NAD-C388-int-sm维修电路原理图.pdf

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1、 Hybrid Digital DAC Amplifier Hybrid Digital DAC Amplifier SERVICE MANUAL C388 C388 1 Preliminary RadioFans.CN 收音机爱 好者资料库 FRONT / REAR VIEW 4 5 1 2 3 TROUBLE SHOOT 6-13 14-31 PCB LAYOUT ELECTRICAL PARTS LIST Preliminary RadioFans.CN 收音机爱 好者资料库 SPECIFICATIONS 1 Preliminary RadioFans.CN 收音机爱 好者资料库 1 P

2、OWER INDICATOR 2 STANDBY BUTTON 3 NAVIGATION AND ENTER BUTTONS 4 HEADPHONE 5 DISPLAY 6 REMOTE SENSOR 7 SOURCE 8 VOLUME VOLUME SOURCE NAD C388 Hybrid Digital DAC Amplifier C 388NAD 78123465 100-120V/220-240V50/60Hz POWER ON Serial No./N de serie SPEAKERS B LEFTRIGHT SERVICE BT ANTENNA GND SPEAKERS A

3、LEFTRIGHT RS232 12 PHONO INLINE 1 INPRE-OUT/SUBW 1 2 L R L IR IN RR L MM LINE 2 IN IN R L TRIGGER +12V NAD C388 OPTICAL INCOAXIAL IN OUT M o d u l a r D e s i g n C o n s t r u c t i o n M o d u l a r D e s i g n C o n s t r u c t i o n 10111213 612345789 1 COAX 1-2, OPT 1-2 2 PHONO IN, LINE 1-2 IN

4、3 PRE-OUT/SUBW 4 IR IN/IR OUT 5 TRIGGER +12V 6SPEAKERS 7 POWER 8 FUSE HOLDER 9 AC MAINS INPUT 10 SERVICE 11 BLUETOOTH ANTENNA TERMINAL 12 GROUND TERMINAL 13 RS 232 FRONT VIEW REAR VIEW 2 Preliminary RadioFans.CN 收音机爱 好者资料库 WIRING DIAGRAM 3 Preliminary RadioFans.CN 收音机爱 好者资料库 Signal Power control Mai

5、n MCU NAD C388 BLOCK DIAGRAM SI9573 HDMI Transceiver MCU TM4C1230H6PM DC/DC AND LDO 3.3V 5.0V 1.3V HDMIIN 3 HDMIIN 2 HDMIIN 1 HDMIOUT IIS switcher NC7SV157X3 46 pin board-board socket IIS3 INT0 IIC GPIO0-4 SPI 12VEN LDO 46 pin board-board socket IIS4 INT1 IIC GPIO5-9 SPI A12VEN IIS BUFFER NC7SV157ch

6、 0 ch 1 HDMI card SPI IIC GPIO0-11 INT0-1 ESD DIODE E-GPO E-GPO DIGITALDIGITAL LDO 12.5V IIS Main3 +13.8V +13.8V 3.3VD 12.5V POWER SWITCH LN 6.3AT/250V SMPS LOGIC BUFFER TRIG OUT TRIG IN IR IN GPIO IR ; TRIG Low leakage SMPS GPIO SPI_FPP CS8416 Plug indetect Front panel TFT DISPLAY STANDBY IR VOLUME

7、 LED BlueOS card SPDIF RX ANTENNA MINI USB Ethernet USB HUB Applications Processors MCIMX535 USB2514 Hub Controller 74LVC257A LAN8720 BTM511 NC7SV157 74LV244 ATSAM3N00A MMIN PHONO AMP LINEIN1 OPAMP CLC2059 mute LINE1/SUB1 OPAMP CLC2059 HD AMP mute HP Tact switch Headphone SOURCE Tact switchTact swit

8、ch RS232 COAX 1 COAX 2 OPTO1 OPTO2 SPDIF IN IR OUT Asynchronous SRC SRC4382 NC7SV157 Audio serial Port A Audio serial Port B Digital interface Receiver SRC CLOCK 24.576M DAC MODULE PCM1795 NJW1194 Volume Digital Volume TONEControl AMP LP1&2 LN1&2 RP1&2 RN1&2 SPEAKER A 2X150W 8ohm Clipping LME49860 C

9、P ClippingControl 1XOPA2134 +/-VCC Current sense EXT_VDR 3V3D IIC IIS Main2 IIS L&R LME49725 GPIO SPI I2C GPIO USB +7.5VA 3V3D 1V8D +/-7.5VA DAC MODULATOR FILTER L R MCLK OPAMP LOW PASS filter SPEAKER B L CHR CH L CHR CH +12VR +12VR +12V mute OPAMP LOW PASS filter LINE2/SUB2 CLC2059 3.3VS MCU STM32F

10、030RCT6TR LCD driver +/-VCC +/-VCC VAUX+/- LDO KA78R12 DC/DC TPS54327 LDOLDO 3V3D 1V8D Digital supply +13.8V TLV1117 5VD 3.3VS LDO LM317 /LM337 +/-7.5VA TI TM4C1290 SPI_FPP LCD driver +13.8V TLV1117 IIC DC/DC TPS54040 3V3S control OPAMP HI PASS CLC2059 OPAMP HI PASS CLC2059 +12V AC_DET GPIO GPIO GPI

11、O GPIO CONTROLLER STBY EXT_VDR EXT_VDR UCD102MP +/-12V +/-12V +/-12V +/-12V+/-12V Amber/Blue/Red Analog supply +/-12V Enable Detector Bluetoothmodule 8670 IIS 3V3S CLC2059 VAUX+ -12V LDO LM337 +12V 13V8 +12VR GPIO 5VA 3V3D +/-12V +/-12V 7WV17 IIS BUFFER NC7SV157 3V3D GPIO MENU Type A USB USB SWITCH

12、TS3USB3000 GPIO 0 1 TS3USB3000 0 1 USB 3V3D +/-12V +/-12V +/-12V LDO TLV1117 3V3L DC/DC XRP7675 5VS FRONTUSB SUPPLY BT_L/R IN BT_L/R IN +/-12V Analog SENSE 3V3S GPIO FAULT_DET TRANS_TEMP VAUX- +13.8V LINEIN2 CLOCK 8M Digital SENSE 3V3S GPIO CS8416 OPA2348 NE5532 SN74LVC1G123 GPIO CLK Detctor VM1.0 B

13、LOCK DIAGRAM 4 Preliminary RadioFans.CN 收音机爱 好者资料库 YES Check STB board Check main board 13.8V RIGHT? NONO Front panel Standby led No Power or Power shuts off immediately 3V3S RIGHT? NO Check U456 YES Check Q703 Q706 circuit Change FPP board,MDC board YES NO Press Standby button switch standby led bl

14、ue light? YES change PSU board Check LEDBright Control signal YES standby led turn off? standby led red light? YES NO red light YES Check Q702 Q706 circuit Change FPP board,MDC board Check LEDBright Control signal Check Q701Q706 circuit Change UCD102 MODULE Finish Apply 1khz sinewave to RCA input of

15、 DUT Amplifier output correct? YES NO IPRC IPRH signal correct? YES Change UCD102 MODULE check+/-15V,+/-7.5VRight? NO checkU461 U463 U464 U465 Circuit NO change MAIN board YES checkU103 U104 U110 Circuit change MAIN board TROUBLE SHOOTING 5 Preliminary RadioFans.CN 收音机爱 好者资料库 C368 & C388 PHONE BOARD

16、 6 Preliminary RadioFans.CN 收音机爱 好者资料库 C368 & C388 MDC INTERNAL BOARD 7 Preliminary RadioFans.CN 收音机爱 好者资料库 C368 & C388 MDC BOARD 8 Preliminary RadioFans.CN 收音机爱 好者资料库 C368 & C388 AUDIO SENSE BOARD 9 Preliminary RadioFans.CN 收音机爱 好者资料库 C368 & C388 AUDIO SENSE INTERNAL BOARD 10 Preliminary RadioFans.

17、CN 收音机爱 好者资料库 C368 & C388 FPP BOARD 11 Preliminary RadioFans.CN 收音机爱 好者资料库 C388 MAIN BOARD TOP LAYER 12 Preliminary RadioFans.CN 收音机爱 好者资料库 C388 MAIN BOARD BOTTOM LAYER 13 Preliminary RadioFans.CN 收音机爱 好者资料库 Power Supply 2 1 3 4 D102 TS25P05G R127 2M AC120V /AC230V MAIN IN TH101 5D-11 FUSE101 T10AL2

18、50V CY102 NC CY103 NC R128 2M C111 270uF,63V C109 270uF,63V C112 270uF,63V C110 270uF,63V C139 1.2nF/200VR163 22R/1206 C140 1.2nF/200V R164 22R/1206 V+ V- Q119 IRFB4020 Q113 BC807-25 D112 BAS321 R119 22R D114 BAS321 V+ V- Q118 IRFB4020 Q112 BC807-25 D106 BAS321 R115 22R D113 BAS321 Q120 IRFB4020 Q11

19、5 BC807-25 D115 BAS321 R120 22R D117 BAS321 Q121 IRFB4020 Q114 BC807-25 D107 BAS321 R116 22R D116 BAS321 9 10 TR101G SC7316 12 11 TR101F SC7316 13 14 TR101D SC7316 8 10 TR101E SC7316 GNDP Q116 FDP22N50N Q111 BC807-25 D109 BAS321 R118 22R D111 BAS321 Q117 FDP22N50N Q110 BC807-25 D108 BAS321 R117 22R

20、D110 BAS321 C137 330nF/275VAC C138 330nF/275VAC 4 5 TR101B SC7316 R161 0R33 R162 0R33 1 2 TR101A SC7316 6 7 TR101C SC7316 1 2 3 J101 CON3-3.96 GNDP C123 820uF,200V C124 820uF,200V R107 220K R108 220K R109 220K R106 220K T 1 T 2 G 3 Q108 BT138X-600F C116 10nF/630V R150 150R R151 150R C141 50V/1nF C14

21、2 50V/1nF D123 MURA220T3 D124 MURA220T3 C143 470uF,50V C144 470uF,50V GND1 12VD HV OP101 PC817 L107 330R/1.5A L108 330R/1.5A R166 22R/1206 R165 22R/1206 +42V - 42V GND L10122uH C129 10nF/630V C130 10nF/630V GNDP C H C J H J K K C121 100nF/50V C120 100nF/50V GNDP CX101 220nF/250VAC 1 2 3 4 5 6 7 8 9

22、AC-L AC-N HV-DC AC-DEC AC-SW TBD VCC DC-DET GND MOD901 MAC SWL AC2AC1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J102 15PIN R948 4.99K R949 4.99K C943 10N R950 390K R951 390K AC2 AC1 GNDP A 1 K 2 A/K 6 A/K 4 U909 =Value R903 2k SWL R901 2M R902 2M C927 100N C920 100uF,35V C931 100P C915 100N 50V R932 10K V

23、 V GND in o V dis U906=Value R935 1K R943 2K C928 100uF,35V STB VDP 12VD C 12VD C GNDP GNDP 12 43 L106 20mH L N K500 Relay-SPST D500 1N4148 12VD GNDP GND2 14VD R110 2.2K C181 1000uF/25V * * * * R114 4.99K 1% C180 1000uF/25V * * * * C108 220nF/50V 23 1 IC102 TL431 R112 20k R111 1k R113 24K 1% D964 MU

24、RS120 C973 100uF,35VVDP C182 100N D800 UG2007 C804 47uF/35V D801 MURS120 2 1 3 4 BD800 KBP308G C800 3.3nF/630V C801 47uF/400V CD263 C803 4.7nF/400V R804 68K 2W R805 2.2R L802 L-3 1206RC 1206RC C 3 S 5 X 2 V 1 D 7 F 4 U800 TOP266EG C802 100P C805 100nF/50V C806 47uF/25V R815 6.8R R812 8.2K 1% R814 18

25、0K DW800 18V/3W SMB B CE Q882 3904 R816 22RR855 22R R810 3.3M R811 3.3M R807 5.1M R806 5.1M R809 3.3M R808 5.1M HT HT 1 2 3 D802 SBR20A150C C870 47uF/400V CD263 U904EL817 CY905 1N 400V AC1 AC2 FG =Value CY908 1N 400V GNDP1 GNDP1 GNDP1 GNDP C155 270uF,63V C156 270uF,63V 2 12 1 3 11 10 5 7 8 14 13 T10

26、5 PQ3225 D182 MURA220T3 L183 330R/1.5A C186 470uF,50V L184 330R/1.5A +15VDRin 1 out 2 gnd 3 vd 4 U204 KA72R15 R185 10K C188 470uF,50V -15VDR C187 470uF,50V 14VD DET GND2 STB 1 2 3 4 J175 CON3 +18VD -18VD GND1 -18VD +18VD 1 2 3 4 J909 CON3 GNDP R870 68K 2W C160 10nF/630V C161 10nF/630V -15VDR GND2 R1

27、88 1K GND1 +15VDR C191 NC C192 NC 11 7 9 10 1 3 14 13 T102 PQ-2604 R135 10K D120 BAS321 R147 2.2k DW102 PDZ3.3B C135 1UF/25V DET CX106 470nF/250VAC R199 0R33 1 2 3 4 J177 CON3 CY105 2.2nF/AC250V CY106 2.2nF/AC250V Fl 1 2 J908 R175 NC R176 NC C175 NC C800 4.7UF/25V C804 1UF/25V SS 1 RTD 2 CT 4 CS 3 V

28、DD 8 OUTB 7 OUTA 6 GND 5 IC800ISL6744ABZ C802 220P C803 180P R800 68K C805 220nF/50V R801 10R SS R802 10R C801 100P SS B CE Q800 2SC3326 R805 47K R803 100R R816 2.7K R810 4.7K R814 20K R812 100k C807 1nF/50V 12VD 3 2 1 84 U800A LM393 5 6 7 U800B LM393 C811 100nF/50V R809 4.7k R811 22K C810 100nF/50V

29、 C806 47uF/35V R808 4.7k R804 100R B CE Q802 BC846BW EC B Q801 BC856BW D800 BAS316 R807 4.7k R806 47k R818 10K R813 100k C809 1nF/50V C812 2.2uF/16V R815 47K NC R817 10K 2V 1V 10V-1.2V C C1 H1 A1 C1 H1 J1 J1 A1 A1 K1 K1 C808 1nF/50V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J800 15PIN Preliminary RadioFan

30、s.CN 收音机爱 好者资料库 01-1-061110UcD102 Module 1 01-1-061102Main Board 02-1-061102Main Board SMT 05-4-061102-1SMain Board PCBVM1.0,FR-4,1.6mm,280?70mm 05-3-061102-1S MAIN+USB+HP+RS232+BT ASSY VM1.0,FR-4,1.6mm,290*189mm 12-1-000022High speed Diode1N4148W-NRD111, D400, D401, D505, D504 12-1-000231Schottky D

31、iodeBAT54S, SOT23D402 12-1-000016Schottky Rectifier DiodeBAT54JD421 12-1-000021Diodes1SS355TE-17 D105, D106, D300, D301, D403, D404, D405, D406, D407, D408, D409, D410, D411, D412, D413, D414, D415, D416, D417, D418, D419, D420, D422, D458, D459, D461, D425, D426 12-1-000186SCHOTTKY DIODEB240A-13-FD

32、457 12-1-000010 Surface Mount Schottky Barrier Rectifier SS12 SMAD455 12-1-000068Zener Diode SMDBZT52C15,15V,350mWD104 12-1-000019Switch DiodeBAV99W-7-FD113, D114 13-1-000018P-CH MOSFETAPM2301Q304, Q457 13-1-000013 transistorBCM 856SQ102 13-1-000004Digital transistorDTA114EKAQ403, Q404, Q501, Q502,

33、Q503, Q510 13-1-000005Digital transistorDTC114EKAQ104, Q302, Q303, Q400, Q402, Q455, Q458, Q505, Q504, Q412, Q413 13-1-000021PNP TransistorZX5T955GQ410 13-1-000045TransistorFZT493Q509, Q508 13-1-000279Transistor2SC3326-A,LFQ401, Q406, Q407, Q408, Q409, Q506, Q507 ,Q411 or 13-1-000108Transistor2SC332

34、6-A(TE85L,F), SC-59Q401, Q406, Q407, Q408, Q409, Q506, Q507 ,Q411 13-1-000016Transistor 2SA1312GR(TE85L,F) TO- 236MOD Q101 11-1-000798DC/DC Switching ConvertersTPS54040DGQRU456 11-1-000803STEP DOWN SWITCHERTPS54327DDARU455 11-1-000293ESD protectTPD2E009DBZRD308 11-1-000245Audio AttenuatorNJW1194V-TE

35、1U103 11-1-001030Dual OpAmpCLC2059U104, U406, U407, U408, U409 11-1-000019Dual OPAMPNE5532ADRU400, U401, U402, U403 11-1-000266QUAD OPAMPOPA1654U105, U110 11-1-000011Linear RegulatorTLV1117LV33DCYU458 11-1-001090Linear RegulatorTLV1117LV18DCYU308 11-1-000008Shift Register74HC595PW,118U410 11-1-00056

36、22:1 multiplexerNC7SV157P6XU303, U304, U305 11-1-000009SCHMITT DRIVERNC7WZ17P6XU302, U309, U310, U411 11-1-000455SRCSRC4382IPFBU301 11-1-001214 monostable multivibratorSN74LVC1G123DCTRU311 11-1-000087BufferSN74AHC1G125DCKRU901, U902 11-1-000621Digital Audio ReceiverCS8416-CZZU900 ELECTRICAL PARTS LI

37、TST 14 Preliminary RadioFans.CN 收音机爱 好者资料库 21-1-000001Chip resistor0, 0603, 5% R188, R310, R311, R312, R313, R314, R315, R316, R317, R318, R319, R364, R365, R366, R367, J301, R4149, R498, 21-1-000011Chip Resistor3.3,0603,1/10W,5%R4156 21-1-000013Chip Resistor3.9,0603,1/10W,5%R4157 21-1-000410Chip Re

38、sistor4.7,0603,1/10W,5%R306, R307 21-1-000035Chip resistor10,0603,1/10W,1% R184, R185, R189, R190, R374, R4147, R4148, R4151, R4152, R4153, R4154, R4155, R4159 21-1-000078Chip resistor33,0603,1/10W,1% R320, R321, R322, R323, R324, R325, R326, R371, R372, R373, R375, R4143, R4144, R4145, R397, R901,

39、R907, R911 21-1-001103Chip resistor47,0603,1/10W,1%R346, R347, R348, R349, R350, R351, R352, R353 21-1-001163Chip resistor51,0603,1/10W,1%R464, R465 21-1-000019Chip resistor100,0603,1/10W,1% R334, R335, R336, R337, R338, R339, R340, R341, R342, R343, R4131, R4132, R4141, R4142, R151, R152, R171, R17

40、8, R903, R905 21-1-000040Chip resistor 120,0603,1/10W, 1%,RC0603FR-07120RL R344, R345, R369 21-1-000057Chip Resistor220,0603,1/10W,1%R446, R447, R448, R449, R479, R480, R527, R528 21-1-000853Chip resistor243,0603,1/10W,1%R478 21-1-000022Chip resistor 1K,0603,1/10W, 1%,RC0603FR-071KL R308, R309, R332

41、, R445, R509, R508, R450, R451, R452, R453, R516, R517, R523 21-1-000757Chip resistor2K,0603,1/10W,1%R4158 21-1-000924Chip resistor3K,0603,1/10W,1%R902 21-1-000072Chip resistor2.7K,0603,1/10W,1%R179, R180 21-1-001563Chip resistor2.87K,0603,1/10W,1%R529, R530 21-1-001046Chip resistor 4.02K,0603,1/10W

42、, 1%,RC0603FR-074K02L R164 21-1-000088Chip resistor4.7K,0603,1/10W,1%R154, R155, R504, R510, R503, R507, R439, R440, R441, R398, R399 21-1-000024Chip resistor 10K,0603,1/10W, 1%,RC0603FR-0710KL R182, R183, R327, R328, R329, R363, R466, R4104, R4105, R4140, R4150, R500, R511, R4160, R502, R166, R474,

43、 R457, R396, R900, R904, R912, R909, R910 21-1-000061Chip resistor 22K,0603,1/10W, 1%,RC0603FR-0720KL R362, R150, R494, R495, R496, R497, R388, R389, R390, R391 21-1-000716Chip resistor 18K,0603,1/10W, 1%,RC0603FR-0718KL R167 21-1-000953Chip resistor31.6K,0603,1/10W,1%R467 21-1-001594Chip resistor 4

44、3K,0603,1/10W,1%, RC0603FR-0743KL R168 21-1-000090Chip resistor 47K,0603,1/10W, 1%,RC0603FR-0722KL R170, R356, R357, R358, R359, R360, R361, R442, R455, R906, R908, R913, R916 21-1-001243Chip resistor 62K,0603,1/10W, 1%,RC0603FR-0762KL R520 21-1-000027Chip resistor 100K,0603,1/10W, 1%,RC0603FR-07100

45、KL R443, R444, R459, R499, R475, R437, R438 21-1-000043Chip resistor120K,0603,1/8W,1%R106, R181 21-1-000697Chip Resistor 165K,0603,1/10W, 1%,RC0603FR-07115KL R462 21-1-000991Chip Resistor 332K,0603,1/10W,1%, RC0603FR-07365KL R460 21-1-000965Chip Resistor330K,0603,1/10W,1%,R172, R173 21-1-000092Chip

46、Resistor470K,0603,1/10W,1%,R132 21-1-000800Chip Resistor2.2M,0603,1/10W,1%R108, R109, R110, R111, R537, R538 21-1-000002Chip resistor0, 0805, 5%R506,R539, R546 21-1-000036Chip Resistor10,1/8W,1%,0805R333, R505 21-1-001316Chip Resistor75,1/8W,1%,0805R301, R302 21-1-000020Chip Resistor100,1/8W,1%,0805

47、 R156, R157, R158, R159, R160, R161, R162, R163, R300, R436, R4133, R4134, R4135, R4136, R4137, R193, R194, R195, R196, R535 15 Preliminary RadioFans.CN 收音机爱 好者资料库 21-1-000554Chip Resistor1.1K,0805,1/8W,1%,R4102, R4103 21-1-000148Chip Resistor 10K,0603,1/10W, 5%,RC0603JR-0710KL R548 21-1-000055Chip

48、Resistor2K,0805,1/8W,1%,R476 21-1-000108Chip Resistor6.8K,0805,1/8W,1%,R174, R175, R176, R177, R422, R423, R424, R425 21-1-000025Chip Resistor10K,0805,1/8W,1%R434, R435 21-1-000062Chip Resistor22K,0805,1/8W,1%R481, R376, R377, R378, R379, R484, R485 21-1-000822Chip Resistor22.1K,0805,1/8W,1%R456 21-

49、1-001211Chip Resistor 56.2K,0805,1/8W, 1%,RC0805FR-0756K2L R120, R121, R486, R487, R533, R534 21-1-001321Chip Resistor78.7K,0805,1/8W,1%R463 21-1-000604Chip Resistor124K,0805,1/8W,1%R461 21-1-000898Chip Resistor270K,0805,1/8W,1%R116, R117 21-1-000811Chip resistor 22,1206,1/4W,1%,RC1206FR- 0722RL R426, R427, R428, R429, R430, R431, R432, R433 21-1-000037Chip Resistor10,1206,1/4W,1%R4100, R4101 21-1-000501Chip Resistor1K,1206,1/4W,1%R100, R101, R382, R383, R147, R148, R531, R532, R420, R421 21-1-001746Chip Resistor 1.15K,1206,1/4W, 1%,RC1206FR-071K1