Technics-SADA8-avr-sch 维修电路原理图.pdf

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1、IC402NJM4580EDTE1IC451AN6558FIC503NJM4580EDTE1IC401TC9163ANINPUT SIGNAL SELECTORIC351NJM2296DVIDEO SIGNAL SELECTORCD67GND2GND18-VQ352Q351+V111514DT SELCK SELST SELVIDEO AVIDEO B2D352D3511791013(3)26X2X1X3(2)27(4)25(5)24(6)23(7)22X4X5(9)20(10)19(12)17X7X8Level shiftLatch circuitShift registerGND(11)1

2、816151314(8)21X6TV INVss128VDDPHONOPBRO LCHVCRREC(OUT)PLAY(IN)TAPEVCR1 OUTMONITOROUTVIDEOTV INDVD INVCR2REGULATORREGULATORPHONOEQ AMP5VCR3 INVIDEO C6BUFFERAMPDVD LCHTUNERMODULETONEAMPVR502DVD_LCHREC_LLCHFROM IC901S301S301VR501VCR1 IN+B+B-B-BRCHRadioFans.CN 收音机爱 好者资料库IC1003SN74LV244APWLOGIC CONTROLIC

3、1004SN74AHCT244PWLOGIC CONTROLIC1006SNAHC1U04DBVINVERTERIC1206(1207)NJM2115DIC1002CS4226-KQGDIR/DAC/VOLIC1201NJM4580EDTE1IC1204NJM4580EDTE14244RX318A GND1A GND2D GND2D GND1203941727SPIDEMA OUT626A OUT52534568910(13)24-bitDSP PROCESSINGRAMPROGRAMMEMORYRAMDATAMEMORYSTCRAMINPUTBUFFERPLLCLOCK MANAGERDAT

4、A07811,1417CMP DAT27CMP CLK28CMP REQ2925SCLK N126LRCLK N122SDATA N1CLK INCLK SEL3031Vss2Vss1Vss3VDD2VDD1VDD3FILTDFILTS32331322412123MCLK44SCLK43LRCLK42AU DATA041AU DATA140AU DATA239XMT9583IC1001CS49326-CLRAC3/DTS DECODER DSPFILT171940+VA+VDCM OUT1636SCD OUT19EMWR4EXTMEN2120INTREQ5EMOESCDIN6SCCLK7CS1

5、8RESET36INTREQSCD OUTD OUT1D IN332D IN233D IN1343031MCLK OUT37LRCKSCLK38AUDATA0AUDATA1AUDATA2X1001(12.288MHz)SCLKSCLKLRCKLRCKA OUT3(4)23(24)CCLKCD OUTCD INCSPDNAUDIOAIN1L(AIN1R)OVL/ERRCCLKCD OUTCD INOVL/ERRPDNCS42CS RESETCS4943RX1RX2AIN2L(AIN2R)A OUT1(2)21(22)Q1001POWER11(12)AIN1L14VSSA35VDDA34TV(OP

6、TICAL)DVD(OPTICAL)CD(OPTICAL)DIGITALPOWERSUPPLYAUDATA0AUDATA1AUDATA2XMT958XMT958DIGITALAUDIO INPUTINTERFACEFRAMERSHIFTERROMPROGRAMMEMORYRAMDATAMEMORYINPUTBUFFERCONTROLLERRAMOUTPUTBUFFEROUTPUTFORMATTERPARALLEL OR SERIAL HOST INTERFACECOMPRESSEDDATA INPUTINTERFACESPDIFRECEIVERBUFFERAMPBUFFERAMPIC1005S

7、N74HCU04APWLOGIC CONTROLBUFFERAMPL_DSPA OUTMCLKMCLKXTI28AINAUX15+B+B+B+B+B+B+BRadioFans.CN 收音机爱 好者资料库IC406NJM4580EDTE1IC1203NJM4580EDTE1IC1901M38B57M6154FSYSTEM CONTROL-BCS42PDNPOWEROVL/ERROVL/ERRPOWERPDNCS4221776579CS RESET80CS RESETCS49CS4969SCD OUT72SCD OUTSTB SCLK SDAT S25262722(7)24(5)23(6)X3X4

8、X2-121(8)43SW CONT.CLKSTBDATA131516C CLKCD OUTCD INCCLKCD OUTCD IN647071INT REQINTREQ222X1-1X2-2262725X1-210(19)X520(9)X6-114GNDVss1X OUTX IN1514CF190110Q1901RESET23HOLDCLOCKCK VRDATADT VR56S CLKCM CKS OUTCM DO6667S INCM DI6816VDD74VREFREQSCM RQS76REQMCM RQM7873AVSS13GND28-VPST SELCK SELDT SEL9INT25

9、7INTRESETQ1902,D1901MUTEA29BUFFERAMPDVD SWTVIC1205NJM4580EDTE1BUFFERAMPIC1202NJM4580EDTE1MIXERSTATUSST VR4MUTE_SIC403TC9162ANSIGNAL SELECTORC_INDSP_SWDVD_LCHSTB S75VR501(VR_PS)BUFFERAMPDSP_SWA OUTREC_LL_DSPRESETDVD CD_C+B+B+B+BIC1211TC9459FSOUND CONTROLLER(VOLUME)IC1213TC9459FSOUND CONTROLLER(VOLUME

10、)IC1212TC9459FSOUND CONTROLLER(VOLUME)IC506NJM4580DDIC1208NJM4580EDTE1IC505NJM4580DDQ1201MUTING1312141312144(21)L ch IN(Rch IN)2LOUTBUFFERAMPTONEAMPRL501(D/A)Q511,Q513(Q512,Q514)REGULATORVR502(BALANCE)TONEAMPRL502(VGCA)RL503(BI-AMP)RL504D/A (LS)2IC1210NJM4580EDTE1BUFFERAMPTONEAMPIC507NJM4580DDTONEAM

11、PIC502NJM4580EDTE1VR501(SL)Q503RELAYDRIVEQ501RELAYDRIVEQ507,Q508(Q509,Q510)MUTINGRELAYDRIVEQ502SL_OUT21SW_IN23(2)LOUT13IC1209NJM4580EDTE1BUFFERAMP1214IC508NJM4580DDTONEAMPSUBWOOFEROUTIC504NJM4580EDTE1TONEAMP4C_INMAIN_LINMAIN_LSDT_VRCK_VRMUTE_SST_VRDT_VRCK_VRST_VRST_VRCK_VRDT_VRRL505(C)Q515(Q516)RELA

12、YDRIVEDPASSBUFFERAMPIC405NJM4580EDTE1DVD SL4(21)SL_INC_IN169CS1DT2CLK2STB2DT3CLK3STB3CS2DT1CLK1STB1D/AD/ALCHMD_CRCHYCYCYC-BIC302NJM2279DVIDEO SELECTORIC501BA6218MOTOR DRIVERIC902BU2090AI/O EXPANDERIC301NJM2279DVIDEO SELECTORIC901M38B57MCA242SYSTEM CONTROL/FL DRIVE7071727678COM CKCOM DOCOM DICOM REQS

13、COM REQMCM CKCM DOCM DICM RQSCM RQM79VIDEO B80VIDEO AVIDEO BVIDEO A10RESETQ90122HOLD60VOLDOWNDATA23CLK1VSS17LED CK18LED DATA16VDD47,915Q011Direction selectDrive2,5,831679M61VOL UPRESET9REMOTEZ901(REMOTESENSOR)VREFVEE7428Q90216VDDREGULATOR24DPASS27VGCA69MMD_CTRLMAIN_CIN11VGCAMAIN_CIN3121011223121011T

14、V/MONITOR OUTDVDVCR1 INMMD_CTRLD302D30113C+B+B+B+B+B+B+B-B-B-B+B+B-B-B-B-B+B-B-B-BIC901M38B57MCA242SYSTEM CONTROL/FL DRIVE63,75IF DATASD3348SEG1164958DEG1110FL DISPLAYFL90159INIT INIC601RSN313H25-PPOWER AMP HIC29S/C SP25RLY30SP BSP A31S/C SPRLYSP BSP A5OVERLOAD2Q61664LIMITERKEYSWITCH1,2KEY1,2X OUTX

15、IN1514CF901VR901(INPUTSELECTOR)21SEL1SEL223LIMITTERS-DET2AC Det131814122253621204-B+B118+-+-157Mut Out+VccLow-VccLow-VD-Vcc Hi-VHoutOut 2chOut 1ch-VHout+Vcc Hi+VDIH Det+IN Gnd-IN 2ch8Gnd11OverloadDisplay-IN 1ch9Over Det10DC Det+BIC651RSN313H25-PPOWER AMP HIC2AC Det131419122253621204118+-+-157Mut Out

16、+VccLow-VccLow-VD-Vcc Hi-VHoutOut 2chOut 1ch-VHout+Vcc Hi+VDIH Det+IN Gnd-IN 2ch8Gnd11OverloadDisplay-IN 1ch9Over Det10DC Det-BD652RCHIC602RSN313H25-PPOWER AMP HIC2AC Det131419122253621204-B+B118+-+-157Mut Out+VccLow-VccLow-VD-Vcc Hi-VHoutOut 2chOut 1ch-VHout+Vcc Hi+VDIH Det+IN Gnd-IN 2ch8Gnd11Overl

17、oadDisplay-IN 1ch9Over Det10DC DetD652+BH.P.FL.P.FL.P.FAF MUTE32AMUTEQ652Q651Q6143THERM/OVLD4KEY4Q613Q615LIMITTERQ612SWITCHQ611MAIN_LSMAIN_LINRELAYDRIVECONTROLSWITCHSWITCHSWITCH6567TCETCKTDTTO TUNER MODULEL.P.FH.P.FMRELAYDRIVECONTROL-B-B+B+B-B+B+B+BRCHRCHRCHRCH-B-B-BQ601Q602Q1681(Q1682)R chHP601HEAD

18、PHONESQ603RL601RL602RL604RL603MQ772Q778,Q780,Q781POWER TRANSFORMER(MAIN)POWER TRANSFORMER(SUB)T701SP ASP BS/C SPQ751RLYD701D704Q707,D707F3F4Q708,D708Q724T751D721D728D751D754Q752,Q753Z751F1RL751JK791AC INL701SPEAKERAC1AC2FL DISPLAY(FL901)F5Q1701Q1703IC1701PQ30RV11D741D744MUTINGRELAYDRIVERELAYDRIVEREL

19、AYDRIVEFRONTSPEAKER(A)FRONTSPEAKER(B)CENTERSPEAKERSURROUNDSPEAKERFAN MOTORDRIVEFAN MOTORRELAYDRIVEJK792AC OUTLET(SWITCHED)REGULATORREGULATORS-DETQ723REGULATORREGULATORRELAYDRIVEH.P.FAMUTEQ653Q607RL605RELAYDRIVEQ606SIGNALAMPMMDOUTOUTOVER DETOVER DETQ754REGULATORQ725Q706SWITCHSIGNAL LINESMAIN SIGNAL L

20、INEFM & AM SIGNALS LINECD SIGNAL LINEPLAYBACK SIGNAL LINERECORD SIGNAL LINE( ) indicates Pin No. of right channel.DVD (AUDIO/VIDEO) SIGNAL LINECRELAYDRIVECONTROLREGULATORREGULATORREGULATORREGULATORQ701,Q703,Q704+B+B+B+B+BM38B57MCA242 (80p)M38B57M6154F (80p)CS4226-KQG (44p)BA6218TC9459FRSN313H25-PAN6

21、558FNJM2115DNJM4580DDNJM4580EDTE1BU2090ANJM2296DTC9162ANTC9163AN2SB621AQSTA2SC1845FTA2SD1915FTA2SA933SSTA2SC1740SSTARVTDTA113ZSTRVTDTC113ZSTRVTDTA114ESTRVTDTC114ESTRVTDTC114YSTRVTDTA143XST1N5402BM21RK306LFU1MTZJ10CTAMTZJ16CTAMTZJ27DTAMTZJ30BTAMTZJ3R0BTAMTZJ3R3ATAMTZJ3R9ATAMTZJ5R1BTA2SB1548PQAU2SD237

22、4PQAUSLR325MCT31SLR325YCT31SLR325VCT312SK2880CTA1261191122413145818169NJM2279D171481142815BCEECBECBDSGBCE2SA1534AQRTA2SC3940AQSTABCEACaCathodeAnodeAnodeCathodeACaMTZJ5R6BTAMTZJ6R2BTAMTZJ6R2CTAMTZJ6R8BTAMTZJ7R5CTAMTZJ8R2CTA1SS291TARVD1SS133TAACaCathodeAnodeRVTDTC143XSTRVTDTA114YSTCS49326-CLRSN74LV244

23、APW (20p)SN74HCT244PW (20p)SN74HCU04APW (8p)SNAHC1U04DBVPQ30RV11DTA114YETL2SD2137PQTA1BCEBCENo. 1RB721Q40T771SR35400VACaCathodeAnodeJ221J222JK791JK792W1W2W3(BLACK)(WHITE)(BLUE)L701AC IN120V-60HZAC OUTLETE351231W355123456789ABCDEFGAC IN/OUT P.C.B. (REP3021B-P)EARTH TERMINAL P.C.B.(REP3020B-S)ABCDEFG1

24、23456789DTS MODULE P.C.B (REP2703D-T)DTS MODULE P.C.B (REP2703D-T)(SIDE: B)(SIDE: A)C1003C1006C1010C1011C1005C1001C1007C1004C1026 C1024C1030C1031C1029C1025C1040C1036C1032C1039C1042C1043C1047C1027C1034C1053C1038C1037C1035C1044C1046C1050C1051C1052C1048C1049C1045C1033C1041R1025R1029R1028R1024R1023R1027

25、L1001L1002L1004L10031234567891011121314151617181920CN100212345678910111213141516CN1001710151718202528293035396144R1022R1021R1020R1013R1014R1015R1016R1017R1018R1019R1036R1038R1037R1039R1040R1035R1026R1031R1030R1034R1033R1032R1042R1041R1043R1046R1054R1051R1050R1053R1049R1063R1062R1068R1048R1044R1045R1

26、069R1058R1059R1057R1056R1067R1066R1065R1064R1047R1012110111520IC10031510111520IC10061 345X100115781 014IC1005IC1002IC1001C1009CEBQ1001151011121520222325303533344044C100840IC1004R1052C10025R1060R1061R1055R351JK352J356J357J358J359J360J200W352S301R424C442R421R422W353W351C358W355J201J361C441R423C4431316

27、23453112312 345 6789101112224251RL36AUDIO INVIDEOINVR3R351JK352J356J357J358J359J360J200W352S301R424C442R421R422W353W351C358W355J201J361C441R423C443131623453112312 345 678910111222425136ABCDEFG123456789GKEY P.C.B. (REP3020B-S)EFRONT VCR3 INPUT P.C.B.(REP3020B-S)FS-VIDEO P.C.B. (REP3020B-S)IC302C313IC

28、301C314R315R316D302D301C309C311C310C312R311R312R303C301R301R304C302R302R313C307R314C308C303R307R305C304R308R306R309C305R310C306JK30116W354J161J162J163J164J165J166J167J1681781414871234569 10 1112 1323 45234569 10 1112 13135244253113524TV OUTVCR1DVDW905CP503CP50218TU_DWTU_UPPRESETMEMORYBANDFM_MODEDSP_

29、MODEDVD6CHVGCASP_ASP_BBI-WIREVCCGND321J175J176J177J178J179J180J181J349J182J183J184J185J186J187J188J189J190J191J192J193J194J195J350J351J352J353J196J354J197J355J198J199R931R932R933R934R935R936R937R938R945R941R942R943R94418916IC902C926R954C927R955R950R951R939S902S911S912S905S906S908S907S903S904S909S914

30、S913R1691R1693R1695R1697R1689R1687R1685R1683R1681Q1681R1679R1680R1692R1694R1696R1698R1690R1688R1686R1684R1682Q1682C1685R1699Z901D935D936D937C925C924R957W907J2235112345678910111212342 3 4 5 6 723423456710 11 12 13 14 15CEBCEBSENSORW905CP503CP50218TU_DWTU_UPPRESETMEMORYBANDFM_MODEDSP_MODEDVD6CHVGCASP_

31、ASP_BBI-WIREVCCGND321J175J176J177J178J179J180J181J349J182J183J184J185J186J187J188J189J190J191J192J193J194J195J350J351J352J353J196J354J197J355J198J199R931R932R933R934R935R936R937R938R945R941R942R943R94418916IC902C926R954C927R955R950R951R939S902S911S912S905S906S908S907S903S904S914S913R1691R1693R1695R1

32、697R1689R1687R1685R1683R1681Q1681R1679R1680R1692R1694R1696R1698R1690R1688R1686R1684R1682Q1682C1685R1699Z901D935D936D937C925C924R957W907J2235112345678910111212342 3 4 5 6 723423456710 11 12 13 14 15CEBCEBSENSORIJKLMHG IVOLUME P.C.B. (REP3021B-P)JHEADPHONES P.C.B.(REP3020B-S)NCVR501CN501CP451CN5021J20

33、2IC50119R501R502L502L501C501R503C502C503C504E501DC1101813J425J203L RJ204J426J427J428J205J429J206J430J207J208J209J431J210J211J212J213J432J433J214J434J435J215RSLSJ436J218J219J220C550C548C547C549IC502R550C542R549C541R541R542R543R544R556R545R546R547R554R555IC503IC504R551C543R552C544C551C552C554C553R553C

34、545C555CP506118445588145J2169J444C486C485C487R483R484R48523456782345678223456723456789VOLUMEHP601CN50314123423HP601CN50314123423HEADPHONESCP503POWERJ350J351J352J353J196S901R1691R1693R1695R1697R1689R1687R1685R1683R1681Q1681R1679R1680R1692R1694R1696R1698R1690R1688R1686R1684R1682Q1682C1685J2231234CEBCE

35、BCP503POWERJ350J351J352J353J196S901R1691R1693R1695R1697R1689R1687R1685R1683R1681Q1681R1679R1680R1692R1694R1696R1698R1690R1688R1686R1684R1682Q1682C1685J2231234CEBCEBREF NO.SEMICONDUCTOR LOCATIONLOC NO.D935B7D936B7D937D6IC902C7Q1681G7Q1682G7S901H6E6F9S902S903REF NO. LOC NO.S906E8S907D8S908E8S909D9S911

36、E6S912D6S913C7S914C7Z901C8S905F8E9S904123456789ABCDEFGINPUT SELECTOR P.C.B. (REP3021B-P)IC351VCR_RECLchRchVCR_RECVCR_INT_PBT_RECCDT_PBT_RECCDJ185R406R409R407R408R411C444R405R401R402R403R404IC401CN401CN402CN403JK402J184J383J381J382J384J385C363C359D354D353VCR3_VVCR_INVCR_OUTVCR2VCR2VCR_INRchLchR412R36

37、0C355R410C357R358R361C356C366R352R356C484J186J2011142815C404C403J188J189J386J387C406C405R359R353R362C360C365J3881845J389R364R363R365R481R482J390J391R357R354J190R355J191J192J392J393J394J395J396J397J194J195J398J400J196J197J401J198J402J403J404J199J408J409J200J410J411J412J413J414J415J416J417J418J419J420

38、J421J422J423J442J424C412C411C351C354C483C353C352D351D352Q352C362R368C364R370Q351C361R369R367R426C402C401R425R427R429R428R432R434C408R436C410C409R431R433C407R435IC402J399J405J406J407CP351CP353CN354JK403JK404JK405INOUTINOUTJ227J228J229J230161316J445J187J241234522345123456789 10 11 12 13 14 15 167 6 5

39、4 3 2 112345677 6 5 4 3 2 1CEBCEBTAPEVCR1TVSUBWOOFEROUTABCDEFG123456789MAIN P.C.B. (REP3019B-M).C701D707C621R635C62222IC6011510520Q707C712C711D703D701C702C721R722C705E601BR7291W752Q706C710C715Q701D602R653C709R705R706R725D708R711R707J138Q703C707Q704CEE C BC708R724D705R708C706R721R713R714C714C603C653C

40、618C635R655C617C616R605R603R638C657R633R631C607R632D605R624R629R728D7023Q724Q723R723Q725D731D732151015R726R727R72012R687D651Q652R688D652C665R685R682R683R681R684R658Q651C608R608R679C658C667C668C671C672C666IC6021CN9028CN50418CN5051CN901BD727D723D724D726D725D721Q612Q616D625D622D621D626D620D627D628D629D

41、630Q615Q611Q614Q613121W102R634R693R691R695R69230R671R672R657R712C722CP1204CP12037171CP4037Q775R776Q778Q777D771D772R771C774R782D774C775Q774Q781R768R770D770R769D769R767C777C780R774C771C772Q773R784C776C773R775D773D768C781Q780R766R786R773Q776R777Q772R779C778C779R778D619D616Q606R651R601C651C641C652W611W6

42、12D704Q708R799D722D728W701D623C704C703C627C628R780C602C601L751C758R607R675R676Q653R696R694J101J102J103J104J105J106J107J108J109J110J111J112J113J114J116J117J119J124J125J126J133J134J135J301J302J303J304J305J306J307J310J312J830J317J318J319J320J321J322J323J324J325J326J327J328J329J330J331J332J333J334J335J3

43、36J337J338J339J340J341J343J344J349J350J351J352J601J602J603J604J605J606J607J608J609J610J611J612J613J614J615J616J617J618J619J620J621J622J625J626J356J628J629J630J631J632J633J634J635J636J637J801J802J8J804J806J807J808J809J810J811J812J813J814J815J817J818J819J820J823J824J825J826J827J828J901J9J904J905J906J9

44、07J908J909J910J911J914J915J916J917J136R71912CP603E603GRYORGJ137C7131234567891011765432123 456789 10 11456223456723456782345678910112345612345678910111213141516171819202122232425262728292345623467891112 13 141617 18 19CEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBIJKLM

45、HG.C468E401C644R644D601R635C622151105R628R625R627D602R612R660R645C618C635C617C616R637R638C657R633R631C607R632R659L601R626R609L603R6745101520R610R662C665R685R682R683R681R684R658C608R608R679C658C667C668R604R606R654C604C654R656C671C672C666JK602RL60414W602R798RL603RSR797W602_R7954CLSC625R618R640R619R621

46、Q607R622Q602C626Q601CP771R616R620R617D612R794R793D61591RL602W612_W611_RL605R611R661C661C611Q612Q6165D622D6216D620D627D628D629D630Q611Q614Q613W1033R634R693R691R692R671R672R657CP1202CP12011717CP12031CP40117CP40371CP40271D613L604L605L602R652R602C662R623Q603D614D623R607221R696R694W613J101J106J118J120J12

47、1J122J123J127J131J302J305J306J307J308J309J310J312J313J314J315J334J342J343J345J346J347J348J349J350J352J612J613J623J624J635J636J638J802J803J805J816J821J822J826J829J902J903J912J913J916C612P603E602ORGGRYBRN2345678123456789101123456234562345623123234562345623456212W601123456123456123456123456R6L6SL5SR5C5

48、67891112 13 141617 18 1921CEBCEBCEBCEBCEBCEBCEBCEBCEBCENTRESPEAKERSURROUNDSPEAKERABCDEFG123456789PANEL P.C.B. (REP3020B-S)R901R903C907R904C906R902Q902C930J302J101J30311030D902D901C901C904D909C905D904R960R961R909J109R910IC507RL50540455054J111J320J323J117J324J325J118J326R905J120J121J122J123J124J125J12

49、6J127J1283J129J130J131J132J133J134J135J136J327J328J329J330J137J138J139J140J141J142J143J144J145J331J332J333J334J335J336J146J147J337J148J149J150J338J151J339J340J152J341J153J154J342J343J344J155J345J346J156J157J347J348J158J159J160CP501CN901ACN906ACN906BCN352CP505CP504R908C918C917C916D908R923C914C915R924

50、188C573C574R567R568C563C564R569R570C565C566R571R572IC5061845C576C575C578C577D505R508Q501IC5084185C585C586C587R517R519R518R520C590C591C579C580C581C582C583C584C588C589R533R534R535R536R537R538R539R5405814RL504RL501RL502D502D501D503R506RL503Q503Q502R505R504C561C562C571R577C569C570R576R575R565R566R563R56