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TABLE OF CONTENTS 

 

DESCRIPTION      

   

       P A G E 

 

SPECIFICATIONS…………………………….…………………………..........4

WIRING DIAGRAM…………………………………………………………...5

BLOCK DIAGRAM………………………………………………………….......7

  

 PCB LAYOUT…………..................……………………..……….…….....11-15

EXPLODED VIEW PARTS LIST

 

EXPLODED VIEW 

ELECTRICAL VIEW PARTS LIST…………………………..……...…....16-23

WIRING DIAGRAM PARTS LIST………………..…………………………....6

………………………………………………………...24-24

…………………………………….. ...24-24

CIRCUIT DIAGRAMS…………………………………………………….....8-10

Содержание C 427

Страница 1: ...NAD Digital Media Tuner Digital Media Tuner SERVICE MANUAL C427 C427 ...

Страница 2: ...DESCRIPTION P A G E SPECIFICATIONS 4 WIRING DIAGRAM 5 BLOCK DIAGRAM 7 PCB LAYOUT 11 15 EXPLODED VIEW PARTS LIST EXPLODED VIEW ELECTRICAL VIEW PARTS LIST 16 23 WIRING DIAGRAM PARTS LIST 6 24 24 24 24 CIRCUIT DIAGRAMS 8 10 ...

Страница 3: ... Image Rejection 119 4 MHz 70 dB I F Rejection 10 7 MHz 70 dB Pilot Suppression 60 dBu 60 dB Total Harmonic Distortion Mono 0 4 Stereo 0 8 Auto Search Sensitivity 24 dBu RDS Decode Sensitivity 26 dBu AM SECTION 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 S...

Страница 4: ... R2000 R233 R232 R229 C218 C214 C220 R208 U208 C204 R203 C203 R2001 R2002 Q204 C227 R250 R215 R248 R213 R212 R211 R210 R234 R219 C219 R227 C210 C221 R207 R214 R209 R235 C209 R204 C206 R221 R228 D201 R205 U205 R222 U206 C205 U203 R243 C223 U212 R237 K204 U209 U211 D2002 C222 C224 C208 R236 C226 R201 D202 Q201 C202 C225 U201 R202 C201 C229 C230 R260 C228 Q206 D205 C232 Q205 R261 R265 R267 C243 D209 ...

Страница 5: ...PIN L 95mm Tuner To Main Board 2 14 42724 00 Cable 1 0mm 24PIN L 240mm Key Board To Main Board 3 14 44604 01 Cable UL2468 26AWG 4PIN L 80mm Key Board To Encorde Board 4 14 42709 00 Cable UL2468 26AWG 9C 9PIN L 240mm PSU Board To Main Board WIRING DIAGRAM PARTS LIST 6 ...

Страница 6: ...R TRIG RS232 MAIN PSU Standby PSU TNY274PN 5V 1A MAIN L MAIN N NAD C427 BLOCK DIAGRAM VERSION V1 0 Drafted by Ben Data 2013 06 25 standby 0 2W dissipation PSU BOARD LDO AMS1117 3V3S VF 3V3D 12V 0 5A SWITCH 8V TRANSFORMER VF 8V 0 5A TRANSISTOR LDO AMS1117 GPIO 8V 5VS 5VD APM2301 Conversing VFD BOE CIG128X32 Main MCU M30281FAHP SPI I2C GPIO 3V3S VDF Driver MCU PIC18F26K20 3V3D 74LCX244 VF VF AC INLE...

Страница 7: ... 3V 3SC 6 5 7 100N SCL SD A D G N D R 6 6 4 C 120R R 650B 12 0R R 650C 12 0R R 650D 12 0R R 650A 12 0R ST B Y D G N D LED _B FPCLK a FPM O SIa V FM ISO K EY M ISO a V FSTBa K EY STBa 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 8V D D G N D E N C A a E N C B a LED _B 1G 1 A 1 2 1Y 1 18 A 2 4 1Y 2 16 A 3 6 1Y 3 14 A 4 8 1Y 4 12 V C C 20 G N D 10 2G 19 B1 11 ...

Страница 8: ...X7R DGND R222 100R R228 100R 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 D...

Страница 9: ... D Q 904 IRF5210 C 902 330uF 25V R918 1K R920 1K R921 1K R922 1K C 3 S 5 X 2 V 1 D 7 F 4 U 902 T O P265E G R909 5 1M R908 5 1M R910 5 1M R915 180K L903 10mH CX 902 220nF 250V A C TH 901 5D 11 ZV 901 TU R10D 471 R929 750k 1 2 3 J901 CO N 3 R931 750k R930 750k L902 10mH CX 901 100nF 250V A C CY 902 1nF 1K V CY 903 1nF 1K V F901 T2A L250V A C STB R905 1k R916 4 7R 1W V i 1 V o 2 g 3 V d 4 U 901 K A 7...

Страница 10: ...1 MAIN BOARD VM2 0 Top Layer Bottom Layer PCB LAYOUT 11 ...

Страница 11: ...2 FPP BOARD VM2 0 12 ...

Страница 12: ...2 FPP BOARD VM2 0 Bottom Layer 13 ...

Страница 13: ...14 Top Layer Bottom Layer 3 FPP ENCODE BOARD VM2 0 ...

Страница 14: ...4 SMPS BOARD VM1 0 15 ...

Страница 15: ...9 0 3 3 9 7 0 3 7 6 R Ω 0603 1 10W 1 R607 R623 07 94709 00 Chip resistor 47Ω 0603 1 10W 1 0 0 1 r o t s i s e r p i h C 0 0 0 0 0 1 9 7 0 4 8 6 R Ω 0603 1 10W 1 R655 R686 R687 07 91200 00 Chip resistor 120Ω 0603 1 10W 1 R683 R685 07 93300 00 Chip resistor 330Ω 0603 1 10W 1 R606 R622 R648 R649 07 94700 00 Chip resistor 470Ω 0603 1 10W 1 R143 R676 07 91001 00 Chip resistor 1KΩ 0603 1 10W 1 RC0603FR ...

Страница 16: ...C 2 1 1 1 1 2 2 6 0 6 4 6 C CD263 220uF 16V 20 F2 5 CAYSTAL z H M 2 3 4 8 1 L A T S Y R C 1 0 2 4 8 1 1 4 0 1 0 6 Y CONNECTOR B P 4 2 9 0 1 m m 0 1 N I P 4 2 r o t c e n n o C C F F 7 0 4 2 0 1 2 3 1 2 0 6 J P 5 1 4 5 3 J S k c a J e n o h P 7 0 2 0 0 2 0 7 1 5 0 6 J W S S D 1 5 3 J C S k c a J e n o h P 2 0 2 0 0 2 0 7 1 r o 5 0 6 J A 1 0 V 1 2 J R s e l o h 2 A C R 2 3 0 2 0 0 1 0 7 1 1 0 6 J t ...

Страница 17: ... 071K2L R237 R238 R239 R240 R241 R242 R243 R204 R260 R255 R258 R2508 07 90103 00 Chip resistor 10KΩ 0603 1 10W 5 RC0603JR 0710KL r o t s i s e r p i h C 0 0 4 2 2 0 9 7 0 5 0 2 R 220KΩ 0603 1 10W 5 RC0603JR 07220KL R263 R264 07 90122 01 Chip resistor 1 2KΩ 0805 1 8W 5 RC0805JR 071K2L R248 R250 07 90103 01 Chip resistor 10KΩ 0805 1 8W 5 RC0805JR 0710KL r o t s i s e r p i h C 1 0 3 2 2 0 9 7 0 7 6 ...

Страница 18: ...r e d a e H 4 1 5 0 5 2 1 3 1 1 0 2 N O C 2 54mm 5Pin CNT M254 1 5 GS 5 9 3 N K201 K202 K203 K204 K205 K206 K207 11 04101 05 Tact Switch IT 1102A 1160 A 1 0 2 3 X 8 2 1 G I C Y A L P S I D D F V 2 0 8 2 1 0 0 3 2 3 0 2 U 66 223002 1 Bracket SECC N5 T 1 0mm 85 223003 0 Plastic spacer HP 12 61 023208 2 Self Tapping Screw BTB3 2 8 m m 0 8 L e r i W 1 0 4 0 6 4 4 4 1 m m 0 8 L PCB 3 FPP ENCODE BOARD N...

Страница 19: ...r o t s i s e R T M S 1 0 1 0 3 3 9 7 0 8 2 9 R 3 3KΩ 0805 1 8W 1 RC0805FR 073K3L R906 R907 R937 07 95101 01 SMT Resistor 5 1KΩ 0805 1 8W 1 RC0805FR 075K1L r o t s i s e R T M S 1 0 1 0 8 6 9 7 0 2 3 9 R 6 8KΩ 0805 1 8W 1 RC0805FR 076K8L R902 R903 R904 07 91002 01 SMT Resistor 10KΩ 0805 1 8W 1 RC0805FR 0710KL r o t s i s e R T M S 1 0 3 0 8 1 9 7 0 5 1 9 R 180KΩ 0805 1 8W 1 RC0805FR 07180KL r o t ...

Страница 20: ...0uF 25V 20 105 108KXM025MSA INDUCTOR H u 5 3 0 6 0 R H u 5 R O T C U D N I 0 0 0 5 0 5 0 8 0 1 0 9 L 4 0 5 0 1 F U J H H m 0 1 R O T C U D N I 2 0 5 2 0 0 0 2 2 2 0 9 L 8 9 U U H m 0 1 J H R O T C U D N I 0 0 8 9 0 0 0 2 2 3 0 9 L TRANSFORMER r e m r o f s n a r T 1 2 5 2 0 0 0 2 2 A 1 0 9 T Nanjing Infinity EEL25 400uH C427 CONNECTOR 3 1 0 3 0 9 3 2 3 1 1 0 9 J 芯3 96mm立式插座 VH 3 96A 3A 9 0 0 9 0 5...

Страница 21: ...01 0 Bracket SECC N5 T 1 0mm PLASTIC PARTS M 3 2 L K r e d l o H e r i W 1 1 0 0 1 0 0 4 8 76 223001 0 Display Lens PMMA OP P N 25 008 0405 92 87 124001 0 Foot ASSY 75 124001 0 Foot ABS765B 78 001002 1 Foot Pad MX 48HF 90 2 OD 25 5mm ID 14 1mm T 3mm FASTENERS 61 023506 0 machine Screw MB3 6 61 023208 0 Self Taping Screw BTB3 8 61 023106 0 Self Taping Screw STB3 6 61 063105 0 Self Taping Screw STF3...

Страница 22: ...sion ME302P SJT 18AWG 2 VAC17S 94 394002 1 Version Label AH 115x85mm m m 8 4 1 X 0 1 2 d r a C e e t n a r a u G 1 0 0 0 5 1 5 0 3 J37 01141 23 TUNER KST MB114MA1 23 A15 10250 00 AC Cord C Version M3204 H05VV F 2 0 75mm VAC17S or JA15 10250 20 AC Cord C Version PE 224 H05VV F 2 0 75mm2 2C Black 6 LS 20 67 223003 1 Top Cover SECC N5 T 1 2mm PPG PCSC90103 S 5 65 223003 1 Top Cover SECC N5 T 1 2mm 70...

Страница 23: ...1 C J37 01140 23 AH 12 67 394002 0B rear panel 1 13 A11 01101 03 rocker switch 1 14 A17 07002 07 AC inlet 1 15 67 223003 1 top cover 1 16 01 42701 10 main board 1 120V 01 42701 20 230V 17 01 42705 00 SMPS board 1 18 01 44604 00 encoder board 1 19 01 42702 00 FPP board 1 20 67 223002 3 subfasica 1 21 70 223003 1 left end cap 1 22 74 123003 1 power button 1 23 77 124004 0 power button bezel 1 24 74 ...

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