Kenwood-KCZ1-avr-sm 维修电路原理图.pdf

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1、Panel(A60-0847-21)Front board(A53-1926-04)Front board(A53-1927-04)Knob (INPUT SELECTOR)(K29-6292-03)Holder(J19-5633-14)Indicator(B12-0266-04)Knob (MUTE, PAGE)(K29-6308-03)Knob (VOLUME)(K29-6293-04)Knob (REMOTE POWER)(K29-6306-03)Knob (MAIN POWER)(K29-6307-04)Metallic cabinet(A01-3290-31)Cylindrical

2、receptacle(E56-0011-05)Slide switch(S62-0034-05)Lock terminal board(E20-0321-05)Rectangular receptacle(E58-0013-05)AC outlet *(E03-)Optic receiving module(W02-1181-05)Oscillating module(W02-1114-05)Phono jack (E63-0047-15)Miniature phone jack (2P)(E11-0188-05)RC-Z1 Reset method All clear : While pre

3、ssing the volume up and down key both, then remove and set the battery or push the resetbutton on the rear cover by ball point pen.A RC-Z1 clear (contrast, sleep timer etc) : While pressing mute key, then remove and set the battery or push thereset button on the rear cover by ball point pen.Phono ja

4、ck(E63-0179-05)Phono jack(E63-0174-05)AC power cord bushing(E30-2592-15)* Refer to parts list on page 67.Phono jack (E63-0070-15)Phono jack(E63-0180-05)Phono jack(E63-0181-05)AC power cord *(E30-)Dressing panel *(REAR)(A21-)Miniature phone jack(E11-0220-05)Foot(J02-1142-05)AV-CONTROL AMPLIFIER/TUNER

5、,REMOTE CONTROLLERKC-Z1/RC-Z1SERVICE MANUAL 1996-5/B51-5196-00 (K/K) 1506Phono jack (E63-0094-05)Slide switch(S62-0001-05)RadioFans.CN 收音机爱 好者资料库2CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES . 2LCD CONTROLLER . 3DISASSEMBLY FOR REPAIR . 4BLOCK DIAGRAM. 5CIRCUIT DESCRIPTION. 7ADJUSTMENT . 17WIRING DI

6、AGRAM.19PC BOARD .21SCHEMATIC DIAGRAM. 33EXPLODED VIEW . 65PARTS LIST.67SPECIFICATIONS .85ContentsTouchPanel/LCD controller (1)(X94-1080-10)Battery cover (A09-0334-13)Audio cables (3)(E30-2600-05)System control cable (1)(E30-2733-05)Antenna adaptor(1)(T90-0827-05)FM indoor antenna (1)(T90-0176-05)AC

7、 plug adaptor (1)(E03-0115-05) : M typeAM loop antenna assy (1) (T90-0826-05)Loop antenna stand(J19-3645-05)Batteries for TouchPanel(DR17-type) (2)(W03-4898-05)Infra-Red (IR) Repeater/Transmitting assy (1)(W02-2542-05)Parts No.Parts No.ADestinationENGLISHB60-2476-00B60-2758-00K, MFRENCHB60-2477-00B6

8、0-2759-00KCHINESEB60-2478-00B60-2760-00MTAIWANESEB60-2479-00B60-2761-00MSPANISHB60-2724-00B60-2762-00MInstruction manualAccessoriesRadioFans.CN 收音机爱 好者资料库When you activate the Touch Panel for the first time, the Touch the Target screen ap-pears. This screen helps calibrate the TouchPanel so it can d

9、etect the exact center of each button.Touch the center of each target as it moves around the screen.After you are finished calibrating the TouchPanel, the Stage 3 Title Screen display for a short time, followed by the MAIN MENU screen :HOME ROWProvides quick access to the TouchPanels primary functio

10、nsPOWERPowers-down the Stage 3 ControllerMAINLets you listen to and control all of the components in your home theater systemSOUNDGives you total control over the way your system soundsPRESETSEnables you to save any changes you make with the SOUND buttons(and more)as system presets for instant recal

11、lHELPGives you quick infomation on how the TouchPanel buttons work in the different screensSELECTION BUTTONSAllow you to activate or adjust different functionsSYSTEM COMPONENT ICONSLets you select and control your system components. Once you have set-up the TouchPanel, the MAIN MENU will show a sepa

12、rate icon for each component in your systemRF COMMUNICATIONS ICONThis icon appears on every TouchPanel screen SCREEN NAMECorresponds to the button you touched to activate the current screenVOLUME CONTROL AND MUTE BUTTONSThe TouchPanels volume and mute buttons are always available, no matter which sc

13、reen you are usingTouchPanel is dockedTouchPanel isreceiving communicationTouchPanel is notreceiving communicationYou are now ready ready to customize the TouchPanel to operate your entire home theater system.3LCD CONTROLLERDISASSEMBLY FOR REPAIR(1) Remove 5 screws (1), then remove the X08 PCB (2).(

14、2) Round a string on the volume shaft (3), remove the volume knob.RC-Z1(1) Remove 2 screws (1), then remove the rear cover (2).(2) Tearing off non-woven fabric (3), remove the flexible flat cable (FFC) (4).+AM ANTGNDFM ANTW02-2512-05CF1Q1IF AMPCF2Q,RDETC.R.FILTERIC1AM SECTIONFM SECTIONMPXIC2PLL CONT

15、.u-COM(PLL)Q2,3L.P.FQ11,102,104BAND SELECTORX1(7.2MHz)Q109,T.MUTETUNER OUTPUTFM:600mV/3.3k AM:180mV/3.3k STEREOSDS LEVELANALOGPLAYLchPHONOCDMDTAPE1VIDEO1VIDEO2SATTELITETVLDTAPE2IC24IC29EQ AMPIC31TC9162AF(AUDIO)PHONO2.5mV/47k REC OUTOTHER200mV/47k 200mV/1.0K TC9163AF(DIGITAL)IN/OUT0.5Vp-p/75 ANALOGRE

16、CLchTAPE2TAPE1MDVIDEO1VIDEO2IC30TC9164AFIC25IC32TC9164AFIC26(1/2)INPUTLEVEL0dB-2dB-4dB-6dBIC26(2/2)IC27RchDIGITALCOAXPLAYDIGITALOPTPLAYDIGITALCOAX RECDIGITALOPT REC CDMDCABLE/SATELLITELDCDMDCABLE/SATELLITELDMDMDIC66,67,69TC74HCU04IC68(LD-RF IN)0.5Vp-p/75 LDRF IN(COMP-VIDEO)IN/OUT1Vp-p/75 COMPVIDEOPL

17、AYINCOMPVIDEORECOUTLDPCDVIDEO1VIDEO2CABLE/SATELLITETVLDVIDEO1VIDEO2MONITOR OUTQ11,12,15,16,IC71IC1TC4051BPIC3,4NJM2279 x2IC76SRAMIC75AC-3RF DEMODPD4606A46.0MHz18.432MHzIC63ADCAK534024,576MHzOSCPEAK LEVELLED CONT.REF LEVELLED CONT.DIGITALIC78TC74HC157IC47DSPZORANZR38500(PRO LOGIC AC-3)36MHzSRAMSRAMIC

18、48,49IC41DSPLC83015(THX,DSP LOGIC)IC42DSPLC83015(THX,DSP LOGIC)IC45,46DRAMDRAMIC43,44DRAMDRAMIC27DFSM5841IC28DFSM5841IC29DFSM5841IC32,33PLLTLC2932TC9246384fsIC30DRIVEKANO2IC31DRIVEKANO2DIGITALDIGITALDIGITALIC21,22DACPCM1702UDACPCM1702UIC23,24DACPCM1702UDACPCM1702UIC25,26DACPCM1702UDACPCM1702UIC1,221

19、k LPF21k LPFIC3,421k LPF21k LPFIC5,621k LPF21k LPFIC17IC7TC9162AF80Hz HPF80Hz HPFIC1280Hz LPFIC1180Hz HPF80Hz HPFIC13(2/2)IC13(1/2)+25dBIC18TC9163AFIC1580Hz HPF80Hz HPF-4.5dBIC8IC9IC12IC14IC16(1/2)IC16(2/2)IC10(1/2)+3dBIC10(2/2)+3dBIC12+10dBVOLTC9212FIC33-12dBATTLC4966IC35-12dBATTLC4966IC34-12dBATTL

20、C4966IC1(1/2)+3dBIC1(2/2)+3dBIC7(1/2)+3dBIC7(2/2)+3dBIC4(1/2)+3dBIC4(2/2)+3dBIC3+10dBVOLTC9212FIC9+10dBVOLTC9212FIC6+10dBVOLTC9212FK1IC14TONETC9274F-009IC18TONETC9274F-009IC16TONETC9274F-009Q15IC23(1/2)+1dBK6Q16IC23(2/2)+1dBQ3IC19(1/2)+1dBQ4+1dBK2Q11+1dBQ12+3.5dBQ7+1dBQ8+1dBK3K5K4PRE OPUT200mV/1.0k

21、PRE OUT 2LtRtPRE OUT1LRCSW(LFE)SLSRQ56(TONE)RELAYDRIVERQ52(PREOUT2)RELAYDRIVERQ53 (CENTER)RELAYDRIVERQ55(SL,SR)RELAYDRIVERQ56(FL,FR)RELAYDRIVERQ54(SUB W)RELAYDRIVERIC77DIRLC8904Qu-COMSUBuPD78056GCIC504.19MHzKC/KRDIGITAL INPUT/REC SELIC31u-COM(MAIN)4.19MHzVIDEO INPUT/REC SELS-VIDEOPLAYINS-VIDEORECOUT

22、(S-VIDEO)IN/OUT1Vp-p/75 VIDEO1VIDEO2LDVIDEO1VIDEO2MONITOR OUTIC2TC4052BPIC5,6,7NJM2279 x3(FRONT)ANALOG-PLAYVIDEO 3S-VIDEOVIDEO 31/2J24REPEATEROUT 13STSTEMJ13KEYMATRIXIC8,9LEDCONT.S13ROTARYENCODERQ36,3941DRIVERIC34u-COM(IR)IC33BATTERYCHARGERDCC5555A/22REMOTECONTROLANTPANEL)925MHzBPFPASSIVE5VQ4RX ENAB

23、LERFLNAIC9LNA+MIXERIC2IF BPFIC4IFLIMITTER5VIC4DET5VIC5DATASHAPER5VIC6LOCK SIGNALRXDATATRANSMITIC7TX AMPQ35VTX ENABLEATTIC8OSCQ15VD2PLLSYNTHESIZER5VIC1PLL DATATX DATAPOWERSUPPLY5V8VRFPOWERENABLEIC3TO TUNERTO ANALOGTO TUNERTO u-COMTO VIDEOTO DIGITALTO BAT.CHARGERTO BAT.CHARGERTO RF UNITTO FRONT PANEL+

24、12V+17VGND-17V-12V+5.6V+5VGND-5V-8V+10.5VGND+5VGNDGND+8VGND+9VGNDIC12IC13IC3IC1IC2IC8IC9Q15CVCCIC10IC11Q17D2D1D13D14D12Q1RELAYDRIVERK1K2T1Q12RELAYDRIVERMAIN POWERSWS14K1ACOUTLETDB-25LCRSW (LFE)SLSRNCNCNCNCNCNCTRIG CONTL GNDC GNDR GNDSW GNDSL GNDSR GNDNCNCNCNCNCNCFM FRONT-END-4.5dBDIGITALAVRAVRAVRAVR

25、AVRAVRAVRAVRAVRAVRAVRAVRCABLE/(2/2)(1/2)IC27DIGITALVIDEO 3COMP-VIDEORECEIVEAMP+8VQ3Q4RFDIGITALDIGITAL(x08)(X14)D1X1110(SUBBATTERYIC19(2/2)IC21(2/2)IC21(1/2)IC22(1/2)IC22(2/2)(X05-442X)(X09)(X08)(X08)(X14)(X14)(X00)(X14)(X09)(X14)KC-Z1RF I/O UNIT(X05-457X)BLOCK DIAGRAMCIRCUIT DESCRIPTION?(X08)IC501.

26、Main microprocessor : 78P078GF1ABA (X00 : IC 31)(X09)(X09)IC3(X09)IC9(X09)IC6(X09)IC12(X25)2 31 23 5 377222244 44353331 2(X05-457X)IC1RF I/O UNIT(X00)IC34(X14)J13(X09)IC2931(X09)IC32(X09)IC14, 16, 18(X14)IC1(X14)IC2(X14)IC37SUB -COM78P058GC1ACA(ONE TIME PROM)LCD REMOCONPLL IC(MC12202)REPEATER(DATA)S

27、ERIAL(DATA)(BUSY)SELECTOR SW(TC9162AF)(TC9163AF)(TC9164AF)INPUT LEVEL(TC9164AF)TONE(TC9274F)VCR IC 1(TC4051BP)VCR IC 2(TC4052BP)VCR IC 3(NJM2279D * 5)(X14)D60LED(STANDBY)(POWER)ELSE(RESET)(CE)CONTROL ORT(TXD) (RXD)(TXEN) (RXEN)etc(X00)IC31MAIN -COM78P078GF1ABA(ONE TIME PROM)VOLUMEATTENUATORFL/FR VOL

28、UME(TC9212F)C/SW VOLUME(TC9212F)LS/RS VOLUME(TC9212F)PRE2 VOLUME(TC9212F)PLL IC(LC7218)CONTROL PORT(SD)(STEREO)(T. MUTE)LED(NJU3711D)LED(NJU3713D)VOLUMEENCODERKEY MATRIX(SCAN4)(RET4)MUTE(MUTE)(PRE2. MUTE)RELAY(POWER)(SOURCE DIRECT)(F ch)(C ch)(S ch)(SW ch)(PREOUT2)TUNER UNIT(X05)IC2(X09)Q3,4,7,8,11,

29、12,15,16(X09)K15, (X14)K1(X14)S13CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1V3.SW1OVCR IC3 (NJU2279D) switch1 port2V2.BOVCR IC2 (TC4052BP) B port3V2.AOVCR IC2 (TC4052BP) A port4V1.COVCR IC1 (TC4051BP) C port5V1.BOVCR IC1 (TC4051BP) B port6V1.AOVCR IC1 (TC4051BP) A port7S.DATAI/OSerial communic

30、ation data8S.BUSYI/OSerial communication busy9VSS GND10X2 Main system clock (4.15MHz)11X1IMain system clock (4.15MHz)12VDDPower supply (+5V)13XT2Sub system clock (32.768KHz)14XT1ISub system clock (32.768KHz)15RESETISystem reset16CEIChip enable17R.DATAI/ORepeater data18INot used19P.LOCKIRF unit lock

31、signal20POWER.LEDOPower LED21STANDBY.LEDOStandby LED22RDS.CKINot used23AVDD A/D converter analog power supply (+5V)24AVREF0 A/D converter base voltage (GND)25RDS.SLINot used26RDS.NLINot used27P.SDTORF unit PLL IC (LMX1511TMX) data28P.SCKORF unit PLL IC (LMX1511TMX) clock29P.SLEORF unit PLL IC (LMX15

32、11TMX) load enable data30P.LOCKIRF unit lock signalH : ACTIVE31P.HOOKILCD controller hook checkH : NONEL : HOOK32P.OSCENORF unit oscillator enableH : ACTIVE33AVSS VSS (GND)34P.RXENORF unit receive enableL : ACTIVE35P.TXENORF unit transmit enableL : ACTIVE36AVREF1ID/A converter base voltage VDD (+5V)

33、37P.RXDIRF unit roam controller receive data38P.TXDORF unit controller roam transmit data39P.RFORF unit RF poweH : ACTIVE40VSSGND41S.DTIMain & sub U-COM communication sub U-COM transmit data42M.DTOMain & sub U-COM communication main U-COM transmit data43M.CKOMain & sub U-COM communication main U-COM

34、 clock44M.RQOMain & sub U-COM communication main U-COM request45S.RQIMain & sub U-COM communication sub U-COM request46PRE2.MUTEOPreout 2 mute47MUTEOMute (Preout 1 mute)1-2. Pin descriptionCIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription48PRE2.RLYOPreout 2 relay49SW.RLYOSub woofer (SW) ch. relay50S.

35、RLYOSurround (SL,SR) ch. relay51C.RLYOCenter (C) ch. relay52F.REYOFront (FL,FR) ch. relay53L.RLYOSource direct relay54VOL.ATTOVolume attenuator55VOL.ST4OPreout1 FL/RFch volume IC (TC9212F) strobe56VOL.ST3OPreout 1 LS/RS ch.volume IC (TC9212F) strobe57VOL.ST2OPreout 1 C/SW ch. volume IC (TC9212F) str

36、obe58VOL.ST1OPreout 2 FL/FR ch. volume IC (TC9212F) strobe59VOL.CKOPreout 1,2 volume IC (TC9212F) clock60VOL.DTOPreout 1,2 volume IC (TC9212F) data61A.ST3OTone IC (TC9274F) strobe62A.ST2OInput selector (TC9162AF/TC9163AF/TC9164AF) strobe63A.ST1OTape2 input IC (TC9164AF) level strobe64A.CKOTone (TC92

37、74F) /input selector (TC9162AF/TC9163AF) /tape 2(TC9164AF) clock65A.DTOTone (TC9274F) /input selector (TC9162AF/TC9163AF) /tape 2(TC9164AF) data66P.RLYOPower relay67LED.ST2OLED control IC (NJU3713D) strobe68LED.ST1OLED control IC (NJU3711D) strobe69LED.CKOLED control IC (NJU3711D/NJU3713D) clock70LE

38、D.DTOLED control IC (NJU3711D/NJU3713D) data71VSS GND72VOL.CWOVolume rotary encoder CW (A port)73VOL.CCWOVolume rotary encoder CCW (B port)74-77KR0-KR3IKey return 0-378-81KS0-3OKey scan 0-382-85INot used86RDS.DTINot used87RDS.STINot used88RDS.RTONot used89RDS.ATONot used90RDS.SSONot used91T.MUTEOTun

39、er mute92T.CEOTuner unit PLL IC (LC7218) chip enable93T.CKOTuner unit PLL IC (LC7218) clock94T.DTOTuner unit PLL IC (LC7218) data in95T.STITuner stereo96T.SDITuner SD97T.DOITuner unit PLL IC (LC7218) data out98V2.INHOVCR IC 2 (TC4052) inhibit port99V3.SW3OVCR IC 3 (NJU2279D) switch 3 port (monitor m

40、ute)H : MUTE OFFL : MUTE ON100V3.SW2OVCR IC 3 (NJU2279D) switch 2 port0 : Non Diode1 : DiodeTable 5-1 Destination List of TunerDestinationBANDReceive frequencyrangechannelspaceIFPLLreferencefrequencyDestination DSW(X14-)DSW2DSW1DSW0(X00)D47K1FM87.5MHz108.oMHz100kHz10.7MHz50kHz000AM530kHz1700kHz10kHz

41、450kHz10kHzK2(M)FM87.5MHz108.0MHz100kHz10.7MHz50kHz001AM530kHz1610kHz10kHz450kHz10kHzCIRCUIT DESCRIPTION(AC-3/DSP)(X08) IC63ADC(X08) IC2126DAC(X08) IC75DEMO-DULATOR(X08) IC47ZR38500PDDEMO, DEMI, PDRESET , MSYC(X08) IC16LPF(X08) IC41, 42DSPLPFDT, LPFCK,LPFSTBRESET , REQUEST,READY, DATA, CLOCKACUNOLIG

42、ESS , SO , SI , SCK , RESET(X08) IC77DIRERROR, SUB1, SUB2, SWDT,XLAT, SCLK, SRDT, XMODE,ENPHA(X09) Q43MUTESUBMUTE , SWMUTE(X08) IC66SELECTORDIGSEL1, DIGSEL2DESTINATION SWH : KC-Z1L : KR-V990D(X08)IC50(X08) IC78DIGITAL SWDIGSWSEL(X00) IC31MAIN U-COMMCK, MDT, SDT,MREQ SUB U-COM78P058GC1ACA1-3. Key mat

43、rix (12KEY + 4 SW)2. Sub microprocessor : 78P058GC1ACA (X08:IC50)2-1. Microprocessor periphery block diagram74 KR075 KR176 KR277 KR378 KS0LDTVCABLEVCR79 KS1CDBEEPMUTEPOWER80 KS2MDTAPE 1TUNERPHONO81 KS3DSW0DSW1DSW2DSW3*No. of : Port No. of -COM1-4. Destination list of tunerCIRCUIT DESCRIPTIONPin No.P

44、in NameI/ODescription1DSP1REQODSP IC1 (LC83015JE):(X08:IC41) request2DSP1AKIDSP IC1 (LC83015JE):(X08:IC41) acknowledge3DSP2RSTODSP IC2 (LC83015JE):(X08:IC42) reset4AVSS A/D reference voltage (GND)5DSP2RDYODSP IC2 (LC83015JE):(X08:IC42) ready6DSP2REQODSP IC2 (LC83015JE):(X08:IC42) request7AVREF1 A/D

45、reference voltage (VDD)8 INot used9DSP1DT/DSP2DTODSP IC1,2 (LC83015JE) data10DSP1CK/DSP2CKODSP IC1,2 (LC83015JE) clock11MDTIMaster data (communicated with main u-com)12SDTOSlave data (communicated with main u-com)13MCKIMaster clock (communicated with main u-com)14MREQIMaster request (communicated wi

46、th main u-com)15SREQOSlave request (communicated with main u-com)16ZRSIIZR38500 slave data17ZRSOOZR38500 master data18ZRCKOZR38500 master clock19ZRSSOZR38500 strobe20ZRRSTOZR38500 reset21ADPDOADC (AK 5340) power down22,23DADEMO0,1ODAC ( PCM1702U) sample rate select24DAPDODAC ( PCM1702U) reset25DEMRS

47、TODemodulater reset26 INot used27DEMMSYCIDemodulator AC3 data sync checkH:AC3 SYNCROL:ERROR28-31 INot used32PLLMUTEIPLL lock/unlock detect33VSSIGND34SUBMUTEOSub mute35SWMUTEOSW.mute36-40 INot used41DIRSRDTIDRI ( LC8904Q) channel statace output (32Bit)42DIRSCLKODIR ( LC8904Q) clock43DIRXLATODIR ( LC8

48、904Q) data latch44DIRSWDTODIR ( LC8904Q) data45,46DIRSUB1,2IDIR ( LC8904Q) sample frequency output47DIRERRORIDIR ( LC8904Q) error check H:ERRORL:PCM48DIRXMODEODIR ( LC8904Q) reset49DIRENPHAIDIR ( LC8904Q) emphasis50 ONot used51LPFSTBOSEL IC (TC9162N/TC9163N) data52LPFCKOSEL IC (TC9162N) clock53LPFDT

49、OSEL IC (TC9162N)data54 INot used55DIGSWSELOTC74HC157 analog/digital selectorH:DIGITALL:ANALOG2-2. Pin descriptionWard clockBit clockSerial bitstreamRESET_NT_WSA/FSASCKASDAGPIO0GPI4GPI5/MUTE_D(19-0)A(15-0)ROM RD_WR_XTI XTOGPIO1SCKINWSBSCKSSDBSDCSDOZR38500(X08)IC47DACDACDACLRLSRSCSWICE(JTAG)HOST PORT

50、 (SPI)Clock oscillator11,209/12,888MHz33MHzEPROM32kx8(200ns)SRAM32kx8(35ns)CS_OE_CS_OE_WR_D7-0A14-0SRAM32kx8(35ns)CS_OE_WR_D7-0A14-0D7-0A14-0RD_D7-D0A14-A044RD_WR_D19-D12A14-A0RD_WR_D11-D4A14-A0D7Pin No.Pin NameI/ODescription56,57DIGSEL1OTC74HC153 digital input selector58TYPESELIModel distinctionH:K