NAD-C368-int-sm 维修电路原理图.pdf
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1、Hybrid Digital DAC Amplifier Hybrid Digital DAC AmplifierSERVICE MANUAL C 368 C 3681RadioFans.CN 收音机爱 好者资料库SPECIFICATION2RadioFans.CN 收音机爱 好者资料库C368 WIRING DIAGRAM3SignalPowercontrolMain MCUNAD C368 BLOCK DIAGRAMSI9573HDMI TransceiverMCUTM4C1230H6PMDC/DC AND LDO3.3V 5.0V 1.3VHDMI IN 3HDMI IN 2HDMI I
2、N 1HDMI OUTIIS switcherNC7SV157X346 pin board-board socketIIS3INT0IICGPIO 0-4SPI12V ENLDO46 pin board-board socketIIS4INT1IICGPIO 5-9SPIA12V ENIIS BUFFERNC7SV157ch 0ch 1HDMI cardSPIIICGPIO 0-11INT 0-1ESDDIODEE-GPOE-GPODIGITALDIGITALLDO12.5VIIS Main3+13.8V+13.8V3.3VD12.5VPOWER SWITCHLN6.3AT/250VSMPSL
3、OGIC BUFFERTRIG OUTTRIG INIR INGPIOIR ; TRIGLow leakage SMPSGPIOSPI_FPPCS8416Plug in detectFront panelTFT DISPLAYSTANDBYIRVOLUMELEDBlueOS cardSPDIFRXANTENNAMINI USBEthernetUSB HUBApplicationsProcessorsMCIMX535USB2514Hub Controller74LVC257ALAN8720BTM511NC7SV15774LV244ATSAM3N00AMM INPHONO AMPLINE IN1O
4、PAMPCLC2059muteLINE1/SUB1OPAMPCLC2059HD AMPmuteHPTact switchHeadphoneSOURCETact switchTact switchRS232COAX 1COAX 2OPTO1OPTO2SPDIF INIR OUTAsynchronousSRCSRC4382NC7SV157Audio serialPort AAudio serialPort BDigital interfaceReceiverSRCCLOCK24.576MDAC MODULEPCM1795NJW1194VolumeDigital VolumeTONE Control
5、AMPLP1&2LN1&2RP1&2RN1&2SPEAKER A2X80W 8ohmClippingOPA1654CPClipping ControlOPA1654+/-VCCCurrent senseEXT_VDR3V3DIICIIS Main2IISL&RLME49725GPIOSPII2CGPIOUSB+7.5VA3V3D1V8D+/-7.5VADACMODULATORFILTERLRMCLKOPAMPLOW PASS filterSPEAKER BL CHR CHL CHR CH+12VR+12VR+12VmuteOPAMPLOW PASS filterLINE2/SUB2CLC205
6、93.3VSMCUSTM32F030RCT6TRLCD driver+/-VCC+/-VCCVAUX+/-LDOKA78R12DC/DCTPS54327LDOLDO3V3D1V8DDigital supply+13.8VTLV11175VD3.3VSLDOLM317/LM337+/-7.5VATI TM4C1290SPI_FPPLCD driver+13.8VTLV1117IICDC/DCTPS540403V3ScontrolOPAMPHI PASSCLC2059OPAMPHI PASSCLC2059+12VAC_DETGPIOGPIOGPIOGPIOCONTROLLERSTBYEXT_VDR
7、EXT_VDRUCD102MP+/-12V+/-12V+/-12V+/-12V+/-12VAmber/Blue/RedAnalog supply+/-12VEnableDetectorBluetooth module8670IIS3V3SCLC2059VAUX+-12VLDOLM337+12V13V8+12VRGPIO5VA3V3D+/-12V+/-12V7WV17IIS BUFFERNC7SV1573V3DGPIOMENUType AUSBUSB SWITCHTS3USB3000GPIO01TS3USB300001USB3V3D+/-12V+/-12V+/-12VLDOTLV11173V3L
8、DC/DCXRP76755VSFRONT USB SUPPLYBT_L/R INBT_L/R IN+/-12VAnalog SENSE3V3SGPIOFAULT_DETTRANS_TEMPVAUX-+13.8VLINE IN2CLOCK8MDigital SENSE3V3SGPIOCS8416OPA2348NE5532SN74LVC1G123GPIOCLK DetctorVM1.0Bridge controlBridge controlC368 BLOCK DIAGRAM4YESCheck STB boardCheck main board13.8V RIGHT?NONOFront panel
9、 Standby ledNo Power or Power shuts offimmediately3V3S RIGHT?NOCheck U456YESCheck Q703 Q706 circuitChange FPP board,MDC boardYESNOPress Standby button switchstandby led blue light?YESchange PSU boardCheck LEDBright Control signalYESstandby led turn off?standby led red light?YESNOred lightYESCheck Q7
10、02 Q706 circuitChange FPP board,MDC boardCheck LEDBright Control signalCheck Q701Q706 circuitChange UCD102 MODULEFinishApply 1khz sinewave to RCA input of DUTAmplifier output correct?YESNOIPRC IPRH signal correct?YESChange UCD102 MODULEcheck+/-15V,+/-7.5VRight?NOcheckU461 U463 U464 U465 CircuitNOcha
11、nge MAIN boardYEScheckU103 U104 U110 Circuitchange MAIN boardC368 Trouble shooting5C368 & C388 PHONE BOARD6C368 & C388 MDC INTERNAL BOARD7C368 & C388 MDC BOARD8C368 & C388 AUDIO SENSE BOARD9C368 & C388 AUDIO SENSE INTERNAL BOARD10C368 & C388 FPP BOARD11J807C446R OUTC322C133Q106Q107C429J502C400Analog
12、 senseQ408C314R537R538PHONO MODULER110R41590610 MAIN Vm1.0C321R1101R152C155C4130BT AntennaBT AntennaJK400J500BT AntennaJ4010610 HP Vm1.0G GL G R0610 USB Vm1.0J800D804R832C804R IN+R IN-D8073635C379D459D4582L OUT1R393L IN- L IN+Q101(+35V_AMP)TP102Q456Q455C169TP101G GC389R1102C324R150R391R390C154R169D1
13、04R505+12VRC505R511R504C501C503R510Q507Q505Q503R509C323R503C504C500Q506C502R507Q504Q502R508R474R506Q509D105R151Q102R168R475R164+13.8VR1104D106R179C170C496R181C171R170Q126C179R172TP100R173Q125R180Q508C1100R1100R167VCL BiasR188R178C180R182R166U105D401C421C193R440R183R171RL400J503L500R4162R4163R436R435
14、R441R426C403C432C407R4161R408C427R410R400R432R427U400R401R433U403R416R409C406R550C430C474R4152D414R514R512D413C541R551RL501RL500R372C476R914R316D305D304U310R371R315R314C336C337R915R917R916U900R918FB455L457C521R489R488C520H452C459+7.5VAC471C166L606C6580610 MAIN Vm1.1R650U607C613C611J408R651R522C609C6
15、12D427D428C449C610R4146C448C195R4143J404U411R4145R4141R4142R4140R4144J40713V8R540R539C456C4132U410J304R4138 R4139+ G G -H455U465C4131D4573V3SR464C481C490C495D5063V3TXRXGNDQ501Q412R521Vm1.00610RS232 BOARDJ604C4135R4153D415D416J303R456A-A:R342R4104Q457R4105C370C391A-A:R460PS_CS50PS_SCKQ41149PS_DATAC45
16、5R4575V_ENR459C4107R462U455VA_CSVA_CLKR455C4112C4111VA_DATAJ4053V3D_ENQ458C4129R326R360R358R324R361R325R356R357C473C392R396R323C361R351U311R35021R321R322U302C362D303R320R312R313J406C369C352R338R362R397C353R336R337C344R305R319R349U309R335Q303R375R374L302C349U305P300C350R373U303C351U304R359C340C308R30
17、9R308D302D306U300U456R466R465R463C4115C493C486L456R467C482C469C483R458C4104R461C41133V3DC480C457 L4555VDU464C4106C485H456H451C435U409U308D307+12VC461C441U462C438R413021CON301R4126C440U408C434R486R4129R4125C445C436R4136R4128R487C439C444C443C442R4134R4135R4127R4133C339R353Q304FB300C326CON300C365L301C3
18、46C345R341R363U306C347R340Q3011V8R939TPG300C342R344R343C332R339R332IIS_SCLKIIS_SDOIIS_LRCKMCLKD418R909R910R352R348R345R905D417R4154C932R903U301L900R907C343C334R347R346R908R913R147 R148+12V-12V-7.5VAAudio_SENC3661J105C367J103Q300R177R G LR494U406C401R189R184C382VCL-R382R198R194R100R102R190Q401Q402R43
19、9VCL+R185R193C381J400C131-18VC523+18VR491R490U110C522R392R199R383R196R101C458R197C132R195C130R163-12VH458R161U104U460C175U463C174C479C163C489C478C468C487C488R4101C477R4100U461H457C176C187R160R4132R158C420R156C128R484C162R496C526C160D407R437R452C161C129C152U103C164C165C153C151R531C150R532R450D405D404
20、R445C433R443R498C405R411R428R412U401R403 R404C409R417R414R405U402C540R406C539U407RL100R162R429R159R413C188R175C402C408C173C172R4131R419R421R415R418C426R420C404C431R425R423R157C524C904C535C534R4150D461C527C425C525J504S101R4156R4157R523R520J402RL401C452C447R438R448R449R451R453R4147D408Q409Q406R446Q404
21、C533Q405R447D406Q407J403C532C325C123C122C127R111C126J100C112C113C537R535C538C536R300C300J101R933U903 C931R935R936R938R934C328C313U904C930C327J300R937C311C316C330C315R912C914U902R932C900C901C913C319C312R904C320OP300R911C903C902U901OP301R901R931R900C514C515Speaker outC528C506C509C513C512C510R515R513C5
22、17C516C507C368 MAIN BOARDTOP LAYER12C368 MAIN BOARDBOTTOM LAYER13Power Supply2134D102TS25P05GR1272MAC120V /AC230V MAIN INTH1015D-11FUSE101T10AL250VCY102NCCY103NCR1282MC111270uF,63VC109270uF,63VC112270uF,63VC110270uF,63VC1391.2nF/200VR16322R/1206C1401.2nF/200VR16422R/1206V+V-Q119IRFB4020Q113BC807-25D
23、112BAS321R11922RD114BAS321V+V-Q118IRFB4020Q112BC807-25D106BAS321R11522RD113BAS321Q120IRFB4020Q115BC807-25D115BAS321R12022RD117BAS321Q121IRFB4020Q114BC807-25D107BAS321R11622RD116BAS321910TR101GSC73161211TR101FSC73161314TR101DSC7316810TR101ESC7316GNDPQ116FDP22N50NQ111BC807-25D109BAS321R11822RD111BAS32
24、1Q117FDP22N50NQ110BC807-25D108BAS321R11722RD110BAS321C137330nF/275VACC138330nF/275VAC45TR101BSC7316R1610R33R1620R3312TR101ASC731667TR101CSC7316123J101CON3-3.96GNDPC123820uF,200VC124820uF,200VR107220KR108220KR109220KR106220KT1T2G3Q108BT138X-600FC11610nF/630VR150150RR151150RC14150V/1nFC14250V/1nFD123M
25、URA220T3D124MURA220T3C143470uF,50VC144470uF,50VGND112VDHVOP101PC817L107330R/1.5AL108330R/1.5AR16622R/1206R16522R/1206+42V- 42VGNDL10122uHC12910nF/630VC13010nF/630VGNDPCHCJHJKKC121100nF/50VC120100nF/50VGNDPCX101220nF/250VAC123456789 AC-LAC-NHV-DCAC-DECAC-SWTBDVCCDC-DETGNDMOD901MACSWLAC2AC112345678910
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- NAD-C368-int-sm 维修电路原理图 NAD C368 int sm 维修 电路 原理图