JVC-THV70R-ddcs-sm 维修电路原理图.pdf
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1、TH-V70RNo.21108Jul. 2002COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.SERVICE MANUALContentsSafety precautionsPreventing static electricityImportant for laser products1-21-41-51-61-211-2255Disassembly methodAdjustment methodDescription of major ICsTH-V70R Area suffixB - U.K.E - Continental EuropeEN -
2、Northern EuropeDVD DIGITAL CINEMA SYSTEMSP-PWV70XV-THV70RSP-XSV70SP-XCV70SP-XSV70SP-XSV70SP-XSV70RadioFans.CN 收音机爱 好者资料库TH-V70R2-1ABC12345CN101IC101FRONT ENDPROCESSORDVD servo boardLVA10311-A1Main boardLVA10308-A1IC301SODCIC201DRIVERIC701DISPLAYMICOMDI701FL DISPLAYIC801SYSTEMMICOMIC406DSPMICOMIC401C
3、ODECIC403DSPIC1536CHVOLUMEIC151INPUTSELECTDISCLEDDOORDETECTSWITCHDOORMOTORCN502CN803CN805CN806CN401J691SCARTTERMINALBGR/CCYJ601S-VIDEO OUTFROM/TOTUNER UNITW812CN812CN814W802CN106CN802CN701IC711REMOCONJ1101AUX INLRFront boardLVA10320-A1CN801CN503DSP/Audio boardLVA10309-A1EXL-V9-1LVA10308-A4LVA10308-A
4、574536821SYSTEMCONNECTORJ1103DVD traversemechanismCN202IC251SPINDLEMOTORDRIVERIC401UNIT CPUIC501PANTERA-2IC505DRAMIC509FLASHROMIC601VIDEODRIVERP901AC INEXL-V9-1DVD traversemechanismT901Trans.REG.F1,F2B5V-VDISPD5V,DVD 5VDVD3.3VP.ON,B5V+12V,-12VDOOR M9VCN972FanmotorIC871REMOCONIC108DOOR MOTORDRIVERKey
5、switchLVA10308-A2CN813W801CN201IC451EEPROMIC404SDRAMJ601COMPOSITE VIDEO OUTJ592AV COMPULINK2CN815CN592Compulink boardLVA10308-A3FLM-FD1-1DVD loadermechanismIC191RDSB/E/ENversion onlyY Overall block diagramBlock diagramsRadioFans.CN 收音机爱 好者资料库TH-V70R2-2ABCD12345CN806CN106LVA10308-A18TUR6TUL10RDS4TUDT
6、O3TUCK2TUDTI1TUCE14SPDIF1SWPHOTO16DISKSTP17SSPCLK1B18FLINT19SSPOUT1B21SSPIN1A23FLCS-25CPURSTCN805IC191RDS DECODER731,9IC108MOTORDRIVERX191OSC4.322MHzTUNER R22TUNER L21SMUTE28SW P.ON2729AUX30TUNER24OUT L26OUT R13VOL_DT14VOL_CK12VOL_STB11DSPCLK10DSPSTATUS9P.ONDSPCOMMAND8DSPREADY7DSPRESET2D5V1D5VX801OS
7、C8MHzIC801SYSTEM MICOMIC803RESET33170,72-745,21-268356,574,485962,643634,3542-472967,68 76899085RGB/NTBAVVLRAUDIO_LAUDIO_RD5V12S551DOOR DETECTSWITCHLVA10308-A4TOVideo I/OCN801FROM/TOCN401 OFLVA10309-A1(DSP)FROM/TOCN503 OFLVA10311-A1(DVD servo)FROM/TOTUNER UNITTODoor motorCN814W8028,9,1016Q8162DVD P.
8、ONTOPower supply8RESET9CLOCK10DATA ININITIAL12REMOCON18,2091,92CN802FROM/TOCN701 OFLVA10320-A1(FL display)27113232IC871REMOCONLVA10308-A5W812CN8122121Q8711REM +BCTL5055Q8712Q8713LEDCTL79,80LED boardOpen/Close boardS501-S510Key switchLVA10308-A2CN813W8013232Switch board8,9B/E/ENversionTOAudio I/OQ818
9、BACKUPD8721D8722DISC LEDB5VQ803SAFETYDETECT+12V-12V30IEC9585Main boardQ802Q805SMUTEQ804Q807SW P.ON13Japan version System control sectionTH-V70R2-3ABC12345LOUT1ROUT1LOUT2ROUT2LOUT3ROUT3MUTEVOL_STBVOL_DTVOL_CKLIN+LINRIN+RINLRJ1101AUXINFROM/TODSPIC531Amp.Q2521Mute controlIC1536CHVOLUMEIC158Amp.J1103SYS
10、TEMCONNECTORIC159Amp.IC160Amp.Q1131Mute controlIC561Amp.Q2561Mute controlIC581Amp.IC510,511Amp.Q2581Mute controlQ1133Mute controlQ1135Q1137Mute controlIC151INPUT SELECTQ2501Q2502Mute controlMute controlQ12523AUX5SW.P.ON4S MUTE8OUT_L6OUT_R11TUNERL10TUNERR2TUNER7453682115139811621438910126513113336343
11、53132394041FROM/TOCN806 OFLVA10308-A1(System control)CN401 Audio input/output sectionA5V12A5VQ1252Mute controlMute controlQ1252Q1251Mute control2123243130201918272234IC403DSP40,42,431,3-783,85-8984994146-50,5316,18-20,22711737,3894111721848827LOUT1MUTETXRXTESTIC406DSP MICOMIC401CODECQ403X402OSC6.14M
12、HZ28ROUT125LOUT226ROUT223LOUT324ROUT3VOL_STBVOL_DT30LIN+29LIN-32RIN+31RIN-IC404SDRAMVOL_CKVOL_STBVOL_DTD5VD5VDSPCLKDSPSTATUSDSPCOMMANDDSPREADYIEC958VOL_CKLVA10309-A1FROM/TOCN806 OFLVA10308-A1(System control)CN401235CN40371IC407D3VVDDFROM/TOAudioinput/output DSP sectionIC40841-4364,66,67A5V54VDDAIC40
13、2A3VQ401Q402X401OSC24.576MHZLVA10309-A1IC409DigitalinputIC410Digitaloutput31TH-V70R2-4ABCD12345CN8031210IC601VIDEODRIVER1416S691RGB/YCSWJ601COMPOSITEVIDEO OUTJ601S-VIDEO OUTJ592AV COMPULINK2CYFROM CN502OF LVA10311-A1(DVD servo)TOSystemcontrolCrOUTAVVLRRGB/NTBCbOUTCOUTYOUTCN5924213CN815S802VER/HORSWV
14、ER/HOR1915R/CCOMPOSITE/Y11G7BJ691SCARTTERMINALLVA10308-A1 Video output sectionLVA10308-A3DI701FL DISPLAY1002,3,5,26CN7019,101, 261. 62-VDISP3F22F115FROM/TOCN802 OFLVA10308-A1(System control)B5VG1-G14P1-P356D5VD5VOSCX7018MHzREMOCON12INITIAL11DATA IN10RESETIC701DISPLAY MICOMFL display sectionCLOCK987-
15、12VIC711RemoconreceiverB5V-12V27Q71028Q711D701POWER LEDHORIZONTALD702-D710KEY LEDHORIZONTAL29Q71230Q713D711POWER LEDVERTICALD712-D720KEY LEDVERTICAL39Q721DIMMER40Q722,Q723DIMMER31Q709LVA10320-A1161461182212331252833B/E/EN/EE versionTH-V70R2-5ABC12345CN802T901TRANSFORMERQ951FL SW718913411216Q953-VDIS
16、PD956Q958D957Q961IC953B5V REG.1P.ON18A7V20A5V19A-7VFAN MOTOR2F21F13-VDISP6D5V5B5V15M5VS5V25M9V1435L901IC901SWITCHREG.TO CN701 OFLVA10320-A1(FL display)TO CN503 OFLVA10311-A1(DVD servo)TO CN401 OFLVA10309-A1(DSP)LVA10308-A1AC IN31IC951D5V REG.241Q954,Q955DVD5V SWQ957Q959Q960CN801CN806CN9721F901D901B5
17、VDOOR M9VD5V2123DVD-P.ONQ964Q9651719S3.3VD3.3VCN803DVD3.3V2D5VD5VIC805A5VQ1181E.VOL+7VQ1182E.VOL-7VA5VTO CN502 OFLVA10311-A1(DVD servo) Power supply section1516A12VA-12V7-12VFROM/TOSystemcontrolP901TH-V70R2-6ABCD12345IC101FRONT ENDPROCESSORIC251SPINDELMOTORDRIVERIC301SODCIC502CLOCKGENERATORIC401UNIT
18、 CPUIC451EEPROMIC501PANTERA-2IC50516MSDRAMLD49,5053,5457-6062,63T+/-F+/-11,1213,149811STD0-7LSI RST1CPUA0-17WAITDECY OUTC OUTCb OUTCr OUTFROM/TOCN803 OFLVA10308-A1(System control)TO EXL-V9-1(DVD traverse mechanism)CN101LVA10311-A1CN50216141210IC201DRIVERFM+/-LM+/-17,1815,16SM1-32,4,7H1+/-H2+/-H3+/-9
19、-1450CPUD0-7X571OSC27MHz75 62379476IC509FLASHROMIC512IC513Latch114118112110CN5032472321191725M9VD5VS5VD3.3VS3.3VS1OUTTOPENTCLOSE/LMMUTESWOPEN(SW2)SWUPDN(SW3)DDATADAC0CS,DAC1CSDAC2CS,BCKLRCLK,AOUT0-3192K,SPDIFLRMUTE,SMUTEDCLK1516DISCSTP171920SSPCLK1BFLINT,SWMUTECPURSTSSPOUT1BDISCSET21SSPIN1A23FLCS-M5
20、VIC521-1/4IC521-2/4IC522-3/4IC523IC519EEPROM65IC521-3/4IC521-4/4IC522-4/4IC522-2/4IC522-1/4CN201CN202TO EXL-V9-1(DVD traverse mechanism)TO FLM-FD1-1(Loader mechanism) DVD servo sectionFROM/TOCN801 OFLVA10308-A1(System control)TRVSW1SWPHOTO(SW1)TH-V70R2-7ABC12345768435213157IC100GND.ISO.AMPMini Din C
21、ONNECTORJ100WOINFLIN3157IC101GND.ISO.AMPFCINFRIN3157IC102GND.ISO.AMPRLINRRIN2167IC103PHASE REVERSEAMPS100PHASE SWREVERSENORMALVR100WOOFER GAINPRESET VOLUME- 12V+12VP.CNTCN101LVA10203-A231IC108HPF- 12V3157IC109HPF3157IC110HPFCN201- 12V+12V- 12V+12VPRTCT51IC104LPFIC105WOOFER AMP3IN11213- OUT+OUTIC201,
22、 IC202AMPQ211THERMALPROTECTOR2Q205,Q210POWERSWITCHLVA10204-A2Pre-amplifier boardPower amplifier board (A)LVA10204-A1Power amplifier& SP terminal boardCN109RY401-RY40343J10154J1026RROUTRLOUTFCOUTFROUTFLOUTIC107MAIN AMP16CH3IN1819CH3+VECH3-VE151011CH2INCH2+VECH2-VE67CH1+VECH1-VE1CH1INIC106MAIN AMP15CH
23、2IN1011CH2+VECH2-VE67CH1+VECH1-VE1CH1IN+12VQ508-Q514MUTECONTROLLED1LED2PRY1PRY2Q500-Q505POWER CONTROL& PROTECTORQ515-Q517Q522,Q523PROTECTORAC INF403CN108RY400CN107T101TRANS.CN104AC/DCD511-D514AC/DCD515-D518+40V+20V- 20V+12V REGQ506,Q507F504MCONOUTMCONINQ202PRY2PRY1PRY1PRY2Q303Q302PRTCTPRTCTPRTPRTPRT
24、PRTPRTPRTPRTP.CNTP.CNTP.CNTQ518-Q521LOW VOLTAGEDETECTOR+20V- 20V+40V- 40VPRTCTLVA10203-A1Mother boardQ304 SP-THV70 powered subwoofer section121110987651CN202CN102123CN203CN103876- 40V+12V- 12V345789CN210CN110643212115CN211CN1119103613111064CN206CN10682019171311CN205CN10515Q301531Q3001524F50515241212
25、12LVA10204-A3Power supply board (B)7TH-V70R2-9ABCDEFG12345Digital (Audio) signal Audio signalVideo (Brightness) signal Video (Chrominance) signalVideo (Red) signalVideo (Green) signalVideo (Biue) signalParts are safety assurance parts.When replacing those parts makesure to use the specified one.YYCB
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