JVC-THA75R-ddcs-sm 维修电路原理图.pdf
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1、SCHEMATIC DIAGRAMSDVD DIGITAL CINEMA SYSTEMNo.21189SCH2003/02COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.TH-A75RTH-A75RContents Block diagramsStandard schematic diagramsPrinted circuit boards2-12-42-1521CD-ROM No.SML200302 Area suffixB - U.K.E - Continental EuropeEN - Northern EuropeEV - Eastern Eur
2、opeSP-WA75SP-XSA75SP-XCA75XV-THA75RSTANDBYCOMPACTSUPER VIDEOD I G I T A L E XP R O L O G I CDVD DIGITAL CINEMA SYSTEMRGBPHONESSOURCE VOLUME RMSTHA75RDVD CINEMA SYSTEMCHANNEL/ZOOMVOLUMETV VOLTUNINGSTOPDIMMERPAUSEFF/REWTV/VIDEO MUTING RECPLAYDOWNUPMEMORYSTROBEDVDVCR 1AUDIOVIDEO/TV SOUNDANGLEFM/AMSUBTI
3、TLEDECODERETURNDIGESTVFPTOP MENUMENUCONTROLEFFECTS.WFRTESTSLEEPTVVCRSETTINGTV RETURNENTERONSCREENCHOICEFM MODE123456789100+10100+TVAUDIOVCRSOUNDPTY SEARCHDVDRDSTA/NEWS/INFOPTYPTY RDS DISPLAYSURROUNDOFFDSPCENTER+SURR-LSURR-RS-BACK+ADJUSTO.T.REPLAYRadioFans.CN 收音机爱 好者资料库TH-A75RIn regard with component
4、 parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black 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.C
5、N 收音机爱 好者资料库TH-A75R2-1ABCDEFG12345CN101IC101FRONT ENDPROCESSORDVD servo boardLVA10298-C1Main boardLVA10375-A1IC301SODCIC201DRIVERIC401DISPLAYMICOMDI401FL DISPLAYIC271SYSTEMMICOMIC531DSPMICOMIC511CODECIC512DACIC521DSPIC5518CHVOLUMECN502CN209CN205CN203CN591J2403SCARTTERMINALBGR/CCYJ2401S-VIDEO OUTFROM
6、/TOTUNER UNITCN207CN401IC402REMOCONJ5531STB/DBS&VCRL/R INSwitch boardLVA10376-A1DSP boardLVA10377-A1DVD traversemechanismCN202IC251SPINDLEMOTORDRIVERIC401UNIT CPUIC501PANTERA-2IC505 DRAMIC509FLASHROMIC231VIDEODRIVERCN101AC INDVD traversemechanismT101T121Trans.REG.F1,F2D5V-VDISPCN174FanmotorPOWERswit
7、chCN201IC451EEPROMIC524F-ROMJ2401COMPOSITE VIDEO OUTJ2891AV COMPULINK2DVD loadermechanismIC201RDSB/E/EN/EVversion onlyCOMPOSITE/Y Overall block diagramBlock diagramsCN171CN173CN172LVB10378-A1Power boardCN202CN201CN208CN503CN592IC560 IC562IC564IC566AMP.IC540IC544IC546IC548IC557AMP.IC525IC526IC527SRAM
8、J5521STB/DBSDIGITAL INAmplifier boardCN701LVA10379-A1IC721MAIN AMP.IC701WOOFERAMP.CN402CN206Power key boardLVA10378-A3STANDBYLEDCYJ2201S-VIDEO IN1/IN2J2201COMPOSITE VIDEO IN1/IN2IC221VIDEOSW2IC211VIDEOSW1PROTECTOR&LOW VOLTAGEDETECTORCN702J701J702CN703CN204W401LVA10378-A4CN403J401HEADPHONEHeadphone b
9、oardCN203LVA10375-A18TU-R6TU-L10RDS4TU-DTO3TU-CKJ2TU-DTI1TU-CE14SPDIF16DISKSTP17SSPCLK1B18FLINT19SSPOUT1B21SSPIN1A23FLCS-25CPURSTCN205IC201RDS DECODERX2071OSCTU-R17TU-L18S-MUTING1112HP-R13HP-L16SCART-L15SCART-R7VOL_LATCH8VOL_CLK6VOL_DATA5DSP-CLK4DSP-STAT3S-PONDSP-COM2DSP-RDY1DSP-RST26D5V25D5VX2701OS
10、C8MHzIC271SYSTEM MICOM70,72-7421-2682,8398,995962-64753634,3542-47512967,6876PAL/NTSCAVVLRSCART_LINSCART_RINTOVideoinput/outputCN208FROM/TOCN591 OFLVA10377-A1(DSP)FROM/TOCN503 OFLVA10298-C1(DVD servo)FROM/TOTUNER UNIT8,9,10162DVD-PON17DI-DATA16DI-CLOCK15KEY1KEY213REMOCON8,9,18,2061,91,92CN207FROM/TO
11、CN401 OFLVA10376-A1(FL display)2714Q2861STBYLEDCTL81B/E/EN/EVversionQ2701BACKUPB5VQ2821SAFETY1DETECT+12V-12V6IEC95829Main boardQ2801Q2802S-MUTEDRIVER13 System control section27SWUPDN28SWOPEN19DI-RESET18DI-CS10HPHP-R9HP-L7POWER4STANDBY1CN202D5V5FROM/TOCN173 OFLVB10378-A1(Power supply)CN20167BEAT CUTA
12、MP-PON8921712FAN-ON/OFFFAN-CTL111079 80IC272Q2702RESET33FROM/TOCN172 OFLVB10378-A1(Power supply)9BASSIC251HP AMP.Q270387-8990SW1-SELECT1SW1-SELECT2SW1-SELECTBLANK-CTL34DBS-S/CVCR-S/C5455VIDEO-MUTE2VIDEO-MUTE149,56,57VIDEO-LPFVIDEO-YCMIXVIDEO-RGB41CN206CN402Power key boardLVA10378-A3onlyTH-A75R2-2TH-
13、A75RHABCDEFG12345IC101FRONT ENDPROCESSORIC251SPINDELMOTORDRIVERIC301SODCIC401UNIT CPUIC451EEPROMIC501PANTERA-2IC50516MSDRAMLD49,5053,5457-6062,63T+/-F+/-11,1213,149811STD0-7LSI RST1CPUA0-17WAITDECFROM/TOCN209 OFLVA10375-A1(System control)DVD traversemechanismCN101LVA10298-C1CN50215171921IC201DRIVERF
14、M+/-LM+/-17,1815,16SM1-32,4,7H1+/-H2+/-H3+/-9-1450CPUD0-7X571OSC27MHz79476IC509FLASHROMIC512IC513Latch114118112110CN5032725246812144M9VD5VS5VD3.3VS3.3VDDATA(NC)14131210986M5VIC521-1/4IC521-2/4IC522-3/4IC523IC510EEPROM65IC521-3/4IC521-4/4IC522-4/4IC522-2/4IC522-1/4CN201CN202DVD traversemechanismLoade
15、rmechanism DVD servo sectionFROM/TOCN208 OFLVA10375-A1(System control)TRVSW1X301OSC16.9MHz23X401OSC13.5MHz2726281134152411M5VDISCSTPSSPCLK1BSSPOUT1BDISCSETSSPIN1AFLINTFLCS-CPURSTSWUPDN(SW3)SWOPEN(SW2)DCLK(NC)SPDIFCOUTS1OUT(NC)TOPENTCLOSE/LMMUTECbOUTCrOUTM9VD3.3VD3.3VS3.3VYOUTD5VS5VM9VDVD servo board
16、IC231VIDEODRIVERS2401RGB/YCSWS/COMPOSITEVIDEO OUTJ2401AV COMPULINKCYTOSystemcontrolG/CVAVVLRNTSELB/CV1915R/CCOMPOSITE/Y11G7BJ2403LVA10375-A1 Video input/output sectionDI401FL DISPLAY1002,3,5,26CN4019,10162-VDISP17F218F1198FROM/TOCN207 OFLVA10375-A1(System control)B5VG1-G14P1-P3516D5VD5VREMOCON7INITI
17、AL2DATA IN3RESETIC401DISPLAY MICOMFL display sectionCLOCK411412VIC402RemoconreceiverB5V12V29LVA10376-A11114616822523312821Q23115R/C14CY511J2201S/COMPOSITEVIDEO IN 114CVCYS/COMPOSITEVIDEO IN 26986983161CV113161Q2301IC211VIDEOSW1IC221VIDEOSW2CV/YJ289133CVVIDEO-SW2VIDEO-SW1/SW3VIDEO-MUTE1/MUTE2VIDEO-Y/
18、C-MIXVIDEO-RGBVIDEO-LPFBLANK-CTLTOSystemcontrolHP-R11HP-L13HP10KEY15KEY26S402-S410 , , , , ,SOURCE VOL-,VOL+,Q404Q406ILLUMILED&DIMMERD402D403Q403Q405PROG/RGBLED&DIMMERD401402739CN403431W401431LVA10378-A4J401HEADPHONEMain boardQ2483Q248416BLANKINGSwitch boardX401OSC8MHzHeadphone boardTH-A75R2-3ABCDEF
19、G12345OUT_L-OUT_SLOUT_SROUT_COUT_SBMUTINGFROM/TODSPQ5711Mute controlIC5518CHVOLUMEIC560Amp.J5531IC562Amp.IC564Amp.Q5731Mute controlQ5712Mute controlQ5713Mute controlQ5732Mute controlQ5701Q5702Mute control91610151211343332373138 Audio input/output section29272645242322128IC521DSP15,4042,432,3,44143,1
20、441554145,46,4849,5211178831OUT_SRMUTINGIC531DSP MICOMIC511CODECQ531X531OSC6.14MHZ30OUT_SL29OUT_LFE28OUT_C26OUT_SBVOL_DATVOL_STB32IN_L33IN_RIC525-IC527SDRAMVOL_CLKVOL_DATVOL_STBD5VD5VDSP_RSTDSP_REDYDSP_COMDSP_STATIEC958VOL_CLKLVA10377-A1FROM/TOCN203 OFLVA10375-A1(System control)CN591IC592REGA3.3VFRO
21、M/TOAudioinput/output DSP section7-135-7,1012-16D1.9VIC593REGQ532X521OSC12.5MHZLVA10377-A1462IN_LIN_ROUT_LFE13Q5714Mute control74-7769-72LRLRQ5733Mute controlTUNER_LSCART_LTUNER_RSCART_RSTB/DBS INVCR IN7438OUT4_LOUT4_ROUT4_SLOUT4_SRCN59262OUT4_COUT4_SBIC566Amp.351OUT4_LFETO CN701 OFLVA10379-A1(Power
22、 amplifier)Q5661-Q5663BASS BOOST1214CN5911315HP_L17HP_R18TO CN203 OFLVA10375-A1(System control)Q5734Mute controlS_MUTING19S_BASS21OUT_L+OUT_R-OUT_R+VOL_DATVOL_STBVOL_CLK262527DIGITAL_I/OJ5521STB/DBSDUGITALIN25DSP_CLK43IC524FLASH-ROM84IC532IC5332144715-194418,5764-67IC512DAC412OUT_L+11OUT_L-10OUT_R+9
23、OUT_R-6,41DIGITAL_I/ODSP boardIC540Amp.IC557Amp.IC544Amp.IC546Amp.IC548Amp.DSP board1454,56,665-81,2,43CN171T101POWERTRANS.9215734Q172REG.TOFAN MOTOR5+37V7+22V6L103IC101SWITCHREG.TO CN703 OFLVA10379-A1(Power amplifier)LVA10378-A1AC INQ184-Q186F101D101 Power supply sectionCN10121L101L10256+37V8+22V11
24、-22V13-37V12-22V14-37V1110T121POWERTRANS.114IC121SWITCHREG.53434+12V2-12V1PROTECTCN17213F214F189Q171REG.15-VDSP12IC171REG.21CN1732DVD3.3V3DVD3.3V4DVD5V6D5V7M9V8M9V1316Q161REG.16B5V12SYS-PON11DVD-PON10BEAT CUT9AMP-PON8FAN-CTL7FAN-ON/OFF6-12V5-7V2+7V1+12V14Q162REG.Q165REG.Q166REG.Q183REG.CN17414Q163Q1
25、64Q174Q175Q176Q177IC102-IC104PHOTOCOUPLERQ188Q181,Q182Q187TO CN201 OFLVA10375-A1(System control)TO CN202 OFLVA10375-A1(System control) Power amplifier sectionIC701WOOFERAMP.12133CN7014SL3SR2SB1LFE8R7L6CIC721MAINAMP.2628251621157931610RY701-RY7048642J702LFEOUTFROUTFLOUTFCOUT642J701SROUTSLOUTSBOUT+12V
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