Rotel-RDA-975-Service-Manual电路原理图.pdf

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1、T echnical Manual DOLBY DECODER RDA-975 Table of Contents Specification. Parts List.26 PCB Assembly.79 Schematic Diagram .1013 SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN Serial. NO. Beginning Quality Uncompromised THE ROTEL CO., LTD. Y-351A-0107/W RadioFans.CN 收音机爱 好者资料库 Pa

2、rts List (1/5) SYMBOLPART NO.DESCRIPTIONSPECIFICATION 651B2U56B21PAC CORDSPT-2 #18AWG 85A556*ACRYA-556 85A491*ACRYLIC,LIGHT GUIDERA-491 ROUND 85A499*ACRYLIC,LIGHT GUIDERA-499 75L63300177*AL PLATEL-633 93AU1*ALL PLATIC WIRE CONNECTORS-1 97D161*ALUMINUM FOILD-161 78C233701015BOTTOM PLATEC-2337 TRANSFO

3、RMER78C206000587BRACKET,U-TYPEC-2060 78233801027*BREAKET,LEFTC-2338 78C233601014BREAKET,RIGHTC-2336 98BSB4F1K*BUSHINGSB4F-1 POWER SWITCH594722ERKCBWCAPACITOR,VDE472/250V TRANSFORMER TO B2882 J266HD686*CONNECTORED-686 3P TRANSFORMER TO B2882 J166HD463*CONNECTORED-463 2P TV392S064*COPPER POST 12MMS-06

4、4 85A560*FILMA-560 85A544*FILTERA-544 81A4TSH19*FOOT CUSHION4TSH-19#2 50 78C230501013FRONT PLATEC-2305 B2882 F1-F32652000222*2FUSE 191952A/250V T 5x20 SIZE 493x390 x12791IRDA975*INSIDE CARTONG00065 60B2880*P.C.B.B2880 60B2881*P.C.B.B2881 KEY 60B2882*P.C.B.B2882 POWER 60B2403A*P.C.B.B2403B Z38500 KEY

5、85A480*LIGHT BOXA-480 80MM85A561*ORNAMENT END CAPA-561 4TR-2797#2 SIZE 503x406x32091CRDA975*OUTER CARTONG00066 SCCR*P1809B*PLASTIC SCREW1/8x9 80TQF15*POWER PUSH KNOB4TQF-15 20PSDLB1007UPOWER SWITCHSDDLB1007U TV3 80KB383*PUSH KNOB 2PKB-383 80KB382*PUSH KNOB 3PKB-382 85A4TTL15*PUSH SW CONNECTOR4TTL-2(

6、A-365) 97DS072*PUSH SW SPRINGTR-1988A(S-072) 85A358*PVC,UPPERA-358(4TR-2418) 78C230601017REAR PLATEC-2306 B2881x8.B2882x4.B2880 x3SCCR*T3006Y*SCREWCRTS 3x6 SCCR*T3006B*SCREWCRTS 3x6 B FOOT CUSHIONSCCR*T3008B*SCREWCRTS 3x8 B SCCR*T3006B*SCREWCRTS 3x6 B TV3.B2880 x3.B2403Ax4SCCR*M3006Y*SCREWCRMS 3x6 Y

7、 TRANSFORMERSCCRWM4008B*SCREWCRWMS 4x8 B SCCB*R3008B*SCREWCRTS 3x8 B SCCF*T3008W*SCREW FLATCRTS 3x8 W 78C233101018SI-STEEL SHIELDC-2331 94D175*SPONGE,EVAD-175 11x11x25 REAR PLATESTICKEREL-008 INSIDE CARTONSTICKEREL-009 9903RDA975*STYROFOAMTZ-165-1-1 E53018M212*TRANSFORMERE53018M212* POWER990130ULB*T

8、UBE,SLEEVE30 BLACK 78C230701016UPPER COVERC-2307 85A506*WASHER,LEDA-506 WASHER,PUSH SW4TQF-13 85A418*WASHER,RCAA-418 RadioFans.CN 收音机爱 好者资料库 Parts List (2/5) SYMBOLPART NO.DESCRIPTIONSPECIFICATION 68DB25*DB25 CABLEWGC-1 99ORDA975*OWERS MANULANRDA-975 9905RDA975*WARRANTY STATEMENT C9491021HREFDTCAPAC

9、ITOR CERAMIC102/50V F/Z C34.35.36.37.38.39.40.97.101491031HRZFDTCAPACITOR CERAMIC103/50V F/Z C11.12.13.102.103.104.128-133490471HRKSDTCAPACITOR CERAMIC47P/50V SL/K C24.25.26491011HRKSDTCAPACITOR CERAMIC100P/50V SL/K C14.56.57.61.62.66.67.71.72.76.77.81.82.105. 120.122.124.126.135.138-145 561041HRZFD

10、TCAPACITOR CERAMICX7R 104/50V C114.115.116.117.118.119401001H0511TCAPACITOR ELEC10U/50V C10.58.59.60.63-65.68-70.73-75.78-80.83-85404701E0511TCAPACITOR ELEC47U/25V C121.123.125.127401011E6311TCAPACITOR ELEC100U/25V C23481001H0511TCAPACITOR ELEC10U/50V NP C1.2.3.4.5.6.8.52.53.54.55.96.100.134.1374847

11、01E0811TCAPACITOR ELEC47U/25V NP C42.44.46.48.50.136501021HRJENTCAPACITOR MYLAR102J/50V C27.28.29.30.31.86.87.88.89.98.99501041HRJENTCAPACITOR MYLAR104J/50V C32502241HRJEMTCAPACITOR MYLAR224J/50V MIN C33503331HRJENTCAPACITOR MYLAR333J/50V C7508231HRJENTCAPACITOR MYLAR823J/50V C41.43.45.47.49.5150332

12、1HRJENTCAPACITOR MYLAR332J/50V C90.91.92.93.94.95531722AWORKFCAPACITOR PP-D172/50V F1.2.3.4.5.6.EMIF1.2.3.4.5.621FILTER102*CERAMIC FILTER102 68DBR25MTKO*DB25 JACKDBR25MTKO MALE D1.2.3.4.7131N4007*DIODE1N4007 D5131N4148*DIODE1N4148 Y173B3C2T7P5P8FERRITE BEAD3.5x7.5x0.8 U19.20.21.22.25.2611NJU201AD*DI

13、CNJU201AD U6.1811NE5532AN*DICNE5532AN U2411NJM353D*DICNJM353 U11.12.1311OPA2604APDICOPA2604AP U2.3.4.5.7.8.9.10.14.23.4211AD712*ICAD712JN U15.16.1711PCM1710U*SIC SMTPCM1710U 60B2880*P.C.BB2880 J1368HSP246V634RCA JACKHSP-246V6-34 6P R135300220C4TJ2TRESISTOR CARBON1/4W T 220 R4.13.20.25.30.46.68.70.74

14、3002K2C4TJ2TRESISTOR CARBON1/4W T 2K2 R11.45.49.823002K7C4TJ2TRESISTOR CARBON1/4W T 2K7 R6.36.57.58.59.60.613004K7C4TJ2TRESISTOR CARBON1/4W T 4K7 R99.107.1183005K6C4TJ2TRESISTOR CARBON1/4W T 5K6 R65.85.87.89.91.93.95.1343006K8C4TJ2TRESISTOR CARBON1/4W T 6K8 R7.8.9.10.98.10830010KC4TJ2TRESISTOR CARBO

15、N1/4W T 10K R42.50.51.55.72.10030012KC4TJ2TRESISTOR CARBON1/4W T 12K R48.78.79.80.8130015KC4TJ2TRESISTOR CARBON1/4W T 15K R37.38.39.4030018KC4TJ2TRESISTOR CARBON1/4W T 18K R41.43.52.56.7130022KC4TJ2TRESISTOR CARBON1/4W T 22K R53.54.62.63.64.73.75.76.77.83.11530047KC4TJ2TRESISTOR CARBON1/4W T 47K R5.

16、12.21.26.31.35.44.67.69.97.106.109-114.11730100KC4TJ2TRESISTOR CARBON1/4W T 100K R11630330KC4TJ2TRESISTOR CARBON1/4W T 330K R86.88.90.92.94.9639033001MJ*RESISTOR M.O.F1W 330 R1.2.15.16.17.18.22.23.28.29.32.33324K02C4TF2TRESISTOR METAL1/4W T 4K02 R3.14.19.24.34.47325K36C4TF2TRESISTOR METAL1/4W T 5K36

17、 R27.101.102.103.104.105326K04C4TF2TRESISTOR METAL1/4W T 6K04 SW2.SW4 NO MONO NO20S04P022BY*SLIDE SWITCHSS004-P022BY-PF8 SW1.SW3 NO OFF NO20S04P223BS*SLIDE SWITCHSS004-P223BS-PF8 ACCESSORIES PCB B 2 8 8 0 Parts List (3/5) SYMBOLPART NO.DESCRIPTIONSPECIFICATION Q7122SA970BL*TTRANSISTOR2SA970BL/GR Q8.

18、9.10.11122SC1815BLTTRANSISTOR2SC1815BL/GR Q1.2.3.4.5.6122SC3327*TTRANSISTOR2SC3327 J1166W504508R*WAFER5045-8P J1.3.466W504504R*WAFER5045-4P J1266W504503R*WAFER5045-3P J266W396302R*WAFER5045-2P D613Z4P70P5*ZENER DIODE4.7V/0.5W Z113Z5P60P5*ZENER DIODE5.6V/0.5W C27492021HRZFDTCAPACITOR CERAMIC202/50V F

19、 C14.15490301HRKSDTCAPACITOR CERAMIC30P/50V SL C29-38.39-43561041HRZFDTCAPACITOR CERAMIC104/50V C26404701E0511TCAPACITOR ELEC47U/25V C17401011E6311TCAPACITOR ELEC100U/25V C16482201H0811TCAPACITOR ELEC22U/50V NP B2881 J6 TO B2880 J266HD945*CONNECTORED-945 2P B2881 J3 TO B2880 J1266HD757*CONNECTORED-7

20、57 3P B2881 J4 TO B2403A J1166HDA42*CONNECTORED-A42 4P B2881 J5 TO B2882 J366HD948*CONNECTORED-948 3P B2881 J2 TO B2403A J166HDA43*CONNECTORED-A43 5P B2881 J1 TO B2403A J766HDA41*CONNECTORED-A41 6P Y121CSA1200MTZCRYSTAL OSC CERAMIC12MHZ D25.26131N4148*DIODE1N4148 DIS218SDC0311EWADISPLAY LEDDC03-11EW

21、A DIS118SC0312EWA*DISPLAY LEDSC03-12EWA Q811M51951BSLBICM51951B U1111F16V8B15PDICATF16V8B U21156A11251*DICAOC 56A1125-1 U1811BA618*DICBA618 C3.4.5.6.7.1711CD74HC573EICCD74HC573E U11127C256R12DICM27C256B U12.13.14.1511DT5C114E*DICDT5C114E U1611TC74HC02APIC74HC02AP U8.91174HC244AEDIC74HC244AP U101193C

22、46*DIC93C46 D5.6.7.8.9.10.11.2418L3XAT*LEDL-3XAT D16.17.18.20.21.22.23.3318L934IT*LEDL-934IT 1.2.3.4.19.27.28.3218L3XGT*LEDL-3XGT D12.13.14.1518L937EYC*LEDL-937EYC B2881 P2 TO B2403A BW100726400O*MULTI THREAD1007#26 400MM B2881 C26 + TO B2881 Q8.3W100726210*MULTI THREAD1007#26 210MM B2881 D31 + TO B

23、2881 +5VW100726030*MULTI THREAD1007#26 30MM 60B2881*P.C.BB2881 R2-16.32.38.39.42300472C4TJ2TRESISTOR CARBON1/4W T 470 R20.21.22.23.24.25.26.4530001KC4TJ2TRESISTOR CARBON1/4W T 1K R17.18.193004K7C8TJ2TRESISTOR CARBON1/8W T 4K7 R27.28.293005K6C8TJ2TRESISTOR CARBON1/8W T 5K6 R33.3430010KC8TJ2TRESISTOR

24、CARBON1/8W T 10K R130022KC8TJ2TRESISTOR CARBON1/8W T 22K R35.3630022KC8TJ2TRESISTOR CARBON1/8W T 100K R3730001MC8TJ2TRESISTOR CARBON1/8W T 1M B2881 Q7(E) TO R403002K2C4TJ5BRESISTOR CARBON1/4W T 2K2 30.3129C44730807JRESISTOR NETWORKS47K x 7 U110A28PBD*SCOKET,IC28P Pith 2.54 U1110A20PBD*SOCKET,IC20P P

25、ith 2.54 SW1-10.SW12.1320GB3F1050*TACT SWITCHB3F-1050 PCB B 2 8 8 1 Parts List (4/5) SYMBOLPART NO.DESCRIPTIONSPECIFICATION Q1.5.6122SC2235Y*TTRANSISTOR2SC2235Y Q2.3.4122SC2240BLTTRANSISTOR2SC2240BL/GR P231005K06H*TVR6 H-TYPE 5K C11401001H0511TCAPACITOR ELEC10U/50V C3.4.16401011C6311TCAPACITOR ELEC1

26、00U/16V C17.19402211E8115TCAPACITOR ELEC220U/25V C1482211E1020TCAPACITOR ELEC220U/25V NP C9.10.12401021E1220BCAPACITOR ELEC1000U/25V C5.6.8404721E1831BCAPACITOR ELEC4700U/25V C7.13.14.15.18522242EWCRKFCAPACITOR MPP-C0.22K/250V C2521042CWORKFCAPACITOR MPP-D0.1/160V B2882 J4 TO B2880 J1166HDA40*CONNEC

27、TORED-A40 8P D3.5131N4007*DIODE1N4007 D1.213S4VB20*DIODES4VB20 F1-F367A05*TFUSE HOLDERPFC5000-0202 5 D176H02500129*HEAK SINKH-025 Q376H04200127*HEAT SINKH-042 U3.476H522000134HEAT SINKH-522 U176H521000135HEAT SINKH-521 U2117805CT*DIC7805CT U111AN7805*DICAN7805 U311AN7815*DICAN7815 U411AN7915*DICAN79

28、15 60B2882*P.C.BB2882 R230047KC4TJ2TRESISTOR CARBON1/4W T 47K R130150KC4TJ2TRESISTOR CARBON1/4W T 150K R5300100C2TJ*RESISTOR CARBON1/2W T 100 R4302P2KC2TJ*RESISTOR CARBON1/2W T 2K2 R339001K01MJ*RESISTOR M.O.F1W 1K U1.3.4SCCR*T3008Y*SCREWCRTS 3x8 Y Q3SCR*T3006Y*SCREWCRTS 3x6 Y H025SCCR*T3015Y*SCREWCR

29、TS 3x15 Y/B Q1122SC1815BLTTRANSISTOR2SC1815BL/GR Q2122SC2235Y*TTRANSISTOR2SC2235Y Q3122SB633E*BTRANSISTOR2SB633E J566W504502R*WAFER5045-2P J366W504503R*WAFER5045-3P J166W396302R*WAFER3963-2P J266W396303R*WAFER3963-3P SCWSY3*WASHER,SPRING3 D413Z4P70P5*2TZENER DIODE4.7V/0.5W C2.3.8.10-43.45.47-62.64.6

30、7-70.76.78-81.86.87561041HCZFSTCAPACITOR CERAMIC SMT104/50V 0805 C84.85541032EWCRKFCAPACITOR PS-C0.01/100V EMIF1.EMIF521FILTER101*CERAMIC FILTER101 EMIF2.EMIF3.EMIF421FILTER104*CERAMIC FILTER104 L1-L373C047UH*CHOKE47uH B2403A J2 TO B2882 J566HD578*CONNECTORED-578 2P B2403A (J4)(J5)(J6) TO B2880(J1)(

31、J3)(J4)66HD870*CONNECTORED-870 4P OSC117OSC33MHZ*BCRYSTAL33MHz D2.3.4.20.11.12.13131N4148*DIODE1N4148 Y1.2.3.873B3C2T7P5P8FERRITE BEAD3.5T x 7.5 x 0.8M U111CSB8412CP*ICCSB8412-CP U211ZR38500PQSIC SMTZR38500 U3-U511AS7C25620SIC SMTAS7C256-20JC PCB B 2 8 8 2 PCB B 4 0 3 B Parts List (5/5) SYMBOLPART N

32、O.DESCRIPTIONSPECIFICATION U61174HC123DTSIC SMT74HC123D U71174HC595DTSIC SMT74HC595D U81174HC74DT*SIC SMT74HC74D U9.10.151174HC04DT*SIC SMT74HCU04D U111174HC02DT*SIC SMT74HC02D U171174HC125DTSIC SMT74HC125D U181174HC08DTSIC SMT74HC08D D118L32HD*LEDL-32HD 3 IR114TORX176*OPTICAL RECIEVERTORX176 60B240

33、3A*P.C.BB2403B R44 UP87010119*PIN1x1x19 J8.9680501040YG*RCA JACK0501040-YG R20.21300010C80805RESISTOR CARBON SMT1/8W 10 R34.38300075C80805RESISTOR CARBON SMT1/8W 75 R7-R18300100C80805RESISTOR CARBON SMT1/8W 100 R1.2.22.23.28-30.4230001KC80805RESISTOR CARBON SMT1/8W 1K R443003K3C80805RESISTOR CARBON

34、SMT1/8W 3K3 R36.403004K7C80805RESISTOR CARBON SMT1/8W 4K7 R3.5.6.37.4130010KC80805RESISTOR CARBON SMT1/8W 10K R4.35.39.5030022KC80805RESISTOR CARBON SMT1/8W 22K R4330100KC80805RESISTOR CARBON SMT1/8W 100K R4830001MC80805RESISTOR CARBON SMT1/8W 1M R493004M7C80805RESISTOR CARBON SMT1/8W 4M7 C1.5531031

35、HCZFSTRESISTOR CARBON SMT103/50V 0805 C4564731HCZFSTRESISTOR CARBON SMT473/50V 0805 C73.75490101HCJNSTRESISTOR CARBON SMT10P/50V 0805 C66444R71H0511TRESISTOR ELEC4.7U/50V KULR C6.7.44.46.63403301C0511TRESISTOR ELEC33U/16V CX1.CX4-CX6.77404701E0511TRESISTOR ELEC47U/25V C9402211C8115TRESISTOR ELEC220U

36、/16V C72.74484701E0811TRESISTOR ELEC47U/25V NP Q1122SC2458GRTTRANSISTOR2SC2458GR J1166W504504R*WAFER5045-4P J166W504505R*WAFER5045-5P J766W504506R*WAFER5045-6P PCB Assembly B2880 Top Side PCB Assembly B2880 Patterns of Top and Bottom PCB Assembly B2881 Top Side B2882 Patterns of Top and BottomB2882

37、Top Side B2881 Patterns of Top and Bottom L C R SUB SL SR A GND D GND TO DB25 WCKI DIGITAL GND MALE JACK OUTPUT DATA BCKIN SCKI AGND DGND DGND AGND WCKI DATA BCKIN SCKI AGND DGND DGND AGND WCKI DATA BCKIN SCKI AGND DGND DGND AGND SMALLLARGE FRONT SP SW LARGE LARGE SMALL NOUN LARGE NOUN SUB SP SW YES

38、NO SURROUND SP SW R OUTPUT R OUTPUT R OUTPUT R OUTPUT R OUTPUT R OUTPUT MUTE B+15V B 15V A+5V D+5B DGND AGND DM1 DM2 DSD P1 CONNECTOR DB25 13 25 12 2 11 23 10 22 9 21 8 20 7 19 6 18 5 17 16 3 15 2 1 1 Y1 BEAD R1 K02 R2 K02 R3 5K36 + U1A AD712 3 2 1 8 R2K2 C1 7u 25V NP R5 100K + U1B AD712 5 6 7 8 R6

39、K7 C2 7u/25V NP R12 100K R132K2 + U2A AD712 3 2 1 8 R1 5K36 R15 K02 R16 K02 R17 K02 R18 K02 R19 5K36 + U2B AD712 5 6 7 8 R20 2K2 R21 100K C3 7u/25V NP R22 K02 R23 K02 R2 5K36 + U3A AD712 3 2 1 8 R25 2K2 C 7u/25V NP R26 100K R27 6K0 R28 K02 R29 K02 + U3B AD712 5 6 7 8 R30 2K2 C5 7u/25V NP R31 100K R3

40、2 K02 R33 K02 R3 5K36 + U A AD712 3 2 1 8 C6 7u/25V NP R35 100K R36 K7 + U B AD712 5 6 7 8 R37 18K R38 9K1 C7 10 /50V + U5A AD712 3 2 1 8 R39 18K R 0 9K1 + U5B AD71 5 6 7 8 R 1 30K + U6A AD712 3 2 1 8 + U6B AD712 5 6 7 8 R 2 22K R 3 30K C8 7u 25V NP + U7A AD712 3 2 1 8 C9 102/50V R 100K + U7B AD712

41、5 6 7 8 C11 50P C12 50P C13 50P C1 10 /50V C15 103/50V C16 103/50V C17 103/50V C18 103/50V C19 103/50V C20 103/50V C21 103/50V C22 103/50V R 6 2K2 C23 10u/50V NP C2 100P/160V MPP-D C25100P/160VMPP-D C26 100P/160V MPP-D C27 10 /160V MPP C28 10 /160V MPP C29 10 /160V MPP C30 10 /160V MPP C31 10 /160V

42、MPP C32 10 /160V MPP C33 10 /160 MPP C3 103/160 MPP C35 103/160 MPP C36 103/160 MPP C37 103/160V MPP C38 103/160 MPP C39 103/160 MPP C 0 103/160 MPP C 1 102/50V PP-D C 2 102/50V PP-D C 3 102 50V PP-D C 102/50V PP-D C 5 102 50V PP-D C 6 102/50V PP-D C 7 102 50V PP-D C 8 102/50V PP-D C 9 102 50V PP-D

43、C50 102/50V PP-D C51 102 50V PP-D F1 EMI 102 13 F2 EMI 102 13 F3 EMI 102 13 + U8A OPA260 3 2 1 8 + U8B OPA260 5 6 7 8 + U9A OPA260 3 2 1 8 + U9B OPA260 5 6 7 8 + U10A OPA260 3 2 1 8 + U10B OPA260 5 6 7 8 1 50 5- P 1 2 3 R 7 5K36 R 8 15K + U11A OPA260 3 2 1 8 + U11B OPA260 5 6 7 8 + U12A OPA260 3 2 1

44、 8 + U12B OPA260 5 6 7 8 + U13A OPA260 3 2 1 8 + U13B OPA260 5 6 7 8 R50 22K C52 7u 50V NP J2 3963-2P 1 2 C53 7u/25V NP + U1 A AD712 3 2 1 8 + U1 B AD712 5 6 7 8 C5 7u/25V NP C55 7u/25V NP C56 10 /50V C57 10 /50V C58 7u/25V C59 7u/25V C60 7u/25V C61 1050V C62 10 /50V C63 7u/25V C6 7u/25V C65 7u/25V

45、J3 50 5- P 1 2 3 C66 10 /50V C67 10 /50V C68 7u/25V C69 7u/25V C70 7u/25V C71 1050V C72 10 /50V C73 7u/25V C7 7u/25V C75 7u/25V 50 5- P 1 2 3 C76 10 /50V C77 10 /50V C78 7u/25V C79 7u/25V C80 7u/25V C81 1050V C82 10 /50V C83 7u/25V C8 7u/25V C85 7u/25V + U18A AD712 3 2 1 8 R51 22K R52 30K C86 1/160V

46、 MPP U19 NJM201A IN1 1 D1 2 S1 3 V- GND 5 S 6 D 7 IN 8 IN3 9 D3 10 S3 11 NC 12 V 13 S2 1 D2 15 IN2 16 R53 7K R5 7K + U18B AD712 5 6 7 8 R55 22K R56 30K C87 10160V MPP U20 NJM201A IN1 1 D1 2 S1 3 V- GND 5 S 6 D 7 IN 8 IN3 9 D3 10 S3 11 NC 12 V 13 S2 1 D2 15 IN2 16 SW1 P223BSM-PF8 1 2 3 5 6 7 8 U21 NJ

47、M 01A IN1 1 D1 2 S1 3 V- GND 5 S 6 D 7 IN 8 IN3 9 D3 10 S3 11 NC 12 V 13 S2 1 D2 15 IN2 16 U22 NJM 01A IN1 1 D1 2 S1 3 V- GND 5 S 6 D 7 IN 8 IN3 9 D3 10 S3 11 NC 12 V 13 S2 1 D2 15 IN2 16 R57 K7 SW2 SLIDE SW-3P 2 3 R58 K7 + U23A AD712 3 2 1 8 R59 K7 R60 K7 R61 K7 C88 10 /160V MPP C89 10 /160VMPP R62

48、 7K R63 7K R6 7K D1 1N 002 D21N2 C90 100/50V PP-D C91 100 50V PP-D C92 100/50V PP-D C93 100/50V PP-D C9 100/50V PP-D C95 100 50V PP-D R67 100K R68 2K2 C96 7u 25V NP + U23B AD712 5 6 7 8 C97 103/160V MPP R69 100K R70 2K2 R71 30K + U2 A AD712 3 2 1 8 C98 10 /160V MPP C99 10 /160V MPP R72 22K U25 NJM 01A IN1 1 D1 2 S1 3 V- GND 5 S 6 D 7 IN 8 IN3 9 D3 10 S3 11 NC 12 V 13 S2 1 D2 15 IN2 16 C100 7u 25V NP + U2 B AD712 5 6 7 8 C10 103/160V MPP R73 100K R7 2K2