NAD C 446 Service Manual Download Page 11 | Manualshive

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PCB LAYOUT

MAIN BOARD - TOP SIDE

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Summary of Contents for C 446

Page 1: ...NAD L A U N A M E C I V R E S C 446 C 446 Digital Media Tuner Digital Media Tuner DRAFT DATE November 2011 ...

Page 2: ...SAFETY INFORMATION C 446 Digital Media Tuner 100 240V 50 60Hz 25W CUSTOM MANUFACTURED TO NAD SPECIFICATIONS IN THE PEOPLE S REPUBLIC OF CHINA Page 2 ...

Page 3: ...EAR 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 PACKING DIAGRAM 32 PACKING PARTS LIST 33 Page 3 ...

Page 4: ...0 kHz 40 dB Image Rejection F 2xIF 28 dB Selectivity 20 dB Loop Sensitivity 20dB S N 999 1000 Hz 66 dB 603 600 Hz 66 dB 1404 1400 Hz 66 dB Frequency response 100 2 3 kHz 5 mV 6 dB DAB SECTION BAND 3 Tuning range 175 280 240 000 MHz Large signal handling capacity 0 dBm Sensitivity 97 dBm 40 dB Adjacent channel rejection 40 dB PLAYABLE MEDIA FORMAT WAV up to 1 536 mbit s FLAC up to 1 5 mbit s AAC up...

Page 5: ...POWER 100 240V 50 60Hz ON IR IN DATA PORT L R WIFI 3 4 5 6 7 8 9 11 10 1 2 12 1 FM ANTENNA TERMINAL AM ANTENNA TERMINAL 2 DAB ANTENNA TERMINAL 230V version model only 3 AUDIO OUT 4 DIGITAL OUT 5 LOCAL AREA NETWORK LAN PORT 6 WIRELESS WIFI ANTENNA TERMINAL 7 RS 232 8 MP 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 5 INFO 6 REMOTE SEN...

Page 6: ...ine screws M6 0 x 8 0 x 7pcs from the side panels Refer to Figure No 1 2 Pull both sides of the TOP COVER slightly outwards and tilt approx 35 and then remove in the direction as indicated Refer to Figure No 2 Figure No 1 Figure No 2 Page 6 ...

Page 7: ...WIRING DIAGRAM 1 2 3 4 5 MainBoard PowerBoard FM AM Tuner FPP Board Encode Page 7 ...

Page 8: ...14 44604 01 Cable L 80 mm Encode 2 14 44604 00 Cable L 205mm MainBoard U SB FPPBoard USB to FPP Board to 3 14 44624 00 Cable L 175mm L 50mm MainBoard to FPPBoard MainBoard to 4 14 98017 10 Cable FM AM Tuner 5 14 44610 00 Cable L 200mm PowerBoard MainBoard t o Page 8 ...

Page 9: ...6D 1 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 TRIG RS232 IPOD control RS232 12VA 12VA GND GND ADC PCM1808 74LCX244 IIS IIS USB Transmitter DIT4096 OPT...

Page 10: ...SPECIAL KEYS Function Keys Notes Reset AH Reset C V FD Test Source left BACK Source right SETUP INFO SETUP Page 10 ...

Page 11: ...PCB LAYOUT MAIN BOARD TOP SIDE Page 11 ...

Page 12: ...MAIN BOARD BOTTOM SIDE Page 12 ...

Page 13: ...FPP BOARD BOTTOM SIDE Page 13 ...

Page 14: ...FPP BOARD TOP SIDE Page 14 ...

Page 15: ...POWER BOARD TOP SIDE Page 15 ...

Page 16: ...POWER BOARD BOTTOM SIDE Page 16 ...

Page 17: ...02 2SC1815 C649 10N D602 1N4148 C652 100P AGND 12VA 4 6 5 K603B FM MM Sel FM MM Sel 3V3S DGND 3V3S C659 100N Y601 18 432 MHz C667 20P C666 20P DGND R670 100K dgnd C660 100N 3V3S 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 13 P82 INT0 14 P81 15 P80 16 P77 17 P76 18 P75 19 P74 20 P...

Page 18: ...0 100MHz DGND C432 100nF C431 10nF TP402 DGND C428 C430 TP401 1V8 1V8_A R419 33 R420 33 R422 33 R424 33 SPI1_SCK SPI1_MOSI SPI1_CSn2 R428 33 R431 33 R427 OPEN R417 OPEN 3V3D R438 470 C446 Ethernet 1 2 R436 10K 3V3D DGND C429 10uF C433 10uF C441 10uF C436 10uF LINK 3V3D C462 10uF C442 10uF D402 BAT54 FB407 600 100MHz 3V3D C452 100nF C453 10uF FB408 600 100MHz 3V3D DGND C463 100nF C464 10uF Ethernet...

Page 19: ...0R R221 100R 1a 1 3y 2 2a 3 gnd 4 2y 5 3a 6 1y 7 vcc 8 U210 NC7NZ34 3V3F DGND 3V3F C224 22u 6V3 G 1 OUT 2 IN 3 O 4 U211 ASM1117 5 DGND C222 100n C223 100U 25V 5VF 8VD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 J201 Header 24 8VD Q201 2SC1815 R236 560R C226 2 2U 10V C225 22u 6V3 3V3F D202 1SS352 3V3F 1 2 3 4 CON202 NC DGND C229 220U 16V DGND 3V3F DGND DGND DGND DGND R201 100R IR...

Page 20: ... 4 7K R903 470R Q901 2SB647 D PGND1 PGND1 CY901 1nF L902 10mH CX902 330nF 250VAC TH901 5D 11 2 1 3 4 D906 KBP208 ZV901 TUR10D471 R911 330k C926 2200uF 16V 1 2 3 J901 CON3 R918 330k R917 330k L903 10mH CX901 100nF 250VAC C928 101 R924 62R C918 68uF 400V CY902 1nF 1KV CY904 1nF 1KV C917 10nF 1kV R914 47k 2W R922 6 8R C924 100nF R925 200R R928 5 1K 1 R930 47k 1 C929 104 R927 10k 2 3 1 IC902 TL431 D90...

Page 21: ...Ω 0603 1 10W 5 RC0603JR 07470RL R143 R606 R622 R676 07 91001 00 1KΩ 0603 1 10W 1 RC0603FR 071KL R140 07 90202 00 2KΩ 0603 1 10W 5 RC0603JR 072KL R677 07 90222 00 2 2KΩ 0603 1 10W 5 RC0603JR 072K2L R434 07 93011 00 3 01KΩ 0603 1 10W 1 RC0603FR 073K01L R425 07 93241 00 3 24KΩ 1 10W 1 0603 RC0603FR 073K24L R651 R653 R654 R66 R1345 R1348 07 90472 00 4 7KΩ 0603 1 10W 5 RC0603JR 074K7L R436 R631 R635 R6...

Page 22: ...7151 00 470pJ 50V 0603 NPO C608 C614 C615 C616 C62 26 10251 10 1nJ 50V 0603 NPO C607 C626 26 68251 00 6 8nK X7R 50V 0603 C423 C426 C430 C431 C434 C439 C445 C447 C448 C454 C458 C459 C460 C648 C649 26 10351 00 10nK 50V 0603 X7R C2012X7R1H103KT C687 C688 C689 26 22351 00 22nK 50V 0603 X7R C674 26 47351 00 47nJ 50V X7R 0603 C602 C612 C630 C637 C639 C642 C644 C645 C647 C653 C654 C657 C659 C660 C661 C66...

Page 23: ...2502 00 25 00 MHZ 50 PPM FOXSDLF 250F 20 TR CSM25 0000M50F2030 20 70CTR IC U614 U404 03 03825 33 TPS3825 33DBVT SOT23 5 U408 03 54331 01 TPS54331 U407 03 08851 02 KSZ8851SNL U611 03 30281 03 M30281FAHP U617 03 03221 02 MAX3221CAE MAX3221CDBR MAX3221E EAE U608 U609 03 07157 01 NC7SZ157P6X U61 U6001 03 00717 01 NC7WZ17P6X U607 03 04096 01 DIT4096 U613 03 01117 33 LM1117MPX 3 3 NOPB AMS1117 3 3 U616 ...

Page 24: ...12502 18 CNT M254 1 2 GS 5 3 N P602 13 22510 00 XHB 2 5A 10A OP601 03 13000 01 GP1FAV30TK0F P601 13 21217 00 1 25 2 17P JP401 13 22564 02 CNT F254 2 32 GS 500 3 0 L K603 K601 12 02101 02 HFD31 12V 12VDC HS401 70 004001 0 HS4 C350 B009V1 M008 DAB Connector 17 05001 09 HRF 0812 sold separate from J37 20262 01 Media Module not sold with 01 44601 98 99 J37 20262 00 FS2026 2W AH w o DAB support J37 202...

Page 25: ... 90101 00 100Ω 0603 1 10W 5 RC0603JR 07100RL R215 07 90121 00 120Ω 0603 1 10W 5 RC0603JR 07120RL R236 07 90561 00 560Ω 0603 1 10W 5 RC0603JR 07560RL R254 R259 07 90122 00 1 2KΩ 0603 1 10W 5 RC0603JR 071K2L R237 R238 R239 R240 R241 R242 R243 R204 R260 R255 R258 R2508 07 90103 00 10KΩ 0603 1 10W 5 RC0603JR 0710KL R205 07 90224 00 220KΩ 0603 1 10W 5 RC0603JR 07220KL R263 R264 07 90122 01 1 2KΩ 0805 1...

Page 26: ...10411 01 100nK 16V 0805 X7R C226 26 22521 01 2 2uF 10 25V X5R 0805 C243 26 10611 01 10uF 0805 10V C0805C106M8PACTU C202 C224 C225 C228 26 22660 11 22uF 6 3V X5R 0805 C242 26 10422 02 100nK 200V 1206 X7R C240 C241 26 10611 02 10uF 16V X5R 10 1206 ALU Electrolytic CAP C201 06 47011 03 CD263 X 47uF 16V 20 F2 5 C223 06 10111 00 CD110 X 100uF 16V 20 85 F5 0 C229 C230 06 22111 04 CD263 X 220uF 10V 20 F2...

Page 27: ...05 5 RC0805JR 074K7L R909 R910 R928 07 95101 01 5 1KΩ 0805 1 RC0805JR 075K1L R919 07 90682 01 6 8KΩ 0805 5 RC0805JR 076K8L R908 R927 07 90103 01 10KΩ 0805 5 RC0805JR 0710KL R904 07 90223 01 22KΩ 0805 5 RC0805JR 0722KL R901 R930 07 90473 01 47KΩ 0805 5 RC0805JR 0747KL R924 07 90620 02 62R 1206 5 RC1206JR 0762RL R905 R912 07 90101 02 100R 1206 5 RC1206JR 07100RL R911 R917 R918 07 90334 02 330K 1206 ...

Page 28: ... 47951 08 CD263 X 4 7uF 50V 20 F5 0 C906 C923 06 47051 06 CD263 47uF 50V 20 TRANSFORMER T902 A22 00025 13 EEL25C446 T901 22 01615 00 HJEE16STB0 ICS U905 03 00244 00 TOP244Y U902 03 00274 00 TNY274 U904 03 07812 20 NJM78M12FA U908 03 07912 20 NJM79M12FA DIODE D906 33 30282 00 KBP208G 2A 800V D904 33 25822 00 1N5822 D911 33 21020 00 MUR1020CTPbF D903 33 20120 00 MUR120 D902 D909 33 24006 00 UF4006 D...

Page 29: ...0 Ribbon cable 4 pins encoder PCB to front panel PCB 14 44604 01 Ribbon cable 4 pins from main PCB to USB connector 14 44604 00 Gold WiFi connector and cable for WiFi antenna 29 44600 00 PCB Assemblies C446 C CT main assembly programmed for C CT units includes media module 01 44601 20 C446 AH main assembly programmed for AH units includes media module 01 44601 10 C446 AH C SMPS power supply assemb...

Page 30: ...EXPLODED VIEW Page 30 02 44698 00 02 44697 00 02 44699 00 Complete Fascia Assemblies Contain 1 2 3 9 10 12 13 14 15 16 17 35 36 Graphite for C version fascia assembly with the DAB logo P N Graphite for AH version fascia assembly without the DAB logo P N Titanium fascia assembly with the DAB logo P N ...

Page 31: ... １２４００１０ＦＯＯＴＲＯＨＳ４１９７８００１００２０ＦＯＯＴＰＡＤＲＯＨＳ４２０６１０２３５０６０ＭＡＣＨＩＮＥＳＣＲＥＷＭＢ３６ＲＯＨＳ１３２１６１０２３２０８０ＳＥＬＦＴＡＰＩＮＧＳＣＲＥＷＢＴＢ３８ＲＯＨＳ３２２６１０２３１０６０ＳＥＬＦＴＡＰＩＮＧＳＣＲＥＷＳＴＢ３６ＲＯＨＳ２２２３６１０６３１０５０ＳＥＬＦＴＡＰＩＮＧＳＣＲＥＷＳＴＦ３５ＲＯＨＳ４２４６１０６３１０６０ＳＥＬＦＴＡＰＩＮＧＳＣＲＥＷＳＴＦ３６ＲＯＨＳ３２５６１０２３５１００ＭＡＣＨＩＮＥＳＣＲＥＷＭＢ３１０ＲＯＨＳ１２６６１０２３２０６０ＳＥＬＦＴＡＰＩＮＧＳＣＲＥＷＢＴＢ３６ＲＯＨＳ３１２７８５２２３００２０ＲＯＵＮＤＳＰＡ...

Page 32: ...3 2 4 5 6 8 1 7 PACKING DIAGRAM Page 32 ...

Page 33: ...0 10 AA Batteries ROSH 2 7 30 34702 00 ＷｉＦｉＡｎｔｅｎｎａ ROSH 1 7 30 87200 00 TV Matcher ROSH 1 7 30 37300 00 TUNER ANTENNA FM ROSH 1 7 J30 37300 10 TUNER ANTENNA AM ROSH 1 7 A17 07002 07 AC Inlet ROSH 1 7 30 34702 00 Antenna ROSH 1 7 29 80106 00 DAB Antenna C version ROSH 1 7 A15 10250 00 AC Cord C Version ROSH 1 7 or JA15 10250 20 AC Cord C Version ROSH 1 7 JA15 10125 01 AC Cord AH Version ROSH 1 7 o...

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