Technics-SADX850-avr-sm 维修电路原理图.pdf
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1、SCHEMATIC DIAGRAM - 1NC+V-VGND1GND2IN3C1IN2C2O2O1C4IN1C3VccGNDOUTPUTVccGNDOUTPUTJK1302E1301D3531SS355TE17IC1203IC1201L1303VLQ0855M1R0TJK1341D351UDZSTE175R6BC12020.22Q351Q352JK352IC351L1304RLQZ150M-0JK1303JK1301JK35156783421VSSVCC8910111213147653421RLRL1243567141312111098312312IC1203NJM4580MTE1OP AMP
2、IC1201NJM2060MTE1OP AMPQ3512SD592AQSTAREGULATORQ3522SB621AQSTAREGULATORE1201STBYGND PTIC351NJM2279MTE1VIDEO SELECTORRS CHLS CHTV MONITOROUTVCR1OUTDVDVCR1INTVDVDC CHSW CHDVDCOAXIAL INDIGITAL IN CD(OPTICAL)DIGITAL IN TV(OPTICAL)V_SELBV_SELARX2SW_DSP+5VARX3L_DSPR_DSPRX1R120247KC12010.01C122225V10R12011
3、KC12230.1C120316V33R35175C35147PR35275R35375C35247PR12032.2KC12040.01R120418KC13120.1C13110.1R131010C13030.1R13021KR13013.3KC13020.01R130347C12064700PC12084700PR35475C35316V47C35416V47C35516V47R36475R35510KR35710KR35610KD3541SS355TE17R3581KR3591KC13070.01R130947R130647R1307150C13080.1R130810C13090.1
4、C13060.1R13043.3KR13051KC13050.01C13130.01C3560.1C3570.1C3586.3V100C3596.3V100C3600.01R36322R3621.8KC3616.3V100C3626.3V100C3630.01R36022R3611.8KC121016V33C120516V33R120647KR120747KR12051KR12081KC12072700PC12092700PR12092.2KR121018KR12252.2KR121118KC12210.1C1212100PR12153.3KR12143.3KC121650V10R12161.
5、5KC1214390PC1211100PR12193.3KR12123.3KC121550V10R12131.5KC1213390PC12170.01C12180.01C122025V10C121925V10R121747KR121847KR13411KR13421KR13431KR13441KD352UDZSTE175R6BE1201E1301C1341330PC1342330PC1343330PC1344330PVSSVCCDIGITAL CIRCUIT: MAIN SIGNAL LINE: +B SIGNAL LINE: -B SIGNAL LINERadioFans.CN 收音机爱 好
6、者资料库SCHEMATIC DIAGRAM - 216V3316V33IC1401TC9162AFHIGH BREAKDOWNVOLTAGE ANALOGFUNCTION SWITCH10K10K100PR14571.8KC145347PR1455 6.8KR14546.8KIC1301IC1302IC1451C1407C1406IC1401R1407R1408C1408VSSVCC8910111213147653421VSSVCC891011121314765342156783421STB GNDS1DATAVSSVDDCLK124356781312119101425262728222324
7、18192021171615S7S6S5S4S3S2IC1301NJM2060MTE1OP AMPIC1302NJM2060MTE1OP AMPIC1451NJM4580MTE1OP AMPV_SELBV_SELAR1345100KR1347100KR1346100KR1348100KC12240.1C134550V4.7C134650V4.7C134750V4.7R134947KR135047KR135247KC134850V4.7R135147KR140447KC140150V4.7C140250V4.7C14030.01C14040.01R140647KR14021KR14031KR14
8、0547KR140910KC140516V33R13531.5KR13546.8KC1349220PR1357100R13584.7KC1351220PR13596.8KR13561.5KR13556.8KC1350220PR13611.5KR13606.8KC1352220PR141047KC140916V33R141247KR141147KC141416V33C141516V33C145150V4.7R145147KR14521.8KR1453100C145247PR145847KR1456100C141025V47C141125V47C14120.1C14130.1VSSVCCDIGIT
9、AL CIRCUIT: MAIN SIGNAL LINE: +B SIGNAL LINE: -B SIGNAL LINERadioFans.CN 收音机爱 好者资料库SCHEMATIC DIAGRAM - 3R14663.9KR14593.9KIC1452CN1000AIC1402VSSVCC8910111213147653421135798642101112131415161718152120191817 16242322282726251413121110987654321IC1452NJM2060MTE1OP AMPIC1402TC9482FVOLUME CONTROLAGNDSL_OU
10、TC_OUTL_OUTSW_OUTSR_OUTSW_INR_OUTTESTVDDR_INSR_INSL_INSTBDATACS2C_INCS1VSSL_INNCCKC_OUTSL_OUTR_OUTL_OUTSTB9162DT9162DT9482CLK9162CLK9482ST9482-14V+14VVCR_MUTESR_OUTSOUT_LINSOUT_RINSW_OUT_INSW_MIXR14131KR14141KC145450V4.7R14151KC148350V4.7R1483100KR146147KR14601KC148150V4.7C145716V33C1455150PR14626.8
11、KR14671KC1456220PR14686.8KR14701KC1460220PR14696.8KC148450V4.7R1484100KC148050V4.7R1480100KR14651KR146447KC145816V33C1459150PR14636.8KTOMAIN CIRCUIT(CN1000B) ONSCHEMATICDIAGRAM-9R1481100KDIGITAL CIRCUIT: MAIN SIGNAL LINE: +B SIGNAL LINE: -B SIGNAL LINESCHEMATIC DIAGRAM - 4100P100K22P100P0.11000P1000
12、P100P100P1K0.1471M33334.7K50V2.233C1044R1048R1037100KC103522PC1033Q1001C1039C1025C1037C1038C1036C1034R1046R1033 1KC10430.1R1043 47C1029R1036 1KR1045R1044 47R1034 1KR1035 1KIC1003SN74LV244APWCONVERTERIC1005IC1006IC1004SN74HCT244PWCONVERTERIC1001CS49326-CLRDTS DECODER DSPR1038 1KL1001RLQM2R2KT2-WL1003
13、L1002R1030R10311KX1001RSXB12M2S01TR1032R1042R1029 4.7KR1024C1007R10411112131415201918171610987654321891011121314765432154321111213141520191817161098765432130313233343536373839404142434324411722212019182324252627282930313233343536373839123456444041424378910111213141516Q1001DTA114YETLSWITCH(DSP:OFF)IC
14、1005SN74HCU04APWINVERTERIC1006SNAHC1U04DBVOSCILLATORDGND1DGND2RX4CDOUTHOLD/RUBITCCLKDGND2FILT1DATA3FILT2VAVD2+VD2A1GND2Y11Y41Y22Y32A31A31A22A42Y11Y41Y32Y22A21A41A1VCC2G1G1Y12Y4RX32A1GNDDATA0SDATAN1SCLKN1LRCLKN1CMPDATDGND3SCDOUTEXTMEMINTREQCMPREQCSVD3CMPCLKRX1RX2DATA2CLKSELDATA1CLKINAUDATA0AUDATA2LRC
15、LKMCLKSCLKAUDATA1DCRESETDDSCCLKXMT958EMWREMOEDATA7SCDINDGND1VD1DATA5DATA6OVL/ERRSDOUT2CLKOUTSDIN2SDIN3SDIN1LRCKSDOUT11Y32A41Y2VCC1Y12G2A32Y21A22Y31A12Y41G1A3AGNDDATA4SCLK2A21A42Y3A1A2A1Y5A5YVCC6A6YGND3Y4Y4AVCCOUT YNCGNDIN A+5VDCCLKVCDINVD3D1D0D2D5D6D7D4/CS49V/ABOOT/ABOOTSDIN2AU2/EMOE/EXTMEM+2.5VDSCD
16、OUT/ABOOTSCDOUT_SDIN3INTREQSCDOUT_/EMOE/CSRSTVAU3AU2AU0AU1SDIN1SDIN3SDIN2CCLKVCDINVAU0AU1/EXTMEMSDIN1CDIN/CS49V/CSRSTVCSRSTRX1_CCLKRX3_RX2_CS49D6D4D5D7D0D3D1D2C100350V1C10240.1C10046.3V100R101910KR101810KR101710KR101610KR101510KR101410KR101310KR101210KR102310KC100625V330R1027 4.7KC1030470PR102833KR1
17、0224.7KR102110KR102010KC10056.3V100C10260.1R102510KC10310.01C10086.3V100C18020.1C10270.1C1028100PR102633C10320.1C10096.3V100C10410.1C18010.1C10400.1R10401KR1039100KC10421000PC10106.3V100R10471.5RLQM2R2KT2-WRLQM2R2KT2-WDIGITAL CIRCUIT: +B SIGNAL LINESCHEMATIC DIAGRAM - 51000P1000P100PR1065330R1064330
18、R1067 330R1066330R1054 1KR1053 1KR1052 1KC1047C1046C1045R1059 1KR1061 1KR1060 1KR1058 1KR1057 1KR1056 1KR1055 1KR1050 1KR1049 1KR1051 1KR1062 1KR1063 1KC152116V10R106910Z1304BL02RN2R62T4L1004RLQM2R2KT2-WC10116.3V100222324252627282921201918171615141312111098765IC1002CS4226-KQGDIGITAL ANALOGCONVERTERA
19、INAUXFILTCMOUTAINL-AIN3RAINL+CDINAIN1LAINR+AINR-SPIPDNCSAOUT1XTOXTIAOUT5AOUT3AOUT4AOUT6DEMAOUT2+VAAGND2AGND1CMOUTRS OUTLS OUTC OUTINTREQSCDOUTD_IN1D_IN2+2.5VDDSP_OFF+2.5VDAGNDDGNDD_IN3R OUTOVL/ERRL OUTLRSWLSRSCSW OUT+5VA+5VDAD_RIN-AD_RIN-AD_RIN+AD_RIN+LS_DSPRS_DSPC_DSPCD_OUTCCLKDSP_OFFRX1_CD_OUTCS42
20、RX1INTREQSCDOUTCS49CDINCCLK/ABOOTCSRSTRX2RX2_+5VAOVL/ERRRS_DSPLS_DSPC_DSPSW_DSPR_DSPL_DSPAD_LIN+AD_LIN+AD_LIN-AD_LIN-RX3_RST42RST42RX3RST42CS42CDINC10491000PC10501000PC107025V47R106847KC10520.01C10511500PC10480.1C10530.1CD_OUTCS42CS49CDINCCLK/ABOOTCSRSTC12324700PC12334700PC123416V33C12354700PC123616
21、V33C170516V22C152216V10Z1308BL02RN2R62T4DIGITAL CIRCUIT: MAIN SIGNAL LINE: +B SIGNAL LINESCHEMATIC DIAGRAM - 6100K50V4.70.0220.14700P1000P0.016.8K0.01R12392.2KCN904BR1261C1260IC1230IC1231IC1522C1250C15280.01C1910R153010KC153016V10R15274.7KC1533150PR15214.7KC1523390PC1525150PC1909C1911D1705UDZSTE176R
22、2BC1237330PR1237100R12364.7KC1252R1249C12450.01C124725V10C1253C12440.01C124625V10IC1701CN702Q1703IC1521R1930 100R1928 100R1916 100R1929 100Q1701Q1702R1931 100R152610KC152616V10R1932 100R1933 100C152716V10R1945 100R1934 100C152416V10C153216V10R1523220KR1942 100R1943 100135798642101112131415161718VSSV
23、CC8910111213147653421567834215678342132132156783421IC1230NJM2060MTE1OP AMPIC1231NJM4580MTE1OP AMPIC1522NJM2115MTE1OP AMPIC1521NJM2115MTE1OP AMPQ17032SC1740SSTAREGULATORQ17012SD2137PQTAREGULATORQ17022SD2374PQAUREGULATORGNDIC1701BA25BC0FPREGULATORDSP_OFFOVLERRRST42CS42CD_OUTCDINCCLKCS49CSRSTINTREQSCDO
24、UTVCR_MUTECLK9482DT9482ST9482V_SELBV_SELASOUT_LINSOUT_RINC1706390PR1706330R1705330C170416V10C170116V100R17042.7KC170210V3300R1707820C17030.01R152410KR152510KR152222KR170310KR17024.7R17014.7C152916V10R153110KC1531390PR152822KR1529220KR123247KR123147KC123116V33R12351KR12346.8KC12402700PR12432.2KR12334
25、7KR124218KC1241100PR12411KR12401KR124518KC12392700PR123818KC1238100PC12432700PR12442.2KC1242100PR125247KC125116V33R12506.8KR12511.8KR1260100KC126150V4.7R12471KC1280220PC1281330PR12486.8KTOPANEL CIRCUIT(CN904A) ONSCHEMATICDIAGRAM-8TOSUB-TRANSFORMERCIRCUIT(W702) ONSCHEMATICDIAGRAM-12VSSVCCVSSVCCVSSVCC
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