NAD-C368-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 C 368 C 368 1 RadioFans.CN 收音机爱 好者资料库 SPECIFICATION 2 RadioFans.CN 收音机爱 好者资料库 C368 WIRING DIAGRAM 3 RadioFans.CN 收音机爱 好者资料库 Signal Power control Main MCU NAD C368 BLOCK DIAGRAM SI9573 HDMI Transceiver MCU TM4C1230H6PM DC/DC AND

2、 LDO 3.3V 5.0V 1.3V HDMI IN 3 HDMI IN 2 HDMI IN 1 HDMI OUT IIS switcher NC7SV157X3 46 pin board-board socket IIS3 INT0 IIC GPIO 0-4 SPI 12V EN LDO 46 pin board-board socket IIS4 INT1 IIC GPIO 5-9 SPI A12V EN IIS BUFFER NC7SV157ch 0 ch 1 HDMI card SPI IIC GPIO 0-11 INT 0-1 ESD DIODE E-GPO E-GPO DIGIT

3、ALDIGITAL 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 in detect Front panel TFT DISPLAY STANDBY IR VOLUME LED BlueOS card SPDIF RX ANTENNA MINI USB Ethernet USB HUB Applicat

4、ions Processors MCIMX535 USB2514 Hub Controller 74LVC257A LAN8720 BTM511 NC7SV157 74LV244 ATSAM3N00A MM IN PHONO AMP LINE IN1 OPAMP CLC2059 mute LINE1/SUB1 OPAMP CLC2059 HD AMP mute HP Tact switch Headphone SOURCE Tact switchTact switch RS232 COAX 1 COAX 2 OPTO1 OPTO2 SPDIF IN IR OUT Asynchronous SR

5、C SRC4382 NC7SV157 Audio serial Port A Audio serial Port B Digital interface Receiver SRC CLOCK 24.576M DAC MODULE PCM1795 NJW1194 Volume Digital Volume TONE Control AMP LP1&2 LN1&2 RP1&2 RN1&2 SPEAKER A 2X80W 8ohm Clipping OPA1654 CP Clipping Control OPA1654 +/-VCC Current sense EXT_VDR 3V3D IIC II

6、S 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 CH R CH +12VR +12VR +12V mute OPAMP LOW PASS filter LINE2/SUB2 CLC2059 3.3VS MCU STM32F030RCT6TR LCD driver +/-VCC +/-VCC VAUX+/- LDO KA78R12 DC/DC TPS543

7、27 LDOLDO3V3D 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 GPIO GPIO CONTROLLER STBY EXT_VDR EXT_VDR UCD102MP +/-12V +/-12V +/-12V

8、 +/-12V+/-12V Amber/Blue/Red Analog supply +/-12V Enable Detector Bluetooth module 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 TS3USB3000 GPIO 0 1 TS3USB3000 0 1 USB 3V3D +/-12V +/-12V +/-12V LD

9、O TLV1117 3V3L DC/DC XRP7675 5VS FRONT USB SUPPLY BT_L/R IN BT_L/R IN +/-12V Analog SENSE 3V3S GPIO FAULT_DET TRANS_TEMP VAUX- +13.8V LINE IN2 CLOCK 8M Digital SENSE 3V3S GPIO CS8416 OPA2348 NE5532 SN74LVC1G123 GPIO CLK Detctor VM1.0 Bridge control Bridge control C368 BLOCK DIAGRAM 4 RadioFans.CN 收音

10、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 blue light? YES change PSU board Check LEDBr

11、ight 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 DUT Amplifier output correct? YES NO IPRC

12、 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 C368 Trouble shooting 5 RadioFans.CN 收音机爱 好者资料库 C368 & C388 PHONE BOARD 6 RadioFans.CN 收音机爱 好者资料库 C368 & C388 MDC INTERN

13、AL BOARD 7 RadioFans.CN 收音机爱 好者资料库 C368 & C388 MDC BOARD 8 RadioFans.CN 收音机爱 好者资料库 C368 & C388 AUDIO SENSE BOARD 9 RadioFans.CN 收音机爱 好者资料库 C368 & C388 AUDIO SENSE INTERNAL BOARD 10 RadioFans.CN 收音机爱 好者资料库 C368 & C388 FPP BOARD 11 RadioFans.CN 收音机爱 好者资料库 J807 C446 R OUT C322 C133 Q106 Q107 C429 J502

14、C400 Analog sense Q408 C314 R537 R538 PHONO MODULE R110 R4159 0610 MAIN Vm1.0 C321 R1101 R152 C155 C4130 BT Antenna BT Antenna JK400 J500 BT Antenna J401 0610 HP Vm1.0 G GL G R 0610 USB Vm1.0 J800 D804 R832 C804 R IN+R IN- D807 36 35 C379 D459 D458 2 L OUT 1 R393 L IN- L IN+ Q101 (+35V_AMP) TP102 Q4

15、56 Q455 C169 TP101 G G C389 R1102 C324 R150 R391 R390 C154 R169 D104 R505 +12VR C505 R511 R504 C501 C503 R510 Q507 Q505 Q503 R509 C323 R503 C504 C500 Q506 C502 R507 Q504 Q502 R508 R474 R506 Q509 D105 R151 Q102 R168R475 R164 +13.8V R1104 D106 R179 C170 C496 R181 C171 R170 Q126 C179 R172 TP100R173 Q12

16、5 R180 Q508 C1100 R1100 R167 VCL Bias R188 R178 C180 R182 R166 U105 D401 C421 C193 R440 R183 R171 RL400 J503 L500 R4162 R4163 R436 R435 R441 R426 C403 C432 C407 R4161 R408 C427 R410 R400 R432 R427 U400 R401 R433 U403 R416 R409C406 R550 C430 C474 R4152 D414 R514 R512 D413 C541 R551 RL501RL500 R372 C4

17、76 R914 R316 D305 D304 U310 R371 R315 R314 C336 C337 R915 R917 R916 U900 R918 FB455 L457 C521 R489 R488 C520 H452 C459 +7.5VA C471 C166 L606 C658 0610 MAIN Vm1.1 R650 U607 C613 C611J408 R651 R522 C609 C612 D427 D428 C449 C610 R4146 C448 C195 R4143 J404 U411 R4145 R4141 R4142 R4140 R4144 J407 13V8 R5

18、40 R539 C456 C4132 U410 J304 R4138 R4139 + G G - H455 U465 C4131 D457 3V3S R464 C481 C490 C495 D506 3V3 TX RX GND Q501 Q412 R521 Vm1.0 0610 RS232 BOARD J604 C4135 R4153 D415 D416 J303 R456 A-A: R342 R4104 Q457 R4105 C370 C391 A-A: R460 PS_CS 50 PS_SCK Q411 49 PS_DATA C455 R457 5V_EN R459 C4107 R462

19、U455 VA_CS VA_CLK R455 C4112 C4111 VA_DATA J405 3V3D_ENQ458 C4129 R326 R360 R358 R324 R361 R325 R356 R357 C473 C392 R396 R323 C361 R351 U311 R350 21 R321 R322 U302 C362 D303 R320 R312 R313 J406 C369 C352 R338 R362 R397 C353 R336 R337 C344 R305 R319 R349 U309 R335 Q303 R375 R374L302 C349 U305 P300 C3

20、50 R373 U303 C351 U304 R359 C340 C308 R309 R308 D302 D306 U300 U456 R466 R465 R463 C4115 C493 C486 L456 R467 C482 C469C483 R458 C4104 R461 C41133V3D C480 C457 L455 5VD U464 C4106 C485 H456H451 C435 U409 U308 D307 +12V C461 C441 U462 C438R4130 2 1 CON301 R4126 C440 U408 C434 R486 R4129R4125 C445 C436

21、 R4136 R4128 R487 C439 C444 C443C442 R4134 R4135 R4127 R4133 C339 R353 Q304 FB300 C326 CON300 C365 L301 C346 C345 R341 R363 U306 C347 R340 Q301 1V8 R939 TPG300 C342 R344 R343 C332 R339 R332 IIS_SCLK IIS_SDO IIS_LRCK MCLK D418 R909 R910 R352 R348 R345 R905 D417 R4154 C932 R903 U301 L900 R907 C343 C33

22、4 R347 R346 R908R913 R147 R148 +12V-12V -7.5VA Audio_SEN C366 1 J105 C367 J103 Q300 R177 R G L R494 U406 C401 R189 R184 C382 VCL- R382 R198 R194 R100 R102 R190 Q401 Q402 R439 VCL+R185 R193 C381 J400 C131 -18V C523 +18V R491 R490 U110 C522 R392 R199 R383 R196 R101 C458 R197 C132 R195 C130 R163 -12V H

23、458 R161 U104 U460 C175 U463 C174 C479 C163 C489 C478 C468 C487 C488 R4101 C477 R4100 U461 H457 C176 C187 R160 R4132 R158C420 R156 C128 R484 C162 R496 C526 C160 D407 R437 R452 C161 C129 C152 U103 C164 C165 C153 C151 R531 C150 R532 R450 D405 D404 R445 C433 R443 R498 C405 R411 R428 R412 U401R403 R404

24、C409 R417 R414 R405 U402 C540 R406 C539 U407 RL100 R162 R429 R159 R413 C188 R175 C402C408 C173 C172 R4131 R419R421 R415 R418 C426 R420 C404 C431R425 R423 R157 C524 C904 C535 C534 R4150 D461 C527 C425C525 J504 S101 R4156 R4157 R523 R520 J402 RL401 C452 C447 R438R448R449 R451 R453 R4147 D408Q409 Q406

25、R446 Q404 C533 Q405 R447 D406 Q407 J403 C532 C325 C123 C122 C127 R111 C126 J100 C112 C113 C537 R535 C538 C536 R300 C300 J101 R933U903 C931 R935 R936 R938 R934 C328 C313 U904 C930 C327 J300R937 C311 C316 C330 C315 R912 C914 U902 R932 C900 C901 C913 C319 C312 R904 C320 OP300 R911 C903 C902 U901 OP301R

26、901 R931 R900 C514 C515 Speaker out C528 C506 C509 C513 C512 C510 R515 R513 C517 C516 C507 C368 MAIN BOARD TOP LAYER 12 RadioFans.CN 收音机爱 好者资料库 C368 MAIN BOARD BOTTOM LAYER 13 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 T10AL250V CY10

27、2 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 Q115 BC807-

28、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 D110 BAS

29、321 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 C142 50V/1n

30、F 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 AC-L AC-

31、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 V GND i

32、n 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 MURS120 C9

33、73 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 180K DW800

34、 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 T105 PQ3225

35、 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 R188 1K GN

36、D1 +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 VDD 8 OUT

37、B 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 C806 47

38、uF/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 RadioFans.CN 收音机爱 好者资料库 01-1

39、-061001UcD102 Module 01-1-061002Main BOARD 02-1-061002Main BOARD SMT 05-4-061002-2SMain Board PCBVM2.0,FR-4,1.6mm,245?70mm 05-3-061002-2S MAIN+USB+HP+RS232 +BT ASSY VM2.0,FR-4,1.6mm255?87mm 1xMAIN,1xusb,1xHP,1xRS232,1xBT , 12-1-000022High speed Diode1N4148W-NRD111, D400, D401, D505, D504 12-1-000231

40、Schottky DiodeBAT54S, 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 DIODEB

41、240A-13-FD457 12-1-000010 Surface Mount Schottky Barrier Rectifier SS12 SMAD455 12-1-000068Zener Diode SMDBZT52C15,15V,350mWD104 12-1-000019Switch DiodeBAV99-7-FD113, D114 13-1-000036N-CHANNEL JFETMMBFJ108,SOT23Q127 or 13-1-000120N-CHANNEL JFETMMBF4391LT1GQ127 13-1-000004Digital transistorDTA114EKAQ

42、126 13-1-000005Digital transistorDTC114EKAQ125 13-1-000018P-CH MOSFETAPM2301Q304,Q457 13-1-000013 transistorBCM 856SQ102 13-1-000004Digital transistorDTA114EKAQ403, Q404, Q501, Q502, Q503 13-1-000005Digital transistorDTC114EKA Q104, Q302, Q303, Q400, Q402, Q455, Q458, Q505, Q504, Q412 13-1-000021PNP

43、 TransistorZX5T955GQ410 13-1-000045TransistorFZT493Q509, Q508 13-1-000279Transistor2SC3326-A,LF Q401, Q406, Q407, Q408, Q409, Q506, Q507, Q411 or 13-1-000108Transistor2SC3326-A(TE85L,F), SC-59 Q401, Q406, Q407, Q408, Q409, Q506, Q507, Q411 13-1-000016Transistor2SA1312GR(TE85L,F) TO-236MODQ101 11-1-0

44、00798DC/DC Switching ConvertersTPS54040DGQRU456 11-1-000803STEP DOWN SWITCHERTPS54327DDARU455 11-1-000293ESD protectTPD2E009DBZRD308 11-1-000245Audio AttenuatorNJW1194V-TE1U103 11-1-001030Dual OpAmpCLC2059U104, U406, U407, U408, U409 11-1-000019Dual OPAMPNE5532ADRU400, U401, U402, U403 11-1-000266QU

45、AD OPAMPOPA1654U105, U110 11-1-000011Linear RegulatorTLV1117LV33DCYU458 11-1-001090Linear RegulatorTLV1117LV18DCYU308 11-1-000008Shift Register74HC595PW,118U410 11-1-0005622:1 multiplexerNC7SV157P6XU303, U304, U305 11-1-000009SCHMITT DRIVERNC7WZ17P6XU302, U309, U310, U411 11-1-000455SRCSRC4382IPFBU3

46、01 11-1-001214 monostable multivibratorSN74LVC1G123DCTRU311 11-1-000087BufferSN74AHC1G125DCKRU901, U902 11-1-000621Digital Audio ReceiverCS8416-CZZU900 ELECTRICAL PARTS LIST 14 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, R31

47、9, R364, R365, R366, R367, J301, R4149, R498, R933, R934 21-1-000002Chip resistor0,0805R550, R551, R4163 21-1-000027Chip resistor100K,0603R1104 21-1-000032Chip resistor10M,0603R1103 21-1-000011Chip Resistor3.3,0603,1/10W,5%R4156 21-1-000013Chip Resistor3.9,0603,1/10W,5%R4157 21-1-000410Chip Resistor

48、4.7,0603,1/10W,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, R907,

49、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, R178, 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 21-1-000853Chip resistor243,0603,1/10W,1%R478 21-1-000057Chip resistor220,0603,1/10W,1%R479, R480, R527, R528 21-1-000022Chip