NAD-M2-pwr-sm 维修电路原理图.pdf

LAUNAMECIVRESLAUNAMECIVRESM2 C/AH? NAD 2010NAD 2010NAD ELECTRONICS INTERNATIONALTORONTO M2HA/C Direct Digital AmplifierDirect Digital AmplifierM2HA/C Direct Digital AmplifierRadioFans.CN 收音机爱 好者资料库CONTENTSFRONT PANEL/REAR PANEL VIEW? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?3SPECIFICATIONS? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 4TROUBLE SHOOTING? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 5-6SCHEMATIC DIAGRAM? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?7-22PCB LAYOUT? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 23-34ELECTRICAL PARTS LIST? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?35-63EXPLODED VIEW? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 64-65EXPLODED VIEW PARTS LIST? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?66PACKING DIAGRAM? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 67PACKING PARTS LIST? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 68DISMANTLING AMPLFIIER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69-72IMPORTANT FINAL PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72SERVICE SAFETY PRECAUTIONS 1. Replacing the Fuses CAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIREREPLACE ONLY WITH SAME TYPE OF FUSE. REFERENCE NO.PART NUMBERDESCRIPTIONRear Panel AC Inlet A20-12103-00Littelfuse618 T10AL/250VPOWER SUPPLY Board Upper FUSE701A20-12102-00Littelfuse618 T1AL/250VPOWER SUPPLY Board Lower FUSE800A20-12312-02Littelfuse618 T3.15AL/250V2. Safety-check out (North American model only) Before returning the product to the customer, make leakage current orresistance measurements to determine that exposed parts are acceptablyinsulated from the supply circuit. Parts marked with the symbolare critical with regard to the risk of fire andelectric shock.Replace only parts recommended by the manufacturer.RadioFans.CN 收音机爱 好者资料库? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ANALOG INPUT (BALANCED, SINGLE-ENDED) Input impedance 36 k/200 pF Input sensitivity 296 mV (ref.100W) 418 mV (ref. rated power) Maximum input level 5.6 Vrms (at -9dB level trim setting) Frequency response (A/D Converter section) 0.3dB (ref. 10 Hz - FS/2; FS = 48 kHz, 96 kHz, 192 kHz) DIGITAL INPUT (COAXIAL, OPTICAL, AES/EBU) Input impedance 75 (coaxial) 110 (AES/EBU) Sample rate 32 kHz to 192 kHz GENERAL SPECIFICATIONS Continuous output power (ref. 20 Hz 20 kHz, rated THD+N) - 8 200W 4 250W 2 300W Rated distorsion (SMPTE/CCIF IM, T.I.M distortion) 0.01% (ref. 100mW - rated power) Rated distortion (THD+N, with AES17 and AP passive 20kHz LP filters) 250W (ref. 1 kHz, 8, 0.1% THD) IHF Dynamic power - 8 300W 4 450W 2 600W Maximum output current 27A Signal/Noise ratio 95dB (A-weighted, ref. 1W) 118dB (A-weighted, ref. 200W) Damping factor 2000 (ref. 20Hz - 200Hz) Frequency response 0.3dB (ref. 10 Hz - FS/2; FS = 32 kHz, 96 kHz, 192 kHz) Channel separation 90dB (ref. 10 kHz, 4 , 1/3 rated power) Power Consumption Normal operation 500W (ref. 100 - 240V AC 50/60 Hz) Standby power 1W Idle power 100W DIMENSION AND WEIGHT Dimensions (W x H x D) 435 x 133 x 454 mm (Net) 435 x 148 x 502 mm (Gross*) Net weight 20.2 kg Shipping weight 25.8 kg * - Gross dimensions include feet, volume knob and extended speaker terminals. boardCheck PSUA FUSE701YESCheck PSUACheck DSP Board5VDS RIGHT?Check IC700 IC701YESCheck cable from PSUA to DSPNONOAmber LED ON?No Power or Power shuts offimmediately3V3 RIGHT?NONOShort circuit of 3V3?Replace U106Check U110 U301 U302Check IC523Check 108M MCLKCheck U131 U118 U120YESCheck Q104 Q401Check D402YESNAD M2 shown on VFD?SPICS SPIBC SPIDYESNO+/-53VL&R to AMPboard correct after PSUAYES+7.5V -5V on AMP board right?YESNO3V3 3V3C 2V5 1V2TO IC523 RIGHT?YESU351 U130YESNOsignal to IC523 correct?Check IC502 IC503 IC504 IC505Check IC507 IC508 IC509boardCheck PSUB FUSE800Check IC800 U802Check cable from PSUB to AMPNONOboardCheck AMP board IC560 IC561Check DSP board U128 U129Check cable from DSP to AMPK703 Click?Bmodule to AMP boardCheck Fuse on Main PSU moduleChange failed PSU moduleCheck cables from Main PSUQ617 Q618 D607 RL601YESDisplayCheck AMP main BoardStartup error ?YESCheck AMP module boardNONOOutput relay open andBN41VL N41VR RIGHT?NONOShort circuit of N41VL&R?Replace IC506 IC510Check AMP MODULECheck cable from DSP to AnalogBoardD602 D603 Q603 Q604YESCheck AMP feedback signalCheck AMP moduleYESApply signal to analog1YESNORS232 IR IN TRIG functioncorrect?YESCheck DSP board U111 U116NOYESNONOU203 U205 U206Check Analog board U215 U216Check analog boardFinishINT boardCheck INT board U301 U302 Q301Check cables from DSP board todisplay input source nameQ605 Q606 Q607 Q608Q613 Q614 Q615 Q616C610 C611 C641 C642D609 D610 Q611 Q612Output correct?Apply signal to coax1Output correct?Apply signal to analog2Output correct?Check DSP board U126Check analog board RL201 RL202U128 U350YESm odd1m odb2m oda3fst4fsr5sckt6sckr7vccs8gnds9hckt10vcclq11gndq12hckr13sdo014vcchq15sdo116sdo2i317sdo3i218sdo4i119sdo5i020vccs21gnds22ss23m osi24m iso25sck26hreq27pint28reset29nc30vccp31pcap32gndp33extal34vcchq35gndq36vccql37ta38cas39wr40rd41vccc42gndc43aa144aa045a046a147vcca48gnda49a250a351a452a553a654vcca55gnda56a757a858a959a1060vccqh61a1162vcca63gnda64gndq65vcclq66a1267a1368a1469a1570vcca71gnda72a1673a1774d075d176d277d378vccd79gndd80d481d582d683d784nc85nc86vcclq87gndq88vcchq89nc90gpio091vccs92gnds93gpio194gpio295gpio396tdo97tdi98tck99tms100U116DSPB56364FU100dgnd3v3swpR14710kdgnddgnddsprstdspbckdsplrckdspdidspdodspmosidspmisodspsckdsphreqdspssC1512n7 COGC150100n3v3swpdgnddgnddgnddgnddgnddgnddgnddgnddgnddgnddgnddgnddgnddgnd3v3swp3v3swp3v3swp3v3swp3v3swp3v3swp3v3swp3v3swp3v3swp3v3swp3v3swp3v3swp3v3swp3v3swpC144100nC145100nC146100nC147100nC148100n3v3swpdgnddistributeonfour sides of dspchipR127120RdspftbT104dgndtm s1tck2tdi3tdo4/rst5cp1-6cp1+7cp0-8cp0+9agnd10av+11vref12agnd13av+14vrefd15vref016vref217ai018ai119ai220ai321ai422ai523ai624ai725x126x227monen28p1.729p1.630p1.531p1.432p1.333p1.234p1.135p1.036vdd37dgnd38p2.739p2.640p2.541p2.442p2.343p2.244p2.145p2.046p3.747p3.648p3.549p3.450p3.351p3.252p3.153p3.054p0.755p0.656p0.557p0.458p0.359p0.260p0.161p0.062dgnd63vdd64p7.765p7.666p7.567p7.468p7.369p7.270p7.171p7.072p6.773p6.674p6.575p6.476p6.377p6.278p6.179p6.080p5.781p5.682p5.583p5.484p5.385p5.286p5.187p5.088dgnd89vdd90p4.791p4.692p4.593p4.494p4.395p4.296p4.197p4.098dac199dac0100U110C8051F126rx1+1rx1-2rx2+3rx2-4rx3+5rx3-6rx4+7rx4-8vcc9agnd10lock11rxcko12rxcki13nc14nc15dgnd116vdd1817cpm18/ss19sck20mosi21miso22/int23/rst24m clk25gp126gp227gp328gp429dgnd230tx-31tx+32vdd3333aeso34bls35sync36bcka37lrcka38sdina39sdouta40nc41vio42dgnd343bgnd44sdoutb45sdinb46lrckb47bckb48U111DIX4192J100RCAJ101RCAR10075RFR10175RFC100100nX7RC101100nX7RJ102XLR3F12345678T100AES/SPDIF 1:112345678T101AES/SPDIF 1:112345678T102AES/SPDIF 1:1R102110RDATA1VCC2GND3OP103GP1FTXVCC1GND2DATA3OP102GP1FRXVCC1GND2DATA3OP101GP1FRXVCC1GND2DATA3OP100GP1FRXJ103RCAR107205RC106100n X7R12345678T103AES/SPDIF 1:1R10593.1Rinput1input2aes/ebuopt1opt2loopinopt outcoax outrx1+rx1-crx2+crx2-rx4+dgndC105100n X7RC102100nX7Rrx1+rx1-rx2+rx2-C103100nX7RC104100n X7Rsrx1+srx1-srx2+srx2-aeso1aesoctx+tx+dgndspaspbR1030RC116100nC110100nC107100nC119100nC13722U/6.3VC12622u/6V3G1OUT2IN3O4U104ASM1117-1.8dgnd3v3sws3v3swsC108100nC135100nC12522u/6V3dgndm24mcdgndsprstspintspmisospmosispsckspssdgndadbckadlrckaddatdspbckdsplrckdspdodspdidspgp1dspgp1R126120RzdatR112A100RR112B100RR112C100RR112D100RR111100RzlrckzbckC141100nzdatzbckzlrckzspick/cs1so2/wp3gnd4si5sck6/hold7vcc8U120AT25XXXC123100ndgnddgnd3v3esiesckmsieessTxDRxDesckesi12345678910J109HEADER 5X2 2.54 pitchJTAG3v3dgnddgndtcktdotditmsR1524k7JTAG needed fortest and in productiontmstcktditdozspissa11gnd2a23y24vcc5y16U117NC7WZ163v3swsC143100nR148A120RR148B120RR148C120RR148D120RdgnddspsckdspmosispmosispsckdgndzspidatC114100nC115100nC120100nC121100n3v33v33v33v3dgnddgnddgnddgnd3v3m24mbC118100ndgndC13422u/6V3D100ss12dgndpfdetR10910KR110100K1234J107HEADER 2X2TxLRxL3v3dgndRxLTxLR139100kR140100kdgnddgndLOGR11810k3v3R11733kR11668kdgnd3v3C117100nfpencaC14010NR141100RR1427k5dgndfpenca(place at board edge)pfdetfpencbm24madgnddgnddgndadbckadlrckaddatm24mcR120NCR121C82Rdgnddgnd123U118A74LCX125456U118B74LCX1258910U118C74LCX125Y11A12G13GND7VCC14U118DdsprtnenspssTstaTdatspmisodspmisoTdatrcVfd7TstbVstbfponfpstdbyR123C120RR123D120RfpsckfpdatR123B120RR123A120Rfpsckfpdatmsi3v3dgndC124100n3v3R11910k3v3swsspintdspgp2dspgp2bpsu55bpsu12psu55psu12stbydgnddgnd3.3VAOzsafeR1310RR1330RR1320RR1340R1G1A121Y118A241Y216A361Y314A481Y412VCC20GND102G19B1112Y19B2132Y27B3152Y35B4172Y43U10974LCX244dgnddgnddgnd3v3C122100ndgndbfpsckbfpsckbfpdatbfpdatbfpTstbbfpTstbbfpVstbbfpVstbQ103DTC114Q104DTC114R138120RR136120RR137120RR135120RbfpencbbfpencbbfpTdatbfpTdatbfprcbfprcbfpVfd7bfpVfd7rcirinfpencbdsphreqdspftbspaspbVstbTstbdspssspsseessads6ads9adsa1adfs0adfs1adrstzspickzspisszspidenzsafezspidatsoftonVfd7trigintrigoutfpstdbyfponstbypsu12psu15psu55zensprstdsprstzspiretcsrx3+csrx3-rx3+rx3-rx3+rx3-C12922U/6.3VdgndC1332.2U/25V X5RC113100nC128100U/25VVCC12S3v3sw3v3swsdgndC13022u/6V3G1OUT2IN3O4U106ASM1117-3.3dgndC111100nC112100nC131470u/16v3v3R10610R/2WProtectQ105DTC1141234567891011121314151617181920J104TO FPP BOARDLEDBfpLEDOfpLEDRfpdgnddgnddgnddgndProtectdgnd3v3123456789101112J105from power board5VDSirintriginsoftontrigoutTxDRxD112233445566778899101011111212131314141515J110to INT boardVCC12S3v3dgnd3v3dgnd3v3dgndm24mC12722u/6V33v3swsdgnd3.3VAzspiret1234567891011121314151617181920J106To analog boarddmckdadbckdadLRdaddatdadfs0dadfs1dadrstdmckdadbckdadLRdaddatdadfs0dadfs1dadrstdsa1ds6ds9VCC12SSD0BC0WC0SPIBCSPICSIPCSPIDSPIRETSD0BC0WC0SPIBCSPICSIPCSPIRETSPIDbstbyTPG4dgndTPG5dgndTPG8dgndTPG6dgndTPG2dgndTPG3dgndTPGdgndTPG1dgndTP1VCC12SVCC12S3.3VAO3.3VAO3.3VAO3v3dgnddgnd3v3swpC160100nC161100nM1MARKM2MARKM4MARKM3MARKdgndC165100NX7RC166100NX7RC167100NX7RC168100NX7RdgndTstaR15310R/2W3v3dgndR15610k3v3swpdsprtnen3v3R157120RR158120RC17122u/6V3G1OUT2IN3O4U121ASM1117-33dgndC170100nC169100U/25V3.3VAJ205RCA1-BKJ200RCA1-BKJ202XLR3FC2001uR2001MR242100kR222332RR25956K2FC244180pJC2011uR2011MR26056K2FC2041uR2041MR26356K2FC2051uR2051MR26456K2FAGNDAGNDAGNDJ201XLR3FC2021uR2021MR26156K2FC2031uR2031MR26256K2FAGNDAGND+-231U202ALM4562657U202BLM4562R246274RR257549RR247274RR243100kR223332RC245180pJagndR240100kR220332RC242180pJ231U201ALM4562657U201BLM4562R244274RR256549RR245274RR241100kR221332RC243180pJagndLLRR1vcom2854U203AOPA1632C2392n2C2402n2C2502n7R231274RR232137RR25041R2R25141R2R235137RR2191K 1%agnd657U204BOPA227R238499RR230274Ragnd1vinR-2vinR+3vcc14agnd5agnd6agnd7agnd8vcc29vinL-10vinL+11agnd12vcomL13refgndL14vrefL15pcmen16hpfdr17hpfdL18fs019fs120df21dsden22moden23dsdmode24m cko25wcko26dsdclk27dsdR28dsdL29dgnd30vdd31data32bck33LRck34m cki35/rst36ovfL37ovfR38s/m39dgnd40owl141owl042fmt143fmt044dgnd45vrefR46refgndR47vcomR48U206PCM4222agndagndagndAGNDAGNDvinR+vinR-vinL+vinL-vinL-vinL+C257100u/6V3C255100u/6V3C231100nC234100nC230100nC233100nvcomRvcomLagndagndadrstaadfs0aadfs1aC25622U/6V3C232100nC25822U/6V3C2591NAGNDC251100nadmckaadmckaadLRaadbkaaddataadmck2ADJ1OUT2IN3O4U208ASM1117-ADJR265243RFR266536RC24822u/6V3C25410U/25VC260100uF/6.3VagndD214S1GM4vapadLRaadbkaaddataAGNDadmck2R25810kadfs0aadfs1aadrstaC241100nAGNDAGNDR254133RR234274RR239499RR233274RR255133R1vcom2854U205AOPA1632C2372n2C2382n2C2492n7R225274RR226137RR24841R2R24941R2R229137RR2181K 1%231U204AOPA227agndR228274RR2084k7R2134k7R236499RR224274RR252133RR237499RR227274RR253133R36U203BOPA163236U205BOPA163284U202CLM456284U204COPA22784U201CLM4562+15v-15vC222100nC227100nC221100nC220100nC219100nC218100nC223100nC224100nC225100nC226100nagnd132RL201A465RL201B132RL202A465RL202BIPL+IPL-IPR+IPR-IPLIPR132RL206A465RL206B132RL203A465RL203BC2292.2uC2282.2u132RL205A465RL205B132RL204A465RL204BIPL+IPL-IPR+IPR-IPLIPRC252100nC253100nVADCVADCVADCagndagndVADC123456J204FROMPOWER BOARD+18v-18vagnd1234567891011121314151617181920J206from dsp boardadmckadadbckadadLRadaddatadadfs0adadfs1adadrstAGNDadsa1aads6aads9aadadrstadadfs1adadfs0Q2012SC1815C20710N78RL202CD2011N4148C213100PAGNDadsa1a5VRR2094k7R2144k7Q2022SC1815C20810N78RL203CD2021N4148C214100PAGNDads6a5VRR2104k7R2154k7Q2032SC1815C20910N78RL204CD2031N4148C215100PAGNDads6a5VRR2114k7R2164k7Q2042SC1815C21010N78RL205CD2041N4148C216100PAGNDads9a5VRR2064k7R2074k7Q2002SC1815C20610N78RL201CD2001N4148C212100PAGNDadsa1a5VRR2124k7R2174k7Q2052SC1815C21110N78RL206CD2051N4148C217100PAGNDads9a5VRadmckadadbckadadLRadaddatsv33sv33sv33AGNDAGNDagndAGNDsv33AGNDD206BAT54SD207BAT54SD209BAT54SD208BAT54SC26110u/25C274100uF/6.3Vagnd1CLR11D21CLK31PRE41Q51Q6GND72Q82Q92PRE102CLK112D122CLR13VCC14U210SN74LVC74APWC264100nAGNDsv33AGNDAGNDR26982RR27082RR27182RagndagndC27533PAGNDR288100RAGNDD2191SS352D2201SS352AGNDAGNDvdd11gnd12in13in24in35out16nc7gnd18gnd29nc10in411out312out213out114gnd215vdd216U350IL717C35022nC35122nzgndz3v3zgndzgndZSPIDZSPICSZSPIBCz3v3R3600RR3610RC3532.2UR350100RR3620RzgndZIPCsplit in ground plane here1234567891011121314151617181920J108to Zetex boardzgnd3v3swC35622u/6v3C35722u/6v3ZSPIDZSPICSZIPCZSD0ZBC0ZWC0ZSD0ZBC0ZWC0zgndR357100Ra11gnd2a23y24vcc5y16U301NC7WZ17J302SCJ349-SD3v3IC3054n7R3032K2J232 gndirinItriginItriginJ301SCJ351-DS SWC301100nR30510KJR3066k8IRinD3024v7123S301SWSPDTtrigswsoft clipon123S302SWSPDTonD3034v7C311100n3v3IsoftonIdgndiR3042k7Q301KSA1220R30210KJVCC12IR30110RD3001N4148D3011N4148Q302DTC114J305SCJ351-DS SWC300100nR3003R9Jtrig outtrigoutI3v3IC1+2V+3C1-4C2+5C2-6V-7Rin-8Rout9INV10Tin11Fon12Tout13gnd14Vcc15Foff16EN1U302MAX3221C302100nC309470nZC308470nZC310470nZTxDIRxDIC304100n232 gnd3v3I232 gnd232 gnd123C307EMI100p123C306EMI100p232gndTxdaRxda162738495G1G2J303RS232C31222u/6.3vR30810RJ232 gnd232 gnd112233445566778899101011111212131314141515J310from dsp boardVCC12I3v3Idgndidgndi232 gndR30710RJC303100n232 gndVCC12I3v3IC313100u/25vC31422u/6.3vdgndidgndiirinItriginIsoftonItrigoutITxDIRxDI232 gndR275200/1%M FR278200/1%M FR2762k1/1%M FR2772k1/1%M FINU211LM 317MINU212LM 337MC27210U/25VC2734.7U/50VC2664.7UF/50VC26710U/25VD2151N4148D2161N4148C27110uF/25VC27010uF/25VC269330uF/25VC268330uF/25V+18v-18vagnd+15v-15vH1HEATSINKH2HEATSINKR279 100RR281100RR280100RR28282RR283100RR284100RR285100RR160100RR161100RR162100RR163120RR170120RR164A120RJR164D120RJR164C120RJR164B120RJR166100RR167100RR168100RR169120RR3630RR3640RR3650RIOgndC17633PDGNDR174100RD1011SS352D1021SS352IOgndIOgndC180100nX7RC181100nX7RC182100nX7RC177100nX7RC178100nX7RC179100nX7RQ206DTC114Q207DTC114agndD218OverLD217OverRR286820R287820C26533PAGNDR272100RAGNDD2101SS352D2111SS35