Kenwood-DDX-7045-Service-Manual(1) 电路图 维修手册.pdf

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1、 2004-5 PRINTED IN JAPAN B53-0169-00 (N) 2703 MONITOR WITH DVD RECEIVER DDX7015/7025/7035 SERVICE MANUAL /7045/7065 F2 DC cord (E30-6342-05) Screw set (N99-1754-05) Remote controller assy (A70-2064-05) Panel assy (A64-3302-12): DDX7025, (A64-3341-12): DDX7015, (A64-3342-12): DDX7045 (R) (A64-3343-12

2、): DDX7035, (A64-3344-12): DDX7065, (A64-3345-12): DDX7045 (X) Antenna adaptor (T90-0512-05) Mounting hardware assy (J22-0171-03) Lever (D10-4589-04) Escutcheon assy (B07-3046-04) F2 DC cord (E30-6343-05) DC cord (E30-6341-15) (RC-DV420) Escutcheon (B07-3105-02) Depends on the model. Refer to the pa

3、rts list. RadioFans.CN 收音机爱 好者资料库 2 DDX7015/7025/7035 DDX7045/7065 BLOCK DIAGRAM POWER SUPPLY (X14-939) VIDEO CONTROL UNIT from X14 MCU MOTOR DRIVER from X14 MCU OR to X14 MCUfrom X14 MCU to ROM WRITER RGB SW CLAMP (E) TYPE ONLY +DRIVER+MUTE LPF+6dB amp ENCODER VIDEO DECODER MPEG OSC 27MHz SYS COM E

4、EPROM 2ch AUDIO DAC MUTE OPT DRIVER to BOX MCU to X34 (ELECTRIC UNIT) to X14 MCU DC CONNECTOR TRANCE DC/DC DC/DC REG REG REGSRAM MPU to X16 (SUB CIRCUIT UNIT) to X35 (VIDEO UNIT) LB1836 OSD IC LC74735NW9817EMB29LV8T9TN6R FROM DC/DC CHROMA & AN2546FH-AV IC NJW1303V SYNC SEP MM1234XFBE RGB SW E2PROM M

5、M1389XFBE 70F3089YGJ-7R5 SYS COM ADV7170KSU ES6218SF MT48LC4M16T75I SDRAM 29LV160AT17R2 FLASHSRAM K6F1008V2CYF55 MM1567AJBE AK4382AVT FPGA M4A3212V18TV1 NJM4580V LPF to MECHA IC200 IC303IC400IC401 IC102 IC100 IC104 IC108 IC101 IC103 IC701 IC703 IC521 IC770 IC520 IC200 IC204 IC541 IC560 IC601IC652 IC

6、650 IC304 IC362 IC204 IC202 I/F CONNECTOR CN501 to DVD MECHANISM ASSY IC750 LCD CONTROL LCD CS LCD DATA LCD CLK EJECT KEY CONTROL SRC RESET KEY2 REMO LED R,G,B LED SW SRM MO12 SRM MO11 2 OSD DATA OSD CLK OSD CS OSD RST OSD RG HD,VD HSY,VSY RGB VCO CLAM POLC POLS 3 BLK (MASK) VMUTE CSYNC BU5V KEY3 KE

7、Y4 SRC LCD PON MIRROR REMO MEC SW D XDATA,YDATA POS D NTSC PAL HPOSI1,2,3,4 MODE1,2,3 X0,Y0,Y1 PWM SCL SDA (12C BAS) M CLK FROM VPP S DATA M DATA RESET SYNC SW TV,NAVI RG COMPOSIT DVDRGB DVDCOMP V DVDRGB DVDCOMP V CCIR601 7:0 VCLOCK VSYNC HSYNC DATABUS 15:0 SDRAM CLK RGB SW VIDEO ATAPI I/F LOCAL I/F

8、 BCLK DATAI LRCLK MCLK SPDIF R REQ M CLK S DATA S REQ M DATA SYS ON ADACML ADACMC ADACMD ADACRST 27MHz CS CPUA 1:0 CPUA17 CPUD 3:0 SYSTEM DATABUS 15:00 REMO ACC DET REV DET PRK DET ACC REVERSE ILLUMI BU14.4 GND PRK SW +14.4 PON 8.5V PON +14.4SW5V MECHA7V +14.4 PONSW3 +7.5V SW2V +7V-7V BU5V BU3.3V +1

9、4.4 NTSC/PAL AUDIO DOWN MIX SI GND ACC BU14.4 VIDEO CONTROL UNIT RadioFans.CN 收音机爱 好者资料库 3 DDX7015/7025/7035 DDX7045/7065 ELECTRIC UNIT (X34-316) LX I/F NAVI I/F u-COM u-COM u-COM to X14 to TV u-COM AUDIO SELECTOR u-COM SELECTOR AUDIO AUDIO SW2 AUDIO SW1 VISUAL SW1VIDEO SW SYSTEM u-COM VISUAL SW2VID

10、EO SW SYSTEM u-COM RGB SW u-COM V R L AV IN VIDEO SW u-COM SYNC SEP. MM1108XFFE INPUT SELECTOR SELECTOR OUTPUT SOFT MUTE u-COM BUFF u-COM PROCESSOR AUDIO HPFILTER LPFILTER u-COM MUTE MUTE MUTE MUTE PRE L R FRONT R L REAR R L NF PRE OUT R L V AV OUT MUTE MUTE SUB OUT 75 BUFF DRIVER u-COM u-COM u-COM

11、u-COM SYSTEM BUFF RDS DECODER u-COM (F/R) POWER IC SP OUT (F/E) SW5Vu-COM u-COM ANT IN u-COM 4ch OUT 6dB AMP 75 NJM2267Vx2 IC300 (E)TYPE ONLY BA3121F ISO AMP TC4052BFT TC4052BFT BA7652F BA7612F MM1234XFBE MM1503 DRIVER BA3121F ISO AMP BA3121F ISO AMP TC7SH08F BUFF E-TDA7414 TDA7401 TB2903H TDA7479D

12、BA3129Fx2 NJM4565V 1/2 VCC u-COM IC501 IC555 IC553 IC200 IC103 IC552 IC551 IC450,451 IC301 IC554 IC550IC250 NJM4565x2 BUFFER u-COM HA12187FP u-COM PORT VOLTAGE INSTANTANEOUS INSTANTANEOUS PORT VOLTAGE MUTEu-COM MZ BUS L,R ONLY GSM DSP BOX ON IC703,704 IC705 IC700,701 3 8RESET MUTE REQC REQH DATAC DA

13、TAH CLK CHCON 3 3 2TX RX RESET REMO MUTE M CON M CLK M DATAH M DATAC M REQH M REQC OOMP GND COMP V COMP GND COMP V RGB GND B G R DVD R DVD L 3 3 7 TV L TV R TV COMP V R G B SC DATA SC REQ MC DATA MC REQ BP CLK SC CON (REMO) RESET 6 3 3 0 1 2 3 2 3 0 2 1 2 3 S2 1 S1 2 2 3 S1 S2 1 2 SW 3 CTL 1 2 CD- A

14、UX CD MD MPX/A MAIN SELECTO SELECTO SUB 2 2 ACIN 0 ACIN 1 ACIN 2 ACIN 3 MID REAR FRONT FREE SMETER QUAL DCERR AFS SMUTE SDA SCL WIN IN 6 2 2 2 AB 2 BA HP-FL HP-FR HP-RL HP-RR AUX-L AUX-R NF FRONT REAR SDA SCL 2 2 2 2 IN (FRONT) IN (REAR) DC OFFSET STBY SVR PMUTE BEEP 4 3 MPX RDCL RDDA QUAL OUT 16 SM

15、ETER A OUT IF COUNT SDA SCL AM IN FM IN VDD 5V 4 ILL GND B.U LINE MUTE EXT AMP CONT P.CON ANT.CON FL,FR,RL,RR 6 4 AC SUB 2 2 BUS ON BUS OFF RESET MUTE L,R FRONT L,R REAR L,R LINE 1 2 2 2 4 2 TX STBY RX 3 2 INSTANTANEOUS PORT VOLTAGE MUTE LEFT MUTE RIGHT ELECTRIC UNIT BLOCK DIAGRAM RadioFans.CN 收音机爱

16、好者资料库 4 DDX7015/7025/7035 DDX7045/7065 VIDEO UNIT (X35-4332-70) TC7W14FU TC7SET08FU IC101 IC203 IC302 DC-DC IC LT1947 COM AMP TA75W558FU IC304 TIMMING CONTROLLER TC200G02AF-0104 IC301 NJM2107F PLL & LPF IC303 TOUCH PANEL SWITCH TOUCH PANEL S79-0827-05 BACK LIGHT INVERTER SW PCB (C/3) 6.5 INCH LCD CF

17、L CIRCUIT CN303 PON+5.0V VGND V.SYNC VGND PON+3.3V VR/VG/VB PON-12.0V PON+18.5V PON+12.5V V.COM POLS/POLC/HSY/VSY/BLK /NTSC PAL/MIRROR PDOS/OSCI VGH+18.5V16 NC1 STH2 VR 2 3 VG VB 4 5 L/R(HDIR)8 VSS STH1 6 7 CX VSS 9 10 VCOM VSS13 CPH(CPH1) VSS 11 12 NC 14 15 VDD2+5.0V VDD1+3.3V NC17 18 19 STV2 OE2(N

18、GOE2)22 OE1(NGOE1) 20 21 OE3(NGOE3) CPV 23 24 VSS27 U/D(UPSD) STV1 25 26 NC VGL-12.0V 28 29 NC30 VB VG VR STV1 USPD CPV NGOE3 NGOE2 NGOE1 STV2 V.COM CPH1 CX HDIR STH1 STH2 NGOE3/CPH1 NGOE1/NGOE2/ STV1/STV2/STH1/STH2/ USPD/CPV/HDIR/CX/ PON+18.5V PON+5.0V PON+3.3V PON+5.0V XDATA/YDATA X0/X1/Y0 X0/X1/

19、Y0/Y1 D.GND PWM/ENABLE BL+8.5V BL GND PON+5.0 LED+8.5V(R)/LED+8.5V(G) ESD GND EJECT/KEY3/KEY4/SI/RESET/REMO H.SYNC PON+3.3V VGND PON-12.0V 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 45 46 47 48 49 50 51 52 53 54 55 56 57

20、 58 59 60 61 62 63 64 65 66 67 68 P ON+5.0V P ON+5.0V NC V GND V GND LCD PON D GND EJECT KEY3 KEY4 LED GND SI NC LED+8.5V(B) LED+8.5V(G) LED+8.5V(R) NC P ON+3.3V NC V GND VB VG VR V GND C.SYNC V GND NTSC PAL POLC POLS MIRROR VSY HSY BLK MODE3 MODE2 MODE1 HPOS4 HPOS3 HPOS2 HPOS1 NC VCOM NC P ON+5.0V

21、BU +5.0V KEY1 XDATA YDATA X0 X1 Y0 SRC PWM ENABLE NC NC BLGND BLGND NC BL+8.5V BL+8.5V NC NC ESD GND ESD GND NC RESET REMO MODE1/2/3/HPOS1/2/3/4 BU+5.0V D.GND VIDEO UNIT BLOCK DIAGRAM 5 DDX7015/7025/7035 DDX7045/7065 DVD X35 POWER SUPPLY/GND MAP X14 DVD X35 POWER SUPPLY/GND MAP +7.5V AVR IC DC-DC CO

22、M AMP TIMING CONTROLLER PLL & LPF +5.0V AVROZ960IS LCD 7 INCH CFL SWITCH CIRCUIT TOUCH PANELLED RED x4 LED GREEN x4 SW PCB B PHOTO REFTILE SENSINDASH 7 INCH MECHA BL+8.5V PON+3.3V PON+14.0V PON+5.0V PON-12.0V PON+12.5V PON+18.5V V GND V GND BL GND SW+3.3V D GND LED GND BACK-LIGHT INVERTER PON-12.0V

23、PON+18.5V PON+5.0V PON+3.3V BL+8.5V AUTO DIMMER SW PCB A LED+8.5V (GREEN) LED+8.5V (RED) LED GREEN LED RED x3 MINI SW+5.0V REF+5 D GND PON+3.3V PON+5.0V PON+7.5V BLOCK DIAGRAM COMPONENTS DESCRIPTION VIDEO CONTROL UNIT (X14-939x-xx) Ref.No.Application/FunctionOperation/Condition/Compatibility IC100SW

24、 power supply control ICSW5V, mechanism 7V DC/DC IC101SW power supply control ICSW3.3V, storage mechanism 7.5V DC/DC IC102SW power supply control IC7.5V, BL8.5V DC/DC IC1033 terminal regulatorBU5V output IC104Low-loss regulatorBU3.3V output IC1052ch comparatorBU low voltage detection IC106InverterP_

25、ON control IC1073 terminal regulator driveVideo system 7.5V output IC108Low-loss regulatorSW2V output IC200E2PROMSystem -com memory IC202Motor driverSlide mechanism motor control IC203Motor driverTilt mechanism motor control IC204MicrocomputerSystem control 6 DDX7015/7025/7035 DDX7045/7065 Ref.No.Ap

26、plication/FunctionOperation/Condition/Compatibility IC205ANDRemote control output buffer IC206InverterMicrocomputer reset control IC207ResetSystem -com reset control at low voltage IC3003 terminal regulatorVideo system 5V power supply output IC3011H delayPAL color difference signal delay IC302RGB sw

27、itchRGB signal SYNC cutting IC303RGB decoderRGB decode IC304RGB switchDVD/NAVI, TV switching IC3053 terminal regulatorVideo system 3V power supply output IC306InverterV. MUTE control IC361NANDHD, VD mix IC362Synchronous separationSynchronous separation IC363,3643ch bufferHD, VD buffer IC365Mono-mult

28、iHD timing for OSD IC400OSDOSD graphic signal occurrence IC401Flash ROMOSD font data ROM IC520Flash ROMMPEG decoder control program ROM IC521SRAMBackup ROM for MPEG decoder IC522NANDSRAM chip selection IC540Inverter27MHz buffer IC541Inverter27MHz oscillation IC560SDRAMRAM for temporary storage of de

29、coded signal IC580ANDx4 (4 ANDs included)3.3V5V conversion IC601MPEG decoderIC for decoding encoded signal IC650Driver IC for visual signalsLowpass filter + 6dB_AMP + DRIVER IC651Regulator ICVideo 5V regulator IC652Video encoderConverts digital video signals into analog IC701Ope ampActive filter cir

30、cuit for audio signals IC702Regulator ICAudio 5V regulator IC703Audio DACConverts digital audio signals to analog IC750InverterDrive for optical output IC770CPLDAudio DAC control, Chip selection control of SRAM Q100103Digital transistorP_ON control Q104,105Small signal NPN transistorBU reduced curre

31、nt detection Q106High-speed power SW FETSW14V output Q107Small signal NPN transistorACC detection control Q108Digital transistorParking detection control Q109High-speed power SW FETSW5V, mechanism 7V DC/DC Q110High-speed power SW FETSW3.3V, storage mechanism 7.5V DC/DC Q111High-speed power SW FET7.5

32、V, mechanism 7V DC/DC COMPONENTS DESCRIPTION 7 DDX7015/7025/7035 DDX7045/7065 Ref.No.Application/FunctionOperation/Condition/Compatibility Q112 Low-frequency power Video system 7.5V output amplifying PNP transistor Q113Small signal PNP transistorFan power supply 12.8V output Q114Small signal NPN tra

33、nsistorFan power supply 12.8V output Q115 Medium power amplifying Fan power supply 12.8V output PNP transistor Q116Small signal NPN transistorFan power supply 12.8V output Q117NPN digital transistorStorage mechanism power supply switching control Q118Small signal PNP transistorBL8.5V over current de

34、tection Q119NPN digital transistorBL8.5V over current detection Q120Small signal PNP transistorBU5V/SW5V switching Q121NPN digital transistorBU5V/SW5V switching Q122Small signal PNP transistorBU5V/SW5V switching Q123,124Small signal NPN transistorBU5V/SW5V switching Q170,171Digital transistorSW5V, m

35、echanism 7V DC/DC oscillation frequency switching Q172,173Digital transistorSW3.3V, storage mechanism 7.5V DC/DC oscillation frequency switching Q174,175Digital transistor7.5V, mechanism 7V DC/DC oscillation frequency switching Q200,201Digital transistorBlue illumination control Q202,203Digital tran

36、sistorGreen illumination control Q204,205Digital transistorRed illumination control Q206Digital transistorBOX microcomputer Q207Digital transistorMicrocomputer reset control Q300Small signal PNP transistorChroma LPF fc NT/PAL switching Q360Small signal NPN transistorY signal input buffer Q361Small s

37、ignal PNP transistorC signal input buffer Q362Small signal PNP transistorSynchronous separation circuit V signal input buffer Q400Small signal PNP transistorOSD R signal output buffer Q401Small signal PNP transistorOSD G signal output buffer Q402Small signal PNP transistorOSD B signal output buffer

38、Q403NPN digital transistorOSD clock NT/PAL switching control Q650PNP digital transistorRGB_SW reversal Q652NPN digital transistorIC650 6pin input signal muting Q701Small signal NPN transistorAudio DMIX_L signal muting Q702Small signal NPN transistorAudio DMIX_R signal muting Q703Small signal NPN tra

39、nsistorAudio mute control Q704707Digital transistorAudio mute control Q751Small signal NPN transistorCOAX output driving Q752Small signal PNP transistorCOAX output driving Q901 Medium power amplifying TDF panel section power supply ON/OFF control PNP transistor Q902Small signal NPN transistorTDF pan

40、el section power supply ON/OFF control COMPONENTS DESCRIPTION 8 DDX7015/7025/7035 DDX7045/7065 ELECTRIC UNIT (X34-316x-xx) Ref.No.Application/FunctionOperation/Condition/Compatibility IC13-terminal regulator ICGenerates 8.4V for audio from BU14V. IC33-terminal regulator ICGenerates 5.0V for visuals

41、from BU14V. IC100Logic ICFor audio mute control. IC101Logic ICWhen BU5V goes below 3.7V, reset with output L (When microcomputer is flushed, 4.2V). IC103 X34 board controller Control of X34 board, Communication with other boards and connected devices. microcomputer IC200RDS demodulator ICDemodulatio

42、n of RDS signals. IC250Power ICPower amplifier for speaker output. IC300Digitally audio processor IC4ch hipass filter, 2ch lowpass filter. IC301 Electrical volume, Selector, NC MPX IC IC350Isolation amplifier ICFor LX BUS IC400Logic ICFor making navigation and other remote control lines independent.

43、 IC450,45175 driver, 6dB amplifier ICFor video signals from X34 to X14. IC452Logic ICFor reversing reset signal. IC500Isolation amplifier ICFor TV TUNER. IC501RGB switch ICFor selection of RGB signals for TV or NAVI. IC550,5544ch multiplexerFor selection of audio signals for LX, NAVI, TV or AVIN. IC

44、551Video switch For selection of composite signals for IC553 or AVIN. Used for detecting NTSC, PAL and detecting rear camera. IC552Sync separator ICFor determination of NTSC, PAL. IC55375 driver + video switchFor detection of visual output signal for X14 (TV/AVIN/NAVI). IC55575 driver + video switch

45、For selection of visual output signal for AVOUT (DVD/TV/AVIN). IC600Isolation amplifier ICFor AVIN. IC700,701Switching ope amplifierFor isolation of audio signal from DSP box and SW for X34 audio signal. IC702Operational amplifierFor 1/2VCC supply to BA3121F (LX/TV/AVIN). IC703,704Operational amplif

46、ierFor isolation of audio signal from DSP box. IC900Operational amplifierFor noise canceling circuit. Q1,2BU5V switchTurned ON when BU14V is supplied. Q3BU5V switchTurned ON when Q9 is turned ON. Q4A9V switchTurned ON when SW14V is supplied. Q5V5V switchTurned ON when SW14V is supplied. Q6A9V power

47、supplyTurned ON when Q4 is turned ON. Q8SW14V switchTurned ON when P-ON. Q9SW5V switchTurned ON when P-ON. Q10V5V power supplyTurned ON when Q5 is turned ON. Q19Illumination switchTurned ON when illumination is turned ON. Q20ANT-CONT switchTurned ON when TUNER is selected. Q21P-CONTTurned ON when P-

48、CONT is turned ON. COMPONENTS DESCRIPTION 9 DDX7015/7025/7035 DDX7045/7065 Ref.No.Application/FunctionOperation/Condition/Compatibility Q22P-CONTTurned ON when Q21 is turned ON. Q23P-ANT switchTurned ON when Q20 is turned ON. Q24P-CONTTurned ON when Q25 is turned ON. Q25P-CONTTurned ON when BU14V is

49、 supplied. Turned OFF when Q22 is turned ON. Q26BU detection switchTurned ON when BU is detected. Q27EXT-AMP switchTurned ON when EXT-CONT terminal is L. Q100S-MUTE reverse switchTurned ON when momentary power down, when reset, and when S-MUTE is turned ON. Q200AM power supply switchTurned ON when TUNER is selected. Q201AM power supply switchTurned ON when Q200 is turned ON. Q300NOISE switchTurned ON when IC301QUAL terminal is Hi. Q301S-MUTE switchTurned ON when Q100 is turned ON. Q460TV resetting reverse switchReverses when reset and outputs Hi. Q551554 Voltage conversion a