NAD-C446-tun-sm 维修电路原理图.pdf

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1、NADLAUNAM ECIVRES C 446 C 446 Digital Media Tuner Digital Media TunerDRAFT DATE: November 2011RadioFans.CN 收音机爱 好者资料库SAFETY INFORMATION C 446 Digital Media Tuner100-240V 50/60Hz 25WCUSTOM MANUFACTURED TO NAD SPECIFICATIONSIN THE PEOPLES REPUBLIC OF CHINAPage 2RadioFans.CN 收音机爱 好者资料库CONTENTSPAGEDESCR

2、IPTIONSAFETY INFORMATION . 2 SPECIFICATIONS . 4REAR PANEL / FRONT PANEL VIEW . 5DISASSEMBLY INSTRUCTIONS . 6WIRING DIAGRAM . 7BLOCK DIAGRAM . 9SPECIAL FUNCTION KEYS .10PCB LAYOUT . 11SCHEMATIC DIAGRAM . 17ELECTRICAL PARTS LIST . 21EXPLODED VIEW . 30EXPLODED VIEW PARTS LIST . 31PACKING DIAGRAM . 32PA

3、CKING PARTS LIST . 33 Page 3 FM SECTIONUsable Sensitivity (98 MHz)10 dB Signal/Noise Ratio65 dB (60 dB IHF-WTD Mono)60 dB (60 dB IHF-WTD Stereo)Frequency Response1.5 dB (20 Hz - 15 kHz, 60 dB)Channel Separation (60 dB) - 30 Hz33 dB1 kHz 40 dB10 kHz32 dBCapture Ratio (40 dB)3 dB AM Suppression50 dB (

4、60 dB, 100% Mod. FM, 30% Mod. AM)Image Rejection (119.4 MHz)70 dBI.F. Rejection (10.7 MHz)70 dBPilot Suppression (60 dB)60 dBTotal Harmonic Distortion* - Mono0.4%Stereo0.8%Auto Search Sensitivity24 dBRDS Decode Sensitivity26 dBAM SECTIONUsable Sensitivity (999/1000 Hz)55 dBSignal/Noise Ratio (5 mV i

5、n)42 dBTotal Harmonic Distortion (5 mV in)1.5%IF Rejection (450 kHz)40 dBImage Rejection (F+2xIF) 28 dBSelectivity 20 dBLoop Sensitivity (20dB S/N) - 999/1000 Hz66 dB603/600 Hz66 dB1404/1400 Hz66 dBFrequency response (100 - 2.3 kHz, 5 mV) 6 dBDAB SECTIONBAND 3Tuning range175.280 240.000 MHzLarge sig

6、nal handling capacity0 dBmSensitivity-97 dBm40 dBAdjacent channel rejection40 dBPLAYABLE MEDIA FORMATWAVup to 1.536 mbit/sFLACup to 1.5 mbit/sAACup to 320 kbit/sMP3up to 320 kbit/sWMAup to 320 kbit/sINTERFACE Wired10/100 EthernetWireless (Wi-Fi)802.11/b/gGENERAL SPECIFICATIONSStandby power0.5WAnalog

7、 audio output2 Vrms S/PDIF audio output3.3 VUnit Dimension (W x H x D) - Gross435 x 99 x 341 mm Net weight 4.8 kg (10.6 lbs)Shipping weight 6.5 kg (14.3 lbs)* 60 dB, L=R 75 kHz for 120V version; 40 kHz Dev for 230V version)information about C 446.REFERENCE SPECIFICATIONSPage 4REAR PANEL / FRONT PANE

8、L VIEW FRONT PANEL REAR PANEL Internet RadioMagic 89.9Playing NAD C 446Digital Media Tuner C 446SOURCEPLAY/PAUSEINFOSETUPBACKCONTROL/ENTER3456789101211 NAD C 446FMANTENNAGNDAMDABAUDIO OUTDIGITAL OUTLANRS232MP DOCK+12VTRIGGERINPOWER100240V 50/60HzONIR INDATA PORTLRWIFI3456789111012121FM ANTENNA TERMI

9、NALAM ANTENNA TERMINAL 2DAB ANTENNA TERMINAL (230V version model only)3AUDIO OUT4DIGITAL OUT5LOCAL AREA NETWORK (LAN) PORT 6WIRELESS (WIFI) ANTENNA TERMINAL 7 RS 232 8 MP DOCK9+12V TRIGGER IN 10 IR IN 11 POWER 12 AC MAINS INPUT 1 STANDBY BUTTON 2 STANDBY LED 3 SOURCE 4 PLAY/PAUSE5INFO 6 REMOTE SENSO

10、R7 VACUUM FLUORESCENT DISPLAY (VFD)8 USB9 SETUP10 BACK11 CONTROL/ENTERPage 5DISASSEMBLY INSTRUCTIONS1. Remove machine screws M6.0 x 8.0 ( x 7pcs) from the side panels Refer to Figure No.12. Pull both sides of the TOP COVER slightly outwards and tilt approx. 35and then remove in the direction as indi

11、cated. Refer to Figure No.2 Figure No.1Figure No.2Page 6WIRING DIAGRAM12345MainBoardPowerBoardFM/AM TunerFPP BoardEncodePage 7WIRING DIAGRAM PARTS LISTITEMPart NumberDescriptionRemark114-44604 -01CableL=80 mmEncode214-44604 -00CableL=205mmMainBoard U SBFPPBoard USB toFPPBoardto314-44624 -00CableL=17

12、5mmL=50mmMainBoard toFPPBoardMainBoardto414-98017 -10CableFM/AM Tuner514-44610-00CableL=200mmPowerBoardMainBoardt oPage 8Standby PSU (25W)+/-12VA 0.3A5VS 1A (standby mode 0.2W dissipation )POWER SWITCHSignalPowercontrolMain MCURenesas M30281VFDBOE CIG128X32KUANGXIN FM/AM/RDS MODULEkst-mb114ma1-23D1G

13、2V3GP1UV701QSKey and IR front panelFrontier Venice 6.2DAB/INTERNET RADIOETHERNET DRIVERKSZ8851SNL5V6D 1.5AFM ANTENNAAM ANTENNADAB ANTENNAETHERNETDUAL 4VAC 0.5A+60VD 0.1AENCODERDACCS4392-KZZLPFNE5532LPFNE5532IISFM/AM LOFM/AM ROSPISPIRDS DATARS232SPI4VAC 60VD 5V6D+/-12VA+12VAAMS11175VAAMS11175VS 5V6D3

14、V3D3V3S+12VA5V6D3V3D3V3DLOROTRIG INIR INRS232LOGICBufferIR TRIG RS232IPOD controlRS232+/-12VA+/-12VAGNDGNDADCPCM180874LCX244IISIISUSBTransmitterDIT4096OPTICALMultiplexerNC7SZ157SPDIFSPDIFSPDIF4VAC 60VD 5V6D5VAWIFI ANTENNABLOCK DIAGRAMPage 9SPECIAL KEYSFunctionKeysNotes Reset AH Reset CVFD TestSource

15、 left + BACKSource right + SETUPINFO + SETUPPage 10PCB LAYOUT MAIN BOARD - TOP SIDEPage 11MAIN BOARD BOTTOM - SIDE Page 12FPP BOARD - BOTTOM SIDEPage 13FPP BOARD - TOP SIDE Page 14POWER BOARD - TOP SIDE Page 15POWER BOARD - BOTTOM SIDEPage 16SCHEMATIC DIAGRAMRST1VL2SDATA3SCLK4LRCK5MCLK6M37SPI_SCK8SP

16、I_MOSI9SPI_CS10FILT+11CMOUT12BMUTEC13AOUTB-14AOUTB+15AGND16VA17AOUTA+18AOUTA-19AMUTEC20U601CS4392C61110U/10V X5RC612100NC613330U/6.3V HCPC621100U/6.3VC622100U/6.3VC623100nFC624100nF+5VAAGNDAGNDAGNDC6076N8R60547RR61622KAGNDC6266N8R62147RR62922KC6081NC6161NR60747RJR62347RJC609220PC617220PLRchassis3132

17、K603AJRC-27F/012-S465K601BJRC-27F/012-SR6061KR6221KAGNDJ601AJ601BR6534k7R6514k7Q6012SC1815C64810ND6011N4148C651100PAGND+12VAR61818KR61956KC620220pFC61922pFC62522pFR62556KR62418KR61721KR62821K231U615ANE5532R60218KR60356KC604220pFC60122pFC60522pFR61156KR61018KR60121KR61521K231U603ANE5532231U605ANE5532

18、C627220pFC606220pFAGNDAGND-12VA+12VAAGND84U615CNE5532-12VA+12VAC67733U/25VC67033U/25VC67633U/25VC66933U/25VC67533U/25VC66833U/25VG1OUT2IN3O4U616AMS1117-5AGND+12VA+5VAC662100N3V3DC630100NC62822U/6.3VDGND3V3D3V3DMIX_RSTR608330RAGNDC61822U/6V3C6151NAGNDC6141NC61022U/6.3VAGND3V3DTR1GND2OUT3VDD4U60424.57

19、6MAGNDAGNDAGNDR61482RFB601600100MHzA-FLA-FRVref1AGND2Vcc3Vdd4DGND5SCKI6LRCK7BCK8DOUT9MD010MD111FMT12VinL13VinR14U606PCM1808AGNDEC60110uF/16VC6330.1uFEC60210uF/16VC6340.1uFAGNDAGNDC6360.1uF+5VAADC_MCKC631100pFR63356KR63456KC63210UFC63510UFC638100pFAGND84U603CNE5532657U615BNE5532R63220KR64410KR63110KR

20、64120KC62933pfAGNDAGNDAGNDC64333PFFB602600100MHzR6363R31234567891011121314151617P6011.0-9-17PWBRDS_DATARDS_CLKSTEREOPLL_DOPLL_CETUNERDPLL_CLKPLL_DIAGNDFM/AM_RFM/AM_LAGND+12VAAGNDC644100NC646220U/25V_596C645100NCSS1COPY/C2L3CLK14CLK05MCLK6Vio7DGND8FMT09FMT110SCLK11SYNC12SDATA13M/S14RST15DGND16TX-17TX

21、+18Vdd19MDAT20MONO21AUDIO22EMPH23BLSM24BLS25V26U27MODE28U607DIT4096C639100NC637100NDGND3V3DDGNDDGNDDGNDFM_BCKFM_LRCKDGNDDGNDDGNDFM_DATDATA1VCC2GND3OP601GP1FAV30TK0FDGNDC641100N X7RL601FBC64022u/6V3R64210K+3.3VP+3.3VPR643120RR646120RR647120RDIT_MCKR60982RADC_MCKDIT_MCKR63510KR63710KMIX_RST2MIX_RSTETH

22、_RSTC674 47nFR6772K2IRBR67810k232GNDR6761K1234567891110J608D Connector 9Same as SPA22/EN1C1+2V+3C1-4C2+5C2-6V-7RIN8ROUT9/INV10DIN11FCON12DOUT13GND14VCC15/FCOFF16U617MAX3221C681100NC682100NC690100NC691100N232GNDC686100N3V3S232GND232GNDR683330RR685330RR232_RXR232_TXC68510U/10V,R67910RTPSA106M010R0900C

23、68722NR68010RD6041SS352D6051SS352232GNDDGND123J6073PINR684100R232GNDIPOD_TXIPOD_RXDAC_SCKDAC_MOSIA01GND2A13Y4Vcc5S6U608NC7SZ157R64533RR64033RDGNDMM_SPDIFMM_SPDIF3V3DFM/MM SPDIFFM/MM SPDIF3V3D3V3DDAC_CSC642100NDGNDC602100NC60322U/6.3VAGNDC_MUTE84U605CNE5532C673100NC680100NC672100NC679100NC671100NC678

24、100NC68822NR68110RD6061SS352D6071SS352AGNDchassis3MM_MCKMM_BCKMM_LRCKMM_DATAMM_LRCKMM_DATAMM_BCKMM_MCK78K601CJRC-27F/012-S132K601AJRC-27F/012-SR64933RR64833RFM/AM_ROFM/AM_LOFM/AM_ROFM/AM_LOR6544k7R6520RQ6022SC1815C64910ND6021N4148C652100PAGND+12VA465K603BFM/MM SelFM/MM Sel3V3SDGND3V3SC659100NY60118.

25、432 MHzC66720PC66620PDGNDR670100KdgndC660100N3V3S12J604CON2R66710RR6751MEGC65822UF/16VP10257P911P902CNVSS3P87/XCIN4P86/XCOUT5RESET6XOUT7VSS8XIN9VCC10P85/NMI11P84/INT212P83/INT113P82/INT014P8115P8016P7717P7618P7519P7420P7321P7222RXD2/P7123TXD2/P7024TXD1/P6725RXD1/P6626P6527P6428P3329SO3/P3230SI3/P313

26、1CLK332TXD0/P6333RXD0/P6234CLK0/P6135P6036P2737P2638P2539P2440P2341P2242SCL/P2143SDA/P2044P1745P1646P1547P0348P0249P0150P0051P10752P10653P10554P10455P10356P10158AVSS59P10060VREF61AVCC62P9363P9264U611M30281FAHPRESET1GND2RESET3VDD5MR4U614TPS3825DGNDR66247KDGNDCLK1BUSYR67333RCNVssCERESETDGND3V3SR6680R1

27、2J603CON2R67247K3V3SR232_RXR232_TX3V3SDGND1234567891011121314J606HEADER 7X2 2.54 pitchCLK1BUSYCNVssCERESETR232_RXR232_TXR664D120RR663A120RR663C120RR664A120RR664B120RR658A120RR658B120RR658C120RR658D120RM_SCKM_MOSIKEY_STBSCLSDAKEY_MISOIRFIRBA01A12A23Vss4SDA5SCL6WP7Vdd8U61224LC16DGND3V3SC657100NSCLSDAD

28、GNDR663B120RR663D120RR664C120RR650B120RR650C120RR650D120RR650A120RSTBYACDETIPOD_TXDGNDIPOD_RXMM_TXMM_RXLED_BFPCLKaFPMOSIaVFMISOKEYMISOaVFSTBaKEYSTBaIRFa123456789101112131415161718192021222324J602To FPP Board8VDDGNDENCAaENCBaLED_B1G1A121Y118A241Y216A361Y314A481Y412VCC20GND102G19B1112Y19B2132Y27B3152Y

29、35B4172Y43U61074LCX244DGNDC650100nDGNDDGNDR659B120RR659C120RR659D120RR659A120RDGNDFPMOSIFPCLKVSTBKEY_STBR657B120RR657C120RR657D120RR657A120RIRFENCAENCBKEY_MISOENCAENCBVFMISOFPCLKFPMOSIVSTBVFMISOA01GND2A13Y4Vcc5S6U609NC7SZ157DGNDMISOSel3V3SC647100NDGND3V3S3V3S514J605ASCJ351-DS SWC665100nZR67433KJ232G

30、NDtrig iTRIGR671100KJ3V3SbecQ604DTC114232GNDTRIGSTEREOPLL_DOPLL_CETUNERDPLL_CLKPLL_DIR665A120RR665B120RR665C120RR665D120RR66647KR66947K3V3SRDS_DATARDS_CLKMUTEDAC_CSDAC_SCKDAC_MOSIR660A120RR660B120RR660D120RR661B120RR655120RR660C120RR661A120RR661C120RR661D120RC68922NR68210RAGNDDGND-12VA+12VA3V3S8VDDG

31、NDDGND3V3D3V3D3V3D3V3D3V3DR656120RC66433U/25VC661100NC66333U/25VG1OUT2IN3O4U613AMS1117-3.3DGNDC654100NC65633U/25VC653100NC65533U/25V_596+5VS+5VSDGNDQ603DTC114DGNDSTBY2521J605BSCJ351-DS SW232GND78K603CJRC-27F/012-SC683EMI100pC684EMI100pDGNDDGNDR6210KR6110K3V3DR6410Ka11gnd2a23y24vcc5y16U61NC7WZ17C621N

32、C6122U/6.3V3V3S232GNDFB61600100MHzIPOD1_RXIPOD1_TX232GNDMIX_RST2MIX_RST1MM_TXMM_RXETH_RST+5VDDGND+5VDR664.7K232GNDAGNDAGNDC600110uFC600210uFENC_EnterENC_Enter12345678910P60210pin, 2.54mmDGND8VD-12VAR1431KTRIG_DECQ6001DTC114a11gnd2a23y24vcc5y16U6001NC7WZ16C1011100n3V3S232GNDD6031SS3523V3SR1402KR14120

33、KTRIGBVFD_BUSYaVFD_BUSYaTRIGB3V3S232GNDC_MUTEQ10102SA1015Q10112SC1815R135212KR13454K7+12VAD1054BAT54SR134747KC1443100U/25VC144447U/25VAGND+12VAR13484k7Q1007DTC114EKAAGNDQ1008DTC114EKAAGNDR135510K3V3SMUTELED_ALED_AC6140100pFC6141100pFAGNDAGNDC600610UF/16VC600710UF/16VAAKKD119MM3Z4V7T1G MAIN BOARD - 1

34、Page 17MAINBOARD - 2C415470U/25VC4161U/16VDGNDR40614KR40910KDGND1V23V3DSPI1_MOSISPI1_CSn2AGNDAGNDMIX_RST1DGNDDGNDR41233R1V2SPI1_MISOSPI1_SCKDGNDR40233RR40133RMM_TXMM_RX1V213V32Ground3Ground4SCP2_DATA5SCP2_CLK6GPIOE117GPIOE108S1_DOUT9S1_DIN10USBDM11USBDP12Ground(USB)13USB VBUS14USB_VBUS_FAULT15USB_VB

35、US_DRIVE16GPIOB1117GPIOG318GPIOB1219GPIOG520GPIOB1321GPIOG722GPIOB1423GPIOG1024GPIOB825SPI1_CSn2_SD card26SPI1_MISO27SPI1_MOSI28SPI1_SCLK29Ground(SPI)30SYS_nRST31SPDIFOUT32SD_PROTEVT33SD_DETECT34LCD_M_HSYNC35LCD_F_VSYNC36LCD_LRS_EN37LCD_PE_CLK38Ground(LCD)39LCD_DAT040LCD_DAT141LCD_DAT242LCD_DAT343LC

36、D_DAT444LCD_DAT545LCD_DAT646LCD_DAT747Ground(I2S)48AUD_MCLK49AUD_SFR50AUD_SCLK51AUD_SDOUT052GPIOD453GPIOG1554GPIOH455GPIOH356GPIOG1357GPIOG1158GPIOG859GPIOG1460AUDIO_Ground61GROUND62AUD_R63AUD_L64JP401Ethernet_nINTDGNDDGND1V2_INPUTC404100nF+C406220uFC40510uFC40347pFC40210pFC40110pF3V3_INPUTC410100nF

37、+C412220uFC41110uFC40947pFC40810pFC40710pF3V3_INPUTFB402600100MHz3V3_INPUTFB401600100MHzLED01PME2INTRN3DGND4VDD_CO1.85EED_IO6EESK7AGND8VDD_A1.89EECS10RXP11RXM12AGND13TXP14TXM15VDD_A3.316ISET17AGND18RSTN19X120X221DGND22VDD_D1.823DGND24VDD_IO25CSN26SO27SCLK28DGND29VDD_IO30SI31LED132Themal Pad33U407KSZ

38、8851SNLDGNDC444100nFC44310pF3V3DETH_RST1V81V8_AVDD_IO3V3_AR4150DGNDR42149R9R42649R9DGNDTD+2TD-3CT1CT6RD+4RD-5GND11GND12SHIELDJ2 TX-J1 TX+J6 RX-J3 RX+J4J5J7J898710GrYeLtRtGND13GND14OrJ402JP011821UNLC457100nFR43349R9R43549R9DGNDC461100nFDGNDDGNDR437470R4343.01KACTDGNDC46622pFC46522pFDGNDDGND12X401GSX4

39、9-425MHz3V3DR416OPENFB404600100MHzC435100nFC43410nFFB406600100MHzC440100nF3V3DDGND3V3_A3V3DDGNDC43910nFVDD_IOTP403VDD_IO401FB403600100MHzDGNDC432100nFC43110nFTP402DGNDC428C430TP4011V81V8_AR41933R42033R42233R42433SPI1_SCKSPI1_MOSISPI1_CSn2R42833R43133R427OPENR417OPEN3V3DR438470C446Ethernet12R43610K3V

40、3DDGNDC42910uFC43310uFC44110uFC43610uFLINK3V3DC46210uFC44210uFD402BAT54FB407600100MHz3V3DC452100nFC45310uFFB408600100MHz3V3DDGNDC463100nFC46410uFEthernet_nINTSPI1_MISOEthernet_MISOSPI1_CSn2C437100nFC43810uFDGND3V3DFB405600100MHz/oe1a2gnd3y4vcc5U40674LVC1G125GVDGND3V3DDGNDC4564.7uFC4554.7uFD401SS36BR

41、423NPR430NPC45410nFC46010nFR429OPTC445100nFL4016.8uHC44647uFC45147uFR41810.2KR4253.24KR43229.4KC4581nFC45947pFC449100uFC447100nFDGNDDGNDDGNDDGND8VDC450100uFC448100nF3V3DBOOT1VIN2EN3SS4VSNS5COMP6GND7PH8U408TPS54331L4026.8uHEthernet_nINTETH_RSTMIX_RST1R41133RR41333RR41433RMM_MCKMM_BCKMM_LRCKMM_DATAR40

42、733RMM_SPDIFGND2S46S34S23S11VCC5U401RCLAMP0504FC414100nFUSB_DPUSB_DMDGNDVUSBDGND+5VDC417100nFDGNDUSB_DMUSB_DPDGNDVUSBVBUS1USB_DN2USB_DP3GND4SHIELD5SHIELD6J401USB A TypeIN1IN2FAULT8GND4OUT7OUT6ON3SET5U403AAT4601R4102KC42147uFC418100nFR408OPENVUSBR40533RDGNDDGND+5VDR40333RUSB_VBUS_FAULTUSB_DPUSB_DMMM_

43、SPDIFMM_LRCKMM_DATAMM_BCKMM_MCKC4254.7uFC4244.7uFC42310nFDGND8VD+5VDC427100uFC426100nFC41322U/25VVOUT1VOUT2ADJ3GND4EN5NC6VIN7VIN8U402ADP125ARHZ-R7R404100KC420470pFC419100nF3V3_INPUTVin1GND2Vout3U405LM7805HeatsinkHS401For U405DGNDDGNDMM_TXMM_RXRESET1RESET3GND2MR4VDD5U404TPS3825-33DGNDC424122nfC424222

44、nfC424322nfC424422nfC424622nfC424722nfC424822nfR424110RR424210RR424310RR424410RR424610RR424710RR424810RAGNDDGNDDGND232GNDC424522nfC424922nfDGNDDGND EMI CAPC100022nfC100122nfC100222nfC100322nfR10000RR10010RR10020RR10030RAGNDDGNDR6580A0RR6580B0RR6581A0RR6581B0RR4002NCR4001NCR4005NCR4004NCR4003NCR4006N

45、CC4017NCC4018NCC4020NCC4019NCDGNDDGNDDGNDDGNDFrontier Venice 6.2DAB/INTERNET RADIOPage 18FPP BOARD 5VF3V3FC20222u/6v3C203100NDGNDC209100N1G1A121Y118A241Y216A361Y314A481Y412VCC20GND102G19B1112Y19B2132Y27B3152Y35B4172Y43U20674HCT244DGND5VFC205100nDGNDDGNDF-1F-2BK14LAT15CLK16SI17VH9VH10GND11GND12CIG128

46、X32F-3NC8VDD13BKG14LATG15CLKG16SIG17SOG18NC19SI220CLK221LAT222BK223F+26F+27F+28U203CIG128X3201VFD BK1VFD LAT1VFD CLK1VFD SI1VFD BK2VFD LAT2VFD CLK2VFD SI2VFD BKGVFD CLKGVFD SIG8VDR24810KR25010KVFPEN becQ204DTC114EKADGNDGDSM201APM2301C230220U/16VC22822U/10VDGNDDGND8VFVF-VF+60VFR227100RC210100NDGNDC22

47、1100NDGNDMCLR/VPP/RE31RA0/AN0/C12IN0-2RA1/AN1/C12IN1-3RA24RA35RA46RA5/HLVDIN7VSS8OSC1/CLKIN/RA79OSC2/CLKOUT/RA610RC011RC112RC213RC3/SCK/SCL14RC4/SDI/SDA15RC5/SDO16RC6/TX/CK17RC7/RX/DT18VSS19VDD20RB0/INT0/FLT0/AN1221RB1/INT122RB2/INT223RB3/AN924RB4/KBI025RB5/KBI1/PGM26RB6/KBI2/PGC27RB7/KBI3/PGD28U205

48、PIC18F26K20DGNDC204100NR20322k3V3FDGNDPGCLKPGDATA12345CON201ICSPMCLRVFD BK1VFD BKGVFD CLKGVFD SIGVFD LAT1VFD CLK1VFD SI1R20410kR205220kDGND60VFC206100ND2013V63V3FDGNDR207B120RR207C120RR207D120RR207A120RR209B120RR209C120RR209D120RR209A120RVFD BK2VFD LAT2VFD CLK2VFD SI2R214B120RR214C120RR214D120RR214A

49、120RDGNDVSIVCLKVSTB1G1A121Y118A241Y216A361Y314A481Y412VCC20GND102G19B1112Y19B2132Y27B3152Y35B4172Y43U20974LCX244DGNDC207100nDGNDDGNDR219B120RR219C120RR219D120RR219A120RDGNDFPCLKFPMOSIVFMISOKEYMISOaVFSTBaKEYSTBaIRFaVSIVCLKVSTBR23510kR208100R/oe1a2gnd3y4vcc5U208AHC1G125DGNDC208100n X7RDGNDR222100RR228

50、100RR221100R1a13y22a3gnd42y53a61y7vcc8U210NC7NZ343V3FDGND3V3FC22422u/6V3G1OUT2IN3O4U211ASM1117-5DGNDC222100nC223100U/25V5VF8VD123456789101112131415161718192021222324J201Header 248VDQ2012SC1815R236560RC2262.2U/10VC22522u/6V33V3FD2021SS3523V3F1234CON202NCDGNDC229220U/16VDGND3V3FDGNDDGNDDGNDDGNDR201100