JVC-THV70-ddcs-sm 维修电路原理图.pdf
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1、TH-V70No.21136SCHJul. 2002COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.SCHEMATIC DIAGRAMSTH-V70Contents Block diagramsStandard schematic diagramsPrinted circuit boards2-12-92-21 26CD-ROM No.SML200207 Area suffixA - AustraliaUS - SingaporeUB - Hong KongUX - Saudi ArabiaDVD DIGITAL CINEMA SYSTEMSP-PWV7
2、0XV-THV70SP-XCV70SP-XSV70SP-XSV70SP-XSV70SP-XSV70RMSTHV70UDVD CINEMA SYSTEMCHANNELVOLUMETV VOLTUNINGSTOPDIMMERPAUSEFF/REWTV/VIDEOMUTINGRECPLAYDOWNUPMEMORYSTROBEDVDVCR 1AUDIOAUXANGLEFM/AMSUBTITLEDECODERETURNDIGESTZOOMVFPTOP MENUMENUZOOMCONTROL SUBWOOFER +EFFECT CENTER + REAR-R +TESTSLEEPTVVCRSETTINGT
3、V RETURNENTERONSCREENCHOICEAUDIO/TV/VCRSURROUNDMODEFM MODE123456789100+10100+CATV/DBSTVAUDIOVCR+ REAR-L +SOUNDPROGRESSIVERadioFans.CN 收音机爱 好者资料库TH-V702-2In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with bla
4、ck such as the resistor ( ), diode ( ) and ICP ( ) or identified by the mark nearby are critical for safety. (This regulation does not correspond to J and C version.)RadioFans.CN 收音机爱 好者资料库TH-V702-1ABC12345CN101IC101FRONT ENDPROCESSORDVD servo boardLVA10311-A1Main boardLVA10308-A1IC301SODCIC201DRIVE
5、RIC701DISPLAYMICOMDI701FL DISPLAYIC801SYSTEMMICOMIC406DSPMICOMIC401CODECIC403DSPIC1536CHVOLUMEIC151INPUTSELECTDISCLEDDOORDETECTSWITCHDOORMOTORCN502CN803CN805CN806CN401J603COMPONENTVIDEO OUTCrCbYCYJ601S-VIDEO OUTFROM/TOTUNER UNITW812CN812CN814W802CN106CN802CN701IC711REMOCONJ1101AUX INLRFront boardLVA
6、10320-A1CN801CN503DSP/Audio boardLVA10309-A1EXL-V9-1LVA10308-A4LVA10308-A574536821SYSTEMCONNECTORJ1103DVD traversemechanismCN202IC251SPINDLEMOTORDRIVERIC401UNIT CPUIC501PANTERA-2IC505DRAMIC509FLASHROMIC601VIDEODRIVERP901AC INEXL-V9-1DVD traversemechanismT901Trans.REG.F1,F2B5V-VDISPD5V,DVD 5VDVD3.3VP
7、.ON,B5V+12V,-12VDOOR M9VCN972FanmotorIC871REMOCONIC108DOOR MOTORDRIVERKeyswitchLVA10308-A2CN813W801 Overall block diagramCN201IC451EEPROMIC404SDRAMJ601COMPOSITE VIDEO OUTJ592AV COMPULINK2CN815CN592Compulink boardLVA10308-A3CN811CN591J591D TERMINALJapan version onlyBlock diagramsFLM-FD1-1DVD loaderme
8、chanismTH-V702-2ABCD12345CN806CN106LVA10308-A18TUR6TUL10RDS4TUDTO3TUCK2TUDTI1TUCE14SPDIF1SWPHOTO16DISKSTP17SSPCLK1B18FLINT19SSPOUT1B21SSPIN1A23FLCS-25CPURSTCN805IC191RDS DECODER731,9IC108MOTORDRIVERX191OSC4.322MHzTUNER R22TUNER L21SMUTE28SW P.ON2729AUX30TUNER24OUT L26OUT R13VOL_DT14VOL_CK12VOL_STB11
9、DSPCLK10DSPSTATUS9P.ONDSPCOMMAND8DSPREADY7DSPRESET2D5V1D5VX801OSC8MHzIC801SYSTEM MICOMIC803RESET33470,72-745,21-268356,574,485962,643634,3542-472967,68 76899085RGB/NTBAVVLRAUDIO_LAUDIO_RD5V12S551DOOR DETECTSWITCHLVA10308-A4TOVideo I/OCN801FROM/TOCN401 OFLVA10309-A1(DSP)FROM/TOCN503 OFLVA10311-A1(DVD
10、 servo)FROM/TOTUNER UNITTODoor motorCN814W8028,9,1016Q8162DVD P.ONTOPower supply8RESET9CLOCK10DATA ININITIAL12REMOCON18,2091,92CN802FROM/TOCN701 OFLVA10320-A1(FL display)27113232IC871REMOCONLVA10308-A5W812CN8122121Q8711REM +BCTL5055Q8712Q8713LEDCTL79,80LED boardOpen/Close boardS501-S510Key switchLVA
11、10308-A2CN813W8013232Switch board8,9B/E/ENversionTOAudio I/OQ818BACKUPD8721D8722DISC LEDB5VQ803SAFETYDETECT+12V-12V30IEC9585Main boardQ802Q805SMUTEQ804Q807SW P.ON13Japan version System control sectionTH-V702-3ABC12345LOUT1ROUT1LOUT2ROUT2LOUT3ROUT3MUTEVOL_STBVOL_DTVOL_CKLIN+LINRIN+RINLRJ1101AUXINFROM
12、/TODSPIC531Amp.Q2521Mute controlIC1536CHVOLUMEIC158Amp.J1103SYSTEMCONNECTORIC159Amp.IC160Amp.Q1131Mute controlIC561Amp.Q2561Mute controlIC581Amp.IC510,511Amp.Q2581Mute controlQ1133Mute controlQ1135Q1137Mute controlIC151INPUT SELECTQ2501Q2502Mute controlMute controlQ12523AUX5SW.P.ON4S MUTE8OUT_L6OUT_
13、R11TUNERL10TUNERR2TUNER745368211513981162143891012651311333634353132394041FROM/TOCN806 OFLVA10308-A1(System control)CN401 Audio input/output sectionA5V12A5VQ1252Mute controlMute controlQ1252Q1251Mute control2123243130201918272234IC403DSP40,42,431,3-783,85-8984994146-50,5316,18-20,22711737,3894111721
14、848827LOUT1MUTETXRXTESTIC406DSP MICOMIC401CODECQ403X402OSC6.14MHZ28ROUT125LOUT226ROUT223LOUT324ROUT3VOL_STBVOL_DT30LIN+29LIN-32RIN+31RIN-IC404SDRAMVOL_CKVOL_STBVOL_DTD5VD5VDSPCLKDSPSTATUSDSPCOMMANDDSPREADYIEC958VOL_CKLVA10309-A1FROM/TOCN806 OFLVA10308-A1(System control)CN401235CN40371IC407D3VVDDFROM
15、/TOAudioinput/output DSP sectionIC40841-4364,66,67A5V54VDDAIC402A3VQ401Q402X401OSC24.576MHZLVA10309-A1IC409DigitalinputIC410Digitaloutput31TH-V702-4ABCD12345CN8031210IC601VIDEODRIVER1416S691NTSC/PALSWJ601COMPOSITEVIDEO OUTJ601S-VIDEO OUTJ603COMPONENTVIDEO OUTJ592AV COMPULINK2CrCbYCYFROM CN502OF LVA1
16、0311-A1(DVD servo)TOSystemcontrolCrOUTAVVLRRGB/NTBCbOUTCOUTYOUTCN5924213CN8151311975102PbYJ591D TERMINALPrS802VER/HORSWVER/HOR1915R/CCOMPOSITE/Y11G7BJ691SCARTTERMINALLVA10308-A1U versionJapan versionCN591CN811B/E/EN versionExceptB/E/EN version Video output sectionLVA10308-A3DI701FL DISPLAY1002,3,5,2
17、6CN7019,101, 261. 62-VDISP3F22F115FROM/TOCN802 OFLVA10308-A1(System control)B5VG1-G14P1-P356D5VD5VOSCX7018MHzREMOCON12INITIAL11DATA IN10RESETIC701DISPLAY MICOMFL display sectionCLOCK987-12VIC711RemoconreceiverB5V-12V27Q71028Q711D701POWER LEDHORIZONTALD702-D710KEY LEDHORIZONTAL29Q71230Q713D711POWER L
18、EDVERTICALD712-D720KEY LEDVERTICAL39Q721DIMMER40Q722,Q723DIMMER31Q709LVA10320-A1531161461182212331252833B/E/EN versionTH-V702-5ABC12345CN802T901TRANSFORMERQ951FL SW718913411216Q953-VDISPD956Q958D957Q961IC953B5V REG.1P.ON18A7V20A5V19A-7VFAN MOTOR2F21F13-VDISP6D5V5B5V15M5VS5V25M9V1435L901IC901SWITCHRE
19、G.TO CN701 OFLVA10320-A1(FL display)TO CN503 OFLVA10311-A1(DVD servo)TO CN401 OFLVA10309-A1(DSP)LVA10308-A1AC IN31IC951D5V REG.241Q954,Q955DVD5V SWQ957Q959Q960CN801CN806CN9721F901D901B5VDOOR M9VD5V2123DVD-P.ONQ964Q9651719S3.3VD3.3VCN803DVD3.3V2D5VD5VIC805A5VQ1181E.VOL+7VQ1182E.VOL-7VA5VTO CN502 OFLV
20、A10311-A1(DVD servo) Power supply section1516A12VA-12V7-12VFROM/TOSystemcontrolP901TH-V702-6ABCD12345IC101FRONT ENDPROCESSORIC251SPINDELMOTORDRIVERIC301SODCIC502CLOCKGENERATORIC401UNIT CPUIC451EEPROMIC501PANTERA-2IC50516MSDRAMLD49,5053,5457-6062,63T+/-F+/-11,1213,149811STD0-7LSI RST1CPUA0-17WAITDECY
21、 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+/-9-1450CPUD0-7X571OSC27MHz75 62379476IC509FLASHROMIC512IC513Latch114118112110CN5032472321191725M9VD5VS5VD3.3VS3.3VS1OU
22、TTOPENTCLOSE/LMMUTESWOPEN(SW2)SWUPDN(SW3)DDATADAC0CS,DAC1CSDAC2CS,BCKLRCLK,AOUT0-3192K,SPDIFLRMUTE,SMUTEDCLK1516DISCSTP171920SSPCLK1BFLINT,SWMUTECPURSTSSPOUT1BDISCSET21SSPIN1A23FLCS-M5VIC521-1/4IC521-2/4IC522-3/4IC523IC519EEPROM65IC521-3/4IC521-4/4IC522-4/4IC522-2/4IC522-1/4CN201CN202TO EXL-V9-1(DVD
23、 traverse mechanism)TO FLM-FD1-1(Loader mechanism) DVD servo sectionFROM/TOCN801 OFLVA10308-A1(System control)TRVSW1SWPHOTO(SW1)TH-V702-7ABC12345768435213157IC100GND.ISO.AMPMini Din CONNECTORJ100WOINFLIN3157IC101GND.ISO.AMPFCINFRIN3157IC102GND.ISO.AMPRLINRRIN2167IC103PHASE REVERSEAMPS100PHASE SWREVE
24、RSENORMALVR100WOOFER GAINPRESET VOLUME- 12V+12VP.CNTCN101LVA10203-A231IC108HPF- 12V3157IC109HPF3157IC110HPFCN201- 12V+12V- 12V+12VPRTCT51IC104LPFIC105WOOFER AMP3IN11213- OUT+OUTIC201, IC202AMPQ211THERMALPROTECTOR2Q205,Q210POWERSWITCHLVA10204-A2Pre-amplifier boardPower amplifier board (A)LVA10204-A1P
25、ower amplifier& SP terminal boardCN109RY401-RY40343J10154J1026RROUTRLOUTFCOUTFROUTFLOUTIC107MAIN AMP16CH3IN1819CH3+VECH3-VE151011CH2INCH2+VECH2-VE67CH1+VECH1-VE1CH1INIC106MAIN AMP15CH2IN1011CH2+VECH2-VE67CH1+VECH1-VE1CH1IN+12VQ508-Q514MUTECONTROLLED1LED2PRY1PRY2Q500-Q505POWER CONTROL& PROTECTORQ515-
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