NAD-C720BEE-rec-sm2 维修电路原理图.pdf

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1、PRELIMINARYNADSERVICE MANUAL C720BEESTEREORECEIVER STEREORECEIVERRadioFans.CN 收音机爱 好者资料库FACTORY DEFAULTS AND REGION SETTING PROCEDURES RESET FOR AH VERSION FM + DISC RESET FOR C VERSION FM + CD TEST PRESETS 3FM & 3AM AM + MEMORY VFD ALL DISPLAY AM + TAPE AM FREQ. STEP AM and then AM + FM MUTE VERSIO

2、N CHECK FM + AM RadioFans.CN 收音机爱 好者资料库C61220pR61220R631M Q612SK369R671KR69430 2%Q63A970Q67D667C6322pR6111KQ64B647R61310KD61D62R61533C650.1u 20%C660.1u 20%C69100pR61710R61910C62220pR62220R641M Q622SK369R681KR610430 Q65A970Q68D667C6422pR6121KQ66B647R61410KD63D64R61633C670.1u 20%C680.1u 20%C610100pR61

3、810R62010123456789CB61R621120C61115pFGND+18V-18VLOUTROUTRIN-RIN+LIN+LIN-C720BEE PREAMP OUT MODULE BOARD123456789CB31Moto Pots Borad3728RT33APOTALPS3645RT33BPOTALPS910RT33CPOTALPSRCA31ADISCRCA31CCDRCA32AAUXRCA32CVIDEOR31470R33470R35470C31100p,50V,20%C33100p,50V,20%C35100p,50V,20%R37470C37100p,50V,20%

4、465RL31B465RL32B465RL33B465RL34BR3491MR3511MR3531MR3551ML-CH INPUTSC720BEE INPUT SELECT CIRCUIT R39470C39100p,50V,20%465RL35BR3571MRCA31BDISCRCA31DCDRCA32BAUXRCA32DVIDEOR32470R34470R36470C32100p,50V,20%C34100p,50V,20%C36100p,50V,20%R38470C38100p,50V,20%132RL31A132RL32A132RL33A132RL34AR3501MR3521MR35

5、41MR3561MR-CH INPUTSR310470C310100p,50V,20%132RL35AR3581MRCA33DRECORD RRCA33CRECORD LC32547u/25R3213K3 MFR323750 MFR319N.I.R325390 MFR327180 MFC32722n 5%C3290.1u 5% 63VR3291K5 MFR331390 MFC3310.22u 5%C3330.97u 5%C335470p,50V,20%123SW31AC3391u/50TONE DEFEAT SWR3595K1 MFONOFFTO VOLUME POTBALANCE POTBA

6、SS POTTREBLE POT63V63V63VC3370.1UC3210.1UC720BEE TONE CONTROL CIRCUITRT31ART32A10KART34A456SW31BC32647u/25R3223K3 MFR324750 MFR320N.I.R326390 MFR328180 MFC32822n 5%C3300.1u 5% 63VR3301K5 MFR332390 MFC3320.22u 5%C3340.97u 5%C336470p,50V,20%C3401u/50TONE DEFEAT SWR3605K1 MFOFFONBALANCE POTBASS POTTREB

7、LE POT63V63V63VC3380.1UC3220.1URT31B10KART32B10KART34B20K MNR4071KR40210KR40410KR4031KR4051KR4061KC4174u7/50VC4184u7/50VQ402C1815Q401A1015Q404C1815Q403A1015VOLUME CONTROLMOTOR+5VC303220pC302220pC30110uF/50V78RL31C78RL32C78RL33C78RL34C78RL35CCD+12VRCA34AL PRE-OUTQ31MMBJ108C343220pR33810MR3334.7KR3356

8、8C34147u/25R347100KC3450.1URCA34BR PRE-OUTQ32MMBJ108C344220pR33910MR3344.7KR33668C34247u/25R348100KC3460.1UPHONE1AIR OUTPHONE1BIR INPHONE2+12V TriggerR210C30.1uF,63v,20%+12VRI11KQI12SC1815RI21KQI22SA1015RI333+5V+5VC3190.1u 10%C32447u/25C32347u/25C3200.1u 10%123456789CB32LOW NOISE AMP MODULE-18V+18V1

9、23456789CB33LOW NOISE AMP MODULE+18V-18VR345220K1716151413121110987654321CZ36CON17GNDSTEREOTUNERPLL CLK1PLL D1PLL D0PLL CERDS CLKRDS DATA+12VL-OUTR-OUT12345678CZ37CON8STEREOTUNERPLL CLK1PLL D1PLL D0PLL CERDS CLKRDS DATAR311470C3111n2,50V,10%465RL36BR3371MTUNER LR346220KR312470C3121n2,50V,10%132RL36A

10、R3411MTUNER RRCA33BTAPERCA33ATAPE78RL36CQ33C1815Q34C1815Q35C1815Q36C1815Q37C1815R3694K7R3714K7R3734K7R3754K7R3774K7C35110n,63V,10%C352C353C354CD SELDISC SELTAPE SELAUX SELTURNER SELDISCTAPEAUXFM/AMR3784K7R3764K7R3744K7R3724K7R3704K7Q38C1815R3794K7R3804K7VIDEOSTR1D2CLK3Q14Q25Q36Q47VSS8QS9QS10Q811Q712

11、Q613Q514OE15VCC16IC334094STR1D2CLK3Q14Q25Q36Q47VSS8QS9QS10Q811Q712Q613Q514OE15VCC16IC324094C357C358+5VQ39C1815R3815K1VOL-VOL+IR OUTIR IN11111111111098765432987654321CZ35CON19IP SEL DATAIP SEL CLKIP SEL STStandby+5V12VVIDIO SELC355C356123456789CZ34-+Vee1L12L23L34L45L-COM16L57L68L-COM29L710L811L-COM31

12、2ST13Vss14CL15DATA16R-COM317R818R719R-COM220R621R522R-COM123R424R325R226R127Vdd28IC31NJU7313OP SEL CLKOP SEL DATAL1L2L3L4L5L6L1L2L3L4L5L6R1R2R3R4R5R6R1R2R3R4R5R6D31316VD31416VR3672KR3682K+18V-18VSPK ASPK BSPK ASPK BVOL-VOL+R38222KCD SELDISC SELTAPE SELAUX SELTURNER SELVIDIO SELOP SEL STOP SEL CLKOP

13、SEL DATAOP SEL STIP SEL DATAIP SEL CLKIP SEL STIP SEL CLKIP SEL STRI6100RI44.7KVFD AC1VFD AC2+-R317470C317100pC318100pR318470IC34ARC4580IPIC34BRC4580IPR36211K,MF,1%C347 1uF.63V,5%R36510kRCA35PRE-OUTR363100C360100p-18V+18VR36111K,MF,1%C3482.2uF,50V,5%R36410kR36610K+5VR492C441C438C442C440C439-30VC4440

14、.1uFC350820pR38820kVR302100R3861.8R384560 1%C3491nFVR301100R38720KR3851.8R383560 1%C61220pR61220R631M Q612SK369R65560 2%R671KR69430 2%Q63A970Q67D667C6322pR6111KQ64B647R61310KD61D62R61533C650.1u 20%C660.1u 20%C69100pR61710R61910C62220pR62220R641M Q622SK369R66560 2%R681KR610430 Q65A970Q68D667C6422pR61

15、21KQ66B647R61410KD63D64R61633C670.1u 20%C680.1u 20%C610100pR61810R62010123456789CB61R621120C61140pFGND+18V-18VLOUTROUTRIN-RIN+LIN+LIN-C720BEE PREAMP IN MODULE BOARDQ3102SK363R34010MD315C361N.I.D37D38D39D310D311D312REMOTE MUTE CONTROL MUTEQ311MMBJ108Q312MMBJ108R38910MR39010MR392100KR391100KPRE MUTEC3

16、620.1uFR39310K12345678910CB3412345678910CB34MUTE BOARDSPK ASPK BPROTECTIONC720BEE INPUT & PREAMPLIFIERIR OUTIR INPROTECTIONC71210nC717100u/16V231IC702IS1U60LREDR73915KGREENQ702C1815R718470IR RECEIVERR717330VSA1K2A3DOUBLE LEDG+5VPROTECTIONPOWER/PROTECTION IND.513AWN8C320F08N8C320F06+5V+12VQ701C1815R7

17、192K2Q703C1815+5V+5VSTEREOTUNERPLL CLK1PLL D1R74010KPLL D0D7071N4148PLL CEC72122pRDS CLKC7224.7pRDS DATAY70112MHzR70510K+5V+5VStandbyR7234.7K+5VR7254.7K+12VR7244.7KR7264.7KC70210nC70110nspeak aD709GREEN1A2KD708GREEN+5VQ704C1815Q705C1815speak aOP SEL DATAQ7122SC1815OP SEL CLKIP SEL DATAR742470IP SEL

18、CLKIP SEL STR74310KIP SEL DATAIP SEL CLKIP SEL ST212345678910111213141516171819CZ702CON19R71110kR71210kR71010KR71310KC7060.1uFC7070.1uFC7080.1uFC7050.1uFA01A12A23Vss4SDA5SCL6WP7Vcc8IC70524C64C7190.1uFC7230.1u StandbyC7040.1uFR70610KS719SW-PBOP SEL STOP SEL DATAOP SEL CLKOP SEL STVFD DOUTVFD DINVFD C

19、LKVFD STBIP SEL DATAIP SEL CLKIP SEL STC72010uF/50V+5V+5VR70910KR70810KR70710KR71410KR71510KR71610KA1C2B3IC706ENCODEIP SEL CLKIP SEL DATAIP SEL ST2VIDEOTUNERAUXTAPECDIR OUTIR INIR OUTC718AUXQ706C1815VIDEOQ707C1815CDQ708C1815DISCQ709C1815TAPEQ710C1815Q711C1815R7274K7R7294K7R7314K7OP SEL CLKR7334K7OP

20、SEL DATAR7354K7OP SEL STR7374K7C71010nspeak bC71110nFlashC71310nspeak bC71410nC71510nTUNERC71610nDISCR7384K7R7364K7R7344K7R7324K7R7304K7R7284K7D715GREEN1A2KD714GREEND713GREENR7222.2KD712GREEND711GREEND710GREENSTR1D2CLK3OE15VCC16Q14Q25Q36Q47Q514Q613Q712Q811QS9QS10GND8IC7074094PSEN29ALE/P30TXD11RXD10P

21、2728P2627P2526P2425P2324P2223P2122P2021P0039P0138P0237P0336P0435P0534P0633P0732WR16RD17RESET9X218X119EA/VP31T014T115INT012P101P112P123P134P145P156P167P178INT113VCC40GND20IC704AT89C55WD+12VAAKKD7161N4148+5R748 8*10KIP SEL STR74910KIP SEL ST2RDS CLKS715ON/StandbyS716DISCS717CDS718TAPES711AUXS712FMS713

22、AMS714SpeakerAS707SpeakerBS708Preset downS709Preset upS710Tune downS703Tune upS704DisplayS705MemoryS706BlendS701FM Mute/ModeS702videoP1P2P3P4P5D7051N4148D7041N4148D7031N4148D7021N4148D7011N4148123456789101112131415161718CZ703CON18-30V-30VKEY1KEY2KEY3KEY4+5VVFD1VFD2VFD1VFD2KEY1KEY2KEY3KEY4P1P2P3P4P5V

23、FD DOUTVFD DINVFD CLKVFD STBD718D719D717D720R7502kD7215.6VFlashR7512KC725C726C724R7202.2KR7212.2K132IC708TCM810MENDD706DIODEP1P2P3P4P5P6P7P8P9SW11SW22SW33SW44Dout5Din6IC7CLK8STB9KEY110KEY211KEY312KEY413Vdd14Seg1/KS115Seg2/KS216Seg3/KS317Seg4/KS418Seg5/KS519Seg6/KS620Seg7/KS721Seg8/KS822Seg9/KS923Seg

24、10/KS1024Seg11/KS1125Seg12/KS1226Seg13/Grid1627Seg14/Grid1528Seg15/Grid1429Seg16/Grid1330Seg17/Grid1231Seg18/Grid1132Vdd33Vee34Seg19/Grid1035Seg20/Grid936Grid837Grid738Grid639Grid540Grid441Grid342Grid243Grid144Vdd45LED546LED447LED348LED249LED150Vss51OSC52IC703UPD16311/S0791GCP10P11P12P13P14P15P16P17

25、P18G1G2G3G4G5G6G7G8G9G10+5V+5VC7030.1uFR741P1P2P3P4P5P6P7P8P9P10P11P12P13P14P15P16P17P18G1G2G3G4G5G6G7G8G9G10F11F12P184P175P166P157P148P139P1210P1111P1012P913P814P715P616P517P418P319P220P121G1026G927G828G729G630G531G432G333G234G135F237F238IC701HNA-10SM12+5V-30V123456789101112131415161718CZ703CON18+5

26、V-30VVFD1VFD2VFD2VFD1P5P1P2P3P4R701R702R703R704R747R746R745R744DinDoutVFD CLKVFD STBKey2Key3Key1Key4Key2Key3Key1Key4+5VSTEREOTUNERPLL CLK1PLL D1PLL D0PLL CERDS CLKRDS DATA12345678CZ701CON8C720BEE KEYBOARDR44656KR44556KD4201N4148D4191N4148+18V-37V+37VSUPPLY CIR.+5VC21922n 10% 63VRCA34DMAIN-IN R-CHL O

27、UTR OUTBINDING POSTSBINDING POSTSD4121N4148D4131N4148+37VR44910KR45010KR454500R455500+37VQ416 C1815Q417C181523184IC3ATL082DR156470KR157470KC1221uF,63V,5%R11470C1211uF,63V,5%C1110u/16VR1522KR14100Q12A970R15810KQ13C2240C12470p-18V+18VR1939K,MF,5%R11182,MF,5%R11282,MF,5%R11039k,MF,5%C1410u/35VC1310u/35

28、VQ14C2240Q15A970R11533R11633Q16A1015Q17C1815R11982,MF,5%R12082,MF,5%C1822pC1922pC15220uF/63VC16220uF/63VQ110KSA1220Q111KSC2690R1243.3/0.5W FPR1253.3/0.5W FPR128330/0.5W FPR129330/0.5W FPR12347K,5%,1/4C11047u/25VC11147u/25VR1262K7/2W FPR1272K7/2W FPR13082/1W FSR13182/1W FSR14222,MF,5%R14322,MF,5%R136

29、10R13710Q112KSC2690Q1152SC5200Q1142SA1943Q113KSA1220R1440.068/3W CER1450.068/3W CER139470R149150/1/4W 1% MFC1162200u/6.3VC1170.1u 10% 63VL111uHR1501/1W FPR15110/1W FSC1180.1u 10% 63VC1150.1u 10% 63VC1140.1u 10%Q19D667Q18B647D131N4148D151N4148D141N4148D161N4148R121100K,MF,5%R122100K,MF,5%R21470R12220

30、KR22220KC112470p,100V,20%C113470p,100V,20%R1471KQ11C1815Q12/1A1015R15222KR12/16K8R14815KC12022n 10%D171N4148RCA34CMAIN-IN L-CHR1464K3 1W 1%R15410R15510Q116KSC2690R138390Q47A1015Q45A1015Q46C1815R417100R419100R418100R416100C41510u/25VC41610u/25VR4221.1KR4231.1KR4241.3KR4251.3KR42036KR42136KD41120VD410

31、20V123S41A456S41BONOFFTP4TP3FSFSC720BEE POWER AMP CIR. R63V63V-18V+18V+46V-46V+46V-46VD114.7VD124.7VR10382,MF,5%Q103C2240C103100uF/16VR10139k,MF,5%R10682,MF,5%Q104A970C104100uF/16VR10539k,MF,5%R104220k,MF,5%R102220k,MF,5%Q101C2240Q102A970R10839,MF,5%R10739,MF,5%Q48C1815C170.1uF/63VC12/147uF/25VR4533

32、/0.5W FSR41680R43680R47680C43220u/50VC413220u/35VQ412SD669AC4522pR49680R411680R413680D4918VC4747u/25VC4947u/25VR4142K2R4633 / 0.5W FSR42680R44680R48680C44220u/50VC414220u/35VQ43C1815C4622pR410680C4810u/25VC41047u/25VR4122KQ422SB649AQ44A1015C4110.1uFC4120.1u 10% 63VR4282K2R4295K1MFMF-37V+37V+18V-18VQ

33、411A1015R43656KR435100KR489100KR457220KR451330KD4231N4148R448100KC43422n/63VR42722/1W FPQ413D669Q414C1815+37V+12V+18V-46VR4014K7D4031N4148STANDBYQ421C1815R46910KR46822KR467T0=80 degree CD4281N4148+18VR12/222KC422330u/16VC4214u7/50VC4320.22uR44115KR44256KC420100u/16VPROTECTION CIR.0V0V+3.25V+2.16V0V0

34、V+2.0V+46V1234CB494PIN-46V+46V123CB45R453220/2W FPR452220/2W FPR43822KR439T0=90 degree CQ412C1815POSISTOR+18V12345678IC44UPC1237HAD421N4148D431N4148R43747KSTANDBYR4402K2+18VR478100K123IC43ATL082DR4806K2R4824K7R479100KC42810u/25VC42510u/25VR47010KR47110KD4181N4148D4171N4148R47747KR483330KR47347KR4724

35、70KC42610u/25VC42910u/25VR48839KR48739KR486560KR4741K C43010u/25VR4761KC43110u/25VR490100KR491100K45678IC43BTL082D+18V+18V-18V ISC CIRCUITVR1230011223344SPKOUTA55667788SPKOUTB12345678910CB4710PIN-30VI-VAC DET.TRIGVFD AC2VFD AC1VFD AC1VFD AC2665544332211RL12/2665544332211RL12/1C4351nFC4361nFR49310kR4

36、9410kC4430.1uFR OUTL OUTHEADPHONE OUT LHEADPHONE OUT RJK41123CZ45PHONES SOCKETN8C320D03R458100,FP ,5%,2WR459100,FP ,5%,2WC410.1uFC720BEE HEADPHONE BOARDPRE MUTEREMOTE MUTE CONTROLC11922n 10% 63V63VC2110u/16VR2522KR24100Q22A970Q23C2240C22470p,50V,20%R2939k,MF,5%R21182,MF,5%R21282,MF,5%R21039k,MF,5%C2

37、410u/35VC2310u/35VQ24C2240Q25A970R21533R21633R20382,MF,5%Q26A1015Q27C1815R21982,MF,5%R22082,MF,5%C2822pC2922pC25220uF/63VC26220uF/63VQ210KSA1220Q211KSC2690R2243.3/0.5W FPR2253.3/0.5WR228330/0.5W FPR229330/0.5WR22347KC21047u/25VC21147u/25VR2262K7/2WR2272K7/2WR23082/1W FSR23182/1W FSR24222,MF,5%R24322

38、,MF,5%R23610R23710Q212KSC2690Q2152SC5200Q2142SA1943Q213KSA1220R2440.068/3W CER2450.068/3W CER239470R249160 1/4 1% MFC2162200u/6.3VC2170.1u 10% 63VL211uHR2501/1W FPR25110/1W FSC2180.1u 10%C2150.1u 10%C2140.1u 10%TP1Q29D667Q28B647D231N4148D251N4148D241N4148D261N4148R221100K,MF,5%R222100K,MF,5%C212470p

39、,100V,20%C213470p,100V,20%R2471KR24815KR25222KQ21C1815C22022n 10%D271N4148R2464K3/1W 1% MFR25410R25510Q216KSC2690R238390FPTP2FPFPFPFSFS63V63V63VMFQ203C2240C203100uF/16VR20139K,MF,5%R20682,MF,5%R20539k,MF,5%C204100uF/16VQ204A970+18V-18V+46V-46VR202220k,MF,5%R204220k,MF,5%D214.7VD224.7VQ201C2240Q202A9

40、70R20739,MF,5%R20839,MF,5%C270.1uF/63V65748IC4BTL082DR256470KR257470KC2221uF,63V,5%C2211uF,63V,5%R2582.2k-18V+18VVR22300POWER AMP CIR. RSPK BSPK APROTECTIONC720BEE POWER AMPLIFIER SECTIONC720BEE PARTS LISTVersion： VM3.3Date： 2005-2-24P/NDescriptionpart TypeDesignatorFootprintQtyManufacturer model no

41、.31-01220-00TransistorKSA1220Q110, Q113, Q210, Q213, Q42TO-1265KSA1220A-Y31-02690-00TransistorKSC2690Q111, Q112, Q211, Q212, Q116, Q216, Q41, Q413TO-1268KSC2690A-Y07-20220-10METAL FILM22 5% 1/4wR142, R143, R242, R243Pitch=10mm4RJ14-1/4W-22 5% 07-20390-10METAL FILM39 5% 1/4wR107, R108, R207, R208Pitc

42、h=10mm4RJ14-1/4W-39 5% 07-50100-10FUSIBLE10/1/4W 5% R136, R137, R236, R237Pitch=10mm4RF10-1/4W-10 5%07-50100-01FUSIBLE10/1W 5% R151, R251Pitch=15mm2RF10-1W-10 5%07-50330-00FUSIBLE33/0.5W 5% R45, R46Pitch=10mm2RF10-1/2W-33 5%07-50820-02FUSIBLE82/1W 5% R130, R131, R230, R231Pitch=15mm4RF10-1W-82 5%31-

43、00170-00JFET2SK170-BLQ61, Q62TO-92222SK170-BL31-00108-01JFETPMBFJ108Q31, Q32, Q311, Q312SOT-23433-11500-01ZENER DIODE15V 0.5WD52Pitch=7.5mm1DZ1533-30142-00Rectifier BridgeDB104D501, D54, D563DB10433-60116-00THYRITORTIC116D/BT151-500RD531, D532TO-2202TIC116D/BT151-500R33-13000-02ZENER DIODE30V 0.5WD5

44、3PITCH=10mm103-01117-01RegulatorAMS1117-5.0/LM1117MPX-5.0IC51SOT-2231AMS1117-5.0/LM1117MPX-5.020-12632-00FuseT6.3AL250V-50T-063-HF51, F52, F53, F54461820-12501-00Fuse500mA/250VF55161820-20000-00Fuse HolderHF-00410HF-00433-44148-03SW DIODE1N4148D701, D702, D703, D704, D705, D706, D707, D716Pitch=10mm

45、8IN414833-50525-00DUAL COLOR515AW COM-CathodeLED7011L-519EGF-W03-08955-12MICROCOPUTERAT89C55WD-24PC/24PIIC704DIP4003-16311-01VFD DRIVER Upd16311GC-AB6 IC70352-pin plastic QFP1Upd16311GC-AB6或03-00791-01VFD DRIVER S0791GCIC70352-pin plastic QFP1S0791GC36-01012-00VFD HNA-10SM12IC701single In-line Packa

46、ge 1HNA-10SM1213-12518-00Housing2.54,29PIN LONG 13.7mm CZ703116-72003-13VFD Board47X128mm,1OUNCE FR-4 DOUBLE SIDE BOARD VM5.01FR-414-72017-10ConnectorFPC线排（180mm）17PINCZ36TUNERS=1.25mm11.25-17P-220MM14-72019-00ConnectorFPC线排（710mm）19PINCZ35CZ702S=1.25mm11.25-19P-710MM75-009002-0Sleeve18mm2HS4-T562-B009V1-P004