Kenwood-KDCX-959-Service-Manual(2) 电路图 维修手册.pdf

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1、 2002-3 PRINTED IN JAPAN B51-7931-00 (S) 3397 CD RECEIVER G KDC-X959/Z939,Z738,Z838W 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 t

2、he CD mechanism assembly service manual (X92-4450-0 x: B51-7889-00) for Z738. For such information, please refer to the CD mechanism assembly service manual (X92-4590-0 x: B51-7933-00) for KDC-X959/Z939, Z838W. Front glass (B10-4240-01) Panel assy (A64-2687-11) KDC-X959 Front glass (B10-4252-01) Pan

3、el assy (A64-2723-11) Z738 Front glass (B10-4242-01) Panel assy (A64-2689-11) Z838W Front glass (B10-4241-01) Panel assy (A64-2688-11) KDC-Z939 Screw set (N99-1723-05) : KDC-X959/Z939 Screw set (N99-1656-05) Lever (D10-4674-04)x2 Mounting hardware assy (J21-9823-03) Plastic cabinet assy (A02-2712-13

4、) Remote controller assy (A70-2026-05) : except KDC-X959 Remote controller assy (A70-2025-05) : KDC-X959 Escutcheon (B07-3050-02) : except KDC-X959 (B07-3057-02) : KDC-X959 DC cord (E30-6062-05) : KDC-X959 DC cord (E30-6063-05) : except KDC-X959 Antenna adaptor (T90-0523/0534/0552-05) : except KDC-X

5、959 RadioFans.CN 收音机爱 好者资料库 KDC-X959/Z939,Z738,Z838W 2 BLOCK DIAGRAM CH F/E FM+B PLL+B AM+B BUFF E-VOL DECODER RDS ISO AMP OEM EJECT 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 MEC

6、HA 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 SERVO AVR A8V SW14V DC/DC REG VOLTAGE 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

7、Q1 Q10-13 Q7,8 Q201,473,474 IC16305,306 IC20 IC21 EEP ROM IC25 Q101, P-CON ANT-CON EXCEPT KDC-X959/Z939 KDC-X959/Z939 ONLY Z838W/Z738 ONLY KDC-X959 ONLY EXCEPT KDC-X959 KDC-X959 EXCEPT Z738 ONLY EXCEPT Z738 MI-COM PANEL MI-COM OEL BUFFER KEY ILL KEY MATRIX SW REMO SPEANA BPF BUFFER SRAM ROM 3.3V REG

8、 RESET SW +B OEL PAN 5V Q703,704 Z738 EXCEPT EXCEPT Z738 IC4 IC3 IC9IC2 IC1 IC6 IC7 Q4,5,9 IC8 Q6,8 OEL 16V +B IC24 BU5V Q475,476 CONVERTER CD4.7V IC23,Q472 EXCEPT Z738 FLUSH ROM IC5 SDA SCL S-METER SW5V RDCK FM AM SW5V AUDIO OUT BACK UP DATA H DATA C MUTE CH SDA RDDA BU5V BU5V DSI EJECT G EJECT R/G

9、 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 +B -B BACK UP BU5VBU5V A8V +B -B SERVO MI-COM SW5V MI-COM BU5V P5V MI-COM REMO O-DATA O-CE O-CLK 1.8V PRE

10、 476mV274mV 676mV 1695mV 4.5V PRE 896mV 1695mV Z838W (E) 4.5V PRE AUX CHANGER 4.5V PRE1.8V PRE 3795mV 1512mV 866mV 896mV 274mV 1695mV QUAL ES OUT LEVELPRE OUT LEVEL M RST SW1 SW2 SW3 LO/EJ M STOP M SW MUTE R MUTE L KDC-X959 (K) CHANGER FM AM CD/MD AUX AM FM CHANGER AUX CD/MD 2361mV 722mV 4.5V PRE 44

11、69mV 848mV 1.8V PRE 1481mV 3717mV 1254mV 1781mV 4469mV GREEN RED KS1-KS4 KR1-KR5 F01-F06 WAVE CE SC REQ SC DATA PANRST REMO PANCON MC REQ MC CLK MC DATA RST WE D0-D15 A0-A20 OE CE RY WP D0-D15 WR RD RSTB RDY CE TEST RS WE A0-A20 LB UB CE OE D0-D15 P5V OEL 16V P5V OEL PAN 5V Z738 (E) CD4.7V OEL PAN 5

12、V OEL 16V CD4.7V MI-COM KDC-Z939 (M)KDC-Z939 (M) KDC-X959 (K) Z838W (E) 4.5V PRE Z738 (E) 476mV 676mV 1695mV KDC-X959 (K) KDC-Z939 (M) Z838W (E)Z738 (E) 4.5V PRE FCS FDIN FDOUT FCLK , , , , 251mV (E,M)TYPE 470mV (K)TYPE 215mV 1200mV 1200mV A8V RadioFans.CN 收音机爱 好者资料库 KDC-X959/Z939,Z738,Z838W 3 G SWI

13、TCH UNIT (X16-169X-XX) Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility IC1SI-3033LSA-TL3.3V AVR+3.3V Output IC2TC74HC4050AFTBuffer5V 3.3V logic level shifting IC3RS-171Remote sensor IC IC4BA3830FBPF ICBPF for the spectrum analyser indicator IC5M25P20Flush ROMFor custom dis

14、play data of the indicator IC6MX23L3213TI109ROMFor display data of the indicator IC7IS61LV641615TISRAMFor display data of the indicator IC8703107AGJ121Panel MI-COM. IC9TC7WT126FUBuffer3V 5V logic level shifting IC10TC7SH08F WE/WR control signal AND gate generation Q4DTC123JUAKey illumination Red SWW

15、hen a base goes Lo, Q4 is turned on, and key illumination Red is lit. Q5DTC123JUAKey illumination Green SWWhen a base goes Lo, Q5 is turned on, and key illumination Green is lit. Q6CPH3105 OEL+B SW When Q8s base goes Hi, Q6 is turned on, and OEL 16V power line is Q8DTC114EUA or UN5111supplied to OEL

16、 module. Q9DTC123JUAKey illumination Blue SWWhen a base goes Lo, Q9 is turned on, and key illumination Blue is lit. COMPONENT DESCRIPTION G ELECTRIC UNIT (X25-927X-XX) Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility IC1UPD703033GFA14System MI-COM.For KDC-X959/Z939, Z838W I

17、C1UPD703033GFA15System MI-COM.For Z738 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 & HPF(Front/Rear output), LPF, Non-Fader switching and volume function Non-Fader volume IC6IC

18、L7660SIBA-9V AVRDC/DC converter, -9V output 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

19、 for 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 A

20、UX inputs and CD inputs IC23SI-8033JDMECHA. AVRDC/DC converter, +5V output for CD mechanism adapted for MP3/WMA IC24LT1930AOEL AVRDC/DC converter, +16V output for OEL module IC25BR24C02F-WEEPROM Q12SD2375CD servo AVRAVR for CD mechanism servo operation, +7.5V output. Q32SA1037KSW 5V While a base goe

21、s 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 output. 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 UN5

22、112 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 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 OEL/Illumin

23、ation AVRWhen Q11s base goes Hi, AVR outputs +9V. Q112SC4081 Q12DTC124EUA or UN5212 OEL/Illumination AVR SW When Q12s base goes Hi, Q13 is turned on, and OEL/Illumination AVR Q13DTA124EUA or UN5112is working. Q14DTA123JK or KRA105SEXT. AMP CON. SWWhen a base goes Lo, Q14 is turned on, and control pu

24、lse signal is outputted. Q15DTC144EUA or UN5213Dimmer detection SWWhen vehicle small lamps turn on, Q15s base goes Hi, and it is turned on. RadioFans.CN 收音机爱 好者资料库 KDC-X959/Z939,Z738,Z838W 4 Q162SB1443 A.+10V AVRWhen Q17s base goes Hi, AVR outputs +10V. Q172SC4081 Q182SA1576A Q18 and Q20 work as a d

25、ifferential amplifier, Q19 works as a driver, Q192SC4081PRE-AMP -9V AVR and -9.3V is supplied to OP AMP. Q202SA1576A Q212SC4081 Q21and Q22 work as a differential amplifier, Q23 works as a driver, Q222SC4081PRE-AMP +9V AVR and +9.7V is supplied to OP AMP. Q232SA1576A Q262SB1277(Q,R) P-CON SW When Q29

26、s base goes Hi, Q26 is turned on, and P-CON signal is outputted. 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 po

27、wer ON. While BACKUP is applied, a base goes Hi, and Q30 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

28、 Ch.When BU detection SW or System RESET or MI-COM.s MUTE 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,

29、and Q35 is turned on. Q36DTC143TUA or UN5216Noise buffer 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 ba

30、se goes Hi, Pre-output is muting. Q40DTC143TUA or UN5216Audio 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

31、 muting. Q43DTC124EUA or UN5212 FM+B SW When Q43s base goes 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. Wor

32、ks during AM reception mode. Q52DTC143TUA or UN5216Composite signai 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

33、are selected. Q1112SB1277(Q,R) P-ANT SW When Q112s base goes 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. Q305

34、DTA114YUA or UN5114EJECT LED SW When a base goes Lo, Q305 is turned on, and EJECT illumination LED is lit. Q306DTA114YUA or UN5114EJECT LED SW When a base goes Lo, Q306 is turned on, and EJECT illumination LED is lit. Q472DTC144EUA or UN5213MECHA. AVR SWWhen a base goes Hi, Q472 is turned on, and ME

35、CHA. AVR operation stops. Q4732SC4081 BU 5V AVR While BACKUP is applied, AVR outputs +5V. Q4742SA2057Q473 and Q474 are inverted Darlington connection. Q4752SC4081 Voltage converterQ475 and Q476 work as voltage coverter for BU 5V AVR, and it output +9V. Q4762SA2057 Q7032SA2057 OEL PAN5V AVR While BAC

36、KUP is applied, AVR outputs +5V. Q7042SC4081Q703 and Q704 are inverted Darlington connection. Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility COMPONENT DESCRIPTION KDC-X959/Z939,Z738,Z838W 5 G IC8 (SWITCH UNIT: X16-169X-XX) Pin No.Pin NameI/ODescriptionProcessing Operation

37、 1-7D14-D8I/OData input/output with OEL, SRAM IC and ROM IC 8PAN3.3VDD-Positive power supply connection terminalConnected to 3.3V lines. 9VSS-Ground connection terminalConnected to GND lines. 10-17 D7-D0I/OData input/output with OEL, SRAM IC and ROM IC 18MODE2INot used(Pull down to GND lines) 19-21

38、NCONot used(N.C.) 22RSTB_OELI/OReset output to OELLo: Reset, Hi-Z: Normal operation 23,24NCI/ONot used(N.C.) 25SRAM_TESTIISRAM test terminalNot used(Pull down to GND lines) 26SRAM_TESTOOSRAM test terminalNot used(N.C.) 27PAN3.3VDD-Positive power supply connection terminalConnected to 3.3V lines. 28V

39、SS-Ground connection terminalConnected to GND lines. 29-33 KR1-5IKey return input 1-5 34NCONot used(N.C.) 35SRAM_CHONot used(N.C.) 36 16V OEL, I/OLED, OEL AVR ON/OFF control outputHi-Z: AVR OFF, Hi: AVR ON ILL BLUE 37PAN3.3VDD-Positive power supply connection terminalConnected to 3.3V lines. 38VSS-G

40、round connection terminalConnected to GND lines. 39NCONot used(N.C.) 40-43 KS4-1I/OKey scan output 4-1Lo: Scan ON, Hi-Z: Scan OFF 44,45NCONot used(N.C.) 46NMIINot used(Connected to GND lines) 47PAN3.3VDD-Positive power supply connection terminalConnected to 3.3V lines. 48VSS-Ground connection termin

41、alConnected to GND lines. 49CE_SDOData line chip select output to IC9Hi: SCDATA output enable 50NCONot used(N.C.) 51SCREQOCommunication request output to the system MI-COM.Lo: Standby, Hi: Request 52NCONot used(N.C.) 53MCREQICommunication request input from the system MI-COM.Hi: Request 54,55NCONot

42、used(N.C.) 56FCSI/OCS output to the flush ROM ICLo: Chip select 57MODE1INot used(Pull down to GND lines) 58MODE0INot used(Pull down to GND lines) 59PARSTIReset inputLo: Reset 60CKSELIClock generator operation mode setting terminalConnected to GND lines. 61CVDD-Positive power supply connection termin

43、alConnected to 3.3V lines. 62X2-Main clock resonator connection terminal 63X1IMain clock resonator connection terminal 64CVSS-Ground connection terminalConnected to GND lines. 65MCCLKIClock input from the system MI-COM. 66MCDATAIData input from the system MI-COM. 67SCDATAOData output to the system M

44、I-COM. 68FCLKOWrite clock output to the flush ROM IC 69FDATAINI/OData input from the flush ROM IC 70FDATAOUTOData output to the flush ROM IC 71AVDD-A/D converter positive power supply connection terminalConnected to 3.3V lines. 72AVSS-A/D converter ground connection terminalConnected to GND lines. 7

45、3ANI7IA/D converter analogue input terminalNot used(Connected to GND lines) 74WAVE INIAudio input 75F06IBPF(10kHz) input 76F05IBPF(3.3kHz) input 77F04IBPF(1kHz) input 78F03IBPF(330Hz) input 79F02IBPF(150Hz) input 80F01IBPF(63Hz) input 81PAN3.3VDD-Positive power supply connection terminalConnected to

46、 3.3V lines. MICROCOMPUTERS TERMINAL DESCRIPTION KDC-X959/Z939,Z738,Z838W 6 82VSS-Ground connection terminalConnected to GND lines. 83NCONot used(N.C.) 84SARSTOReset output to the BPF ICHi: Reset 85REMOIData input from the remote control light sensor 86NCINot used(N.C.) 87FROM_CHONot used(N.C.) 88NC

47、INot used(N.C.) 89,90 NCONot used(N.C.) 91RDY/RYIRDY signal input 92-94 NCONot used(N.C.) 95OE/RDI/ORead control output to OEL, SRAM IC and ROM ICLo: Read, Hi-Z: Other 96WE/WRI/OWrite control output to OEL and SRAM ICLo: Write, Hi-Z: Other 97UWE/LWRI/OWrite control output to OEL and SRAM ICLo: Write

48、, Hi-Z: Other 98PAN3.3VDD-Positive power supply connection terminalConnected to 3.3V lines. 99VSS-Ground connection terminalConnected to GND lines. 100RESET ROMI/OReset output to the ROM ICLo: Reset, Hi-Z: Normal operation 101WP ROMI/OBoot block, Write protectLo: Write, Hi-Z: Other 102,103NCONot use

49、d(N.C.) 104CS ROMOCS output to the ROM ICLo: Chip enable 105NCONot used(N.C.) 106CS RAMOCS output to the SRAM ICLo: Chip select 107CS OELOCS output to OELLo: Chip select 108UBEI/OBus enable output of D8-D15Lo: Permission, Hi-Z: Inhibit 109LBEI/OBus enable output of D0-D7Lo: Permission, Hi-Z: Inhibit 110REDO Illumination red ON/OFF output in case of two colours Lo: ON, Hi: OFF /Illumination ON/OFF output in case of one colour 111GREENO Illumination green ON/OFF output in case of two coloursLo: ON, Hi: OFF in case of two colours /Not used in case of one colour/Not used(N.C.) in case of o