Technics-SADX940-avr-sch 维修电路原理图.pdf
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1、ToSURROUNDCIRCUIT(W1205)on SCHEMATICDIAGRAM-5AL chR chCDJK402L chR chL chR chL chR chL chR chL chR chJK402JK402JK402JK402JK402R4011KR4021KAR4051KR4061KR4071KR4081KR4091KR4101KR4141KJK351JK351JK351213456789R4111KR4121KR4131KC32947PR30375R30175C33047PR30275C419330PR4281KR429100KC42050V3.3R36275C37316V
2、47R37310KC37416V47R37410KC37516V47R37510KR35975BCDEFGHIJKLMNOPQR4321876543218765IC1208M62490FPE1SOUND CONTROLLER(VOLUME CONT.)ABCDEFGHI1210JIC1202NJM4580DDVREFIC1203NJM4580DDBUFFER AMPCFGNDSW FMIXL DSPR DSPR DOUTL DOUTCK VRDT VRSW DSPSW LPF INBCN1205R1221100KR12201KR125647KC124250V4.7C12750.047R1222
3、2.2KC121816V10C12190.01R12263.3KR1224100KR128647KC128725V10D1281MTZJ10BTAR12822.2KC12880.01C12900.01C12490.47C128516V10R128147KIN/OUT TERMINAL CIRCUITSCHEMATIC DIAGRAM-1IC1201NJM2060DBUFFER AMPAUDIOREC(OUT)PLAY(IN)TAPETV INOUTINVCRVIDEOVCRDVD INTV MONITOROUTTV INAUDIOSUB WOOFEROUTR12236.8KC12360.1R1
4、22510KC121616V33ABC129516V22C12210.22Q12012SD2137PQTAREGULATORC12940.014567123111098141312VccVssC127416V33R129447KR12103.3KR12143.3KC129850V2.2R121847KC1210390PC1206470PR12302.7KR12083.9KC128250V4.7R12192.2K123456789101112131415161718363534333231302928272625242322212019VccRch INRch OUTVDDNCCLK1DT1GN
5、DLch OUTLch INHDEGJKIC128350V4.7C128450V4.7C127316V33R129347KR12093.3KC1209390PR12133.3KC129750V2.2R121747KC1205470PR12073.9KR12292.7KC12223300PC12483300PR12031KR120133KC120316V33C12013300PR12041KR120233KC120416V33C12023300PC12930.039C1292100PR12841KC1291100PR12851K11KVDD+B(9)C128616V10C12890.01C128
6、150V4.7C12120.01C121416V10R12155.6KR12165.6KC121316V10C12110.01C12170.01INOUTNOTE: The number which noted at the connectors on the schematic diagram asSCHEMATIC DIAGRAM-1 or SCHEMATIC DIAGRAM-2indicates the schematic diagram serial number located on the left corner in the schematic diagram.C421100PC
7、422100PC425330PC426330PC427330PC428330PC429330PC430330PC431100PC432100PC433100PC434100P:NEGATIVE VOLTAGE LINE:POSITIVE VOLTAGE LINE:FM/ AM SIGNAL LINE:SUB WOOFER SIGNAL LINE9.2V4.9V14.4V9.2V4.9V-16.2V-16.2V8.6V8.6V9.2V4.6V4.6V4.6V9.2V14.4V9.8V14.4V0V0V0V0V-16.2V14.4V0V0V0V0V-16.2V0V0V0V0V0V4.9V4.6V4
8、.5V4.6V4.6V9.2V4.6V4.6V4.6V4.6V4.6V0V0VRadioFans.CN 收音机爱 好者资料库ToMAINCIRCUIT(CP401)on SCHEMATICDIAGRAM-12ToMAINCIRCUIT(CP402)on SCHEMATICDIAGRAM-12ToMAINCIRCUIT(CP403)on SCHEMATICDIAGRAM-12ABIC402NJM4580DDBUFFER AMPIC351NJM2279DSIGNAL SELECTOR(VIDEO)IC401TC9163ANSIGNAL SELECTOR(AUDIO)GIBDHLJFBDCFHACG
9、KIEAB21314131211109876543215161718192021222324252627281CLKDATAGNDSTB87645VssVDD21876453AE56781234AB721345672134567213456765432189101112131475DRIVER75DRIVER6dBAMP6dBAMPBAFGHIEDCABPNQOMRGCN401CN402CN403DVD LDVD RA.GNDA.GNDSW INSOUT LSOUT R+B(1)-B(1)CK 63DT 63ST 63V SELAV SELBPH LPH RA.GNDTU L INTU R I
10、NV.GNDV.GNDGQ3512SD592AQSTAREGULATORQ3522SB621AQSTAREGULATORR42610KR42510KR42710KC405100PR3681KD354RVD1SS133TAD353RVD1SS133TAR3671KC3540.1C3096.3V100D351MTZJ5R6BTAC3516.3V100C3570.01R3691.8KR37122C3550.1C3086.3V100D352MTZJ5R6BTAC3526.3V100C3580.01R3701.8KR37222C4150.01C40916V22R4241KC4040.01C40250V4
11、.7C4030.01C40150V4.7R4231KC41016V22C4160.01C41716V10R41747KR421100KC411100PR4151KR4161KC412100PR422100KR41847KC41816V10SCHEMATIC DIAGRAM-2G:NEGATIVE VOLTAGE LINE:POSITIVE VOLTAGE LINE:FM/ AM SIGNAL LINE:SUB WOOFER SIGNAL LINE14.4V14.4V-16.2V-16.2V-15.7V-5V-5.6V13.7V5.6V5V5V0V0V4.2V0V-5V0V4.7V0V0V0V-
12、16.2V0V0V0V0V0V0V14.4V-16.2V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V14.1VRadioFans.CN 收音机爱 好者资料库ToDTSCIRCUIT(CN1001)on SCHEMATICDIAGRAM-7ABCIC1204NJM2060DBUFFER AMP4567123111098141312VccVss202134567891011121314151617181921345678910111213141516CEFABCDFGHIJKLCN1002BCN1001B123OUTGNDVcc123OUTG
13、NDVccCM INSW INC INL INRS INR INLS IN+B(7)OVL/ ERRA.GNDAD RIN+AD RIN-AD LIN-AD LIN+PDND IN3D.GNDD.GNDD.GND+B(6)D IN2+B(5)+B(5)D IN1POWERCS42C CLKCD INCD OUTCS RESETCS49SCD OUTINT REQCA17L13031HZ1301Z1307Z1306Z1305C13200.1C13060.1R13083.3KC130815PC13070.01R130947C13090.1R13071KC13100.1R13013.3KC13011
14、5PC13030.1R13021KC13020.01R130347L chR chZ1308Z1302Z1303Z1304R4031KR4041KR12496.8KC124550V4.7R125947KC1241330PBC13180.01JK1301TV(OPTICAL)DIGITALJK403JK1302DVD(OPTICAL)IC404TC9162ANSIGNAL SELECTOR(AUDIO)C4430.01C44150V4.7C4440.01C44250V4.7SCHEMATIC DIAGRAM-3SURROUND CIRCUITDVDJK1303CD(OPTICAL)ToDTSCI
15、RCUIT(CN1002)on SCHEMATICDIAGRAM-7CCR13043.3KC130415PR13051KC13050.01R130647C13190.1R131010123OUTGNDVccE1301DC131325V47DBAEMC1230330PR12402.2KR12512.2KC12283900PC124450V4.7R125847KC124350V4.7R125747KR12356.8KR12372.2KC12273900PR12331KC1229330PR12341KR12471KR12366.8K1413121110987654321516171819202122
16、2324252627281CLKDATAGNDSTBVssVDD79543217954321R4391KR4381KDBCR1241120KC123716V33C12354700PC12320.01C123416V10C12310.01C123316V10C439100PR1227120KC122516V33C12234700PR1228120KC122616V33C12244700PNPJKILQRSOHGR44510KR44410KNCCA16R44610KMC12393900PSL chSR chJK404DVDC chSW chDVDR4724.7KC436330PR4322.2KR4
17、312.2KC435330PR4714.7KR4742.2KC438330PR4345.6KR4332.2KC437330PR4734.7KC423330PC424330PJK404:FM/ AM SIGNAL LINE:SUB WOOFER SIGNAL LINE:SURROUND SP SIGNAL LINE:CENTER SP SIGNAL LINE:NEGATIVE VOLTAGE LINE:POSITIVE VOLTAGE LINE4.9V4.9V4.9V4.9V4.9V2.6V4.9V2.6V4.9V14.4V-16.2V-16.2V14.2V0V0V0V0V0V0V0V0V0V0
18、V-16.2V0V0V0V0V0V0V0V0V0V0V-16.2V0V0V0V0V0V0V0V0V14.4V0V0V0V0VR1206100C12510.01R12505.6KC12960.04743218765IC405M62490FPE1SOUND CONTROLLER(VOLUME CONT.)IC1205NJM4580DDBUFFER AMPSCHEMATIC DIAGRAM-4NOIC406M62490FPE1SOUND CONTROLLER(VOLUME CONT.)1234567891011121314151617183635343332313029282726252423222
19、12019VccC INC OUTVDDNCCLK3DT3GNDRS OUTRS INC98050V4.7R48447KC48850V4.7C491100PR4911KC490100PR4891KC4780.039C48550V4.7C48150V4.7R48547KC492100PC477100PC48250V4.7R48347KC48450V4.7R4901KR4861KC4750.039C47250V4.7C47950V4.7R48847KC4760.01C4990.01C48916V10C124650V4.7R126047KR124233KC123850V4.7C12520.01R12
20、48470IC1206NJM2115DBUFFER AMPIC1207NJM2115DBUFFER AMPC12720.01C127116V10C1263390PR12654.7KR126322KC126116V10R1261220KC126916V10R126710KR126910KC1265150PC126716V10C127016V10R126810KR127010KC1266150PC126816V10C1264390PR12664.7KR126422KR1262220K43218765NNNN4321876543218765CDBAC126216V10TUVWXPJKNIIC407N
21、JM4580DDVREFR48247KR47847KC48625V10C4940.01C48716V10C4930.01R127210KC126016V10123456789101112131415161718363534333231302928272625242322212019VccS.W INS.W OUTVDDNCCLK2DT2GNDLS OUTLS INR127110K:FM/ AM SIGNAL LINE:SUB WOOFER SIGNAL LINE:SURROUND SP SIGNAL LINE:CENTER SP SIGNAL LINE:NEGATIVE VOLTAGE LIN
22、E:POSITIVE VOLTAGE LINE9.2V4.9V4.9V4.9V2.6V4.9V4.9V14.4V-16.2V9.2V4.9V2.4V2.4V2.4V2.4V2.4V2.4V4.9V2.4V2.4V2.4V2.4V2.4V2.4V9.2V4.6V4.6V4.6V8.6V8.6V14.4V0V0V0V0V0V-16.2V9.2V4.6V4.5V4.5V4.6V4.6V4.5V4.5V4.6V4.6V4.9V0V0V0V9.2V4.6V4.5V4.5V4.6V4.6V4.5V4.5V4.6V4.6V4.9V0V0V0VToIN/OUTTERMINALCIRCUIT(CN1205) o
23、nSCHEMATICDIAGRAM-1QWXGHIC1901M38B57M6153FSYSTEM CONTROL122134567891072134561273456IC1701PQ30RV11REGULATOR47K10KM LCN1203W1205CN702321CN1204CN1202AJH GIBCCBAKFGHEDFDC19094700PR1930100R1931100R1932100R1933100R1934100R1935100R1936100R1937100R1938100R1939100R1941100R1945100R1942100R1943100C19060.01R192
24、9100R191510KR194010K1273456R1906100R1907100R1928100R1916100R19171KR19111KR19121KR19131KR19141KR19101KR19091KR19461KC1910100PCF1901R19011KHTVUEFGOA7213456SRMFEDCBCN1201D1903RVD1SS133TAR19181KR19191KR19201KGND+B(4)C17022200C170550V1GNDSW FMIXL DSPR DSP+B(9)R DINL DINCK VRDT VRSW DSPSW LPF INASDMUTE SC
25、M CKCM DICM DOCM RQMCM RQSGR DOUTA.GNDL DOUTC OUTSR OUTSL OUTSW OUTG+B(1)-B(1)CK SELDT SELST SELVR REFVR PSS IN RS IN LA.GNDA.GNDA.GNDDVD RDVD LR17024.7R17014.7R17102.7KD1705MTZJ6R2CTAC17060.01C170716V100R1707820C171116V10R1709330R1708330Q17032SC1740SSTAPOWER SUPPLYQ17012SD2137PQTAREGULATORQ1701Q170
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