NAD-M51-dac-sm 维修电路原理图.pdf
NADSERVICE MANUALM 51M 51 Direct Digital DAC Direct Digital DACDRAFT DATE: MAY 2013RadioFans.CN 收音机爱 好者资料库SAFETY INFORMATIONManufactured under license under U.S. Patent #s: 5,451,942; 5,956,674; 5,974,380; 5,978,762; 6,226,616; 6,487,535; 7,003,467; 7,212,872 & other U.S. and worldwide patents issued & pending. DTS is a registered trademark & the DTS logos and Symbol are trademarks of DTS, Inc. 1996-2007 DTS, Inc. All Rights Reserved.MODELM51 Direct Digital DACPOWER RATING 120-240V 50/60Hz 2ANAD ELECTRONICS INTERNATIONAL633 GRANITE COURT, PICKERING, ON, CANADA L1W 3K1DESIGNED & ENGINEERED IN CANADA, CUSTOM MANUFACTURED TO NAD SPECIFICATIONS IN CHINA RadioFans.CN 收音机爱 好者资料库OVERALL SPECIFICATIONSRated distortion (THD+N with AES 17 filter)0.0005% (ref. 1 kHz 0 dBFS)0.002% (ref. 1 kHz -60 dBFS)IM distortion0.0001%Signal-to-noise ratio -115 dB (ref. 0 dBFS Volume -1dB)Sample rate32 kHz to 192 kHz (USB and digital S/PDIF)Frequency response0.5 dB (ref. 20 Hz 96 kHz 192 KHz sample rate)Output level2V (ref. input 0dBFS)POWER CONSUMPTIONAC Supply100-240V AC 50/60Hz Standby power0.5WIdle power16WINPUT/OUTPUT TERMINALSINPUTAES/EBUCoaxialOpticalHDMI x 2USB Audio Class 2.0OUTPUTHDMI VIDEO OUT (pass through)Analog Unbalanced47 ohmsAnalog Balanced110 ohmsDIMENSION AND WEIGHTUnit Dimensions (W x H x D)435 x 78 x 296 mm (Gross)*17 1 /8 x 3 1 /8 x 11 1 1 /1 6 inchesNet Weight5.8 kg (12.8 lbs)Shipping Weight9.8 kg (21.6 lbs)* - Gross dimensions include feet, extended buttons and rear panel terminals.Specifications are subject to change without notice. For updated documentation and features, please log onto www.NAD for the latest information about M51.SPECIFICATIONSFRANAISESPAOLITALIANODEUTSCHNEDERLANDSSVENSKADETAILS & WAVEFORMS ON SYSTEM TEST & DEBUGGING MCU Y1003 8MHz HDMI Y1002 28.6363MHz AK4118 Y1001 11.2896MHz LRCK 96K BCKXS1-L02A Y1000 13MHz LRCK 192KHz BCK 12.288MHz DDFA X1000 108MHz R1151 844kHz Main BoardFPP BoardPower supply BoardCIG128X3201 BOEVFD ScreenD1G2V3IR20 Pin connector20 Pin connector7 Pin connector7 Pin connectorKey?Key1ANALOG OUTDIGITAL IN & HDMI INHDMI VIDEO OUTRS232IR&TRIGKey2?USB?AC INSCHEMATIC DIAGRAMXM900HOLEXM901HOLEXM902HOLEXM903HOLEC9392.2nF/1kVC944100n231IC900TLV4312134D9128A600VD914FR106D915BAV21C938120uF/400VC94022uF/50VC94247uF/25VOP900PC817C93710nF/1KVR9344.7MR94712.7kR9466.8RR93275R/0.5WR93510MR9373.3MGNDPGNDP13VDR940911RR94138.3K 1%R9459k1 1%C941100nR94310kDGNDC9001nR90010RC9161000uF/16VC936270uF/16VL90010uHR944191KC943100nM901MARK2M900MARK1C3V1X2S5F4D7IC903TOP26XE31411826109T900ETD34AL90710mHZV900471KD14123J900CON3L90810mHCX900100nF/250VACTH9005D-11D9161N4148D91724VR9393.3MGNDPR9361MEGR9381MEGR9421MEGR9332R2D913200VBSTBYDGND1234567J902CON7*1DGND13VDC9171000uF/16V132D906MUR1620HS900HSHS901HSCY902470PF/Y1CY903470PF/Y1R9601MEGC95722nDGNDR959 10RFUSE900T1.25A 250V5ET-013H CY904470PF/Y1R9012K4R90222KCX903330nF/250VACS012S004F001F003F008F004F005F004F005F002S001S003S009S002S004C002S010S005C001C003R001T001S011T002R002R003S007C004F009F010S005S014S006S006S003S005T002S011F006F006S008S008F007S013EXPLODED VIEWREF.NO PART NO.DESCRIPTIONQty.REF.NO PART NO.DESCRIPTIONQty.C00167-211001-1Chassis1C002J83-043001-0Foot Assembly4T00167-211002-0Top Cover1C00301-65101-01Main Board1T00276-046001-0Screw Washer4C00401-65109-01SMPS Board1F00170-211001-1B Fascia1S00161-022204-6Self Taping Screw BTB2.6 44F00267-211003-1Subfascia1S00261-023206-0Self Taping Screw BTB3 64F00376-211001-0B VFD Lens1S00361-063106-0Self Taping Screw STF3 64F00470-048013-0Power Button2S00461-023506-1Machine Screw MB3X6-Ni5F005 92-151001-0Spring for Button 2S005 61-023106-0 Self Taping Screw STB3 6 9F00667-211005-0VFD Lens Clamp2S00661-373506-0Machine Screw MB3X67F00776-008001-0LED lens1S00761-023506-0Machine Screw MB3X63F00801-65105-00FPP Board1S00861-023208-0Self Taping Screw BTB3 89F00901-65102-00Connector(1) Board1S00961-224508-1Machine Screw MH4x88F01001-65103-00Connector(2) Board1S01061-024108-0Self Taping Screw STB4 84S01161-246508-1Machine Screw MB6X84R00167-211004-0C Rear Panel1S01262-010402-0Nut M41R002A17-07103-12 AC Inlet1S01363-020411-0Spring Washe 41R003A11-01101-03 Rocker Switch1S01463-010408-0Plain Washer 41EXPLODED VIEW PARTS LISTREF.N0Part No.DescriptionQty.188-211002-0AShipping Box1288-211001-0AGift Box1389-211001-0EPE Bottom1400-65100-00M51 Unit1590-211001-0Non-woven Cloth Bag1690-001001-0Poly-bag1789-211002-0EPE Top1888-043003-0M15Accessories Box1930-46512-00Quick Start Guide11030-16510-00Remote Control11130-22100-10Batteries21288-043004-0M15 Box Sheet113A15-16250-07AC Cord(C)1A15-13125-00AC Cord(AH)11430-96510-01Instruction Disc11588-211003-0BCD-ROM Sleeve1579128432131610111415