NAD M12 Service Manual Download

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NAD

SER

VICE MANUAL

DIGITAL

PREAMP

DAC

DIGITAL PREAMP

DAC

Summary of Contents for M12

Page 1: ...NAD SERVICE MANUAL DIGITAL PREAMP DAC DIGITAL PREAMP DAC...

Page 2: ...4 SPECIFICATIONS 5 WIRING DIAGRAM 6 BLOCK DIAGRAM 7 9 12 28 8 PCB LAYOUT 29 40 ELECTRICAL PARTS LIST 41 67 EXPLODED VIEW 68 EXPLODED VIEW PARTS LIST 69 CIRCUIT DIAGRAMS TROUBLE SHOOTING A GUIDE 10 TR...

Page 3: ...NENTS FOR FRAYED LEADS DAMAGED INSULATION INCLUDING A C CORD AND REPLACE IF NECES 5 NO LEAD OR COMPONENT SHOULD TOUCH A RECIVING TUBE OR A RESISTOR RATED AT 1 WATT OR MORE LEAD TENSION AROUND PROTRUNI...

Page 4: ...Parts including Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such component...

Page 5: ...2 Optical x 2 USB Class 2 Audio asynchronous 24 192 support DD AP 1 Analogue Phono Module IR In Trigger In 12V 20 Trigger Out 12V 20 GENERAL Idle Power 26W Standby Power 0 5W Unit Dimensions WxHxD Gro...

Page 6: ...6 Wiring diagram...

Page 7: ...NC7SV157 IIS Main1 IIS M ain1 DIG ITA L OUTPUT Front USB for Playback Front USB for upgrade OPAMP LME49860 OPAMP LME49860 SE BAL SE BAL mute mute SUB BAL SE P N BAL SUB SE mute mute mute SUB BAL SE B...

Page 8: ...rror Detect STATUS INT1 Q subcode buffer TX1 B C U VOUT 8 to 3 VIN GP0 1 2 3 4 5 6 7 Serial Control Mode Input Selector Clock Recovery Clock Generator DAIF Decoder AC 3 MPEG Detect DEM Audio I F X tal...

Page 9: ...1P 1D 1C 1E 1A 1K X0D14 X0D15 X0D20 X0D16 X0D17 X0D18 X0D19 X0D01 X0D02 X0D03 X0D08 X0D09 X0D04 X0D05 X0D06 X0D07 X0D10 X0D11 X0D12 X0D13 X0D22 X0D23 X0D00 1F 1B X0D21 X0D51 X0D52 X0D53 X0D54 X0D55 X...

Page 10: ...FPP LCD board YES SPI signal to FPP YES NO YES short circuit on 5V3F 5V3D YES NO 5V3F 5V3D correct YES 6 NO correct Check U3065 U3066 U1038 U1039 Check U1041 U1042 U9001 Check Q1 U7 NO NO Check U3058...

Page 11: ...ut correct YES Check U1002 12 NO Check U3030 U3034 U3033 U3038 Check IIS_sel signal Finish Check U506 Check U600 U1030 U1035 Check K1001 K1002 K1003 K1004 Line Output correct Apply signal to coax or o...

Page 12: ...CK IGN D 1 153 M CK _IN 154 CK IP3V 3 155 M CK _IN _BA R 156 CK IGN D 2 157 C3P1V 8 158 CH 3_REF0 159 C3P3V 3 160 C3GN D 161 CH 3_REF1 162 CH 3_REF2 163 CH 3_FB0 164 CH 3_FB1 165 C23P1V 8 166 C23GN D...

Page 13: ...R11 04 47R R11 05 47R R11 06 47R a1 1 gnd 2 a2 3 y2 4 vcc 5 y1 6 U1054 NC7WV17 C1224 22n R1101 47R R1098 47R C1222 22n C1101 22n a1 1 gnd 2 a2 3 y2 4 vcc 5 y1 6 U1032 NC7WV17 a1 1 gnd 2 a2 3 y2 4 vcc...

Page 14: ...0P AGND AGND AGND AGND C1365 100P C1350 100P C1294 100P C1278 100P AGND AGND AGND AGND R1198 470R 2 3 1 U1068A LME49860 6 5 7 U1068B LME49860 R1177 56K C1287 100P R1179 1K96 R1173 1K96 R1178 NC AGND C...

Page 15: ...120R R3215C 120R R3215D 120R R3215A 120R R3219B 120R R3219C 120R R3219D 120R R3219A 120R PCLK PMOSI PMISOM2 PA0 PA1 PA2 PS2 PSTB C3076 100N C3061 100N 3V3D DGND IISCLKM2i AUMUTM2i C3077 10u L3011 742...

Page 16: ...ET 3 VDD 5 MR 4 U3057 TPS3825 DGND M CL R R3124 0R 5 R3158B 120R R3158C 120R R3158D 120R R3158A 120R R3156 100R nc C3141 100N 3V3D DGND R3159 100R R3148 100R R3152 100R IISCLKZ0 IISDOZ0 IISFSZ0 DGND D...

Page 17: ...89 4U 7 50V M3PS _ON BOOT 1 N C 2 RT SYN C 3 FB 4 EN 5 GN D 6 V IN 7 SW 8 GN D 0 U3069 TPS 5430 C3196 10U 25V C3187 10N D3013 S K56C L3024 22uH 5A DGND DGND 22uH C3193 22N f 500KHz L3027 12V5M5 DGND D...

Page 18: ...1Y1 18 A2 4 1Y2 16 A3 6 1Y3 14 A4 8 1Y4 12 V CC 20 GN D 10 2G 19 B1 11 2Y1 9 B2 13 2Y2 7 B3 15 2Y3 5 B4 17 2Y4 3 U4004 74LCX244 DGND C4016 100n DGND R4017B 5 R4017C 5 R4017D 5 R4017A 5 R4034 6K8 DGND...

Page 19: ...B C9 3 0 5 10 U 1 0 V J9301 TO FPP TRI GON _ OFF TRI GIN 2 3 2 TX 2 3 2 RX IR E D GN D 3V3T 3V3T 3V3T R9306 10R DGND D GN D 7 1 9 2 1 OP9300 GP1FTX J9303 R9315 226R R9316 115R opt ou t coax o ut C9325...

Page 20: ...9007 HOLE GNDE GNDE GNDE GPO1 1 GPO0 2 TOGGLE FS S 3 DELAY 4 CS0 5 CS1 6 V SS 7 CS2 8 ARST 9 CS3 10 XRES 11 S CAN R SLEEP 12 V D D 13 GPO3 14 CM OD 15 GPO2 16 U7003 CY8CMBR2044 C7016 100N C7014 10U VC...

Page 21: ...a2 y2 vcc y1 U9004 NC7WZ17 a1 1 gnd 2 a2 3 y2 4 vcc 5 y1 6 U9003 NC7WZ17 3V3F 5VSF 3V3F C9018 100N C9020 100N C9019 100N GND GND GND GND GND GND 3V3F 5VSF 3V3F R9003 100R R9004 0R Q9000 DTA114 5VSF 1...

Page 22: ...DIR 1 A1 2 A2 3 A3 4 A4 5 A5 6 A6 7 A7 8 A8 9 GN 10 B8 11 B7 12 B6 13 B5 14 B4 15 B3 16 B2 17 B1 18 OE 19 VCC 20 U11 NC SN74LV245ATPWR 1 1 2 2 C29 100nF nc 1 1 2 2 R22 0 1 1 2 2 R23 0 1 1 2 2 R24 0 1...

Page 23: ...P7007 TESTPAD GNDANA C7045 33n C7061 33n C7050 100n C706 33n C7037 33n C7057 100n C705 33n C7053 4 7u C7033 2 7n C7030 2 2u C7047 470p C7029 100n C7055 100n C7043 4 7u C7051 100n C7044 100n C7034 2 7n...

Page 24: ...L_AGND 47 PLL_AVDD 48 OTP_VPP 46 OTP_VDDIO 45 P O WE R VDD_101 101 VDD_108 108 VDD_123 123 PCU_VDDIO 22 PCU_VDD 19 PCU_GATE 23 PCU_WAKE 20 PCU_CLK 24 GND_PAD 129 GND_92 92 GND_91 91 GND_88 88 GND_80 8...

Page 25: ...TR101D EE18 8 10 TR101E EE18 0 1 S 104 9 1 2 10 7 8 3 4 5 6 T101 EE16A 1 2 NTC101 1 2 3 J101 CON3 0 1 S 101 XM102 HOLE R146 10R C146 10nF 50V GNDP VCC Q109 FDPF10N50FT Q104 BC807 25 D111 BAS321 R132...

Page 26: ...6 220R R6062 220R R6071 1K21 AGND D6003 BAT54S D6004 BAT54S 2 3 U6009A NE5532 6 5 7 U6009B NE5532 R6081 0R C6040 220U 6V3 IPL B IPL S IPL S 35 35 IPRS IPRS AGND IPL IPRB IPRB IPLB 3 a0 a1 a2 g2a g2b g...

Page 27: ...MGND LIN RIN LO RO Q9508 2SC2240 R9524 1K C9522 100U 16V MGND C 9524 100U 16V Q9509 2SA970 R9527 1K C9521 100N X7R C9523 100N X7R MGND MGND MGND R9525 1K R9526 1K MGND MGND R9545 470R C9530 180P N PO...

Page 28: ...IV E _L E D _6 D E V IV E _L E D _7 I R 2 1 3 4 D138 APTB1615ESGC VCC_3V3 2 1 K55 AMP 2 1 K54 TV 2 1 K57 CUSTOM 2 1 K58 DVD 2 1 K60 VCR 2 1 K61 TUNER 2 1 K56 CAB SAT 2 1 K59 MACRO 2 1 K65 0 2 1 K66 1...

Page 29: ...1 AUDIO BOARD 29 PCB LAYOUT Top Layer Bottom Layer...

Page 30: ...2 MDC BOARD 30 Top Layer Bottom Layer...

Page 31: ...31 3 MDC DIGTAL IO BOARD Bottom Layer Top Layer...

Page 32: ...32 4 232_TRIG BOARD Bottom Layer Top Layer...

Page 33: ...33 5 BOOTLOAD BOARD Bottom Layer Top Layer 6 ENCODER BOARD Bottom Layer Top Layer...

Page 34: ...34 7 TOUCH KEY BOARD Bottom Layer Top Layer 8 LED BOARD Bottom Layer Top Layer...

Page 35: ...35 9 FPP BOARD Bottom Layer Top Layer...

Page 36: ...36 10 USB XMOS BOARD Bottom Layer Top Layer...

Page 37: ...37 11 PSU BOARD Top Layer Bottom Layer...

Page 38: ...38 12 ANA BOARD Top Layer Bottom Layer...

Page 39: ...39 13 PHONO BOARD Top Layer Bottom Layer...

Page 40: ...4 14 HTRM2 BOARD Top Layer Bottom Layer...

Page 41: ...h S 2 0 5 6 1 0 0 3 0 9 2 0 1 U R W P 5 6 1 C H 4 7 N S r e t s i g e R t f i h S 3 0 5 6 1 0 0 3 0 r o 9 2 0 1 U S S I T B 8 2 1 F 0 5 1 X M 2 3 C I P U C M 0 0 0 5 1 2 3 3 0 0 3 0 1 U U1031 U1032 U...

Page 42: ...5 4 9 7 0 3 7 0 1 R 45 3 0805 1 8W 1 RC0805FR 0745R3L R1009 R1010 R1092 R1026 07 91000 01 Chip Resistor 100 0805 1 8W 1 RC0805FR 07100RL r o t s i s e R p i h C 1 0 9 3 5 9 9 7 0 0 7 0 1 R 9 6 0 1 R 9...

Page 43: ...2 Chip Resistor MMF204FRE56K 56K 1 CAPACTIOR C1036 C1037 C1041 C1042 C1080 C1083 26 10051 18 Ceramic Chip Capacitor 10pF 50V 2 0402 C0G GRM1555C1H100GA01 C1038 C1039 C1044 C1045 C1047 C1048 C1049 C105...

Page 44: ...h C c i m a r e C 2 0 2 1 4 0 1 6 2 3 1 2 1 C 4 9 1 1 C C1162 C1163 C1164 C1165 C1167 C1168 C1169 C1170 C1171 C1180 C1182 C1183 C1184 C1186 C1189 C1190 C1195 C1197 C1205 C1209 C1211 C1299 C1300 C1416...

Page 45: ...0 0 1 J Pitch 2 0mm 2x17Pin CNT B200 2 17 GS 2 8 N r o t c e n n o C 9 0 2 0 5 2 1 3 1 8 0 0 1 J Pitch 2 54mm 2pin CNT M254 1 2 GS 4 2 8 N E T I H W A C R G N O S N A H A C R 5 1 1 0 0 1 0 7 1 3 1 0 1...

Page 46: ...Q3018 Q3019 Q3021 Q3023 Q3024 Q3025 Q3026 Q3027 Q3036 31 00114 05 Digital Transistor DTC114EKA 3 2 T O S 0 4 7 1 8 C B r o t s i s n a r T 0 4 7 1 8 0 0 1 3 9 2 0 3 Q Q3030 Q3031 Q3032 Q3033 Q3034 Q3...

Page 47: ...apacitor 100nK 50V 0805 X7R 10 C3100 C3227 C3228 C3231 26 10151 00 Ceramic Chip Capacitor 100pJ 50V 0603 NPO C3153 C3155 C3161 C3191 C3192 C3193 C3241 C3242 C3243 C3244 C3246 C3247 26 22351 01 Ceramic...

Page 48: ...K 0603 1 10W 1 RC0603FR 073K3L R3095 R3096 R3098 R3133 R3134 R3140 R3141 R3142 07 94701 00 Chip Resistor 4 7K 0603 1 10W 1 R3000 R3035 R3036 07 94751 00 Chip Resistor 4 75K 0603 1 10W 1 RC0603FR 074K7...

Page 49: ...2Pin CNT M254 2 2 GS 9 5 3 N A 3 A 4 5 2 B H X r e t c e n n o C 0 0 3 0 5 2 2 3 1 5 0 0 3 J n i p 4 m m 6 9 3 h c t i P H V P 4 B t e k c o S r o t c e n n o C 0 3 4 0 9 3 2 3 1 6 0 0 3 J t e k c o S...

Page 50: ...6 9 7 0 4 3 0 4 R 6 8K 0603 1 10W 1 RC0603FR 076K8L R4018 R4020 R4021 R4022 R4023 R4028 07 90103 00 Chip Resistor 10K 0603 1 10W 5 RC0603JR 0710KL r o t s i s e R p i h C 0 0 2 0 0 1 9 7 0 7 0 0 4 R 1...

Page 51: ...3 9 C C9301 C9303 C9306 C9309 C9310 C9329 26 10411 00 Ceramic Chip Capacitor 100nF 16V 0603 X7R 10 R 7 X 3 0 6 0 V 5 2 K n 0 0 1 r o t i c a p a C p i h C c i m a r e C 0 1 1 2 4 0 1 6 2 2 3 3 9 C C9...

Page 52: ...OOTLOAD BOARD N O I T P I R C S E D O N T R A P O N T I U C R I C 01 19205 00 Bootload Board 02 19205 00 Bootload Board SMT A16 19205 21 Bootload Board PCB VM1 0 FR 4 1 6mm 2Layers 1oz TG130 51 24 5mm...

Page 53: ...6 19209 22 FPP BOARD PCB VM2 0 FR 4 1 6mm 4Layers 1oz TG130 ICS R T T K 3 3 A 3 6 9 1 L T r o t a l u g e R 3 3 3 6 9 1 0 3 0 1 0 0 9 U U9002 U9003 U9004 U9006 03 00717 01 TinyLogic UHS Dual Buffer wi...

Page 54: ...L r o t s i s e R p i h C 0 0 1 0 1 5 9 7 0 6 1 R 5 1K 0603 1 10W 1 RC0603FR 075K1L r o t s i s e R p i h C 0 0 3 0 0 1 9 7 0 0 5 R 100K 0603 1 10W 1 RC0603FR 07100KL r o t s i s e R p i h C 0 0 2 7 4...

Page 55: ...2 5 2 2 2 4 0 r o 2 2 6 U 22 5792MHz C3398 22 579200MHz SMD 5 7 R T Z H M 6 7 5 4 2 T 3 D T R S r o t a l l i c s O 9 0 2 5 4 2 2 4 0 8 1 6 U 7 5 D M S z H M 6 7 5 4 2 1 9 3 3 C z H M 6 7 5 4 2 O X C...

Page 56: ...0W 5 RC0603JR 0733RL R7032 R7050 R7051 R7052 R7053 R7054 R7055 R7056 R7057 R7058 R7059 R7060 R7061 R7111 R7112 R7113 R7114 R7115 07 93309 00 Chip Resistor 33 0603 1 10W 1 RC0603FR 0733RL 9 3 r o t s i...

Page 57: ...0 2 G Y B e d o i D r e i f i t c e R t s a F r e p u S 0 0 0 2 0 0 2 3 3 2 0 1 D 1 0 0 0 2 0 0 3 3 3 0 1 D Transient Voltage Suppressor P4SMA200A D104 D105 D106 D107 D108 D109 D110 D111 D112 D113 D1...

Page 58: ...R165 R166 R167 07 90102 06 Chip Resistor 1K 2512 1W 5 Y S L 0 1 7 0 0 2 K C S C T N 0 0 1 8 3 2 7 7 0 A 1 0 1 H T K 0 0 2 r o t s i s e R m l i F e d i x O l a t e M 2 0 4 0 2 0 3 7 0 2W 5 CAPACTIOR...

Page 59: ...3 1 1 0 1 J n i p 4 m m 6 9 3 h c t i P H V P 4 B t e k c o S r o t c e n n o C 0 3 4 0 9 3 2 3 1 2 0 1 J FUSES V 0 5 2 A 5 T A H 0 5 0 T E 5 e s u F 3 0 2 0 5 2 1 0 2 A 1 0 1 E S U F MECHANICAL PARTS...

Page 60: ...4 2 1 6 C 3 2 1 6 C C6000 C6029 C6030 C6034 C6041 C6102 C6111 C6129 C6130 C6183 26 10421 10 Cermatic Chip Capacitor 100nK 25V 0603 X7R C6064 C6131 C6122 C6054 26 33051 01 Ceramic Chip Capacitor 33PJ 5...

Page 61: ...e R p i h C 0 0 3 0 1 5 9 7 0 3 4 1 6 R 2 4 1 6 R 510K 0603 1 10W 1 RC0603FR 07510KL r o t s i s e R p i h C 0 0 3 4 3 6 9 7 0 0 5 1 6 R 634K 0603 1 10W 1 RC0603FR 07634KL r o t s i s e R p i h C 0 0...

Page 62: ...c t i w S 7 1 8 4 1 4 4 3 3 1 0 5 9 D 0 0 5 9 D CAPACTIOR C9503 C9510 C9528 C9535 26 10151 02 ceramic capacitor 100pJ 50V 1206 NPO C9505 C9508 C9530 C9533 26 18151 01 ceramic capacitor 180pJ 50V 0805...

Page 63: ...Chip Resistor 16K 0805 1 8W 1 RC0805FR 0716KL K 2 2 r o t s i s e R p i h C 1 0 2 0 2 2 9 7 0 5 5 5 9 R 4 5 5 9 R 0805 1 8W 1 RC0805FR 0722KL K 7 4 r o t s i s e R p i h C 1 0 2 0 7 4 9 7 0 1 4 5 9 R...

Page 64: ...L 270mm Connect J1012and RS232 J9304 14 19204 00 Connector Wire UL2547 24 3C L 130mm Connect J1004 and RS232 J9306 14 19204 01 Connector Wire UL1691 24AWG 1C 2 L 140mm METAL PARTS 70 267007 1 Main To...

Page 65: ...R C S E D O N T R A P O N T I U C R I C A16 28101 21 HTRM2 Board PCB VM1 0 FR 4 1 6mm 2Layers 1oz TG130 DIODES D100 D101 D102 D103 D104 D105 D106 D107 D110 33 50603 21 Red LED Red WR PB1608UE L08 D11...

Page 66: ...n I B S U 9 5 1 0 0 8 0 7 1 0 0 1 J CRYSTAL l a t s y r C 3 0 1 0 0 8 1 4 0 0 0 1 Y 8 000MHz 20pF 30PPM MJ2 8 000 20P 30 30Y 0 6 0 1 0 5 0 3 0 2 M 0 0 0 0 8 F B I l a t s y r C 8 0 1 0 0 8 1 4 0 N r...

Page 67: ...Black 523mmX478mmX92 5mm 89 355003 0 Accessory Pulp Black 286mmX180mmX47mm 89 355004 0 Shoe Cover Pulp Black 118mmX111mmX14mm 88 355003 0A Cables Box OD 306mmX187mmX52mm 90 355002 1 woven bag L658 W5...

Page 68: ...68...

Page 69: ...S 1 a i c s a F r a e R 0 3 0 0 2 8 3 0 7 1 0 0 F 8 0 1 X 4 M w e r c S d a e H x e H 1 0 1 5 4 2 2 1 6 7 0 0 S 1 d r a o B P P F 0 0 9 0 2 9 1 1 0 2 0 0 F F003 70 382006 0A Right Front Fascia 1 S008...

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