Kenwood-KDCZ-638-Service-Manual(2) 电路图 维修手册.pdf

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1、 2002-3 PRINTED IN JAPAN B51-7928-00 (N) 3382 CD RECEIVER KDC-719/X559/Z737,Z638 SERVICE MANUAL This 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 C

2、D mechanism assembly service manual (X92-4450-0X: B51-7889-00). Front glass (B10-4209-01) Panel assy (A64-2646-11) KDC-719 Front glass (B10-4213-01) Panel assy (A64-2650-11) KDC-X559 Front glass (B10-4211-01) Panel assy (A64-2648-11) KDC-Z737 Front glass (B10-4210-01) Panel assy (A64-2647-11) Z638 S

3、crew set (N99-1723-05) : except Z638 Screw set (N99-1656-05) Lever (D10-4674-04)x2 Mounting hardware assy (J21-9823-03) Plastic cabinet assy (A02-2712-13) Remote controller assy (A70-2026-05) : KDC-Z737,Z638 Remote controller assy (A70-2025-05) : KDC-719/X559 Escutcheon (B07-3050-02) : KDC-719/Z737,

4、Z638 (B07-3057-02) : KDC-X559 DC cord (E30-6062-05) : KDC-X559/Z737 DC cord (E30-6106-05) : KDC-719 DC cord (E30-6063-05) : Z638 Antenna adaptor (T90-0523/0534/0552-05): Z638 RadioFans.CN 收音机爱 好者资料库 KDC-719/X559 /Z737,Z638 2 BLOCK DIAGRAM CH F/E FM+B PLL+B AM+B BUFF E-VOL DECODER RDS ISO AMP OEM EJE

5、CT LED DSI DISP 4.5V PRE DC/DC 2WAY MUTE ACC DET DIMMER TEL-MUTE ACC DIMMER POWER IC PRE AMP PRE OUT SP OUT MUTE DRIVER NOISE BUFFER ANT-CONANT-CON P-CONP-CON IF+B CD MECHA AUX SW OP AMP ES SPEANA AGC OP AMP MUTE 4.5V BU DET BACK UP EX AMP CONTEX AMP CONT NAVI MUTE RESET DET PANEL KEY ILL MATRIX KEY

6、 FL SW MI-COM PANEL SPEANA BPF REMO RESET REG SW BUFFER 3.3V SW SERVO AVR BOX DC/DC A8V SW14V DC/DC REG BU5V SW5V PANEL5V Q43,44 Q45,46 Q52 IC14 IC1 IC2 Q36IC8,Q34 IC5 Q37-42 IC10-12 IC4 Q32, IC733,35 Q15 Q31 Q30 Q14 Q111,112 Q26-29 Q3 Q9 IC3,Q4-6 IC6,Q16-23 Q1 A1Q10-13 Q7,8 Q201,473-476 IC16305,306

7、 IC1 IC5 IC2 ED1Q1,2 Q7-10 IC3 IC4 IC20 IC21 EEP ROM IC25 Q101, P-CON ANT-CON Z638 ONLY EXCEPT KDC-X559/Z737 KDC-X559/Z737 ONLY Z638 ONLY Q3 EXCEPT KDC-719 Z638 ONLY Z638 ONLY Z638 EXCEPT EXCEPT KDC-X559 EXCEPT KDC-X559 KDC-X559 ONLY KDC-X559 ONLY MI-COM SDA SCL S-METER SW5V RDCK FM AM SW5V AUDIO OU

8、T BACK UP DATA H DATA C MUTE CH SDA RDDA BU5V BU5V DSI EJECT G EJECT R/G Z638 (E) CD/MD FM AM 1512mV 866mV 3795mV BU5V PRE MUTE PMUTE PSTBY MUTE BEEP AUX SW CD-AUX E-VOL OUT LEVEL A8V IFC OUT SW5V A8V SCL QUAL AFS SERVO BU5V Rch Lch A8V A8V A8V REQ H RST REQ C CH CON CLK A8V A8V +B -B BACK UP BU5VBU

9、5V MC REQ SC CON FL+B RED SI2 SI1 CLK GREEN KS1-KS4 KR1-KR5 F01-F06 WAVE P5V MC CLK SC REQ P RST MC DATA GCP LAT P5V REMO FL+B FAC BK P5V A8V +B -B SERVO FAC FL+BMI-COM SW5V MI-COM BU5V P5V MI-COM REMO O-DATA O-CE O-CLK 1.8V PRE 613mV274mV 2005mV 3795mV 1.8V PRE 896mV 1695mV KDC-719 (K) 4.5V PRE AUX

10、 CHANGER 4.5V PRE1.8V PRE 3795mV 1512mV 866mV 896mV 274mV 1695mV 2005mV 613mV 3795mV 1.8V PRE QUAL ES OUT LEVELPRE OUT LEVEL M RST SW1 SW2 SW4 SW3 LO/EJ M STOP M SW MUTE R MUTE L KDC-X559 (K) KDC-Z737 (M) KDC-X559 (K) KDC-Z737 (M) Z638 (E) CHANGER FM AM CD/MD AUX KDC-719 (K) KDC-X559 (K) KDC-Z737 (M

11、) Z638 (E) AM FM CHANGER AUX CD/MD 2361mV 722mV 4.5V PRE 4469mV 848mV 1.8V PRE 1481mV 3717mV 600mV 1964mV 3717mV 1.8V PRE KDC-719 (K) 251mV (E,M)TYPE 470mV (K)TYPE 215mV 1200mV 1200mV RadioFans.CN 收音机爱 好者资料库 KDC-719/X559 /Z737,Z638 3 COMPONENTS DESCRIPTION Ref.No.Component NameApplication/FunctionOp

12、eration/Condition/Compatibility IC1TAR5S33FL AVR+3.3V Output IC2TC74HC4050AFTBufferFor FL control lines, 5V3.3V logic level shifting IC3RS-171Remote sensor IC IC4BA3830FBPF ICBPF for the spectrum analyser indicator IC5UPD703032GFA04Panel MI-COM. Q1DTA144EUA or UN5113 FL+B SW FL & Illumination +B ON/

13、OFF control. When Q2s base goes Hi, Q1 is turned on, Q2DTC114YUA or UN5214and FL+B (45V) line is supplied to FL indicator and the key illumination circuit. Q3DTA114EUA or UN5111REMO SW When a base goes Lo, Q3 is turned on, and PAN5V line is supplied to IC3 and IC4. Q4DTC114EUA or UN5211FL blanking S

14、WWhen a base goes Hi, Q4 is turned on, and FL indicator is lit. Q6DTC114YK or UN2214SRC key illumination SWWhen a base goes Hi, Q6 is turned on, and SRC illumination is lit. Q72SC4081V-I converterCurrent driver for green LEDs Q82SC4081V-I converterCurrent driver for red LEDs Q9DTA114EUA or UN5111Key

15、 illumination Red SWWhen a base goes Lo, Q9 is turned on, and key illumination Red is lit. Q10DTA114EUA or UN5111Key illumination Green SWWhen a base goes Lo, Q10 is turned on, and key illumination Green is lit. ELECTRIC UNIT (X25-924x-xx) Ref.No.Component NameApplication/FunctionOperation/Condition

16、/Compatibility IC1UPD703033GFA18System MI-COM. IC2TDA7407E-VOL.& N.C. MPX IC3M5237MLAVR ICIC is combined with Q4, and it works as the error detection, the Q4s driver. IC4TDA7560Power IC IC5TDA7401 High pass filter & Non-Fader HPF (Front/Rear output), LPF, Non-Fader switching and volume function volu

17、me IC6ICL7660SIBADC/DC converter-9V AVR for pre-output amplifier IC7TC74HC02AFMute logic2-input NOR x 4 IC8NJM4565M-TE2Op. amp.Amplifier for the spectrum analyser and generation of Vref. (1/2Vcc) voltage IC10NJM4565M-TE2Op. amp.Amplifier for the front pre-outputs IC11NJM4565M-TE2Op. amp.Amplifier fo

18、r the non-fader pre-outputs IC12NJM4565M-TE2Op. amp.Amplifier for the rear pre-outputs IC14TDA7479DRDS decoder IC16S-80837ANNPReset ICWhen BU 5V voltage is less than 3.7V, IC outputs Lo. IC20BA3121FIsolation amplifierAUX inputs isolation amplifier IC21BA3129FSwitched op.amp.Input switching with AUX

19、inputs and CD inputs IC25BR24C02F-WEEPROM Q12SD2375CD servo AVRAVR for CD mechanism servo operation, +7.5V output. Q32SA1037KSW 5V While a base goes Lo, SW 5V is supplied to the microprocessor peripheral circuits. Q42SA2057A.+8V AVRQ4 is combined with IC3, and it works as the power supply of +8.0V o

20、utput. Q5DTC144EUA or UN5213 A.+8V AVR SWWhen Q5s base goes Hi, Q6 is turned on, and A.+8V AVR is working. Q6DTA124EUA or UN5112 Q7DTA124EUA or UN5112 SW14V When Q8s base goes Hi, Q7 is turned on, and A.+8V AVR, CD servo Q8DTC124EUA or UN5212AVR and A+10V AVR are working. Q92SB1427PAN5V SW For PAN5V

21、 on/off switching. When a base goes Lo with panel attached to the set, Q9 is turned on, and PAN5V is supplied to the panel. Q102SA2057 FL/Illumination AVRWhen Q11s base goes Hi, AVR outputs +9V. Q112SC4081 SWITCH UNIT (X16-168x-xx) RadioFans.CN 收音机爱 好者资料库 KDC-719/X559 /Z737,Z638 4 Ref.No.Component N

22、ameApplication/FunctionOperation/Condition/Compatibility Q12DTC124EUA or UN5212 FL/Illumination AVR SWWhen Q12 base goes Hi, Q13 is turned on, and FL/Illumination AVR is working. Q13DTA124EUA or UN5112 Q14DTA123JK or KRA105SEXT. AMP CON. SWWhen a base goes Lo, Q14 is turned on, and control pulse sig

23、nal is outputted. Q15DTC144EUA or UN5213Dimmer detection SWWhen vehicle small lamps turn on, Q15s base goes Hi, and it is turned on . Q162SB1443 A.+10V AVRWhen Q17s base goes Hi, AVR outputs +10V. Q172SC4081 Q182SA1576A Q18 and Q20 work as a differential amplifier, Q19 works as a driver, and Q192SC4

24、081PRE-AMP -9V AVR -9.3V is supplied to OP AMP. Q202SA1576A Q212SC4081 Q21and Q22 work as a differential amplifier, Q23 works as a driver, and Q222SC4081PRE-AMP +9V AVR +9.7V is supplied to OP AMP. Q232SA1576A Q262SB1277(Q,R) P-CON SW When Q29s base goes Hi, Q26 is turned on, and P-CON signal is out

25、putted. Q29DTC114YUA or UN5214Works during POWER ON mode. Q272SA1576AP-CON. protection SWProtect Q26 by turning ON when P-CON output is grounded. Q28DTA124EUA or UN5112P-CON. protection inhibit SWPrevents Q27 tuning ON during start-up after power ON. While BACKUP is applied, a base goes Hi, and Q30

26、is turned on. Q302SC4081BU detection SWWhen momentary power down has detected, a base goes Lo, and Q30 is turned off. Q312SC4081ACC detection SWWhile ACC is applied, a base goes Hi, and Q31 is turned on. Q32DTA124EUA or UN5112Mute driver for R Ch.When BU detection SW or System RESET or MI-COM.s MUTE

27、 is Q33DTA124EUA or UN5112Mute driver for L Ch.working, a base goes Lo, and Q32 and Q33 are turned on. Q342SC4081AGC for spectrum analyser Q35DTC124EUA or UN5212E. VOL. mute SW When BU detection SW or MI-COM.s mute is working, a base goes Hi, and Q35 is turned on. Q36DTC143TUA or UN5216Noise buffer

28、Q37DTC143TUA or UN5216Audio mute SW (Front L)When Q37s base goes Hi, Pre-output is muting. Q38DTC143TUA or UN5216Audio mute SW (Front R)When Q38s base goes Hi, Pre-output is muting. Q39DTC143TUA or UN5216Audio mute SW (Non Fader R)When Q39s base goes Hi, Pre-output is muting. Q40DTC143TUA or UN5216A

29、udio mute SW (Non Fader L)When Q40s base goes Hi, Pre-output is muting. Q41DTC143TUA or UN5216Audio mute SW (Rear L)When Q41s base goes Hi, Pre-output is muting. Q42DTC143TUA or UN5216Audio mute SW (Rear R)When Q42s base goes Hi, Pre-output is muting. Q43DTC124EUA or UN5212 FM+B SW When Q43s base go

30、es Hi, Q44 is turned on, and A.+8V is supplied to Q44CPH3105the F/E. Works during FM reception mode or RDS reception mode. Q45DTC124EUA or UN5212 AM+B SW When Q45s base goes Hi, Q46 is turned on, and A.+8V is supplied to Q46CPH3105the F/E. Works during AM reception mode. Q52DTC143TUA or UN5216Compos

31、ite signal buffer Q101DTA114YUA or UN5114DSI LED SWWhen a base goes Lo, Q101 is turned on, and DSI illumination LED is lit. Q103DTC124EUA or UN5212AUX/CD selector SW When a base goes Hi, AUX inputs are selected. When a base goes Lo, CD inputs are selected. Q1112SB1277(Q,R) P-ANT SW When Q112s base g

32、oes Hi, Q111 is turned on, and P-ANT signal is outputted. Q112DTC114YUA or UN5214Works during FM/AM reception mode or RDS reception mode. Q2012SC4081BU5V discharge SWWhen BU OFF is detected, Q201 is turned on during the base Hi condition. Q305DTA114YUA or UN5114EJECT LED Red SWWhen a base goes Lo, Q

33、305 is turned on, and EJECT illumination LED is lit. Q306DTA114YUA or UN5114EJECT LED Green SWWhen a base goes Lo, Q306 is turned on, and EJECT illumination LED is lit. Q4732SC4081 BU 5V AVR While BACKUP is applied, AVR outputs +5V. Q4742SB1548(P)Q473 and Q474 are inverted Darlington connection. Q47

34、52SC4081 Voltage converterQ475 and Q476 work as voltage coverter for BU 5V AVR, and it output +9V. Q4762SB1548(P) COMPONENTS DESCRIPTION KDC-719/X559 /Z737,Z638 5 MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/ODescriptionProcessing Operation 1SC DATAI/OData input/output with the system MI-COM

35、. 2MC CLKIClock input from the system MI-COM. 3NCONot used (N.C.) 4DATA 1OData output 1 to the FL driver IC 5CLKOClock output to the FL driver IC (Data shift by the rise edge of the pulse) 6NCONot used (N.C.) 7DATA 2OData output 2 to the FL driver IC 8CLK INIClock input from the FL driver IC (Data s

36、hift by the rise edge of the pulse) 9EVDD-Positive power supply connection terminalConnected to P5V lines. 10EVSS-Ground connection terminalConnected to GND lines. 11RED LEDO Illumination red ON/OFF output in case of two colours Lo: ON, Hi: OFF /Illumination ON/OFF output in case of one colour Illum

37、ination green ON/OFF output in case of two Lo: ON, Hi: OFF in case of two colours 12GREEN LEDOcolours /Not used (N.C.) in case of one colour /Not used in case of one colour 13REMOIData input from the remote control light sensor 14LATCHOLatch output to the FL driver ICLo: Latch, Hi: Through 15GCPOCon

38、trol pulse output to the FL brightness 16REMO ONI/O Power supply ON/OFF output to the remote control Lo: ON, Hi-Z: OFF light sensor IC and BPF IC 17-19NCONot used (N.C.) 20BLKODisplay ON/OFF control outputLo: Display OFF, Hi: Display ON 21TESTITest terminalNot used (Connected to GND lines) 22-33NCON

39、ot used (N.C.) 34RESETIReset terminalLo: Reset, Hi: Reset release 35XT1-Sub clock resonator connection terminalNot used (Pull down to GND lines) 36XT2-Sub clock resonator connection terminalNot used (N.C.) 37REGC- Capacitor connection terminal for regulator inside microprocessor 38X2-Main clock reso

40、nator connection terminal 39X1-Main clock resonator connection terminal 40VSS-Ground connection terminalConnected to GND lines. 41VDD-Positive power supply connection terminalConnected to P5V lines. 42-47NCONot used (N.C.) 48FL +3.3VOFL VDD ON/OFF outputLo: OFF, Hi: ON 49FL+BI/OFL+B ON/OFF outputHi-

41、Z: OFF, Hi: ON 50-55NCONot used (N.C.) 56BLUE LEDI/OSource key LED ON/OFF outputHi-Z: OFF, Hi: ON 57NCONot used (N.C.) 58BVDD-Positive power supply connection terminalConnected to P5V lines. 59BVSS-Ground connection terminalConnected to GND lines. 60-71NCONot used (N.C.) IC5 (SWITCH UNIT: X16-168x-x

42、x) KDC-719/X559 /Z737,Z638 6 MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/ODescriptionProcessing Operation 72SA RESETOReset output to the BPF ICHi: Reset 73NCONot used (N.C.) 74AVDD-A/D converter positive power supply connection terminalConnected to P5V lines. 75AVSS-A/D converter ground con

43、nection terminalConnected to GND lines. 76AVREF-A/D converter reference voltage input terminal 77F01IBPF (63Hz) input 78F02IBPF (150Hz) input 79F03IBPF (330Hz) input 80F04IBPF (1kHz) input 81F05IBPF (3.3kHz) input 82F06IBPF (10kHz) input 83WAVE INIAudio input 84KR5IKey return 5 input 85KR4IKey retur

44、n 4 input 86KR3IKey return 3 input 87KR2IKey return 2 input 88KR1IKey return 1 input 89SC REQOCommunication request output to the system MI-COM.Lo: Standby, Hi: Request 90NCONot used (N.C.) 91SC CONIControl input from the system MI-COM.Hi: Operation mode 92NCONot used (N.C.) 93SOURCEISource key inpu

45、tLo: Key OFF, Hi: Key ON 94VREF CONOA/D converter reference voltage control outputHi: Active, Connected to AVREF terminal 95MC REQICommunication request input from the system MI-COM.Hi: Request 96KS4I/OKey scan output 4 97KS3I/OKey scan output 3 98KS2I/OKey scan output 2 99KS1I/OKey scan output 1 10

46、0MC DATAIData input from the system MI-COM. IC5 (ELECTRIC UNIY: X25-9240-xx) Pin No.Pin NameI/ODescriptionProcessing Operation 1MC DATAI/OData input/output with the panel MI-COM. 2MC CLKOClock output to the panel MI-COM. Lo: DSI ON, Hi-Z: DSI OFF 3DSI GUIDEI/ODSI control outputLights on at the panel

47、 tilted during POWER ON mode. Flashing at the panel detached during POWER ON mode. Lo: ON, Hi-Z: OFF 4EJECT KEY GOEject key illumination green control outputLights on at the panel tilted during POWER ON mode in case of the key illumination green. 7 KDC-719/X559 /Z737,Z638 Pin No.Pin NameI/ODescripti

48、onProcessing Operation 5EJECT KEY R/GOEject key illumination red/green control output Lo: ON, H-Z: OFF Lights on at the panel tilted during POWER ON mode. 6MC REQ/FLIP DETI/O Communication request output to the panel MI-COM.Hi: Request /Flip detection input/Lo: Panel detected, Hi: Panel attached 7IC

49、2 SDAI/OData input/output with IC2, IC5, and IC25 8IC2 SCLI/OClock input/output with IC2, IC5, and IC25 9EVDD-Positive power supply connection terminalConnected to BU 5V lines. 10EVSS-Ground connection terminalConnected to GND lines. 11PAN RESETOReset output to the panel MI-COM.Lo: Reset or Momentary power down detected 12BEEPOBEEP output 13REMOIData input from the wired remote control 14SVROSVR outputNot used (N.C.) 15DIMMERISmall lights detection inputLo: During vehicle small lamps turn on 16PLL DATAI/OData input/output with F/E 17PLL CLKI/OClock input/output with F/E 18P-STBYOPOWER IC