Technics-SADX850-avr-sch 维修电路原理图.pdf

《Technics-SADX850-avr-sch 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Technics-SADX850-avr-sch 维修电路原理图.pdf（14页珍藏版）》请在收音机爱好者资料库上搜索。

1、NJM4580DDIC402NJM2279MTE1VIDEO SIGNAL SELECTORIC351SELECTORTC9163ANIC401JK402CD10DT SELCK SELST SELVIDEO AVIDEO BD3543(26)X2X1X32(27)4(25)5(24)6(23)7(22)X4X59(20)10(19)12(17)X7X8Level shiftLatch circuitShift register11(18)1615138(21)X6JK401PHONOJK403TV LCHJK404VCR PBJK402TAPE REC(OUT)JK403TAPE PLAY(

2、IN)JK351DVDOPAMPOPAMPTUNERMODULEFROM IC901IC451AN6558FSWITCHQ401(Q402)SOUT_LJK405DVD LCHJK404VCR ROS301V12131131245D353JK352VCR1 OUTJK352VCR1 INJK352TVMONITOROUTS301JK352TVDT SELCK SELIN1IN2IN3C1C2O2O1C4C3REGULATOR+BQ3518REGULATOR-BQ35214RadioFans.CN 收音机爱 好者资料库NJM4580MTE1IC1203NJM2060MTE1IC1201NJM21

3、15MTE1IC1521(IC1522)DIGITAL ANALOG CONVERTERCS4226-KQGIC1002IC1003CONVERTERSN74LV244APWDTS DECODER DSPIC1001CS49326-CLROSCILLATORSNAHC1U04DBVIC1006SN74HCU04APWINVERTERIC1005CONVERTERSN74AHCT244PWIC10044244RX3A OUT52534568924-bitDSP PROCESSINGRAMPROGRAMMEMORYRAMDATAMEMORYSTCRAMINPUTBUFFERPLLCLOCK MAN

4、AGERDATA07811,1417CMP DAT27CMP CLK28CMP REQ2925SCLK N126LRCLK N122SDATA N1CLK INCLK SEL3031FILTDFILTS3233MCLK44SCLK43LRCLK42AU DATA041AU DATA140AU DATA239XMT9583FILT171940+VA+VDCM OUT1636SCD OUT19EMWR4EXTMEN2120INTREQ5EMOESCDIN6SCCLK7CS18RESET36INTREQSCD OUTD OUT1D IN332D IN233D IN1343031MCLK OUT37L

5、RCKSCLK38AUDATA0AUDATA1AUDATA2X1001(12.288MHz)SCLKSCLKLRCKLRCKCCLKCD OUTCD INCSPDNAUDIOOVL/ERRCCLKCD OUTCD INOVL/ERRRESETCS42CS RESETCS4943RX1RX2A OUT1(2)21(22)Q1001DSP_OFFAIN1L14VSSA35VDDA34JK1301TV(OPTICAL)JK1303DVD(OPTICAL)JK1302CD(OPTICAL)DIGITALSWITCHAUDATA0AUDATA1AUDATA2XMT958XMT958DIGITALAUDI

6、O INPUTINTERFACEFRAMERSHIFTERROMPROGRAMMEMORYRAMDATAMEMORYINPUTBUFFERCONTROLLERRAMOUTPUTBUFFEROUTPUTFORMATTERPARALLEL OR SERIAL HOST INTERFACECOMPRESSEDDATA INPUTINTERFACESPDIFRECEIVERL_DSPMCLKMCLKXTI28AINAUX15+B+B+BBUFFERAMPMAIN_LINOPAMPA OUT626A OUT610OP AMPL_LPFSW_DSPA OUT623(24)+BRadioFans.CN 收音

7、机爱 好者资料库NJM4580MTE1IC1451NJM2060MTE1IC1230NJM2060MTE1IC1301,IC1302TC9162AFANALOG FUNCTION SWITCHIC1401MICROCOMPUTERC2BBGF000262IC90199VIDEO B100VIDEO A10,9IF DATASDVIDEO BVIDEO A7(22)6(23)8SW CONT.CLKSTBDATA13151610931REMOTEZ901(REMOTE SENSOR)5611,47,48TCETCKTDTC_CH211920SW_CHJK1341DVDLS_CH5(24)4(25

8、)3(26)2(27)OPAMP1211193090DSP_PASS/DSP_OFFCS49326_INTREQCS49326_SCDOUTDSP_OFFINTREQSCD OUT92CS49326_CCLKCCLK27CS4226_CDOUTCD OUT91CS49326_CDINCD IN28CS4226_CSCS4294RESETCS4226_RESET29OVL/ERRCS4226_OVLERR93CS49CS49326_CS95CS RESETLED3644,55SOUT_LL_DSPSW_DSPL_OUT(R)CK SELST SELDT SELQ556MUTINGSWITCHRE

9、GULATOR+BQ560JK406SUBWOOFERQ557VCR_MUTECS49326_RESET54SUBW_MUTEVOP AMPOP AMPMUTINGSWITCHTO TUNER MODULERDSLC72720NIC9706RDS_CE4RDS_DO3RDS_CLK5RDS_DI232221202RDS_CERDS_DTRDS_CKRDS_DIRDS_INNJM4580MTE1IC1231MICROCOMPUTERC2BBGF000262IC901NJM2060MTE1IC1452VOLUME CONTROLTC9482FIC1402SL_IN18RESETQ90132HOLD

10、6078SEG 1167988DEG 110FL DISPLAYFL901XOUTXIN2322CF901HOLDQ902HOLD2AC131419122253621204118+-+-157RLYSENS+SENS-VDVH-HOUTVO2VO1-+HOUTVH+VDIHDETSGNDIN2-11DISPIN1-10DC-BD652RCHQ6518THERM/OVLD2Q553(Q554)MUTINGSWITCHL.P.FH.P.FRELAYCONTROL-B-B+B+B-B+B+B+B+BPOWER AMP HICRSN313H25-PIC651Q555MUTINGSWITCHL_LPFF

11、ROM POWERTRANSFORMER1516TC9482_DTTC9482_ST14TC9482_CLKL_OUT(R)OP AMPQ551(Q552)MUTINGSWITCHMAIN_LINMD651RCHOP AMPC_INSW_INLINSL_OUTSW_OUTSTBCKDATALOUTC_OUT4(25)5(24)3(26)78610(19)11(18)9(20)SHIFT REGISTER (32 BIT)STROBE GENERATECIRCUITLEVEL SHIFT CIRCUIT1 dBVRLATCH8 dBVRLATCH1 dBVRLATCH8 dBVRLATCH1 d

12、BVRLATCH8 dBVRLATCH3 TO 7DECODER4 TO 13DECODER121416151722211 dBVRLATCH8 dBVRLATCH23IC601POWER AMP HICRSN310R36A-PMICROCOMPUTERC2BBGF000262IC901RCHRCH49S/C SP52RELAY50SP BSP A51SP ASP BS/C SPRLY7THERM/OVLD145LIMITTERKEY SWITCH1,2KEY1KEY2AC19RLYSENS+HOUTVH-HOUTVO2VO3IN1-DISPH.P.FL.P.FAF MUTE53AMUTEAM

13、UTEQ652Q604OUTV03SWITCHMRELAYCONTROL+B+BVDLIMD617V03OUTH.P.FIN3-VR902(VOLUME)25VOL_ENCD_1VOL_ENCD_226VR901(INPUT SELECTOR)3435S/C SPRLYSP BSP ASEL_ENCD_1SEL_ENCD_2-BD602-BD601L.P.F33FRT_VCR2S3012514+-7VO1+-+-21222423GND20PASS-+-6143151611DC810OVERDET1213IHDETPASS+BSENS-VH+BIN2-GND917Q903SWITCHOVERDE

14、TOVERDETBA25BC0FPIC1701RCHQ601Q602Q1681(Q1682)HP601HEADPHONESQ603RL601RL602RL604RL603POWER TRANSFORMERSUB TRANSFORMERT701Q751D701D704F3F4Q708,D708Q724T751D721D728D751D754Q753Z751F1RL751JK791AC INL701AC1AC2TO FL DISPLAYF5Q1701Q1703D741D744HP MUTINGRELAYDRIVERELAYDRIVERELAYDRIVEJK601FRONTSPEAKER(A)JK6

15、05FRONTSPEAKER(B)JK604CENTERSPEAKERJK604SURROUNDSPEAKERRELAYDRIVEREGULATORQ723REGULATORREGULATORQ754REGULATORQ725Q706REGULATORSIGNAL LINESMAIN SIGNAL LINECD SIGNAL LINEPLAYBACK SIGNAL LINERECORD SIGNAL LINE( ) indicates Pin No. of right channel.REGULATORREGULATORREGULATORREGULATORQ701,Q703,Q704REGUL

16、ATORQ752-B+B+B+B+B+BD755-BQ707REGULATORD613D614D612D611Q605SWITCHREGULATORMQ771Q781FAN MOTORDRIVEFAN MOTOR-B 1 C2BBGF000262 (80p)CS49326-CLR (40p)CS4226-KQG (44p)BA25BC0FPRSN313H25-PAN6558FNJM2115MTE1NJM4580DDNJM4580MTE1TC9163AN2SB621AQSTA2SD592AQSTA2SD1915FTA2SA933SQRSTA2SC1740SSTA2SC1740SQSTARVTDT

17、A114ESTRVTDTC114YSTRVTDTA143XSTRVTDTC143ZSTRVTDTC114ESTRVTDTA113ZST1N5402BM21RK306LFU1MTZJ16CTAMTZJ33DTAMTZJ3R9ATAMTZJ5R6BTAMTZJ6R2BTAMTZJ6R8BTAMTZJ7R5CTAMTZJ3R3ATA2SB1548PQAU2SD2374PQAUSLR325MCT31SLR325YCT31SLR325VCT312SK2880CTA11458NJM2060MTE1171481142815BCEECBECBDSGBCE2SA1534AQRTA2SC3940AQSTABCEA

18、CaCathodeAnodeAnodeCathodeACaMTZJ8R2CTA1SS291TARVD1SS133TA1SR35400VRB721Q40T77ACaCathodeAnodeTC9162AF (28p)TC9482F (28p)SN74LV244APW (20p)SN74HCT244PW (20p)SN74HCU04APW (14p)SNAHC1U04DBVRSN310R36A -PDTA114YETLLC72720N (24p)1NJM2279MTE1 (14p)1SS355TE17UDZSTE176R2BUDZSTE175R6BMA167ATACaACathodeAnode2S

19、D2137PQTABCE22261241ABCDEFG123456789DIGITAL P.C.B. (REP3107D-T) (SIDE A) DIGITAL P.C.B. (REP3107D-T) (SIDE B) ABCDEFG123456789DMAIN P.C.B. (REP3109C-M.E/EG)(REP3109D-M.EB)D724D728D721C701Q554R661R671D725D618R727C721R639R614R699R627Q604R640R581R582R546R553R594R554R593Q551Q552Q553Q557C662C663D723D727D

20、722D726D702D701D703D704D707L751D601R635C712C711C758R722C710C715D602C709R705R706R725D708R711R707C713Q703C707Q704C708R723D705R712R708R721R713R714C714C615C617C616R637R638R607C607R633R643C643R631R608C608R632R610R630R645R609Q775C775D774Q774R782R786R779R778Q772R780C779L602Q723Q724R724R720R730C702R628C625C

21、626R625R626R681C658R658C657R657R654R653R656R655C653C654C671C672C668R682R684C667C666R683C685R685R688R687D652D651R679R729R629R728C651C652Q651R672R674R662C664C661C416C410C409R549C535C584C586R583R584R556C534R726D731D732Q725R621R622R623C414C413R419R420R592R591C585R585R595Q555R552R551R555R545R550R596R586Q

22、556R557C583C482E601C722R548R547Q560R544D501C533J102J103J104J105J106J107J108J110J113J114J115J121J122J123J124J125J126J127J128J149J139J144J145J147J148J304J305J306J307J308J309J310J311J312J313J314J315J317J318J333J335J336J337J338J339J340J341J342J343J344J345J346J347J348J349J350J351J352J353J354J355J359J360J

23、361J365J366J601J602J603J604J605J606J607J608J609J610J611J612J613J614J617J618J619J620J621J622J633J634J635J801J802J803J804J805J807J808J809J810J811J813J815J816J817J818J819J820J821J822J823J824J825J826J827J828J829J830J832J833J834J835J836J837J838J901J902J903J904J905J906J907J908J909J910J911J912J913J914J915J

24、916J917J919J920J921J922J923C435CN901CN903C705C706W701C704C703IC651CN902IC601Q707Q706L604L603L651Q708Q701CN401CN402EW600CN1000BCEBCEBBC876543211234567810987654321123 45 67 89 10 111213 14 15 16 1718 19 20 21 2212 345 6 789 10 11 12 13E C B123456789101112543211817161514131211109876543211 23 45 67 1 23

25、4 5 6XXXXRS4LS4LS3RS3XXR1L1XXR4XXW4W3XC3J146J367CEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBIJKLMHGCENTERC635C636C614Q602Q601R612C612R615R797C483SURROUNDR792R799R791R798D618D614Q603D605R639Q604D403D404R640R5812W601RL601R794R634C621R635C622C642R604C603C604C618C615R606R647C617C616R642R605R60

26、3R607C607R633R643C643R631R608C608R632R610R630C645C644R644C611C613R611R609C777R776C776R773R784C774Q775C775D774Q774R782R786Q776R779C778R777R778Q772D770R774Q771Q777C773D773D768R775Q773R766Q780R770Q778Q779D771D772D781D782C771R771C772R769Q781R768R767D769R780C780C779C781L602R795R624R664D613D612D611C602C64

27、1C601Q652R405R407R410R408R406R401R402C422C421C426C425C428C427C430R409R412R411C432C431D617R413C433R403C423R404C424R414C434Q401Q402R618R619R616R617C403R423C404C402C401R435R426R425R424SDC418C416C415R422R415C405C410C409R418R416R417R421C412C411R427C417IC401R663C414C413R419R420CP771R545IC4021485R793R486R4

28、85C628C629C627JK405JK406Q605R698R613TVTAPE INREC OUTCDJ101J104J105107J109J110J111J112J113J116J117J118J119J120J128J129J149J135J136J137J138J140J141J301J302J303J310J311J314J315J317J318J319J320J321J322J323J324J325J326J327J328J329J330J331J332J334J337338J355J356J357J358J362J363J364J608J609J610J611J612J615

29、J616J623J624J625J626J627J628J629J630J631J632J635J636J637J806J808J809J811J812J814J828J829J830J831J907908J912C43514C640C639C499GSDRL602RL603SUB WOOFERC601L604L603RL604L651L652CN402W752W600W602W602_JK605CN1000BJK402JK403JK404TVVCR OUTVCR INDVD2 345 6 789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 241817

30、161514131211109876543215 67 1 234 5 615281123456653412561243321321543212143RCHLCHLCHRCHRCHLCHLCHRCHLCHRCHRCHLCH321XXR1L1XR4L4XXXL5R5C4JK604L+L-R+R-C-C+3412CDTAPETVVCRDVDWOOFERSUBCENTERSPEAKERSSURROUNDSPEAKERSLCHRCHINFRONTSPEAKERSL+L-R-R+2 1G1234561234CEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBCEBC

31、EBPANEL P.C.B. (REP3104E-S)ABCDEFG123456789D901L901R919R906C907D904R907Q901D902C906R902C905Q902C910C912R916D903C914C913D911C915CP903R963R962R917R903C991C992R911R910C901C917R992R991C904R918R908S967S968S969S971S970S965D939D940D938S966R965R966R968R964DIGITALDVD 6CH+/R-/LTONE/BALTAPE MONHELPRR934R933R93

32、2R931R938R939R940R909R920R905C916R913R914R921J115J114J117J118J119J120J116J326J327J328J329J330J331J332J333J334J335J336J337J338J339J340J341J342J344J345J346J347J348J349J350J351J352J353J354J356J357J358J360J361J362J364J366TAPER928R927J369J370D913D914Z901D944R946R967J371VOLUMVR902BCOM12515021 3304045213AB

33、COMVR901INPUT SELECTOR5 4 3126789108 7 6 5 4 3 2 1CP9028 7 6453 2 1CP9011718 1615 13141211 910 8576 4 23 1CN904AJ363J365R915CEBCEBPHONO EQ P.C.B.(REP3109C-M.E/EG)(REP3109D-M.EB)TUNER PACK P.C.B.(RAN0002EM)GHIJKLMW402R467J186R468J184R449R450J183R466C460R460R459C461C462C459C490C489C463R462R464R465R461

34、R463C464D401C465C455C467C466R455R458C457C458C456C453R457R451C451R453C452R452C470R454R456C454C469R470R469IC451CP101JK40185411234567891011123456789101112132134LCHRCHPHONOC902R922C930R901R919R1688Q1682Q1681R1696R1695R1693R1681R1687R1685R1684R1686R1690R1691R1692R1689C1685R1683R1682D902C905C978C971D970C9

35、09C911C914C913R1694C1684C1683R1699Q903BANDMEMORYS959S956S957S958C929C928C927C926C925C924C923C922C921R903R912R9751121324IC970C973C970X970C974C975C977C976R976L971L970C903C972R924R923R972R973R971R974R961R918S960S955S954S962HELPTIMERFM MODEPRESETTUNING UPTUNINGR951R953R954R955R956R957R958R960C908R993R99

36、4C993C994R904S953S964R920R952SFC MODEFL901SOUND MODEJ101J102J103J105J106J107J108J109J111J112J113J114J117J301J302J303J304J305J306J307J308J309J310J311J312J313J314J315J316J317J318J319J320J321J322J323J324J325J332J333J334J335J336J337J338J367J368R928J369J370J110DOWNC1681C1682W908C918C919123W90654321CP9074

37、 3 2 1VOLUMEVR902ABCOM123CF9018081IC9015150313011002010FL90113040E2/E3R915CEBCEBCEBABCDEFG123456789SWITCH P.C.B. (REP3104E-S)HEADPHONE P.C.B.(REP3104E-S)FRONT SPEAKER A P.C.B.(REP3104E-S)HEADPHONELRGND13 24321CN907HP601C632C6311234SPEAKERSFRONTR+L+L-R-JK601CN601SP-BPOWERS950R950S961W906D943 D942R943

38、R942STANDBY WAKEJ124J1231 2 345S951SP-ASUB-TRANSFORMER P.C.B. (REP3109C-M.E/EG)(REP3109D-M.EB)TRANSFORMER P.C.B. (REP3109C-M.E/EG)(REP3109D-M.EB)ABCDEFG123456789C741D741D742D744D743J971FC705FC706AC IN230V-240VPRIMARYSECONDARYT701 (POWER TRANSFORMER)CAUTIONRISK OF ELECTRIC SHOCKTOUCH THIS P.C.BAC VOL

39、TAGE LINE. PLEASE DO NOTFC708FC707F4 250V T6.3AW701123456789101112F3 250V T6.3AW702231FC710FC709F5 250V T1.0AJ164J462J461Q751JK791Z751J161D755J661CN751C751J162J163C752C753D751D754D752D753R755Q753C755C757D756J168D757Q754GSDFor E/EGonlyFor EB/GNonly3412RL751FC702FC701132L701ECB32 1W752_T751 (POWER TRANSFORMER)C754Q752F1 250V T2.5ACEBCEB50HZ