NAD-C427-tun-sm 维修电路原理图.pdf
NAD Digital Media Tuner Digital Media TunerSERVICE MANUAL C427C427RadioFans.CN 收音机爱 好者资料库TABLE OF CONTENTS DESCRIPTION P A G E SPECIFICATIONS.4WIRING DIAGRAM .5BLOCK DIAGRAM.7 PCB LAYOUT.11-15EXPLODED VIEW PARTS LIST EXPLODED VIEW ELECTRICAL VIEW PARTS LIST.16-23WIRING DIAGRAM PARTS LIST.6.24-24. .24-24CIRCUIT DIAGRAMS.8-10RadioFans.CN 收音机爱 好者资料库 SPECIFICATION FM SECTION Usable Sensitivity (98 MHz) 10 dBu Signal/Noise Ratio 65 dB (60 dB_ IHF-WTD Mono) 60 dB (60 dB_ IHF-WTD Stereo) Frequency Response 1.5 dB (20 Hz - 15 kHz, 60 dB_) Channel Separation (60 dBu) 30 Hz 33 dB 1 kHz 40 dB 10 kHz 32 dB Capture Ratio (40 dBu) 3 dB AM Suppression 50 dB (60 dBu, 100% Mod. FM, 30% Mod. AM) 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 Sensitivity (20dB S/N) - 999/1000 Hz 66 dB 603/600 Hz 66 dB 1404/1400 Hz 66 dB Frequency response (100 - 2.3 kHz, 5 mV) 6 dB 4C427 WIRING DIAGRAM FM/AM Tuner1Main Board2FPP BoardEncorder Board4PSU Board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temPart NumberDescriptionRemark114-42717-00Cable,1.25mm,17PIN,L=95mmTuner To Main Board214-42724-00Cable,1.0mm,24PIN,L=240mmKey Board To Main Board314-44604-01Cable,UL2468#26AWG,4PIN,L=80mmKey Board To Encorde Board414-42709-00Cable,UL2468#26AWG*9C,9PIN,L=240mmPSU Board To Main BoardWIRING DIAGRAM PARTS LIST6SignalPowercontrolKUANGXIN FM/AM/RDS MODULEkst-mb114ma1-23D1G2V3GP1UV701QSKey and IR front panelFM ANTENNAAM ANTENNAENCODERFM/AM LOFM/AM ROSPIRDS DATALOROTRIG INIR INRS232LOGICBufferIR TRIG RS232MAIN PSUStandby PSU(TNY274PN)5V 1AMAIN LMAIN NNAD C427 BLOCK DIAGRAMVERSION: V1.0Drafted by: BenData: 2013-06-25standby (0.2W dissipation )PSU BOARDLDOAMS11173V3S-VF3V3D+/-12V 0.5ASWITCH+8VTRANSFORMER+VF+8V 0.5ATRANSISTORLDOAMS1117GPIO+8V5VS5VDAPM2301ConversingVFDBOE CIG128X32Main MCUM30281FAHPSPII2CGPIO3V3SVDF Driver MCUPIC18F26K203V3D74LCX244-VF+VFAC INLET-12V+12V7C60 81N 2C6161N 2R60 747R JR62 347R JC60 9220 PC617220 PLRchassi s3132K603AJRC-27F/012-SR60 6470 RR62 2470 RAGNDJ601AJ601B+12VAAGNDC66933U /25VC66833U /25V1234567891011121314151617P6011. 0-9-17PW BR D S_D AT AR D S_C LKSTER EOPLL_DOPLL_C ETUN ER DPLL_C LKPLL_DIDGNDAGND+12VAAGNDC64410 0NC646220 U /25VC64510 0NC674 47nFR6772K2IR BR67810k232GNDR6761K1234567891110J608D Connect or 9/ EN1C1+2V+3C1-4C2+5C2-6V-7RIN8ROUT9/ INV10DIN11FCON12DOUT13GND14VCC15/ FCOFF16U617M AX3221C681100NC682100NC690100NC691100N232GNDC686100N3V3S232GND232GNDR683330RR685330RR232_RXR232_TXC68510U/ 10V,R67910RTPS A106M 010R 0900C68722NR68010RD6041SS352D6051SS352232GNDDGNDR684100RC_M U TEC68822NR68110RD6061SS352D6071SS352AGNDch assi s3R649470RR648470RFM / AM _ROFM / AM _LOR6544k7R6520RQ6022SC1815C64910ND6021N4148C652100PAGND+12VA465K603B3V3SDGND3V3SC65 9100NY 60118.432 MH zC66 720PC66 620PDGNDR67 0100KdgndC66 0100N3V3S12J60 4CON 2R66 710RR67 51M EGC65 822U F/16VP10257P911P902CN V SS3P87/X CIN4P86/X CO U T5RESE T6X O U T7V SS8X IN9V CC10P85/N M I11P84/IN T212P83/IN T113P82/IN T014P8115P8016P7717P7618P7519P7420P7321P7222RXD2/ P7123TXD2/ P7024TXD1/ P6725RXD1/ P6626P6527P6428P3329SO3/ P3230SI3/ P3131CLK332TX D 0/P6333RX D 0/P6234CLK 0/P6135P6036P2737P2638P2539P2440P2341P2242SC L/P2143SD A /P2044P1745P1646P1547P0348P0249P0150P0051P10752P10653P10554P10455P10356P10158AVSS59P10060VREF61AVCC62P9363P9264U 611M30281F A HPRESET1GND2RESET3VDD5M R4U 614TPS 3825DGNDR66 247KDGNDCLK1BUSYR67 333RCNVssCERESETDGND3V3SR66 80R12J60 3CON 2R67 247K3V3SR232_RXR232_TX3V3SDGND1234567891011121314J60 6HEA DER 7X 2 2.54 pitchCLK1BUSYCNVssCERESETR232_RXR232_TXR66 3A120RR66 3B120RR66 4A120RR66 4B120RK EY _ST BSC LSD AKEY_M ISOIRFIRBA01A12A23Vss4SDA5SCL6W P7Vdd8U 61224LC 16DGND3V3SC65 7100NSCLSDADGNDR66 4C120RR 650B120RR 650C120RR 650D120RR 650A120RST BYDGNDLED_BFPCLKaFPM OSIaVFM ISOKEYM ISOaVFSTBaKEYSTBaIRFa123456789101112131415161718192021222324J602To FPP Board8VDDGNDEN CA aEN CB aLED_B1G1A121Y118A241Y216A361Y314A481Y412V CC20G N D102G19B1112Y19B2132Y27B3152Y35B4172Y43U61074LCX244DGNDC650100nDGNDDGNDR65 9B120RR65 9C120RR65 9D120RR65 9A120RDGNDFPM OSIFPCLKVSTBKEY_STBR65 7B120RR65 7C120RR65 7D120RR65 7A120RIRFEN CAEN CBKEY_M ISOE N CAE N CBVFM ISOFPCLKFPM OSIV ST BVFM ISOA01GND2A13Y4Vcc5S6U609NC7SZ157DGNDM ISOSel3V3SC647100NDGND3V3S3V3S514J60 5AS CJ3 51-D S S WC66 510 0nZR67 433K J232GNDtri g iTRIGR67 110 0KJ3V3SbecQ 604D TC114232GNDTRIGSTER EOPLL_DOPLL_C ETUN ER DPLL_C LKPLL_DIR66 5A120RR66 5B120RR66 5C120RR66 5D120RR66 647KR66 947K3V3SR D S_D AT AR D S_C LKM UTER 655120RC68922NR68210RAGNDDGND+12VA3V3S8VDDGNDDGNDG1O U T2IN3O4U613AMS1117-3.3DGNDC654100NC65633U /25VC653100NC65533U /25V+5VS+5VSDGNDQ 603DTC 114DGNDSTBY2521J60 5BS CJ3 51-D S S W232GND78K603CJRC-27F/012-SC683EM I100pC684EM I100pDGNDR6210KR6110K3V3SR6410KEN C_EnterENC_Ent erDGND8VDR1431KTRIG_DECQ 600 1D TC114a11gnd2a23y24vcc5y16U6001NC7WZ17C1011100n3V3S232GNDD 6031S S 3 523V3SR1402KR14120KTRIGBVFD_BUSYaV FD _BU SY aTRIG B3V3S232GNDC_M UTEQ10102SA1015Q10112SC1815R135212KR13454K7+12VAD1054BAT54SR134747KC144310 0U /25 VC144447U /25VAGND+12VAR13484k7Q1007DTC114EKADGNDQ1008DTC114EKADGNDR135510K3V3SM UTELED_ALED_AAAKKD119M M 3Z4V7T1GR68 6120RR68 7120R123456789P602TO PSU boardR690100KR691100KAGNDC69 210 0PC69 310 0PR66 3C120RC695100NC69 422U F/16VDGNDR6920C696N. I .R6950R694220R693220DGND8VDC1000N. I.C1001N. I.C1002N. I.R10000RR10010RR10020RDGNDXM 300HOLEXM 301HOLEXM 302HOLEDGNDAGNDBLEN DBLEN DR6983K9465K601BJRC-27F/012-SR6964k7R6970RQ6012SC1815C69710ND6011N4148C698100PAGND+12VA78K601CJRC-27F/012-SCIRCUIT DIAGRAMS1.MAIN BOARD VM2.08 5VF3V3FC20222u/6v3C203100NDGNDC209100N1G1A121Y118A241Y216A361Y314A481Y412VCC20GND102G19B1112Y19B2132Y27B3152Y35B4172Y43U20674ACT244DGND5VFC205100nDGNDDGNDF-1F-2BK14LAT15CLK16SI17VH9VH10GND11GND12CIG128X32F-3NC8VDD13BKG14LATG15CLKG16SIG17SOG18NC19SI220CLK221LAT222BK223F+26F+27F+28U203CIG128X3201VFD BK1VFD LAT1VFD CLK1VFD SI1VFD BK2VFD LAT2VFD CLK2VFD SI2VFD BKGVFD CLKGVFD SIG8VDR24810KR25010KVFPENQ204DTC114EKADGNDGDSM201APM2301C230220U/16VC22822U/10VDGNDDGND8VFVF-VF+60VFR227470RC210100NDGNDC221100NDGNDMCLR/VPP/RE31RA0/AN0/C12IN0-2RA1/AN1/C12IN1-3RA24RA35RA46RA5/HLVDIN7VSS8OSC1/CLKIN/RA79OSC2/CLKOUT/RA610RC011RC112RC213RC3/SCK/SCL14RC4/SDI/SDA15RC5/SDO16RC6/TX/CK17RC7/RX/DT18VSS19VDD20RB0/INT0/FLT0/AN1221RB1/INT122RB2/INT223RB3/AN924RB4/KBI025RB5/KBI1/PGM26RB6/KBI2/PGC27RB7/KBI3/PGD28U205PIC18F26K20DGNDC204100NR20322k3V3FDGNDPGCLKPGDATA12345CON201ICSPMCLRVFD BK1VFD BKGVFD CLKGVFD SIGVFD LAT1VFD CLK1VFD SI1R20410kR205220kDGND60VFC206100ND2013V63V3FDGNDR207B120RR207C120RR207D120RR207A120RR209B120RR209C120RR209D120RR209A120RVFD BK2VFD LAT2VFD CLK2VFD SI2R214B120RR214C120RR214D120RR214A120RDGNDVSIVCLKVSTB1G1A121Y118A241Y216A361Y314A481Y412VCC20GND102G19B1112Y19B2132Y27B3152Y35B4172Y43U20974LCX244DGNDC207100nDGNDDGNDR219B120RR219C120RR219D120RR219A120RDGNDFPCLKFPMOSIVFMISOKEYMISOaVFSTBaKEYSTBaIRFaVSIVCLKVSTBR23510kR208100R/oe1a2gnd3y4vcc5U208AHC1G125DGNDC208100n X7RDGNDR222100RR228100RR221100R1a13y22a3gnd42y53a61y7vcc8U210NC7NZ343V3FDGND3V3FC22422u/6V3G1OUT2IN3O4U211ASM1117-5DGNDC222100nC223100U/25V5VF8VD123456789101112131415161718192021222324J201Header 248VDQ2012SC1815R236560RC2262.2U/10VC22522u/6V33V3FD2021SS3523V3F1234CON202NCDGNDC229220U/16VDGND3V3FDGNDDGNDDGNDDGNDR201100RIRFR2100RR2110RR2120RR2130RR215120RENCAENCBENCAaENCBaR234100RC219330PdgndR233100RC218330PdgndR232100RC214330PdgndR229100RC220330PdgndDGNDR25510KJR25810KJR2541K2JR2591K2JC23410nKC23710nKDGNDC236100NC235100NABABDGNDK207PresetK203DisplayK206AM/FMK202Mute/ModeSH/LD1CLK2E3F4G5H6QH7GND8QH9SER10A11B12C13D14CLK INH15VCC16U212HC165DGNDDGNDC227100nDGNDDGNDKEY_SCKKEY_STBKEY_MISO3V3SDGNDK205MemoryK201BlendK204PowerR23710k 5%R23810k 5%R23910k 5%R24010k 5%R24110k 5%R24210k 5%R24310k 5%Power OND1G2V3U201TSOP34838R20210RC20147U/16KEY_SCKKEY_STBKEY_MISOENCAENCB3V3S3V3S3V3S3V3S3V3SC24547u/80vR26010KR26147R0.5WQ2052SC1815Q2062SC3303C2321NDGNDD2071N4148R262150RC2311NDGND0.5WR2631K2DGNDD2069V1 DGNDD2081N4148R26847KR26722KD2095V6DGNDC244100NDGNDVF+VF-D2051N4148R2641K2C24010U/25VR2650RR2660RC24310U/10V12348765910T201VFD TRC24110U/25VC242100N60VF3V3SPower ONQ2032SC1815Q2072SC1815Q2022SA1015R2451KR2441KR25210KR25310KR25110KR25610KR25710K3V3SD7173LEDDGNDDGNDRedBlueAmber123456USBC4000.1UFC4050.1UFDGNDDGNDR250810KJENC_EnterENC_Enter_13V3SA1C2B344557766V201EC11E15244G1DGND1234CON208CON-4ENC_Enter_1ENC_EnterDGNDVUSBUSB_DMUSB_DP4321CON203CON-44321CON204CON-4AD20021SS3522.FPP BOARD VM2.0 AND FPP ENCODE BOARD VM2.0901S90101S90201S9038VDC9124. 7nF/ 1kVR91468k/ 2WR9336. 8RC921100nFR927270RR9283. 3K 1%R9342. 7k 1%C915100NR9261. 2kCY9011nF Y1U905TL4312134BD901KBP208C907100NDGNDC905100NDGNDC9141nFR92582RR9113. 3MR9326. 8kC9161000uF/ 25VC91168uF/400V 22*25C9171000uF/ 25VC91310uF/ 50VC92047uF/ 16V123D905M UR1620L9015uHDGNDU903PC817R9133. 3MR9123. 3MVi1Vo2g3V d4U904KA78R05C919100pF/ 1KVR9352. 87k 1%R90210KC9181000uF/ 25VC906100NR9075. 1kC910330UF/ 25VC908100NR9191kR9231kR936220R5VDDGNDR90310KC922100P5VDQ904IRF5210C902330uF/ 25VR9181KR9201KR9211KR9221KC3S5X2V1D7F4U902TO P265EGR9095. 1MR9085. 1MR9105. 1MR915180KL90310mHCX902220nF/ 250VACTH9015D-11ZV901TUR10D471R929750k123J901CON3R931750kR930750kL90210mHCX901100nF/ 250VACCY9021nF/ 1KVCY9031nF/ 1KVF901T2AL250VACSTBR9051kR9164. 7R/ 1WVi1Vo2g3V d4U901KA78R12C903100NR924C909330UF/ 25VC904100N12VDDGNDC9011000uF/ 25VD90618V3WR90410kR9065. 1kR901D901M URS120D9041N4148D903FR107Q903Comme nt : 2SC3326Q9022SC3326Q901Q905DTA114EKADGNDDGND31131489101157T901EEL25123456789J902CON1012VDDGNDSTB5VDDGND8VDDGND8VDDGNDR9375. 1kCY9041nF Y1DGND3.SMPS BOARD VM2.0 101.MAIN BOARD VM2.0Top LayerBottom LayerPCB LAYOUT 112. FPP BOARD VM2.0Top Layer122.FPP BOARD VM2.0Bottom Layer1314Top LayerBottom Layer3.FPP ENCODE BOARD VM2.04. SMPS BOARD VM1.0Top LayerBottom Layer15 PCB-1:MAIN BOARDNOITPIRCSED.ON TRAPPCB INFOA16-42701-21MAIN PCBVM1.0,FR-4,1.6mm,TG130,166*60mmDIODED601, D60233-44148-17Switch Diode SMD1N4148D603, D604, D605, D606, D607 33-40352-01Switch Diode1SS35232TOS ,S45TABedo iD yk t tohcS00-45004-334501Dedo iD reneZ70-90741-33911DMM3Z4V7T1G, 4.7V 0.2W 5%TRANSISTORQ603, Q604, Q6001, Q1007,Q100831-00114-05TransistorDTC114Q601, Q602, Q101131-01815-03Transistor2SC181532TOS ,5101Arot s i snarT30-51010-130101QIC5283SPTt i ucr iC yros i vrepuS33-52830-30416UPHAF18203MUCM30-18203-30116U1223XAMecaf retnI 232SR20-12230-30716U751ZS7CN rexe l p i t l uM 1:210-75170-30906U71ZW7CN ref fuB10-71700-301006U3.3-7111SMArota l ugeR33-71110-30316U442XCL47 ref fuB l at cO10-44200-30016U61CL42 MORPEE20-61420-30216URESISTORR652, R668, R692, R695, R697,R1000, R1001, R100207-90000-00Chip resistor0,0603,1/10W,5%R667, R679, R680, R681, R682 07-91009-00Chip resistor10,0603,1/10W,1%,RC0603FR-0710RL33rot s i ser p i hC00-90339-70376R,0603,1/10W,1%,R607, R62307-94709-00Chip resistor47,0603,1/10W,1%001rot s i ser p i hC00-00019-70486R,0603,1/10W,1%R655, R686, R68707-91200-00Chip resistor120,0603,1/10W,1%R683, R68507-93300-00Chip resistor330,0603,1/10W,1%R606, R622, R648, R64907-94700-00Chip resistor470,0603,1/10W,1%R143, R67607-91001-00Chip resistor1K,0603,1/10W,1%,RC0603FR-071KLK2rot s i ser p i hC00-10029-70041R,0603,1/10W,1%K2.2rot s i ser p i hC00-10229-70776R,0603,1/10W,1%K9.3rot s i ser p i hC00-10939-70896R,0603,1/10W,1%R654, R696, R1345, R134807-94701-00Chip resistor4.7K,0603,1/10W,1%R61, R62, R64, R678, R135507-91002-00Chip resistor10K,0603,1/10W,1%K21rot s i ser p i hC00-20219-702531R,0603,1/10W,1%K02rot s i ser p i hC00-20029-70141R,0603,1/10W,1%K33rot s i ser p i hC00-20339-70476R,0603,1/10W,1%R662, R666, R669, R672,R134707-94702-00Chip resistor47K,0603,1/10W,1%R670, R671, R690, R69107-91003-00Chip resistor100K,0603,1/10W,1%rot s i ser p i hC00-50109-70576R1M,0603,1/10W,5%,RC0603JR-071MLR650, R657, R659, R663, R664,R66507-90121-10Chip resistor120, 5% R0603X430-12203-70396RMetal Oxide FilmResistorRY21,220,2W,5%,Pitch=15mm,H=3-4mm60-12203-70496RMetal Oxide FilmResistorRY21,220,3W,5%,Pitch=15mm,H=3-4mmCAPACITOR16ELECTRICAL PARTS LISTC666, C66726-20051-00Ceramic Chip Capacitor20pJ,50V,0603,NPOC683, C684, C652, C692, C693,C69826-10112-10Ceramic Chip Capacitor100pF,100V 0603, NPOC609, C61726-22112-00Ceramic Chip Capacitor220pJ, 100V, 5%,NPO,0603,C608, C61626-12251-10Ceramic Chip Capacitor1n2J,50V,0603,NPOC649, C69726-10351-00Ceramic Chip Capacitor10nK,50V,0603,X7R,C2012X7R1H103KTC687, C688, C68926-22351-00Ceramic Chip Capacitor22nK,50V,0603,X7R3060,R7X,V05, Jn74rot i capaC p i hC c imareC00-15374-62476CC644, C645, C647, C653, C654,C657, C659, C660, C681, C682,C686, C690, C691, C650, C665,C69526-10411-00Ceramic Chip Capacitor100nF,16V 0603, X7RR7X,3060 V52,Kn001rot i capaC p i hC c imareC01-12401-621101C30-11001-72586CChip Tan ElectrolyticCapacitor10uF,10V,10%,T491A106K010ATC658, C69406-22011-10Ceramic Chip Capacitor CD263,22uF,16V,20%,F2.5C655, C656, C668, C66906-33021-04Alu Electrolytic CapacitorCD263, 33uF, 25V, 20%,F2.5rot i capaC c i t y l or t ce lE u lA20-12074-604441CCD263,47uF,25V,20%,F2.5rot i capaC c i t y l or t ce lE u lA40-12101-603441CCD263,100uF,25V,20%,F2.5rot i capaC p i hC c imareC21-11122-60646CCD263,220uF,16V,20%,F2.5CAYSTALzHM 234.81 LATSYRC10-24811-40106YCONNECTORBP42-9-0.1 mm0.1 NIP42rot cennoC CFF70-42012-31206JP5-1453-JSkcaJ enohP70-20020-71506JWS SD-153JCSkcaJ enohP20-20020-71ro506JA10V12-JR se l oh 2ACR230-20010-71106JtekcoS 232SR00-90080-71806J D Connector 9,RS232/F,7906-09FHArot cennoC81-20521-31406J ,306J2.54mm,2pin,CNT-M254-1*2-GS-5/3-NA9
