NAD-C446-tun-sm 电路图 维修手册.pdf

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1、NAD LAUNAM ECIVRES C 446 C 446 Digital Media Tuner Digital Media Tuner DRAFT DATE: November 2011 RadioFans.CN 收音机爱 好者资料库 SAFETY INFORMATION C 446 Digital Media Tuner 100-240V 50/60Hz 25W CUSTOM MANUFACTURED TO NAD SPECIFICATIONS IN THE PEOPLES REPUBLIC OF CHINA Page 2 RadioFans.CN 收音机爱 好者资料库 CONTENT

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

3、 PACKING DIAGRAM . 32 PACKING PARTS LIST . 33 Page 3 RadioFans.CN 收音机爱 好者资料库 FM SECTION Usable 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 dB 1 kHz 40 dB 10 k

4、Hz32 dB Capture Ratio (40 dB)3 dB AM Suppression50 dB (60 dB, 100% Mod. FM, 30% Mod. AM) Image Rejection (119.4 MHz)70 dB I.F. Rejection (10.7 MHz)70 dB Pilot Suppression (60 dB)60 dB Total Harmonic Distortion* - Mono0.4% Stereo0.8% Auto Search Sensitivity24 dB RDS Decode Sensitivity26 dB AM SECTION

5、 Usable Sensitivity (999/1000 Hz)55 dB Signal/Noise Ratio (5 mV in)42 dB Total Harmonic Distortion (5 mV in)1.5% IF Rejection (450 kHz)40 dB Image Rejection (F+2xIF) 28 dB Selectivity 20 dB Loop Sensitivity (20dB S/N) - 999/1000 Hz66 dB 603/600 Hz66 dB 1404/1400 Hz66 dB Frequency response (100 - 2.3

6、 kHz, 5 mV) 6 dB DAB SECTION BAND 3 Tuning range175.280 240.000 MHz Large signal handling capacity0 dBm Sensitivity-97 dBm 40 dB Adjacent channel rejection40 dB PLAYABLE MEDIA FORMAT WAVup to 1.536 mbit/s FLACup to 1.5 mbit/s AACup to 320 kbit/s MP3up to 320 kbit/s WMAup to 320 kbit/s INTERFACE Wire

7、d10/100 Ethernet Wireless (Wi-Fi)802.11/b/g GENERAL SPECIFICATIONS Standby power0.5W Analog audio output2 Vrms S/PDIF audio output3.3 V Unit 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

8、for 230V version) information about C 446. REFERENCE SPECIFICATIONS Page 4 REAR PANEL / FRONT PANEL VIEW FRONT PANEL REAR PANEL Internet Radio Magic 89.9 Playing NAD C 446 Digital Media Tuner C 446 SOURCEPLAY/PAUSEINFOSETUPBACK CONTROL/ENTER 3456789101211 NAD C 446 FM ANTENNA GNDAM DAB AUDIO OUT DIG

9、ITAL OUT LANRS232 MP DOCK +12V TRIGGER IN POWER 100240V 50/60Hz ON IR IN DATA PORT L R WIFI 345678911101212 1FM ANTENNA TERMINAL AM ANTENNA TERMINAL 2DAB ANTENNA TERMINAL (230V version model only) 3AUDIO OUT 4DIGITAL OUT 5LOCAL AREA NETWORK (LAN) PORT 6WIRELESS (WIFI) ANTENNA TERMINAL 7 RS 232 8 MP

10、DOCK 9+12V TRIGGER IN 10 IR IN 11 POWER 12 AC MAINS INPUT 1 STANDBY BUTTON 2 STANDBY LED 3 SOURCE 4 PLAY/PAUSE 5INFO 6 REMOTE SENSOR 7 VACUUM FLUORESCENT DISPLAY (VFD) 8 USB 9 SETUP 10 BACK 11 CONTROL/ENTER Page 5 DISASSEMBLY INSTRUCTIONS 1. Remove machine screws M6.0 x 8.0 ( x 7pcs) from the side p

11、anels Refer to Figure No.1 2. Pull both sides of the TOP COVER slightly outwards and tilt approx. 35and then remove in the direction as indicated. Refer to Figure No.2 Figure No.1 Figure No.2 Page 6 WIRING DIAGRAM 1 2 3 4 5 MainBoard PowerBoard FM/AM Tuner FPP Board Encode Page 7 WIRING DIAGRAM PART

12、S LIST ITEMPart NumberDescriptionRemark 114-44604 -01CableL=80 mm Encode 214-44604 -00CableL=205mmMainBoard U SBFPPBoard USB to FPPBoardto 314-44624 -00CableL=175mm L=50mm MainBoard toFPPBoard MainBoard to 414-98017 -10Cable FM/AM Tuner 514-44610-00CableL=200mmPowerBoard MainBoardt o Page 8 Standby

13、PSU (25W) +/-12VA 0.3A 5VS 1A (standby mode 0.2W dissipation ) POWER SWITCH Signal Power control Main MCU Renesas M30281 VFD BOE CIG128X32 KUANGXIN FM/AM/RDS MODULE kst-mb114ma1-23 D 1 G 2 V 3 GP1UV701QS Key and IR front panel Frontier Venice 6.2 DAB/INTERNET RADIO ETHERNET DRIVER KSZ8851SNL 5V6D 1.

14、5A FM ANTENNA AM ANTENNA DAB ANTENNA ETHERNET DUAL 4VAC 0.5A +60VD 0.1A ENCODER DAC CS4392-KZZ LPF NE5532 LPF NE5532 IIS FM/AM LO FM/AM RO SPI SPI RDS DATA RS232 SPI 4VAC 60VD 5V6D +/-12VA +12VA AMS1117 5VA AMS1117 5VS 5V6D 3V3D 3V3S +12VA 5V6D 3V3D 3V3D LO RO TRIG IN IR IN RS232 LOGIC Buffer IR TRI

15、G RS232 IPOD control RS232 +/-12VA +/-12VA GND GND ADC PCM1808 74LCX244 IIS IIS USB Transmitter DIT4096 OPTICAL Multiplexer NC7SZ157 SPDIF SPDIF SPDIF 4VAC 60VD 5V6D 5VA WIFI ANTENNA BLOCK DIAGRAM Page 9 SPECIAL KEYS FunctionKeysNotes Reset AH Reset C VFD Test Source left + BACK Source right + SETUP

16、 INFO + SETUP Page 10 PCB LAYOUT MAIN BOARD - TOP SIDE Page 11 MAIN BOARD BOTTOM - SIDE Page 12 FPP BOARD - BOTTOM SIDE Page 13 FPP BOARD - TOP SIDE Page 14 POWER BOARD - TOP SIDE Page 15 POWER BOARD - BOTTOM SIDE Page 16 SCHEMATIC DIAGRAM RST 1 VL 2 SDATA 3 SCLK 4 LRCK 5 MCLK 6 M3 7 SPI_SCK 8 SPI_M

17、OSI 9 SPI_CS 10 FILT+ 11 CMOUT 12 BMUTEC 13 AOUTB- 14 AOUTB+ 15 AGND 16 VA 17 AOUTA+ 18 AOUTA- 19 AMUTEC 20 U601 CS4392 C611 10U/10V X5R C612 100N C613 330U/6.3V HCP C621 100U/6.3V C622 100U/6.3V C623 100nF C624 100nF +5VA AGND AGND AGND C607 6N8 R605 47R R616 22K AGND C626 6N8 R621 47R R629 22K C60

18、8 1N C616 1N R607 47RJ R623 47RJ C609 220P C617 220P L R chassis3 1 3 2 K603A JRC-27F/012-S 4 6 5 K601B JRC-27F/012-S R606 1K R622 1K AGND J601A J601B R653 4k7 R651 4k7 Q601 2SC1815 C648 10N D601 1N4148 C651 100P AGND +12VA R618 18K R619 56K C620 220pF C619 22pF C625 22pF R625 56K R624 18K R617 21K

19、R628 21K 2 3 1 U615A NE5532 R602 18K R603 56K C604 220pF C601 22pF C605 22pF R611 56K R610 18K R601 21K R615 21K 2 3 1 U603A NE5532 2 3 1 U605A NE5532 C627 220pF C606 220pF AGND AGND -12VA +12VA AGND 84 U615C NE5532 -12VA +12VA C677 33U/25V C670 33U/25V C676 33U/25V C669 33U/25V C675 33U/25V C668 33

20、U/25V G 1 OUT 2 IN 3 O 4 U616 AMS1117-5 AGND +12VA+5VA C662 100N 3V3D C630100N C62822U/6.3V DGND3V3D 3V3D MIX_RST R608 330R AGND C618 22U/6V3 C615 1N AGND C614 1N C610 22U/6.3V AGND 3V3D TR 1 GND 2 OUT 3 VDD 4 U604 24.576M AGNDAGNDAGND R614 82R FB601 600100MHz A-FL A-FR Vref 1 AGND 2 Vcc 3 Vdd 4 DGN

21、D 5 SCKI 6 LRCK 7 BCK 8 DOUT 9 MD0 10 MD1 11 FMT 12 VinL 13 VinR 14 U606 PCM1808 AGND EC601 10uF/16V C633 0.1uF EC602 10uF/16V C634 0.1uF AGND AGND C636 0.1uF +5VA ADC_MCK C631 100pF R633 56K R634 56K C632 10UF C635 10UF C638 100pF AGND 84 U603C NE5532 6 5 7 U615B NE5532 R632 20K R644 10K R631 10K R

22、641 20K C629 33pf AGND AGND AGND C643 33PF FB602 600100MHz R636 3R3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 P601 1.0-9-17PWB RDS_DATA RDS_CLK STEREO PLL_DO PLL_CE TUNERD PLL_CLK PLL_DI AGND FM/AM_R FM/AM_L AGND +12VA AGND C644 100N C646 220U/25V _596C645 100N CSS 1 COPY/C 2 L 3 CLK1 4 CLK0 5 MCLK

23、6 Vio 7 DGND 8 FMT0 9 FMT1 10 SCLK 11 SYNC 12 SDATA 13 M/S 14 RST 15 DGND 16 TX- 17 TX+ 18 Vdd 19 MDAT 20 MONO 21 AUDIO 22 EMPH 23 BLSM 24 BLS 25 V 26 U 27 MODE 28 U607 DIT4096 C639 100N C637 100N DGND 3V3D DGND DGND DGND FM_BCK FM_LRCK DGND DGND DGND FM_DAT DATA 1 VCC 2 GND 3 OP601 GP1FAV30TK0F DGN

24、D C641 100N X7R L601 FB C640 22u/6V3 R642 10K +3.3VP +3.3VP R643 120R R646 120R R647 120R DIT_MCK R609 82R ADC_MCK DIT_MCK R635 10K R637 10K MIX_RST2 MIX_RST ETH_RST C674 47nF R677 2K2 IRB R678 10k 232GND R676 1K 1 2 3 4 5 6 7 8 9 11 10 J608 D Connector 9 Same as SPA22 /EN 1 C1+ 2 V+ 3 C1- 4 C2+ 5 C

25、2- 6 V- 7 RIN 8 ROUT 9 /INV 10 DIN 11 FCON 12 DOUT 13 GND 14 VCC 15 /FCOFF 16 U617 MAX3221 C681 100N C682 100N C690 100N C691 100N 232GND C686 100N 3V3S 232GND 232GND R683 330R R685 330R R232_RX R232_TX C685 10U/10V, R679 10R TPSA106M010R0900 C687 22N R680 10R D604 1SS352 D605 1SS352 232GND DGND 1 2

26、 3 J607 3PIN R684 100R 232GND IPOD_TX IPOD_RX DAC_SCK DAC_MOSI A0 1 GND 2 A1 3 Y 4 Vcc 5 S 6 U608 NC7SZ157R645 33R R640 33R DGND MM_SPDIF MM_SPDIF 3V3D FM/MM SPDIF FM/MM SPDIF 3V3D 3V3D DAC_CS C642 100N DGND C602 100N C603 22U/6.3V AGND C_MUTE 84 U605C NE5532 C673 100N C680 100N C672 100N C679 100N

27、C671 100N C678 100N C688 22N R681 10R D606 1SS352 D607 1SS352 AGND chassis3 MM_MCK MM_BCK MM_LRCK MM_DATA MM_LRCK MM_DATA MM_BCK MM_MCK 78 K601C JRC-27F/012-S 1 3 2 K601A JRC-27F/012-S R649 33R R648 33R FM/AM_RO FM/AM_LO FM/AM_RO FM/AM_LO R654 4k7 R652 0R Q602 2SC1815 C649 10N D602 1N4148 C652 100P

28、AGND +12VA 4 6 5 K603B FM/MM Sel FM/MM Sel 3V3S DGND 3V3S C659 100N Y601 18.432 MHz C667 20P C666 20PDGND R670 100K dgnd C660 100N3V3S 1 2 J604 CON2 R667 10R R675 1MEG C658 22UF/16V P102 57 P91 1 P90 2 CNVSS 3 P87/XCIN 4 P86/XCOUT 5 RESET 6 XOUT 7 VSS 8 XIN 9 VCC 10 P85/NMI 11 P84/INT2 12 P83/INT1 1

29、3 P82/INT0 14 P81 15 P80 16 P77 17 P76 18 P75 19 P74 20 P73 21 P72 22 RXD2/P71 23 TXD2/P70 24 TXD1/P67 25 RXD1/P66 26 P65 27 P64 28 P33 29 SO3/P32 30 SI3/P31 31 CLK3 32 TXD0/P63 33 RXD0/P62 34 CLK0/P61 35 P60 36 P27 37 P26 38 P25 39 P24 40 P23 41 P22 42 SCL/P21 43 SDA/P20 44 P17 45 P16 46 P15 47 P03

30、 48 P02 49 P01 50 P00 51 P107 52 P106 53 P105 54 P104 55 P103 56 P101 58 AVSS 59 P100 60 VREF 61 AVCC 62 P93 63 P92 64 U611 M30281FAHP RESET 1 GND 2 RESET 3 VDD 5 MR 4 U614 TPS3825 DGND R662 47KDGND CLK1 BUSY R673 33R CNVss CE RESET DGND 3V3S R668 0R 1 2 J603 CON2 R672 47K 3V3S R232_RX R232_TX 3V3S

31、DGND 12 34 56 78 910 1112 1314 J606HEADER 7X2 2.54 pitch CLK1 BUSY CNVss CE RESET R232_RX R232_TX R664D 120R R663A 120R R663C 120R R664A 120R R664B 120R R658A 120R R658B 120R R658C 120R R658D 120R M_SCK M_MOSI KEY_STB SCL SDA KEY_MISO IRF IRB A0 1 A1 2 A2 3 Vss 4 SDA 5 SCL 6 WP 7 Vdd 8 U612 24LC16 D

32、GND 3V3SC657 100N SCL SDA DGNDR663B 120R R663D 120R R664C 120R R650B 120R R650C 120R R650D 120R R650A 120R STBY ACDET IPOD_TX DGND IPOD_RX MM_TX MM_RX LED_B FPCLKa FPMOSIa VFMISO KEYMISOa VFSTBa KEYSTBa IRFa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 J602 To FPP Board 8VD DGND EN

33、CAa ENCBa LED_B 1G 1 A1 2 1Y1 18 A2 4 1Y2 16 A3 6 1Y3 14 A4 8 1Y4 12 VCC 20 GND 10 2G 19 B1 11 2Y1 9 B2 13 2Y2 7 B3 15 2Y3 5 B4 17 2Y4 3 U610 74LCX244 DGND C650 100n DGND DGND R659B 120R R659C 120R R659D 120R R659A 120R DGND FPMOSI FPCLK VSTB KEY_STB R657B 120R R657C 120R R657D 120R R657A 120R IRF E

34、NCA ENCB KEY_MISO ENCA ENCB VFMISO FPCLK FPMOSI VSTB VFMISO A0 1 GND 2 A1 3 Y 4 Vcc 5 S 6 U609 NC7SZ157 DGND MISO Sel 3V3S C647 100N DGND 3V3S 3V3S 5 1 4 J605A SCJ351-DS SW C665 100nZ R674 33KJ 232GND trig i TRIG R671 100KJ 3V3S b ec Q604 DTC114 232GND TRIG STEREO PLL_DO PLL_CE TUNERD PLL_CLK PLL_DI

35、 R665A 120R R665B 120R R665C 120R R665D 120R R666 47K R669 47K3V3S RDS_DATA RDS_CLK MUTE DAC_CS DAC_SCK DAC_MOSI R660A 120R R660B 120R R660D 120R R661B 120R R655 120R R660C 120R R661A 120R R661C 120R R661D 120R C689 22N R682 10R AGND DGND -12VA +12VA 3V3S 8VD DGND DGND 3V3D 3V3D 3V3D 3V3D 3V3D R656

36、120R C664 33U/25V C661 100N C663 33U/25V G 1 OUT 2 IN 3 O 4 U613 AMS1117-3.3 DGND C654 100N C656 33U/25V C653 100N C655 33U/25V _596 +5VS +5VS DGND Q603 DTC114 DGND STBY 25 21 J605B SCJ351-DS SW 232GND 78 K603C JRC-27F/012-S C683 EMI100p C684 EMI100p DGND DGND R6210K R6110K 3V3D R64 10K a1 1 gnd 2 a

37、2 3 y2 4 vcc 5 y1 6 U61 NC7WZ17 C62 1N C61 22U/6.3V 3V3S 232GND FB61600100MHz IPOD1_RX IPOD1_TX 232GND MIX_RST2 MIX_RST1 MM_TX MM_RX ETH_RST +5VD DGND +5VD R66 4.7K 232GND AGND AGND C6001 10uF C6002 10uF ENC_Enter ENC_Enter 1 2 3 4 5 6 7 8 9 10 P602 10pin, 2.54mm DGND 8VD -12VA R143 1K TRIG_DEC Q600

38、1 DTC114 a1 1 gnd 2 a2 3 y2 4 vcc 5 y1 6 U6001 NC7WZ16 C1011 100n 3V3S232GND D603 1SS352 3V3S R140 2K R141 20K TRIGB VFD_BUSYa VFD_BUSYa TRIGB 3V3S 232GND C_MUTE Q1010 2SA1015 Q1011 2SC1815 R1352 12K R1345 4K7 +12VA D1054 BAT54S R1347 47K C1443 100U/25VC1444 47U/25V AGND +12VA R1348 4k7 Q1007 DTC114

39、EKA AGND Q1008 DTC114EKA AGND R1355 10K 3V3S MUTE LED_A LED_A C6140 100pF C6141 100pF AGND AGND C6006 10UF/16V C6007 10UF/16V A A K K D119 MM3Z4V7T1G MAIN BOARD - 1 Page 17 MAINBOARD - 2 C415 470U/25V C416 1U/16V DGND R406 14K R409 10K DGND 1V2 3V3D SPI1_MOSI SPI1_CSn2 AGNDAGND MIX_RST1 DGND DGND R4

40、12 33R 1V2 SPI1_MISO SPI1_SCK DGND R402 33R R401 33R MM_TX MM_RX 1V2 1 3V3 2 Ground 3 Ground 4 SCP2_DATA 5 SCP2_CLK 6 GPIOE11 7 GPIOE10 8 S1_DOUT 9 S1_DIN 10 USBDM 11 USBDP 12 Ground(USB) 13 USB VBUS 14 USB_VBUS_FAULT 15 USB_VBUS_DRIVE 16 GPIOB11 17 GPIOG3 18 GPIOB12 19 GPIOG5 20 GPIOB13 21 GPIOG7 2

41、2 GPIOB14 23 GPIOG10 24 GPIOB8 25 SPI1_CSn2_SD card 26 SPI1_MISO 27 SPI1_MOSI 28 SPI1_SCLK 29 Ground(SPI) 30 SYS_nRST 31 SPDIFOUT 32 SD_PROTEVT 33 SD_DETECT 34 LCD_M_HSYNC 35 LCD_F_VSYNC 36 LCD_LRS_EN 37 LCD_PE_CLK 38 Ground(LCD) 39 LCD_DAT0 40 LCD_DAT1 41 LCD_DAT2 42 LCD_DAT3 43 LCD_DAT4 44 LCD_DAT

42、5 45 LCD_DAT6 46 LCD_DAT7 47 Ground(I2S) 48 AUD_MCLK 49 AUD_SFR 50 AUD_SCLK 51 AUD_SDOUT0 52 GPIOD4 53 GPIOG15 54 GPIOH4 55 GPIOH3 56 GPIOG13 57 GPIOG11 58 GPIOG8 59 GPIOG14 60 AUDIO_Ground 61 GROUND 62 AUD_R 63 AUD_L 64 JP401 Ethernet_nINT DGND DGND 1V2_INPUT C404 100nF + C406 220uF C405 10uF C403

43、47pF C402 10pF C401 10pF 3V3_INPUT C410 100nF + C412 220uF C411 10uF C409 47pF C408 10pF C407 10pF 3V3_INPUT FB402 600100MHz 3V3_INPUT FB401 600100MHz LED0 1 PME 2 INTRN 3 DGND 4 VDD_CO1.8 5 EED_IO 6 EESK 7 AGND 8 VDD_A1.8 9 EECS 10 RXP 11 RXM 12 AGND 13 TXP 14 TXM 15 VDD_A3.3 16 ISET 17 AGND 18 RST

44、N 19 X1 20 X2 21 DGND 22 VDD_D1.8 23 DGND 24 VDD_IO 25 CSN 26 SO 27 SCLK 28 DGND 29 VDD_IO 30 SI 31 LED1 32 Themal Pad 33 U407 KSZ8851SNL DGND C444 100nF C443 10pF 3V3D ETH_RST 1V81V8_A VDD_IO 3V3_A R415 0 DGND R421 49R9 R426 49R9 DGND TD+ 2 TD- 3 CT 1 CT 6 RD+ 4 RD- 5 GND 11 GND 12 SHIELD J2 TX- J1

45、 TX+ J6 RX- J3 RX+ J4 J5 J7 J8 9 8 7 10 Gr Ye Lt Rt GND 13 GND 14 Or J402 JP011821UNL C457 100nF R433 49R9 R435 49R9 DGND C461 100nF DGNDDGND R437 470 R434 3.01K ACT DGND C466 22pF C465 22pF DGNDDGND 12 X401 GSX49-4 25MHz 3V3D R416 OPEN FB404 600100MHz C435 100nF C434 10nF FB406 600100MHz C440 100nF 3V3D DGND 3V3_A 3V3D DGND C439 10nF VDD_IO TP403VDD_IO401 FB403 600100MHz DGND C432 100nF C431 10nF TP402 DGND C428 C430 TP4011V81V8_A R419 33 R420 33 R422 33 R424 33 SPI1_SCK SPI1_MOSI SPI1_CSn2 R428 33 R431 33 R427 OPEN R41