMUTECHSDARDDABU5VBU5VDSI EJECT G EJECT R/GCD/MDFMAMBU5VPRE MUTEPMUTEPSTBYMUTEBEEPAUX SWCD-AUXE-VOL OUT LEVELA8VIFC OUTSW5VA8VSCLQUALAFSSERVOBU5VRchLchA8VCD5VA8VA8VREQ HRSTREQ CCH CONCLKA8V

7、A8V+B-BBACK UPBU5VBU5VMC REQSC CONFL+BREDSI2SI1CLKGREENKS1-KS4KR1-KR5F01-F06WAVEP5VMC CLKSC REQP RSTMC DATAGCPLATP5VREMOFL+BFACBKP5V A8V+B-BSERVOFACFL+BMI-COMCD5VMI-COMSW5VMI-COMBU5VP5VMI-COM613mV274mV2005mV3795mV1.8V PRE896mV1695mVKDC-X659 (K)4.5V PREAUXCHANGER4.5V PRECD/MDCHANGERAMFMAUX896mV274mV1

8、695mV2005mV613mV3795mV1.8V PRE 1.8V PRE3717mV1964mVCD/MDCHANGERFMAMAUX 4469mV722mV2361mV4.5V PRE600mVQUALES OUT LEVEL PRE OUT LEVELM RSTSW1SW2SW4SW3LO/EJM STOPM SWMUTE RMUTE LKDC-MP819 (K)KDC-Z838 (M)KDC-MP819 (K)KDC-Z838 (M)KDC-X659 (K)KDC-Z838 (M)KDC-X659 (K)KDC-MP819 (K)251mV (M)TYPE470mV (K)TYPE

9、215mV1200mV1200mVKDC-MP819/X659/Z8383l SWITCH UNIT (X16-168X-XX)Ref.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 TAR5S33 FL AVR +3.3V OutputIC2 TC74HC4050AFT Buffer For FL control lines, 5V 3.3V logic level shiftingIC3 RS-171 Remote sensor ICIC4 BA3830F BPF IC BPF for

10、 the spectrum analyser indicatorIC5 UPD703032GFA04 Panel MI-COM.Q1 DTA144EUA or UN5113FL+B SWFL & Illumination +B ON/OFF control. When Q2s base goes Hi, Q1 isturned on, and FL+B(45V) line is supplied to the FL indicator andQ2 DTC114YUA or UN5214the key illumination circuit.Q3 DTA114EUA or UN5111 REM

11、O SWWhen a base goes Lo, Q3 is turned on, and PAN5V line is supplied toIC3 and IC4.Q4 DTC114EUA or UN5211 FL blanking SW When a base goes Hi, Q4 is turned on, and FL indicator is lit.Q6 DTC114YK or UN2214 SRC key illumination SW When a base goes Hi, Q6 is turned on, and SRC illumination is lit.Q7 2S

12、C4081 V-I converter Current driver for green LEDsQ8 2SC4081 V-I converter Current driver for red LEDsQ9 DTA114EUA or UN5111 Key illumination Red SW When a base goes Lo, Q9 is turned on, and key illumination Red is lit.Q10 DTA114EUA or UN5111 Key illumination Green SW When a base goes Lo, Q10 is turn

13、ed on, and key illumination Green is lit.COMPONENT DESCRIPTIONl ELECTRIC UNIT (X25-9240-XX)Ref.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 UPD703033GFA17 System MI-COM.IC2 TDA7407 E-VOL.& N.C. MPXIC3 M5237ML AVR IC IC is combined with Q4, and it works as the error de

14、tection, the Q4s driver.IC4 TDA7560 Power ICIC5 TDA7401High pass filter &HPF(Front/Rear output), LPF, Non-Fader switching and volume functionNon-Fader volumeIC6 ICL7660SIBA DC/DC converter -9V AVR for pre-output amplifierIC7 TC74HC02AF Mute logic 2-input NOR x 4IC8 NJM4565M-TE2 Op. amp. Amplifier fo

15、r the spectrum analyser and generation of Vref. (1/2Vcc) voltageIC10 NJM4565M-TE2 Op. amp. Amplifier for the front pre-outputsIC11 NJM4565M-TE2 Op. amp. Amplifier for the non-fader pre-outputsIC12 NJM4565M-TE2 Op. amp. Amplifier for the rear pre-outputsIC16 S-80837ANNP Reset IC When BU 5V voltage is

16、 less than 3.7V, IC outputs Lo.IC20 BA3121F Isolation amplifier AUX inputs isolation amplifierIC21 BA3129F Switched op.amp. Input switching with AUX inputs and CD inputsIC23 SI-8050JD MECHA. AVR DC/DC converter, +5V output for CD mechanism adapted for MP3IC25 BR24C02F-W EEPROMQ1 2SD2375 CD servo AVR

17、 AVR for CD mechanism servo operation, +7.5V output.Q3 2SA1037K SW 5VWhile a base goes Lo, SW 5V is supplied to the microprocessorperipheral circuits.Q4 2SA2057 A.+8V AVR Q4 is combined with IC3, and it works as the power supply of +8.0V output.Q5 DTC144EUA or UN5213A.+8V AVR SW When Q5s base goes H

18、i, Q6 is turned on, and A.+8V AVR is working.Q6 DTA124EUA or UN5112Q7 DTA124EUA or UN5112SW14VWhen Q8s base goes Hi, Q7 is turned on, and A.+8V AVR, CD servoQ8 DTC124EUA or UN5212 AVR and A.+10V AVR are working.Q9 2SB1427 PAN5V SWFor PAN5V on/off switching. When a base goes Lo with panel attachedto

19、the set, Q9 is turned on, and PAN5V is supplied to the panel.Q10 2SA2057FL/Illumination AVR When Q11s base goes Hi, AVR outputs +9V.Q11 2SC4081Q12 DTC124EUA or UN5212FL/Illumination AVR SWWhen Q12s base goes Hi, Q13 is turned on, and FL/Illumination AVRQ13 DTA124EUA or UN5112 is working.Q14 DTA123JK

20、 or KRA105S EXT. AMP CON. SW When a base goes Lo, Q14 is turned on, and control pulse signal is outputted.Q15 DTC144EUA or UN5213 Dimmer detection SW When vehicle small lamps turn on, Q15s base goes Hi, and it is turned on.Q16 2SB1443A.+10V AVR When Q17s base goes Hi, AVR outputs +10V.Q17 2SC4081KDC

21、-MP819/X659/Z8384Ref.No. Component Name Application/Function Operation/Condition/CompatibilityCOMPONENT DESCRIPTIONQ18 2SA1576AQ18 and Q20 work as a differential amplifier, Q19 works as a driver,Q19 2SC4081 PRE-AMP -9V AVRand -9.3V is supplied to OP AMP.Q20 2SA1576AQ21 2SC4081Q21and Q22 work as a di

22、fferential amplifier, Q23 works as a driver,Q22 2SC4081 PRE-AMP +9V AVRand +9.7V is supplied to OP AMP.Q23 2SA1576AQ26 2SB1277(Q,R)P-CON SWWhen Q29s base goes Hi, Q26 is turned on, and P-CON signal is outputted.Q29 DTC114YUA or UN5214 Works during POWER ON mode.Q27 2SA1576A P-CON. protection SW Prot

23、ect Q26 by turning ON when P-CON output is grounded.Q28 DTA124EUA or UN5112 P-CON. protection inhibit SW Prevents Q27 tuning ON during start-up after power ON.While BACKUP is applied, a base goes Hi, and Q30 is turned on.Q30 2SC4081 BU detection SW When momentary power down has detected, a base goes

24、 Lo, andQ30 is turned off.Q31 2SC4081 ACC detection SW While ACC is applied, a base goes Hi, and Q31 is turned on.Q32 DTA124EUA or UN5112 Mute driver for R Ch. When BU detection SW or System RESET or MI-COM.s MUTE isQ33 DTA124EUA or UN5112 Mute driver for L Ch. working, a base goes Lo, and Q32 and Q

25、33 are turned on.Q34 2SC4081 AGC for spectrum analyserQ35 DTC124EUA or UN5212 E. VOL. mute SWWhen BU detection SW or MI-COM.s mute is working, a base goesHi, and Q35 is turned on.Q36 DTC143TUA or UN5216 Noise bufferQ37 DTC143TUA or UN5216 Audio mute SW (Front L) When Q37s base goes Hi, Pre-output is

26、 muting.Q38 DTC143TUA or UN5216 Audio mute SW (Front R) When Q38s base goes Hi, Pre-output is muting.Q39 DTC143TUA or UN5216 Audio mute SW (Non Fader R) When Q39s base goes Hi, Pre-output is muting.Q40 DTC143TUA or UN5216 Audio mute SW (Non Fader L) When Q40s base goes Hi, Pre-output is muting.Q41 D

27、TC143TUA or UN5216 Audio mute SW (Rear L) When Q41s base goes Hi, Pre-output is muting.Q42 DTC143TUA or UN5216 Audio mute SW (Rear R) When Q42s base goes Hi, Pre-output is muting.Q43 DTC124EUA or UN5212FM+B SWWhen Q43s base goes Hi, Q44 is turned on, and A.+8V is supplied toQ44 CPH3105 the F/E. Work

28、s during FM reception mode or RDS reception mode.Q45 DTC124EUA or UN5212AM+B SWWhen Q45s base goes Hi, Q46 is turned on, and A.+8V is supplied toQ46 CPH3105 the F/E. Works during AM reception mode.Q101 DTA114YUA or UN5114 DSI LED SW When a base goes Lo, Q101 is turned on, and DSI illumination LED is

29、 lit.Q103 DTC124EUA or UN5212 AUX/CD selector SWWhen a base goes Hi, AUX inputs are selected.When a base goes Lo, CD inputs are selected.Q111 2SB1277(Q,R)P-ANT SWWhen Q112s base goes Hi, Q111 is turned on, and P-ANT signal is outputted.Q112 DTC114YUA or UN5214 Works during FM/AM reception mode or RD

30、S reception mode.Q305 DTA114YUA or UN5114 EJECT LED SWWhen a base goes Lo, Q305 is turned on, and EJECT illuminationLED is lit.Q306 DTA114YUA or UN5114 EJECT LED SWWhen a base goes Lo, Q306 is turned on, and EJECT illuminationLED is lit.Q472 DTC144EUA or UN5213 MECHA. AVR SW When a base goes Hi, Q47

31、2 is turned on, and MECHA. AVR operation stops.Q473 2SC4081BU 5V AVRWhile BACKUP is applied, AVR outputs +5V.Q474 2SB1548(P) Q473 and Q474 are inverted Darlington connection.KDC-MP819/X659/Z8385l IC5 (SWITCH UNIT : X16-168X-XX)Pin No. Pin Name I/O Description Processing Operation1 SC DATA I/O Data i

32、nput/output with the system MI-COM.2 MC CLK I Clock input from the system MI-COM.3 NC O Not used(N.C.)4 DATA 1 O Data output 1 to the FL driver IC5 CLK O Clock output to the FL driver IC (Data shift by the rise edge of the pulse)6 NC O Not used(N.C.)7 DATA 2 O Data output 2 to the FL driver IC8 CLK

33、IN I Clock input from the FL driver IC (Data shift by the rise edge of the pulse)9 EVDD - Positive power supply connection terminal Connected to P5V lines.10 EVSS - Ground connection terminal Connected to GND lines.11 RED LED OIllumination red ON/OFF output in case of two colours/Illumination ON/OFF

34、 output in case of one colourLo: ON, Hi: OFF12 GREEN LED OIllumination green ON/OFF output in case of two colours Lo: ON, Hi: OFF in case of two colours/Not used in case of one colour /Not used(N.C.) in case of one colour13 REMO I Data input from the remote control light sensor14 LATCH O Latch outpu

35、t to the FL driver IC Lo: Latch, Hi: Through15 GCP O Control pulse output to the FL brightness16 REMO ON I/OPower supply ON/OFF output to the remote controlLo: ON, Hi-z: OFFlight sensor IC and BPF IC17-19 NC O Not used(N.C.)20 BLK O Display ON/OFF control output Lo: Display OFF, Hi: Display ON21 TES

36、T I Test terminal Not used(Connected to GND lines)22-33 NC O Not used(N.C.)34 RESET I Reset terminal Lo: Reset, Hi: Reset release35 XT1 - Sub clock resonator connection terminal Not used(Pull down to GND lines)36 XT2 - Sub clock resonator connection terminal Not used(N.C.)37 REGC -Capacitor connecti

37、on terminal for regulator insidemicroprocessor38 X2 - Main clock resonator connection terminal39 X1 - Main clock resonator connection terminal40 VSS - Ground connection terminal Connected to GND lines.41 VDD - Positive power supply connection terminal Connected to P5V lines.42-47 NC O Not used(N.C.)

38、48 FL +3.3V O FL VDD ON/OFF output Lo: OFF, Hi: ON49 FL+B I/O FL+B ON/OFF output Hi-Z: OFF, Hi: ON50-55 NC O Not used(N.C.)56 BLUE LED I/O Source key LED ON/OFF output Hi-Z: OFF, Hi: ON57 NC O Not used(N.C.)58 BVDD - Positive power supply connection terminal Connected to P5V lines.59 BVSS - Ground c

39、onnection terminal Connected to GND lines.60-71 NC O Not used(N.C.)72 SA RESET O Reset output to the BPF IC Hi: Reset73 NC O Not used(N.C.)74 AVDD - A/D converter positive power supply connection terminal Connected to P5V lines.75 AVSS - A/D converter ground connection terminal Connected to GND line

40、s.76 AVREF - A/D converter reference voltage input terminal77 F01 I BPF(63Hz) input78 F02 I BPF(150Hz) input79 F03 I BPF(330Hz) input80 F04 I BPF(1kHz) input81 F05 I BPF(3.3kHz) input82 F06 I BPF(10kHz) input83 WAVE IN I Audio input84 KR5 I Key return 5 input85 KR4 I Key return 4 input86 KR3 I Key r

41、eturn 3 input87 KR2 I Key return 2 inputMICROCOMPUTERS TERMINAL DESCRIPTIONKDC-MP819/X659/Z8386Pin No. Pin Name I/O Description Processing Operation88 KR1 I Key return 1 input89 SC REQ O Communication request output to the system MI-COM. Lo: Standby, Hi: Request90 NC O Not used(N.C.)91 SC CON I Cont

42、rol input from the system MI-COM. Hi: Operation mode92 NC O Not used(N.C.)93 SOURCE I Source key input Lo: Key OFF, Hi: Key ON94 VREF CON O A/D converter reference voltage control output Hi: Active, Connected to AVREF terminal95 MC REQ I Communication request input from the system MI-COM. Hi: Reques

43、t96 KS4 I/O Key scan output 497 KS3 I/O Key scan output 398 KS2 I/O Key scan output 299 KS1 I/O Key scan output 1100 MC DATA I Data input from the system MI-COM.MICROCOMPUTERS TERMINAL DESCRIPTIONl IC5 (ELECTRIC UNIT: X25-9240-XX)Pin No. Pin Name I/O Description Processing Operation1 MC DATA I/O Dat

44、a input/output with the panel MI-COM.2 MC CLK O Clock output to the panel MI-COM.Lo: DSI ON, Hi-Z: DSI OFF3 DSI GUIDE I/O DSI control output Lights on at the panel tilted during POWER ON mode.Flashing at the panel detached during POWER ON mode.Lo: ON, Hi-Z: OFF4 EJECT KEY G O Eject key illumination

45、green control output Lights on at the panel tilted during POWER ONmode in case of the key illumination green.5 EJECT KEY R/G O Eject key illumination red/green control outputLo: ON, H-Z: OFFLights on at the panel tilted during POWER ON mode.6MC REQI/OCommunication request output to the panel MI-COM.

46、 Hi: Request/FLIP DET /Flip detection input /Lo: Panel detached, Hi: Panel attached7 IC2 SDA I/O Data input/output with IC2, IC5, and IC258 IC2 SCL I/O Clock input/output with IC2, IC5, and IC259 EVDD - Positive power supply connection terminal Connected to BU 5V lines.10 EVSS - Ground connection te

47、rminal Connected to GND lines.11 PAN RESET O Reset output to the panel MI-COM. Lo: Reset or Momentary power down detected12 BEEP O BEEP output13 REMO I Data input from the wired remote control14 SVR O SVR output Not used(N.C.)15 DIMMER I Small lights detection input Lo: During vehicle small lamps tu

48、rn on16 PLL DATA I/O Data input/output with F/E17 PLL CLK I/O Clock input/output with F/E18 P-STBY O POWER IC STBY output Lo: Power IC OFF, Hi: Power IC ON or ALL OFF mode19 P-CON I/O P-CON outputHi-Z: POWER OFF mode or ALL OFF mode, Hi:POWER ON mode20 ANT-CON O ANT-CON outputHi: During TUNER mode o

49、r last FM mode withRDS/RBDS model21 TEST - Test terminal Not used(Connected to GND lines)22 P MUTE O POWER IC mute outputLo: Muting during POWER OFF mode, ALL OFFmode and TEL MUTE ON23 PAN5V I/O Panel 5V control outputLo: Panel attached normally, Hi-Z: Panel detachedor tiltedBass boost OFF_Hi: 160msec, Lo: 40msec24 EXT-AMP-CON O External amp. control output (in 200msec) Bass boost LOW_Hi: 130msec, Lo: 70msecBass boost HI_ Hi: 100msec, Lo: 100msec25 CD MECHA+B I/O CD4.7V ON/OFF outputLo: During CD source selected, Hi-z: Except CDsource selected26 EMUTE O Not