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    Kenwood-KDCX-559-Service-Manual电路原理图.pdf

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    Kenwood-KDCX-559-Service-Manual电路原理图.pdf

    © 2002-3 PRINTED IN JAPANB51-7928-00 (N)3382CD RECEIVERKDC-719/X559/Z737,Z638SERVICE 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 mechanism assembly service manual (X92-4450-0X: B51-7889-00).Front glass(B10-4209-01)Panel assy(A64-2646-11)KDC-719Front glass(B10-4213-01)Panel assy(A64-2650-11)KDC-X559Front glass(B10-4211-01)Panel assy(A64-2648-11)KDC-Z737Front glass(B10-4210-01)Panel assy(A64-2647-11)Z638Screw set(N99-1723-05): except Z638Screw set(N99-1656-05)Lever(D10-4674-04)x2Mountinghardware assy(J21-9823-03)Plasticcabinet assy(A02-2712-13)Remote controller assy(A70-2026-05): KDC-Z737,Z638Remote controller assy(A70-2025-05): KDC-719/X559Escutcheon(B07-3050-02): KDC-719/Z737,Z638(B07-3057-02): KDC-X559DC cord(E30-6062-05): KDC-X559/Z737DC cord(E30-6106-05): KDC-719DC cord(E30-6063-05): Z638Antenna adaptor(T90-0523/0534/0552-05): Z638KDC-719/X559/Z737,Z6382BLOCK DIAGRAMCHF/EFM+BPLL+BAM+BBUFFE-VOLDECODERRDSISOAMPOEMEJECT LEDDSIDISP4.5V PREDC/DC2WAY MUTEACC DETDIMMERTEL-MUTEACCDIMMERPOWER ICPRE AMPPRE OUTSP OUTMUTEDRIVERNOISEBUFFERANT-CON ANT-CONP-CON P-CONIF+BCDMECHAAUXSWOP AMPE'SSPEANAAGC OP AMPMUTE4.5VBU DETBACK UPEX AMP CONTEX AMP CONTNAVI MUTERESETDETPANELKEY ILLMATRIXKEYFLSWMI-COMPANELSPEANABPFREMORESETREGSWBUFFER3.3VSWSERVOAVRBOXDC/DCA8VSW14VDC/DCREGBU5VSW5VPANEL5VQ43,44Q45,46Q52IC14IC1IC2Q36 IC8,Q34IC5Q37-42IC10-12IC4Q32,IC7 33,35Q15Q31Q30Q14Q111,112Q26-29Q3Q9IC3,Q4-6IC6,Q16-23Q1A1 Q10-13Q7,8Q201,473-476IC16305,306IC1IC5IC2ED1Q1,2Q7-10IC3IC4IC20IC21EEP ROMIC25Q101,P-CONANT-CONZ638 ONLYEXCEPT KDC-X559/Z737KDC-X559/Z737 ONLYZ638 ONLYQ3EXCEPT KDC-719Z638ONLYZ638 ONLYZ638EXCEPTEXCEPT KDC-X559EXCEPT KDC-X559KDC-X559 ONLYKDC-X559 ONLYMI-COMSDASCLS-METERSW5VRDCKFMAMSW5VAUDIO OUTBACK UPDATA HDATA CMUTECHSDARDDABU5VBU5VDSI EJECT G EJECT R/GZ638 (E)CD/MDFMAM1512mV866mV3795mVBU5VPRE MUTEPMUTEPSTBYMUTEBEEPAUX SWCD-AUXE-VOL OUT LEVELA8VIFC OUTSW5VA8VSCLQUALAFSSERVOBU5VRchLchA8VA8VA8VREQ HRSTREQ CCH CONCLKA8VA8V+B-BBACK UPBU5VBU5VMC REQSC CONFL+BREDSI2SI1CLKGREENKS1-KS4KR1-KR5F01-F06WAVEP5VMC CLKSC REQP RSTMC DATAGCPLATP5VREMOFL+BFACBKP5VA8V+B-BSERVOFACFL+B MI-COMSW5VMI-COMBU5VP5VMI-COMREMOO-DATAO-CEO-CLK1.8V PRE613mV274mV2005mV3795mV1.8V PRE896mV1695mVKDC-719 (K)4.5V PREAUXCHANGER4.5V PRE 1.8V PRE3795mV1512mV866mV896mV274mV1695mV2005mV613mV3795mV1.8V PREQUALE'S OUT LEVEL PRE OUT LEVELM RSTSW1SW2SW4SW3LO/EJM STOPM SWMUTE RMUTE LKDC-X559 (K)KDC-Z737 (M)KDC-X559 (K)KDC-Z737 (M)Z638 (E)CHANGERFMAMCD/MDAUXKDC-719 (K)KDC-X559 (K)KDC-Z737 (M)Z638 (E)AMFMCHANGERAUXCD/MD2361mV722mV4.5V PRE4469mV848mV1.8V PRE1481mV3717mV600mV1964mV3717mV1.8V PREKDC-719 (K)251mV (E,M)TYPE470mV (K)TYPE215mV1200mV1200mVKDC-719/X559/Z737,Z6383COMPONENTS DESCRIPTIONRef.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 TAR5S33 FL AVR +3.3V OutputIC2 TC74HC4050AFT Buffer For FL control lines, 5V3.3V logic level shiftingIC3 RS-171 Remote sensor ICIC4 BA3830F BPF IC BPF for the spectrum analyser indicatorIC5 UPD703032GFA04 Panel MI-COM.Q1 DTA144EUA or UN5113FL+B SWFL & Illumination +B ON/OFF control. When Q2's base goes Hi, Q1 is turned on,Q2 DTC114YUA or UN5214 and FL+B (45V) line is supplied to FL indicator and the key illumination circuit.Q3 DTA114EUA or UN5111 REMO 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 2SC4081 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 turned on, and key illumination Green is lit.ELECTRIC UNIT (X25-924x-xx)Ref.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 UPD703033GFA18 System MI-COM.IC2 TDA7407 E-VOL.& N.C. MPXIC3 M5237ML AVR IC IC is combined with Q4, and it works as the error detection, the Q4's driver.IC4 TDA7560 Power ICIC5 TDA7401High pass filter & Non-FaderHPF (Front/Rear output), LPF, Non-Fader switching and volume functionvolumeIC6 ICL7660SIBA DC/DC converter -9V AVR for pre-output amplifierIC7 TC74HC02AF Mute logic 2-input NOR x 4IC8 NJM4565M-TE2 Op. amp. Amplifier for 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-outputsIC14 TDA7479D RDS decoderIC16 S-80837ANNP Reset IC When BU 5V voltage is 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 inputsIC25 BR24C02F-W EEPROMQ1 2SD2375 CD servo AVR 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 Q5's base goes Hi, Q6 is turned on, and A.+8V AVR is working.Q6 DTA124EUA or UN5112Q7 DTA124EUA or UN5112SW14VWhen Q8's 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 the set, Q9 is turned on, and PAN5V is supplied to the panel.Q10 2SA2057FL/Illumination AVR When Q11's base goes Hi, AVR outputs +9V.Q11 2SC4081SWITCH UNIT (X16-168x-xx)KDC-719/X559/Z737,Z6384Ref.No. Component Name Application/Function Operation/Condition/CompatibilityQ12 DTC124EUA or UN5212FL/Illumination AVR SW When Q12' base goes Hi, Q13 is turned on, and FL/Illumination AVR is working.Q13 DTA124EUA or UN5112Q14 DTA123JK 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, Q15's base goes Hi, and it is turned on .Q16 2SB1443A.+10V AVR When Q17's base goes Hi, AVR outputs +10V.Q17 2SC4081Q18 2SA1576AQ18 and Q20 work as a differential amplifier, Q19 works as a driver, andQ19 2SC4081 PRE-AMP -9V AVR-9.3V is supplied to OP AMP.Q20 2SA1576AQ21 2SC4081Q21and Q22 work as a differential amplifier, Q23 works as a driver, andQ22 2SC4081 PRE-AMP +9V AVR+9.7V is supplied to OP AMP.Q23 2SA1576AQ26 2SB1277(Q,R)P-CON SWWhen Q29's 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 Protect 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 Lo, and Q30is 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 Q33 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 goes Hi,and Q35 is turned on.Q36 DTC143TUA or UN5216 Noise bufferQ37 DTC143TUA or UN5216 Audio mute SW (Front L) When Q37's base goes Hi, Pre-output is muting.Q38 DTC143TUA or UN5216 Audio mute SW (Front R) When Q38's base goes Hi, Pre-output is muting.Q39 DTC143TUA or UN5216 Audio mute SW (Non Fader R) When Q39's base goes Hi, Pre-output is muting.Q40 DTC143TUA or UN5216 Audio mute SW (Non Fader L) When Q40's base goes Hi, Pre-output is muting.Q41 DTC143TUA or UN5216 Audio mute SW (Rear L) When Q41's base goes Hi, Pre-output is muting.Q42 DTC143TUA or UN5216 Audio mute SW (Rear R) When Q42's base goes Hi, Pre-output is muting.Q43 DTC124EUA or UN5212FM+B SWWhen Q43's base goes Hi, Q44 is turned on, and A.+8V is supplied toQ44 CPH3105 the F/E. Works during FM reception mode or RDS reception mode.Q45 DTC124EUA or UN5212AM+B SWWhen Q45's base goes Hi, Q46 is turned on, and A.+8V is supplied toQ46 CPH3105 the F/E. Works during AM reception mode.Q52 DTC143TUA or UN5216 Composite signal bufferQ101 DTA114YUA or UN5114 DSI LED SW When a base goes Lo, Q101 is turned on, and DSI illumination LED is 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 Q112's base goes Hi, Q111 is turned on, and P-ANT signal is outputted.Q112 DTC114YUA or UN5214 Works during FM/AM reception mode or RDS reception mode.Q201 2SC4081 BU5V discharge SW When BU OFF is detected, Q201 is turned on during the base Hi condition.Q305 DTA114YUA or UN5114 EJECT LED Red SW When a base goes Lo, Q305 is turned on, and EJECT illumination LED is lit.Q306 DTA114YUA or UN5114 EJECT LED Green SW When a base goes Lo, Q306 is turned on, and EJECT illumination LED is lit.Q473 2SC4081BU 5V AVRWhile BACKUP is applied, AVR outputs +5V.Q474 2SB1548(P) Q473 and Q474 are inverted Darlington connection.Q475 2SC4081Voltage converter Q475 and Q476 work as voltage coverter for BU 5V AVR, and it output +9V.Q476 2SB1548(P)COMPONENTS DESCRIPTIONKDC-719/X559/Z737,Z6385MICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O Description Processing Operation1 SC DATA I/O Data input/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 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 coloursLo: ON, Hi: OFF/Illumination ON/OFF output in case of one colourIllumination green ON/OFF output in case of twoLo: ON, Hi: OFF in case of two colours12 GREEN LED O colours/Not used (N.C.) in case of one colour/Not used in case of one colour13 REMO I Data input from the remote control light sensor14 LATCH O Latch output 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 TEST 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 connection 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.)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 connection terminal Connected to GND lines.60-71 NC O Not used (N.C.)IC5 (SWITCH UNIT: X16-168x-xx)KDC-719/X559/Z737,Z6386MICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O Description Processing Operation72 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 lines.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 return 3 input87 KR2 I Key return 2 input88 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 Control 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: Request96 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.IC5 (ELECTRIC UNIY: X25-9240-xx)Pin No. Pin Name I/O Description Processing Operation1 MC DATA I/O Data 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 green control output Lights on at the panel tilted during POWER ONmode in case of the key illumination green.7KDC-719/X559/Z737,Z638Pin No. Pin Name I/O Description Processing Operation5 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.6 MC REQ/FLIP DET I/OCommunication request output to the panel MI-COM. Hi: Request/Flip detection input /Lo: Panel detected, 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 terminal 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 turn 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 outputLo: Power IC OFF, Hi: Power IC ON or ALL OFFmode19 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: Dur

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