NAD D3020 Service Manual

Also see for D 3020: Catalog Quick setup guide Owner's manual Quick setup guide Owner's manual

Contents

NAD D3020 Service Manual Manual pdf 12 page image

C379100nR36933RC3784U7R3644R7RX13V3DAR36275RAGNDRX0INPUT1 C357100n X7RVCC 1GND 2DATA 3J112GP1FRXC3621nFAGND1 35462T300SPDIF 1:1AGNDCX_SDIN1 1CX_SCLK 2CX_LRCK 3VD 4DGND 5VLC 6SCL/CCLK 7SDA/CDOUT 8AD1/CDIN 9AD0/CS 10INT 11RST 12AINR- 13AINR+ 14AINL+ 15AINL- 16VQ 17FILT+ 18REFGND 19AOUTB4- 20AOUTB4+ 21AOUTA4+ 22AOUTA4- 23VA 24AGND 25AOUTB3- 26AOUTB3+ 27AOUTA3+ 28AOUTA3- 29AOUTB2- 30AOUTB2+ 31AOUTA2+ 32AOUTA2-33 AOUTB1-34 AOUTB1+35 AOUTA1+36 AOUTA1-37 MUTEC38 LPFLT39 AGND40 VARX41 RXP7/GPO742 RXP6/GPO643 RXP5/GPO544 RXP4/GPO445 RXP3/GPO346 RXP2/GPO247 RXP1/GPO148RXP049 TXP50 VD51 DGND52 VLS53 SAI_SDOUT54 RMCK55 CX_SDOUT56 ADCIN257 ADCIN158 OMCK59 SAI_LRCK60 SAI_SCLK61 CX_SDIN462 CX_SDIN363 CX_SDIN264*U3035VAC305220U/6V3 HCNC3142.2U X5R3V3D L3027427926623V3DAC36622U 6V3 X5RC30910NC310100NC311100NC30010NC30110NC30210NAGND5VDAAGND5VDAAGND3V3DAAGND AGND3V3DA 3V3DAAGNDAGND3V3DAC303100N5VDAC30410NC312100NC313100N5VA5VDA 5VAAGND AGNDAGND AGNDAGNDR322750 R325750 R326750 R328750R333750 R335750 R337750 R339750 R340750 R341750 R346750R354750 R355750 R356750 R357750 R360750DAR_NDAR_PDAL_PDAL_N5VD L301742792662C37210U 10V X5RAGND5VDAC37610U 10V X5RAGND5VDA5VDA3V3DA3V3DA231U300ANE5532657U300BNE5532R3181K74C32533PC31810NR300499RR3011K74R317499RR3092K21R3132K21R312499RR303499RAGNDC3291N NPOC32710NC3151N NPOC3081NC3341N231U307ANE5532657U307BNE5532R3591K74C34933PC34310NR329499RR3301K74R358499RR3472K21R3532K21R352499RR338499RAGNDC3551N NPOC35010NC3411N NPOC3391NC3581NR307549R345549C3211nF NPOC3451nF NPOC30647U/16VC33647U/16VUES1C330MEMUES1C330MEMAGNDAGNDAGNDDAL_NDAL_PDAL_NDAR_NDAR_PC316330NC342330NDALODAROC35610NC37110NAGNDR30210KR30510KC307100NC319100NC324Comment: 100U/6V3C333100U/6V3C332100NC3311NC3221NC323100NAGND AGNDAGNDAGNDR33210KR33110KC340100NC335100NAGND5VAR3701k37C37422NC3751N NPOFor layout refer CS42528 datasheet p80C36810N5VDAL303742792662C370100U/6V3C367100NAGNDRX2C353100NAGNDC359100NC360100NC361100NC354100NAGNDC338100NC330100NC320100NS 6I11I03VCC 5Q 4GND2U309NC7SV157L300BMB2A0600RS23V3DAC34622U/6.3VC34410NAGND AGNDAGNDC3474U7AGNDUSB_MCLKOUSB_MCLKOS 6I11I03VCC 5Q 4GND2U306NC7SV157S 6I11I03VCC 5Q 4GND2U304NC7SV157S 6I11I03VCC 5Q 4GND2U301NC7SV157R35047RAGNDAGNDAGNDAGNDAGNDUSB_BCKUSB_DOUSB_FSUSB_DOUSB_BCKUSB_FSR31147RR31647RR33447RC326100NAGND34 100RR310B56 100RR310C 78 100RR310D12 100RR310ABT_DOBT_BCKBT_FSDARODALO84U311CLME49860MA231U311ALME49860MA657U311BLME49860MAR3943K32R3982K21R4103K32R4042K21C404150NC429150NR3993K32R4033K32C405150NC428150NQ313MMBF4391LT1G+12VR391100KR40010MEGR40810MEGQ312MMBF4391LT1GR3881KR40268KR40168KAGNDVCL+VCL-C4171uFC4201uFR39533RR41133RAGND-12VIN2+D313BAT54SR42847KC460100U/25V C461470U/25V+12VAGNDQ316DTA114Q3032SC3326Q3042SC3326+12VAGNDR371100k-12VAGND AGNDD3031SS352D3021SS352R3674K7R3664K7R4271KAGND12345J113TO HPAGND657U310BNE5532231U310ANE553284U310CNE5532R3803K32R3823K32-12V+12VC464100NC465100N R38556kR37756kR374100RR386100RAGNDAGNDD3041SS352R3784k7 Q3062SC3326R375100R D3051SS352R3794k7 Q3072SC3326R3834k7D3061SS352Q3082SC3326R3844k7D3071SS352Q3092SC3326R387100RAGND AGNDC4561NR42910KD3141SS352R389100K -12VAGNDAGNDAMP_ENIN1+Q315DTA114+12VR431100K-12VAGNDHP_MUTER4301KC4591NAGNDD3151SS352HP_DETAUDIO_DETR413 47KR390 47KBASS_ENAGNDDA_RSTDA_INTAGNDDA_CSDA_MISODA_MOSIDA_CLKDA_RSTDA_INTDA_CSDA_MISODA_MOSIDA_CLKBASS_ENSTBYHP_DETIIS_SELR3490RAGNDQ318DTA1145VDC457470U/10VD3161SS352AGNDD312BAT54SC458100U/10VAGNDHP_DETIIS_SELR324100RSAIFSSAIFSBT_FSBT_BCKBT_DOAMP_ENHP_MUTER4381MEGR4341MEGR432634R R433634RAGNDR445 47RSP_SELR32347KR31947KSP_SELSP_DATAC337100N AGNDR33647RC463100NR44247RS 6I11I03VCC 5Q 4GND2U302NC7SV157S 6I11I03VCC 5Q 4GND2U305NC7SV157S 6I11I03VCC 5Q 4GND2U319NC7SV157R44447RR443 47R84U300CNE5532-12V+12VC387100NC391100NAGNDQ317DTC114EKAQ319DTC114EKAQ314DTC114EKAQ311DTC114EKAQ310DTA114Q302DTA114Q305DTC114EKA2 2G1 M3J110COAXIAL INPUT84U307CNE5532-12V+12VC471100NC470100NAGNDC412100U/25VR39210R +12VC414100nZAGNDC413100nZ5VAVol LVol R123J109To PSU boardAGND5VSnAMPONPSUFAGNDR396200Q320DTA1143V3S/oe1 a2 gnd3 y 4vcc 5U320SN74AHC1G125DCKC473100NAGNDR44747RR44847RG 1OUT 2IN 3O4U313AMS1117-5.05VAINA11INA22INA33INA44GND5DCCAP_1A6GND7OUT1A8VDDO9DATA10CLOCK11LATCH12GND13TR1A14BA1A15BA2A16 BA2B 17BA1B 18TR1B 19GND 20VEE 21VCC 22ADR0 23ADR1 24OUT1B 25GND 26DCCAP_1B 27GND 28INB4 29INB3 30INB2 31INB1 32U314NJW1194AGNDAGNDDARODALOPHI_LPHI_RRCA_LRCA_RC4474.7U/16V UKWC453 3.3NC446 100NR4204K7AGND C4024.7U/16V UKWC3943.3NC400 100NR3814K7AGND+7VA-7VAC386100U/10VC393100U/10VC390100NC395100NAGND+7VA-7VAC440 10U/16V-7VAVol LVol RVA_CSVA_CLKVA_DATADARODALOPHI_LPHI_RRCA_LRCA_RR452 47KR451 47KR454 47KR453 47K C474 100NC475 100NC476 100NC477 100NC478 100NC479 100NR45522KR45622KSUB OUTaAGNDOPTO_DETANA_DETRX2IN2+IN1+-12V +12V3V3DVCL-VCL+DCERR- nAMPONPHI_LPHI_RRCA_RRCA_L+7VA-7VAAGND SUB OUTa1 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 2425 2627 2829 3031 32J105To o/p board J3055VAC52547UFAGNDUM01ATL082DAGNDRM03220KCM041uFUM01BTL082DRM071KRM06470KAGNDAGND+12V-12VDM04Comment: BAS316CM03270pFDM02BAS316DM05BAS316DM03 BAS316DM01BAS316RM04330KRM0510KRM090RM080NAD Audio sense Vp1.0QM012SC1815AGNDAGNDCM060.1uFCM070.1uFCM0522uF/16VCM0847uFC482100nF.63VC484220nF,63V231U321ATL082657U321BTL082 AGNDAGND84U321CTL082-12V+12VC483100NC481100NAGNDR46011KR45911KR45822KR463100SUB OUTSUB OUTD3191SS352C486220PC489100pFC488100pFAGND AGNDC4871nFAGND12345CON301FROM MAIN5142367891011J302CKX-3.5-02AFC396NCC392NCAGNDHeadphone boardSUB OUTaC49647U/16VC49047U/16VC49147U/16VC492330NC493330N5VSAGNDVCL+VCL-+12V-12V3V3S3V3D5VA5VD5VSAGNDVCL+VCL-+12V-12V3V3S3V3D5VA5VD5VSIN1+IN2++7VA-7VAPSUFDCERR-IN1+IN2++7VA-7VAPSUFDCERR-1.PREAMP VM2.1(1/3)PRE_DAC_Vm1.1CIRCUIT DIAGRAMS12