NAD-C390DD-int-sm 维修电路原理图.pdf
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1、NADSERVICE MANUALC390DDC390DDDirect Digital Powered DAC/AmplifierDirect Digital Powered DAC/AmplifierDRAFT DATE: MAY 2008RadioFans.CN 收音机爱 好者资料库? ?!?#?$?#? ? ? %?&? ? ? ? ? ?#? ? ? ? ?(? ? ? ? ? ?#? !? ?*?#? ? ? ? ? +? ? ? ? ? ?,#? ? ?-? .? ? /?(? ? ?(?C 390DD Direct Digital Powered ? ? ?Features Re
2、volutionary Direct Digital Technology&? ?0? ? ? ? ? ? ? ?#?(?(?1? ? ?#?#?23*?4?5!6$?(?(? ?*? ?71?#? ?-? ?-? ? ? I mmense Power&? ?42?8?*?-?1?(? ? ? ? ? ? ? ?(? ?1? ? ? ? ?0? ? ? ? ? ? New System Architecture &? ? ? ? ? ? ? ? ? ?#?&? ? ? ? ? ? 97:? ? ? ? ? ? ;? Modular Design Construction (MDC) ?#?*?
3、*?(? ? ? ? ? ? ? ? ? ? ? ? ?#? ? ? !?#? ? ? ? ? ? ? ? ? ?*? ? &? ? ? ?97:34?!? ?97:? ?#? ? ?6?!34? !? +? 6?!? ?#? ? ?,#? ?134?!? ?*?0? Exclusive Room EQ/?*?A?0?A?0?*?A*?0?*?1?*?(?%?*?*?/?7?-? ?%?*?*?+?*?, ?A*?0?*? Advanced I ntegration&? ? ? ? ? ? ?#? ? ? *?-?4;?!? *? ? ? ?#? ? ? *? ? ? ? ? ? ? B? !
4、?#? 1?#? ? .? 7? ? ? ? ? ? ? ? ?C? /73?#? /? ? ? 4D? ? ? ?(? ? ? ?-?42?8RadioFans.CN 收音机爱 好者资料库.? ?.?(? ?.? ?.? ?*?*?#?#? ? ? ?.?E?2?4?443?;?.?www.NAD? ? &?8?;?2?&?55?F&?B?.19&?+?G?B#?1&?B,C 390DD? H2?+?-?,44?+?7?:9,7?/?(6$?4?(6$?%?/?I?2?:?+? ?6$3?&?.7?1?+? ?6$?3?(6$#?&6?, 5?;?L42?8L42?8/?+&6?#?74H?
5、1?(6$?B1?,M?2N?+? ?6$?3?(6$#?2?8?3?,?1?K46?1?5?;?4?1?;?87?*?1?289?+8-6-?,?3?F?P;?2?-?4?-?55?4H?4?5?-?2?4?;?-?42?2?4?PP.?8?H?H(?+4? ?22? ?*?SPECIAL FUNCTIONFunction Keys NotesFactory Reset Source Down +Source UPCheck MCU Version Ent er( press 3second)Check DSP Version Ent er ( press 3second)VFD Test
6、Source Down + RightEnt er int o Boot loader St andby+Swit ch onCheck USB Card Version Ent er( press 3second)Change Input source name Source Down( press 3second)DETAILS & WAVEFORMS ON SYSTEM TEST & DEBUGGING Main Board Y1000 8MHz USB Board XC7000 11.2896MHz LRCK 96K BCKLRCK 192KHz BCK 12.288MHz AMP B
7、oard X1 108MHz Q301?G? 844kHz Type AType BUSB CardHDMI IN 1HDMI CardPHONO In putAnalog CardHDMI IN 2HDMI IN 3HDMI OUTSignalended InputBalan ce InputMain BoardFPP BoardPower supply Board AAmplifier BoardInt erface BoardSPDIF BoardCOAX 1COAX 2OPTO1AES/EBUOPTO2OPTO OUTCOAX OUTDAC OUTTRIG INIR INRS232TR
8、IG OUTCIG128X3201 BOEUSB Type AVFD ScreenD1G2V3IREncodePower supply Board B46 Pin connect or46 Pin connect or46 Pin connect or15 Pin conn ect or28 Pin connect or15 Pin connect or28 Pin connect or24 Pin connect or24 Pin connect or34 Pin conn ect or34 Pin conn ect or12 Pin conn ect or12 Pin conn ect o
9、r6 Pin connect or6 Pin connect or4 Pin con nect or4 Pin con nect orKeyAmplifier Output?5 Pin con nect or?4Pin connect or4Pin conn ect or?wiring diagram ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
10、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?DIGITALSELECTORINPUTDIGITALINTERFACETRANSMITTERDIGITALINTERFACERECEIVERBYPASSDIT SOURCE SELECTORPORT AIIS INPUTIIS OUTPUTPO
11、RT AIIS INPUTIIS OUTPUTDIX 4192DIT/DIRADV7623HDMI TransceiverHDMI IN 1HDMI IN 2HDMI IN 3HDMI OUTOPTOCOAXCOAX 1COAX 2OPTO1AES/EBUSPDIF INPUTSPDIF OUTPUTMCUCIG128X3201 BOESPIIIS swit cherIIS 0,1PRE BufferGain0,3,6,9dBNE5532ADC PCM4202Opt ional Analog cardINPUT FORMATVOLUMETREBLE,BASS,EQSAMPLE RATECONV
12、ERTERZTA FILTER4th ORDERNOISE SHAPERPWMOUTPUTPWMOUTPUTREFMCLK 108MFS2450FSSAMPLER(ADC)NOISESHAPER3rdZETEX FPGADDFAPWM REF OUTPUT CH0 CH1PWM OUTPUT CH0 CH1VCCVEEVEEVCCOUTPUTSTAGE LOUTPUTSTAGE RLFLFLOGIC DRIVERLOGIC DRIVERL CH OPFEED BACKNETWORKFEED BACKNETWORKTRIANGLECOMPARATORTRIANGLECOMPARATORINTEG
13、RATORINTEGRATORCONTROLINTERFACEGNDGNDR CH OPIIS lineIIS3ZETEX DDFAFeedback ProcessorD1G2V3GP1UV701QSKey and IR front panelTRIG INTRIG OUTIR INLOGIC BUFFERControl interfaceSPI/IICSPIGPIOSPIGPIO/INTGPIO/INTRegulator For preampABLETEC APL400 PSU MODULE or HANSONG DESIGN+/-70VDC/DC5V+/-10V3V3D3V3D3V3D3V
14、3DAMS1117-1.81V8D3V3DDC/DCSt andby PSU( PI TOP267EG)12.5V 4A power on mode ( swit ched)5V st andby mode( 0.2W dissipat ion )+/-70V 1 .38A cont inuous 4.13 A peak5VS5VS5VSPOWER SWITCHLN6.3AT/250VGPIOMAIN LMAIN N12.5VD12.5VD12.5VDDC/DC AND LDO+/-12V 3V3D 5VA12VD on/off and st andby+/-70V on/offSPI bus
15、SignalPowercontrolIIC busPRE BufferNE5532Pre outRS232PIC24FJ256Opt ionalHDMI moduleDC/DCMain MCUVS1053Man dat ory USB cardPIC32MX460F256LType AType BUSB audio decoderEEPROM46 pin board-board socket46 pin board-board socketSLOT3SLOT2OPTION CARDSLDO+/-5VR3V3DC/DCMOS-SWITCHIIS1IIS2IIS0IIS1IIS2INT1INT2S
16、PISPIIICIICIR 0-2SPI busIIC busIR 0-7USB SWITCHUSBType AFront panel usbNAD C390DD BLOCK DIAGRAMVERSION: V1.08Draft ed by: PercyDat a: 2010-5-4TAS1020USB audio DeviceSN74CB3Q3253FPusbFPusbTS3USB221TS3USB221DC/DC4VF12.5VDGPIO 0-7GPIO8-12GPIO 4-7PWM REF OUTPUT CH2- CH7MOS-SWITCHFPusbAMS1117-3.33V3S12.5
17、VD12.5VDAT32UC3 A051 2USB HOSTOPTO2GPIOPlug in senser35VFfor upgradeLDO 5V5VDLDO3V3 1V85VImpedanceDetect LImpedanceDetect RImpedance det ect L&R46 pin board-board socketMOS-SWITCHIIS0INT0IICGPIO 0-3FPusbSN74CB3Q3253SPI12V EN12V EN12V ENPHONE AMPMC/MMPHONE AMP BYPASSSLOT1SELECTORTBDPIC18F26K20( MCU)I
18、IS3PEN 0-2Block DiagramIC03-02985-33RagulatorLP2985-33DBVR U602303-01117-01Linear RegulatorLM1117MPX-5.0/NOPB/ AMS1117-5.0U600003-05532-03Dual OPAMPNE5532DR SOIC8U6004, U6007, U6008, U600903-01804-01A/D ConverterPCM1804DBRU600503-02134-00Dual OPAMPOPA2134UA/2K5E4 SO-8U601003-02611-01Power converterL
19、M2611BMF,SOT23-5U601303-00595-01Shift Regis terSN74HC595D/74HC595D/MM74HC595MU601503-00138-053 TO 8 LINE DECODER74HC138DU6016or 03-00138-02Line DecoderMM74HC138MU601603-00084-02Quad OPAMPTL084BCDU601703-01195-01Audio AttenuatorNJ W1195VU600603-00244-01Octal Buffer74LCX244U601403-00714-01UHS Dual Inv
20、erter with Schmitt Trigger InputsNC7WZ14P6XU6018, U601903-74901-01RegulatorTPS7A4901DGNRU602103-73001-01RegulatorTPS7A3001DGNRU6022Diode33-20004-01Zener DiodeS1GM4 SMAD600033-40054-00Schottk y DiodeBAT54S, SOT23D6001, D6002, D6003, D600433-40352-01Switch Diode1SS352( TPH3,F) ,1SS355TE-17D6005, D6006
21、, D6014, D6015, D6018, D6019, D6020, D6021, D602233-44148-17Switch Diode1N4148W-NRD6007, D601333 30560 01DIODE SCHOTTKYMBR0560 TPD600933-30560-01DIODE SCHOTTKYMBR0560-TPD6009Transistor31-01815-03Trans is torC1815, SOT23Q6026, Q612631-01015-03Trans is torA1015, SOT23Q6025, Q612531-00114-05Digital tra
22、ns is torDTC114EKAQ6017Inductor08-04100-08Power Inductor10uH,MSS7341-103MLL603008-04331-06Ferrite Bead SMD742792037, 330ohm100MHz , 25%, 2A L6000, L6005, L6006, L6016, L602608-04301-04Ferrite Bead SMD742792035, 300ohm100MHz , 25%, 0.3AL6100Capacitor26-10051-00Ceramic Chip Capacitor10pJ ,50V,0603,NPO
23、C612526-33151-00Ceramic Chip Capacitor330pJ ,50V,0603,NPOC610426-47351-00Ceramic Chip Capacitor47nK,50V,0603,X7RC6123, C612426-10421-10Cermatic Chip Capacitor100nK,25V 0603,X7RC6000, C6029, C6030, C6034, C6041,C6102, C6111, C6129, C6130,C618326-33051-01Ceramic Chip Capacitor33PJ ,50V,0805,NPOC6064,
24、C6131, C6122, C605426-10151-01Ceramic Chip Capacitor100pJ ,50V,0805,NPOC6016, C6027, C6039, C6050, C6300, C6301, C6100, C6107, C6108,C610926-18151-01Ceramic Chip Capacitor180pJ ,50V,0805,NPOC6028, C604726-56151-01Multilay er Ceramic CAP560pJ ,50V,0805,NPOC6019, C6037, C6043, C605326-10212-01ceramic
25、capacitor1nJ ,100V,0805,NPOC6192, C6193,26-15251-11Ceramic Chip Capacitor1n5J ,50V,0805,NPOC6024, C604926-10351-01Cermatic Chip Capacito10nK,50V,0805,X7RC6191, C6194, C6195, C619626-10421-01Ceramic Chip Capacitor100nK,25V,0805,X7RC6008, C6025, C6032, C6042, C6199, C6200, C6204, C6205,C6206,C6068, C6
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