什么是電源適配器?壞了要怎樣維修?
面對形形色色的電源適配器你對此了解(jie)多少?什么是電源適配器(qi)?壞了要(yao)怎(zen)樣維修?今天我們和電源適配器(qi)廠家一起(qi)來看一下(xia)!
什么是電源適配器?
電(dian)源(yuan)(yuan)適配(pei)器(qi)是小型便攜(xie)式電(dian)子設(she)備(bei)及電(dian)子電(dian)器(qi)的供電(dian)電(dian)源(yuan)(yuan)變換設(she)備(bei),一般由外殼(ke)、電(dian)源(yuan)(yuan)變壓(ya)器(qi)和整流電(dian)路組成,按(an)其(qi)輸入類型可分為(wei)交(jiao)流電(dian)源(yuan)(yuan)適配(pei)器(qi)和直流電(dian)源(yuan)(yuan)適配(pei)器(qi);按(an)連接方式可分為(wei)插墻(qiang)式電(dian)源(yuan)(yuan)適配(pei)器(qi)和桌面式電(dian)源(yuan)(yuan)適配(pei)器(qi)。廣(guang)泛配(pei)套于電(dian)話(hua)子母機(ji)、游戲(xi)機(ji)、語言復讀機(ji)、隨(sui)身(shen)聽(ting)、筆(bi)記本計(ji)算機(ji)、蜂窩電(dian)話(hua)等設(she)備(bei)中。
電源適配器壞了要怎樣維修?
1.如果原裝適配(pei)(pei)器(qi)(qi)有問(wen)題,無法維(wei)修(xiu)(xiu)或(huo)者(zhe)來不(bu)及(ji)修(xiu)(xiu),可(ke)以先使(shi)用(yong)其它適配(pei)(pei)器(qi)(qi)替代。只要(yao)輸(shu)出(chu)電(dian)(dian)壓(ya)和功率(lv)大致相當既可(ke)。筆記本電(dian)(dian)腦(nao)電(dian)(dian)源適配(pei)(pei)器(qi)(qi)內部還(huan)有穩壓(ya)電(dian)(dian)路(lu)撐著,不(bu)要(yao)太過于(yu)擔心輸(shu)出(chu)電(dian)(dian)壓(ya)不(bu)匹配(pei)(pei)的問(wen)題。而(er)在維(wei)修(xiu)(xiu)時,第一(yi)步需要(yao)做的就是工具準備。我們需要(yao)用(yong)萬用(yong)表、螺絲(si)刀、焊接工具。
2.電(dian)源(yuan)適配器上有(you)四個塑料帽(mao),盡可(ke)能不要破壞適配器外(wai)殼(ke),外(wai)殼(ke)破壞后,會出(chu)現電(dian)磁輻射加(jia)強等(deng)問題,影響機器穩定。如(ru)果(guo)(guo)外(wai)殼(ke)破壞,盡量(liang)補修(xiu)。拆(chai)卸過程(cheng)如(ru)果(guo)(guo)外(wai)置電(dian)源(yuan)不供(gong)電(dian),這時(shi)可(ke)以插上電(dian)池(chi)試(shi)試(shi),如(ru)果(guo)(guo)機器可(ke)以正(zheng)常(chang)啟動(dong),就有(you)可(ke)能是電(dian)源(yuan)線或者適配器有(you)問題。打(da)(da)開(kai)外(wai)觀,打(da)(da)開(kai)屏蔽層(ceng)后,最好是首先檢查(cha)焊腳,肉眼觀察即(ji)可(ke)。電(dian)路時(shi)斷時(shi)續(xu),一般是接觸不良。然(ran)后用萬用表檢測,查(cha)明電(dian)源(yuan)線是否有(you)問。
3.在(zai)測試過程(cheng)中(zhong),如果(guo)(guo)發現電(dian)(dian)(dian)阻(zu)引腳(jiao)被虛焊了,就用(yong)焊接工具補焊上去,將(jiang)電(dian)(dian)(dian)源適(shi)配(pei)器(qi)(qi)安裝(zhuang)好(hao),開(kai)機測試、問(wen)題(ti)解決。需要(yao)注意的是,如果(guo)(guo)在(zai)檢測過程(cheng)中(zhong),遇到(dao)某(mou)個(ge)電(dian)(dian)(dian)容有問(wen)題(ti),可(ke)以購買一(yi)個(ge)型(xing)號和容量一(yi)樣(yang)的電(dian)(dian)(dian)容,把有問(wen)題(ti)的電(dian)(dian)(dian)容取焊下來,將(jiang)新電(dian)(dian)(dian)容焊上去即可(ke)。如果(guo)(guo)發現IC電(dian)(dian)(dian)源線有問(wen)題(ti),那么也可(ke)以按照(zhao)同樣(yang)的方法解決。當然由于IC芯(xin)片(pian)絕(jue)對是電(dian)(dian)(dian)源適(shi)配(pei)器(qi)(qi)中(zhong)最(zui)重要(yao)的電(dian)(dian)(dian)子元器(qi)(qi)件之一(yi),電(dian)(dian)(dian)容過于復雜。
4.由于現在的電(dian)(dian)源適配器已(yi)經大量(liang)采用(yong)貼片元(yuan)件(jian),一(yi)旦元(yuan)件(jian)出了問題,維修(xiu)的難度就(jiu)更加大了。電(dian)(dian)源適配器的功率一(yi)天一(yi)天增(zeng)大,對電(dian)(dian)子(zi)元(yuan)件(jian)的考驗也是越來(lai)越大,如果(guo)電(dian)(dian)源適配器采用(yong)的電(dian)(dian)子(zi)元(yuan)件(jian)質量(liang)不(bu)過關(guan)、PCB布線不(bu)當(dang),就(jiu)很有可能加大故(gu)障(zhang)概率。因(yin)此選購一(yi)個質量(liang)好的電(dian)(dian)源適配器很重要(yao)!
5.檢(jian)查(cha)電(dian)容電(dian)阻電(dian)感有無問(wen)題,如電(dian)容出(chu)現鼓包(bao),最好及時(shi)更換以免(mian)留下隱(yin)患。
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