CCE-MD3900-pot-sch维修电路原理图.pdf

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1、VccDRIVERRELAYDISCHARGESUBSTRATEGNDMUTINGCURRENTOVERDETECTDETECTDETECTON-OFFDCRL_POWERRL_AUDIO-B-B-B-BGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDTEMPFAN+12V+12V+12V+12V+5V+5V+5V+B+B+B+B+5V500V500V500V500V(+12V)(+12V)(+12V)(+12V)(+5V)(+5V)(+5V)(+5V)220100u56k47u33k120BC546B1k510n2k22k2BC547B2201KBC546B100u1uH5

2、6k2SA10160,47u2SC29102SC29102SA10161N414810n2W12k390100470470470470LT4A0310KBC546B10KBC546BLT4A03LT4A031N40041N4004LT4A03opc.opc.1K222K22KLT4A03LT4A034700u/100LT4A0310nLT4A0310n10n10n4700u/100180100k1u1k100k1n2W105W0,225W0,22100100K47047popc.100opc.2SA12081N41484k74k756kIRFP240IRFP924047u100100n2SA1

3、0162SC29102SC29102SA10161uH100u1k10KBC3371k100n2k247u56k22k22kBC546B2k210n1k547k47k1N414822k100n100IRFP9240IRFP24056k4k74k71N41482SA1208opc.10047p470100K1005W0,225W0,222W101n100k1k1u100k1801003902W12k10n1K220BC547B2k2120BC556B1k233k22u220kopc.47k22u47kopc.4,0A37,5V4,0A37,5VVR201C227R271C271R274R213Q

4、221R256C216R254R227Q219R229VR203Q222C206L202R275Q202C273Q212Q214Q204D204C209R219R225R217R252R250R249R251D214R244Q208R242Q207D208D210D205D206D212R248R246R247D213D211C224D215C230D209C231C232C229C225RL202RL201R223R201C201R203R205C203R263R239R237R235R233R215C207R245R221C211Q205D217R211R209R207Q215Q217C2

5、26R231C217Q203Q213Q211Q201L201C205R282R243Q209R281C235IC201R279C272R272R273R277Q223R253C215R255R260R257D203R241C218R232Q218Q216R208R210R212D218Q206C212R222C208R216R234R236R238R240R264C204R206R204C202R202R224R218R226R220C210VR202R230Q220R228R214Q210R278R270C274R276C213R262C270R261C214JACK PHONECN206P

6、/PCI LATERALCN204PTC201GNDGNDIN-RIN-LTA7317P29/05/00ANDRER255.256 ERA 2K2AMV-178/00AMD3900D1.00.52162.1419/04/0019/04/00ANDREPCI POTENCIA2SC2705-Y2SC2705-Y2SA1145-Y2SA970-GR2SA970-GR1W* = no dissipador* = no dissipador*BIAS ADJUSTBIAS ADJUSTSAIDAFALANTE(RCA)SAIDASUB-WOOFERROBERTOCN212CN211CN205CN201

7、CN210CN209CN203CN207CN208+FAN-FANFANPAINEL TRAZEIROFLUXO DO ARSENTIDO DOFANPTCpowerpowerpowerpowerpowerpowerpowerpowerpowerSUB-WOOFERGNDCN202* = MONTADO NO DISSIPADOR( R )( L )GNDGND*CN505TRAFOACACGND31PARA PCI2ESQUEMA ELETRICO0V - Protec On+5V - Protec Off122198765432110+DSGGSG+987654321+GSGDSG+mmemdimensoesPROJECAODISCRIMINACAOTITULO:DATAVISTOCOD.N.TOL.TOL.MOD.ACAB.ESC.MAT.DATAAPRO.PROJ.DES.NOMEP.A.ALT.RadioFans.CN 收音机爱 好者资料库