Technics-STHD301-tun-sch(1) 维修电路原理图.pdf
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1、A123456ACaAAM ANTAM OSC123456Z1011234567891020191817161514131211X INCEDICLDOAMLWSDCSTRQFMIF INMONOAM INFM INVDDPDA INA OUTVssX OUTZ120 FM FRONT END (RAL0035)L1020.68uHL1010.68uHR1101KC1070.047R112100KC1088.2PC1361000PABCDL1030.47uHR111390R12882R12927KC124100PC1120.01R115560R1161KC11125V4.7D101MA4051
2、MTAR11310KC13327PC13427PX103(7.2MHz)R11768KC1306.3V100C1321000PC1131000PR13210KR1331KR13810KR13010KR1371KR1361KR1351KR1341KABCDC12516V22R1145.6KC1100.01ABCDEFIC102LC72131MDTLMPLL FREQUENCYSYNTHESIZERAM ANTEXTLOOPFM ANT(75ohm)JK101SCHEMATIC DIAGRAM 1TUNER CIRCUITR103100C1010.01C10216V10023456782SC299
3、6BUFFER AMP2SC2996BUFFER AMP2SK360FM OSC2SK238RF AMP122P15P1P18P0.47uH8P100K0.0222.7K47P3P33K100K8P8P10K10K2233K33K100K8P0.0221003307P4P22P1P4P220P1.5M10K1uH2200.0220.0221502P18P1.2K33P470K16V10015P3302SC2620FM MIXERFM/AMF=7.2MHz2.1VP PF522kHz1629kHz0.9V4.6VAMVFM/AMF=7.2MHz1.9VP P2.6V(3.8V)2.9V0.9V0
4、.9V5.2V2.5V0V4.1V0V(0V)(2.5V)(0V)2.6V0V0V0V1.2V3.7V3.7V0V0V(14.8V)(4.2V)(0V):POSITIVE VOLTAGE LINE:FM SIGNAL LINE:FM OSC SIGNAL LINE:AM SIGNAL LINE:AM OSC SIGNAL LINEF87.5MHz108MHz8.1VFMV1.6VRadioFans.CN 收音机爱 好者资料库132CN102BCB242322212019181716151413123456789101112FM IF INAM MIX OUTREGAM IF INGNDSDST
5、FM DETVccSTRQFM/AMMONOOSC OUTOSCAFCAM RF INAGCAM OUTDET OUTPILOT INMPX INPILOT OUTRchLchZ1021234612310K10KB ADFC ER127470C12250V1R1222.7KC12150V0.47C12350V1R13168C1490.1C1471000PR1251.5KR1261.5KC1480.01R124270X102ABC1060.01C1260.047C12716V22C1296.3V100R11910KC1170.018C14150V1R1411KR145100KC1434700PB
6、AC1444700PR146100KR1421KC14250V1C1180.018C1374700PC131100PR12368KC1380.01C12016V10R12122KC1394700PR1024.7KC119390PC1160.033R14322KC11525V4.7R12047KC1091000PC11450V3.3R1183.3KADBCR10410KC1030.01R109330C1041000PR105470CF201R106470K132CF202IC101LA1833MN TLMFM/AM IF AMP,DET/AM OSC,MIX/FM MPXQ106UN4111TA
7、POWER SUPPLY(FM:ON)CN101B1234567+B(2)SDSTEYEVT+B(1)T.GNDABCLDODILch OUTCERch OUTBADA1234567DETNCToCONNECTOR CIRCUIT (CN101A)on SCHEMATIC DIAGURAM-4EToCONNECTOR CIRCUIT (CN102A)on SCHEMATIC DIAGURAM-4ER1404.7KQ1102SC3311ARSTASWITCHINGR1393.3KSCHEMATIC DIAGRAM 2Q1022SC2787LTAFM IF AMPQ1012SC2787LTAFM
8、IF AMPR108470KC1051000PR107330FM0.12VP P(0V)0.7V(0V)12V(0V)14.7V0V(14.8V)14.8V(4.2V)3.7V2.2V2.2V1.7V2.1V2.1V2.1V1.9V1.9V(5.7V)5.2V(2.1V)0V(0.3V)3.2V2.1V5.2V(5.7V)2.1V2.1V0V0V0V(4.7V)3.4V(4.1V)5.2V(5.7V)3.7V(1.1V)3.9V(3.5V)14.8V7.3VFMLINE+B:POSITIVE VOLTAGE LINE:FM SIGNAL LINE:AM SIGNAL LINE:AM OSC S
9、IGNAL LINE7.3V1.6V3V(1.9V)(1V)(0V)0.7V(0V)12VRadioFans.CN 收音机爱 好者资料库BMFL701 (RSL0273 F)A AXB C D E F G HIJKLN O P Q R S T U V WB C D E FARB C D E F G HIJKL M N O P QIC701M30218MAA103FL DRIVE / SYSTEM CONTROLAPXB C D E F G HIJKL M N OWVUTSRQAC DBNEMLKJIHGFLKIJADFECBCABQ7022SD1819ATXFL DRIVEGF47K10KHA
10、G F E D C B132X701(10MHz)R782100K123456R781100K12345678910C78250V1C7120.1C71350V10R734100KR733100C78150V1R727330R726330R725100R7241KR7521KR7531KR7541KR7551KR7561KR7571KR758100R759100R7040ohmR7231KR7221KQ701UN5214TXRESETD701D701MA111TXC705 0.1R703100KD705MA111TXR708820KC70916V10R7011KC7100.01R75110KC
11、7076.3V1000C7060.1C7110.1L701C7150.1C7170.01C7180.01C7160.1R738100R75010KR74610KR74710KR74810KR74910KR7421KR7411KR7401KR7391KC70450V2.2OPQRFL CIRCUITFL DISPLAY136789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
12、5759C7926.3V100ABR7101KR70210KX702(32.7KHz)C70320PC70218P515253545556575859606162636465666768697071727374757677787980123456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30314132423343344435453646374738483949405081828384858687888990919293949596979899100P67/FLD7P66/FLD6P65/FLD5P64/FL
13、D4P63/FLD3P62/FLD2P61/FLD1P60/FLD0VEEP107/AN7P106/AN6P105/AN5P104/AN4P103/AN3P102/AN2P101/AN1AVSSP100/AN0AVCCVREFP51/FLD9P52/FLD10P53/FLD11P54/FLD12P55/FLD13P56/FLD14P57/FLD15P00/FLD16P01/FLD17P02/FLD18P03/FLD19P04/FLD20P05/FLD21P06/FLD22P07/FLD23P10/FLD24P11/FLD25P12/FLD26P13/FLD27P14/FLD28P15/FLD2
14、9P16/FLD30P17/FLD31P20/FLD32P21/FLD33P22/FLD34P23/FLD35VSSVCCP25/FLD37P26/FLD38P27/FLD39P30/FLD40P31/FLD41P32/FLD42P33/FLD43P34/FLD44P35/FLD45P36/FLD46P37/FLD47P40/FLD48P41/FLD49P42/FLD50P43/FLD51P44/TXD0P45/RXD0P46/CXL0P97/CLKOUTP96/DA1/SCLK22P95/SCLK21P94/SOUT2P93/SIN2P92/SSTB2P91/SBUSY2P90/SRDY2C
15、NVSSP87/XCINP86/XCOUT/RESETVSSXOUTXINVCCP85/INT5P84/INT4P83/INT3P82/INT2P81/INT1P80/INT0P77/TA4IN/TA2OUT/CLKS1P76/TA3IN/TA1OUT/CLK1P75/TA2IN/TA0OUT/RXD1P74/TA1IN/YA4OUT/TXD1P73/TA0IN/TA3OUTP72/TB2INP71/TB1INP70/TB0INP50/FLD8P47/CST0RST0P24/FLD36D711MA111TXR783100KR784100KR785100KR786100KSCHEMATIC DI
16、AGRAM 322.2V4.9V22.2V16.7V20.3V22.3V14.7V9.2V20.3V18.5V20.2V14.8V13V9.4V5.6V9.4V15V0V0.3V0V0.6V0V0V11.2V16.6V13.1V9.5V11.3V9.3V15V24V18.5V18.5V9.4V13.2V4.7V22.2V0V18.7V20.4V7.7V11.2V5.9V5.9V5.9V5.9V22.3V22.2V22.2V22.2V22.2V22.2V22.2V22.2V22.2V22.2V22.2V22.2V22.2V22.2V24.6V0V0V4.9V4.9V4.9V4.8V0V0V0V0
17、V1.1V4.7V0V0V0V0V0V4.7V4.7V4.7V0V0V0V0V4.6V4.1V4.5V0V4.2V1.4V3.5V2.4V2.2V3.8V0V4.8V0V0V0V0V0V4.7V4.8V4.9V4.7V24.6V2.2V2.4V:POSITIVE VOLTAGE LINE:NEGATIVE VOLTAGE LINE24V4VT7.2ms.0VT7.2ms.24V4V0V5V0VT36ms.F=10MHz1.4VP P0V5VT27ms.0V5VT27ms.0V5VT27ms.CCABA C BABCECABDA BGDACBEFCN701BLEAFGHCN702BDCBIJK1
18、234567891011121314CN101ACN102AT.GND+B(1)VTSTEYESD+B(2)1234567123456712345671234567CN104BCN103BRch INCELch INDIDOCLCN105B1234567JK201LchRchOUTJK201LchRchEXT/MDCN703BCN703A1234512345L702L703L704L707L706R7601KD7061SS380TE 17R7061KC7080.01D7041SS380TE 17D7031SS380TE 17R7281KR73010KC2091000PR2061KR2051KR
19、2021KR2011KC203100PC201100PC204100PC202100PC206100PC205100PR208100KR207100KR204100KR203100KDEDETNCR7091KR7291KSCHEMATIC DIAGRAM 4OPERATION CIRCUITIN/OUT TERMINALCIRCUIT1234567891011121314ToTUNERCIRCUIT(CN102B)on SCHEMATICDIAGURAM-2AToTUNERCIRCUIT(CN101B)on SCHEMATICDIAGURAM-2ACONNECTORCIRCUITC4710.0
20、47C4720.047INS608 (CLOCK/TIMER/ DEMO)R6081KR609820R6071.2KZ601RCDGP1U26XD(REMOTE SENSOR)C6010.01R6061.5KR6051.8KR6042.2KR6033.3KR6024.7KR6016.8KS610(PLAY)LS609(REC)LS607(SET)S606()S605()S604(TUNE MODE)S603(AUTO/MONO)S601(AM)TUNE/TIME ADJUST213V GOR72115KS602(FM)7.3V14.8V4.9V:FM SIGNAL LINE:AM SIGNAL
21、 LINE:POSITIVE VOLTAGE LINE:NEGATIVE VOLTAGE LINEC347220PC349220PC348220PC350220PFCN104AIC302M62433AFPDIGITAL SOUNDCONTROLLERCN701A1234567BALMKCN702AFP Q JEQ4032SC3940AQSTAREGULATORCN103A1234567Q4072SC3311ATAPOWER SUPPLYTP30610K4.7KQ543DTC143XSTPINTERFACEBDCAQ5422SC3311ATAINTERFACEQ5412SC3311ATAINTE
22、RFACEBSA BDRNOCZGIH123456789 10 11 12 13 14TP1CTP307aWUYTbXVFEACBDBADC1234567FBAER33822KR34010KR336100KR33910KR335100KR3343.3KR33722KR3333.3KR34410KR34310KR3421KR3411KR492150R491150C492100PC491100PD491MA4043MTAC49335V47R54710KR4061KC41116V100R4051/4W10R548330C4100.01R407220D403MA4082LTAC4150.01R4081
23、KC41325V100D492MA4051MTAR5424.7KR5434.7KR54910KR54147KR54510KR54422KR54610KR55010KD542D541D541,542MA165TAC54150V3.3C3430.22C3450.033C3390.047C3410.047C3350.01C3370.01C3333300PC331330PC32916V10C327330PC32516V10R3294.7KC3231000PC321470PR3314.7KR3304.7KR3324.7KC3241000PC322470PC32616V10C328330PC3510.1C
24、332330PC33016V10C3440.22C3460.033C3400.047C3420.047C3360.01C3380.01C3343300P123456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 244142434445464748495051525354555657585960616263646566676869707172737475767778798031323334253526362737283829393040GRAPHIC EQUALIZERGRAPHIC EQUALIZERBP INCDTUNERMDTAPAAUX HA
25、UX LAVSSAGNDAUX LAUX HTAPEMDTUNERCDDEL INBP OUTK IN2K OUT2MIC INTAPE REC2DPL2VOL IN2VOL OUT2MD REC2EXT OUT2GEQ OUT2BB2AVDDDGNDLATCHDATACLKDVDDPORT BPORTABUF NF1BUF INBB1BUF IN2BUF NF2BUF OUT2BUF OUT1RchLchPS INPS+INK IN1K OUT1TAPE REC1MD REC1EXT OUT1DPL1GEQ OUT1VOL IN1VOL OUT1CN105AR49310KSCHEMATIC
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