Dynacord-XA4000-pwr-sch维修电路原理图.pdf
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1、RadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库+CHANNEL ACHANNEL BInput BOutput BInput AOutput A344 037Dual / ParallelLevel ALevel BPOWERPROTECTSIGNAL ASIGNAL BLIMIT_ALIMIT_B0dB_B0dB_AFAN1FAN2-+-+-Level ALevel BIDLELim. OnLim. Off+9VEKI-14VTL 074NE 5532CA 3080OP 97 FPJ 111MPSA 42MPSA 922N 3904BF 393B
2、C 327BC 337OUTOUTININADJADJ0V16.3V-16.3V+15V-15V-15VVCAOFFSETCURRENT+15V2SC52002SA19432SA1837KABF 4932N 3906LM 311TL 072-13V38dBu61,5V-13V-23V-13V-18V-26V-18,7V+113V-56V-113V+56V+15V-15V+27V+27V-27V-27V+27V-27V+12,0V+9,1V+7,6VOffFastSlow+15V-1,5V-13VOffOn-14V+14VOffOn0V+14VOffOn+14V-14VOffOn+14V-14V
3、NTC HEAT-SINKNTC HEAT-SINK84213IDLELim. OnLim. Off+9V-14V+15V-15V-15VVCAOFFSETCURRENT+15V-13V38dBu61,5V+113V-56V-113V+56V+15V-15VBC 560BC 550LM317TLM337TMUR2020842132SC47936dBu6dBu6dBu6dBu(2/2)(2/2)!12dBu+56V-56V12dBu+56V-56V*145817814EB CE BCXXXXXXGSDXXXXXX1 2 31 2 3EBCXXXXXX(MUST BE REPLACED BY OR
4、IGINAL PART)SAFETY COMPONENT, FLAMEPROOF RESISTORPOWER RESISTOR 4 WATTDC VOLTAGE MEASURED WITH VOLTMETER 100kOHM/VAC VOLTAGE 1000 HZ, MEASURED WITH VTVMAC VOLTAGE 50/60 HZ MEASURED VOLTMETER 2000 OHMS/VPOWER RESISTOR 5 WATTEBCtt111111111111111111111121tt1112311t31Bias-AmpD-BiasBias-AmpD-Biastt1CNS11
5、23123CNS2-15VGROUND123SERVICE CONNECTORSGROUND454455NEGATIVE LOWNEGATIVE HIGHRELAYDRIVEPOSITIVE LOWPOSITIVE HIGH22113+U1+16V-16V-U1LIMITER-Test-ALIMITER-OFF-ABIAS- ABIAS+ A-15V123CNS4456LIMITER-OFF-BLIMITER-Test-BBIAS+ BBIAS- BTEMPERATURE ATEMPERATURE B6CNS3SPEAKERS-BSPEAKERS-A678+15V+15V78645534AAA
6、AAAABBBBBBBLESRLESRLESRLESRLESRLESRGROUND7TEMP_S8n.c.n.c.n.c.n.c.n.c.n.c.348334348334n.c.n.c.n.c.n.c.n.c.n.c.n.c.n.c.n.c.n.c.(84213J)R111R112R114Q103R116R113R120R115C118C117C120VR102-15VC119+3-2681I102-A+UB7-UB4I102-PC125R134C124R136R137R135R123R124R125R126R127R128R122R121D101D102Q101Q102-15VR129R13
7、0R132R131D103+15VD104C12321H103A43H103B65H103C87H103DC121C122R154D107C126R155D108C127C38C39+15V-15VQ104Q106Q105Q108Q107Q127Q110Q109Q112Q128Q113Q111R156R158R162R164R170R166R174C128C129R171R165R163R167R159R157R175C131D111D112R173R172R235R179R181R177R176VR103R178Q120Q117Q118Q119R184R185R189R188R245R191
8、R195R193R194R196R190Q124Q126Q123Q125D113D114R182R183R186R187Q122Q121Q143Q144Q145R243C137L10012E100-OE100AC139C140C141R248R251R249R247R250R246R252+3-21I103-A+5-67I103-B+10-98I103-C+12-1314I103-D+UB4-UB11I103-PR242C36C37C35C34R37R33R34R35R32R38R36R39R41R44R43R42R40R46R47D12D13D11Q2Q3Q5Q6C27Q4C28Q7R228
9、R234R229R230R45C116R152R153R160R161CNE+A+15VR216R215C130R224R236R214R223R212CNE-A12R20612R205R232R227IN2OUT3GND1I2IN3OUT2ADJ1I1R24R25C20C19D10D9R28R29C22C21+15V-15VR30R31D14R218R217R180+5-67I100B+3-21I100A+UB8-UB4I100-PR211C115R213C24C23R231R26R2712R207R237R198R197R226R225Q136Q137D117D118Q138Q135Q13
10、9Q140D119C136R238R239R240R241Q141Q142Q148Q149R260R256R262R264R278R276R282R280C142R254Q150Q151R259R253R263C148R269R267C150R265R279R277R283R281C143R255D131C154+2-36517I104A+UB8-UB4I104-P+2-36517I105A+UB8-UB4I105-PC155C156R272D127R273D128-U1+U1C152R285R275D129D130R284C146C147R261R258R257+U3-U3-U2+U2C15
11、3C26C25R244C145R270R271132GJS10021H100A43H100B65H100C87H100D132GJS101C100+5-67I3B+3-21I3A+UB8-UB4I3-PC104C103C101C102+5-67I4B+3-21I4A+UB8-UB4I4-PR106R105132GJS30021H300A43H300B65H300C87H300D132GJS301C300C304C303C301C302R306R305S3-BS3-AR90AR91AR102R302CN20-1CN20-2CN20-3CN20-4CN20-5CN20-6CN20-7CN20-8C
12、N9XCN100-1CN100-2CN100-3CN300-1CN300-2CN300-3CN16-1CN16-2CN16-3CN16-4Q133Q134R201R199R200R202Q130Q132Q129Q13112R20912R20812R210R204R203-U2-U2+U2R48R4931VR10131VR301R501R502R506R505R510D508D505D506D509D510-U4R504R511R513R514D507R512R515R516R523R524R525Q504Q505Q502Q503R522R518R520D504C521Q506Q507R521R
13、517R519D503C520C519-U4+U4R503R507R526Q501R509C522C523D501D502R508-U4-U4R527R528D511D512+U1-U1R87Q13R88Q14CN20X-1CN20X-2CN20X-3CN20X-4CN20X-5CN20X-6CN20X-7CN20X-821H102A43H102B65H102C87H102DC114C11321H302A43H302B65H302C87H302DC314C313222123S2-B121113S2-AR220R222R221R219C134C135R52R51R50R53D16Q8Q9D17R
14、58R56R60R63R61R62+15V+15VC30+3-21I7-A+5-67I7-B+10-98I7-C+12-1314I7-D+UB4-UB11I7-PR73R72R74R75R70R69R68R71R64R65R66R67+15VR77R76C33CN5-1CN5-2CN5-3CN6-1CN6-2CN6-3Q11Q12C29+15VD15R78R79R80R81R82R83R84R85R86C32Q10D18R59R57+15V+15VC31R311R312R314Q303R316R313R320R315C318C317C320VR302-15VC319+3-2681I302-A+
15、UB7-UB4I302-PC325R334C324R336R337R335R323R324R325R326R327R328R322R321D301D302Q301Q302-15VR329R330R332R331D303+15VD304C32321H303A43H303B65H303C87H303DC321C322R354D307C326R355D308C327Q304Q306Q305Q308Q307Q327Q310Q309Q312Q328Q313Q311R356R362R364R370R366R374C328C329R371R365R363R367R359R357R375C331D311D31
16、2R373R372R435R379R381R377R376VR303R378Q320Q317Q318Q319R384R385R389R388R445R391R395R393R394R396R390Q324Q326Q323Q325D313D314R382R383R386R387Q322Q321Q343Q344Q345R443C337L30012E300-OE300AC339C340C341R448R451R449R447R450R446R452+3-21I303-A+5-67I303-B+10-98I303-C+12-1314I303-D+UB4-UB11I303-PR442R428R434R4
17、29R430C316R352R353R360R361CNE+B+15VR416R415C330R424R436R414R423R412CNE-B12R40612R405R432R427R418R417R380+5-67I300B+3-21I300A+UB8-UB4I300-PR411C315R413R43112R407R437R398R397R426R425Q336Q337D317D318Q338Q335Q339Q340D319C336R438R439R440R441Q341Q342Q348Q349R460R456R462D325R464R478R476R482R480C342R454Q350
18、Q351R459R453R463D326C348R469R467C350R465R479R477R483R481C343R455D331C354+2-36517I304A+UB8-UB4I304-P+2-36517I305A+UB8-UB4I305-PC355C356R472D327R473D328C352R485R475D329D330R484C346C347D324R461R458R457+U3-U3-U2+U2C353R444C345R470R471Q333Q334R401R399R400R402Q330Q332Q329Q33112R40912R40812R410R404R403-U2-
19、U2+U2R420R422R421R419C334C335D135R293D134R294D335D334R493R494C42C47C48R16CNS3-1CNS3-2CNS3-3CNS3-4CNS3-5CNS3-6CNS3-7CNS3-8C41C40C49C50CNS4-1CNS4-2CNS4-3CNS4-4CNS4-5CNS4-6CNS4-7CNS4-8CNS1-1CNS1-2CNS1-3CNS1-4CNS1-5CNS1-6CN3X-1CN3X-2CN3X-3CN3X-4CN3X-5CN3X-6CN3X-7CN3X-8CN3X-9CN3X-10CN3-1CN3-2CN3-3CN3-4CN
20、3-5CN3-6CN3-7CN3-8CN3-9CN3-10CN35X-1CN35X-2CN35X-3CN35X-4CN35-1CN35-2CN35-3CN35-4R18R19Q114Q115Q314Q315D115D116D315D316R295D136D137R296R495D336D337R496D121D321D19Q156C157R299Q157R299A12R98C159Q356C357R499R499AQ35712R99R497R498R492R491R292R291R297R298R178AR378AC359C160L101L102C161C360L301L302C361D20R
21、20C51C151R274R266R266AC149C351R474R466R466AC349R468R234AR233R233AR434AR433R433AD124D125D126R287R192R289R288C132C133R488R487R489R392C332C333C144C344C62C72R3C73C74R4R5D8Q15C10531VR10031VR300R90R91C305CN1X-1CN1X-2CN1X-3CN4X-1CN4X-2CN4X-3R6R7D109R168D110R169D309D310R368R369Q152Q153Q353Q352R268R138R139R1
22、40R141R142R143R144R145R146R147R148R149R150R151R338R339R340R341R342R343R344R345R346R347R348R349R350R351C1C2D1CNS2-1CNS2-2CNS2-3CNS2-4CNS2-5CNS2-6CNS2-7CNS2-8D120D320R1R9C56R358R286R486R529C108C308C109CN1-1CN1-2CN1-3CN4-1CN4-2CN4-312+3-45I5-11615+14-1312I5-2IN7OUT8I5-3IN10OUT9I5-4+UB11-UB6I5-PR300R100
23、R303R103R104R304R119R319R318R118R117R317C43C44D100D300Q154Q155DSGQ146D122Q116DSGQ147D123Q355D323DSGQ347DSGQ346D322Q316Q354R55R54R300AR301AGNDAGNDAMUTEDRVMUTEDRVMUTEDRV+15V+15V+15V+15V-15V-15V-15V-15VHOT_AHOT_AHOT_AHOT_ALIM_ALIM_ALIMA_OFFLIMA_OFFLIMIT_ALIMIT_A+UZ_A+UZ_A+UZ_A+UZ_A+UZ_A-UZ_A-UZ_A-UZ_A-
24、UZ_A-UZ_ADIFF_ADIFF_ABIAS-ABIAS-ABIAS+ABIAS+ALIM-LEDALIM-LEDARELAYDRVRELAYDRVRELAYDRVRELAYDRVRELAYDRV+16V+16V+16V+16V+16V-16V-16V-16V-16V-16V-16VTIME_INTIME_INTIME_INTIME_INTIME_INTIME_IN+U1+U1+U1-U1-U1RAIL+ARAIL+ARAIL+ARAIL+ARAIL-ARAIL-ASIGNAL_ASIGNAL_ARELAY_1RELAY_1SIGNAL_BSIGNAL_BLIM-LEDBLIM-LEDB
25、0DB-LEDA0DB-LEDA0DB-LEDB0DB-LEDBBRIDGED2BRIDGED2BRIDGED2BRIDGED1BRIDGED1BRIDGED1TEMP_ATEMP_AFANTEMP_BTEMP_BHOT_BHOT_BHOT_BHOT_BAMP-IN_BLIM_BLIM_BLIMB_OFFLIMB_OFFLIMIT_BLIMIT_B+UZ_B+UZ_B+UZ_B+UZ_B+UZ_B-UZ_B-UZ_B-UZ_B-UZ_B-UZ_BDIFF_BDIFF_BRAIL+BRAIL+BRAIL+BRAIL+BRAIL-BRAIL-BSPEAKERASPEAKERASPEAKERBSPE
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