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(ci)了解多少?什么是電源適配(pei)器?壞了要怎樣(yang)維修?今天我們和電源適配(pei)器廠家(jia)一(yi)起來看一(yi)下!
什么是電源適配器?
電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)(pei)器(qi)(qi)是(shi)小型便攜式(shi)電(dian)(dian)子(zi)(zi)設(she)(she)備及(ji)電(dian)(dian)子(zi)(zi)電(dian)(dian)器(qi)(qi)的供(gong)電(dian)(dian)電(dian)(dian)源(yuan)(yuan)變換設(she)(she)備,一(yi)般(ban)由外殼、電(dian)(dian)源(yuan)(yuan)變壓器(qi)(qi)和整(zheng)流(liu)電(dian)(dian)路組成(cheng),按(an)(an)其輸入類型可(ke)分為(wei)交(jiao)流(liu)電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)(pei)器(qi)(qi)和直流(liu)電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)(pei)器(qi)(qi);按(an)(an)連(lian)接(jie)方(fang)式(shi)可(ke)分為(wei)插墻(qiang)式(shi)電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)(pei)器(qi)(qi)和桌面式(shi)電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)(pei)器(qi)(qi)。廣(guang)泛配(pei)(pei)(pei)套于電(dian)(dian)話(hua)子(zi)(zi)母機(ji)(ji)、游戲(xi)機(ji)(ji)、語(yu)言復(fu)讀機(ji)(ji)、隨身聽、筆記本計算機(ji)(ji)、蜂窩(wo)電(dian)(dian)話(hua)等設(she)(she)備中(zhong)。
電源適配器壞了要怎樣維修?
1.如果原裝(zhuang)適配器(qi)有(you)(you)問(wen)題(ti),無法(fa)維修(xiu)或者來不(bu)(bu)及(ji)修(xiu),可(ke)以先(xian)使用(yong)其它適配器(qi)替代。只要(yao)輸出(chu)(chu)電(dian)壓和功(gong)率大致相當既可(ke)。筆(bi)記本(ben)電(dian)腦電(dian)源適配器(qi)內部還有(you)(you)穩(wen)壓電(dian)路撐著,不(bu)(bu)要(yao)太過(guo)于擔心輸出(chu)(chu)電(dian)壓不(bu)(bu)匹(pi)配的問(wen)題(ti)。而在維修(xiu)時,第一步需要(yao)做的就是(shi)工具(ju)(ju)準備。我(wo)們(men)需要(yao)用(yong)萬用(yong)表、螺(luo)絲刀、焊接工具(ju)(ju)。
2.電源適配器(qi)(qi)上有四個塑料帽,盡(jin)(jin)可能不要破(po)壞(huai)適配器(qi)(qi)外殼,外殼破(po)壞(huai)后(hou),會出現(xian)電磁輻射加強等問題,影響機器(qi)(qi)穩定。如果(guo)外殼破(po)壞(huai),盡(jin)(jin)量補修。拆(chai)卸過(guo)程如果(guo)外置電源不供(gong)電,這時可以插(cha)上電池試(shi)試(shi),如果(guo)機器(qi)(qi)可以正常啟(qi)動,就(jiu)有可能是(shi)電源線(xian)或者適配器(qi)(qi)有問題。打開外觀(guan),打開屏蔽層后(hou),最好是(shi)首先(xian)檢查焊腳,肉眼觀(guan)察即可。電路時斷時續,一般(ban)是(shi)接觸不良。然后(hou)用萬用表(biao)檢測,查明電源線(xian)是(shi)否有問。
3.在測試(shi)過(guo)程(cheng)(cheng)中(zhong),如果發現電(dian)(dian)阻引腳被(bei)虛焊(han)了(le),就用焊(han)接工(gong)具補焊(han)上去(qu),將電(dian)(dian)源適(shi)配器安裝好,開機測試(shi)、問(wen)題(ti)解決。需要注(zhu)意的(de)是(shi),如果在檢測過(guo)程(cheng)(cheng)中(zhong),遇(yu)到某個電(dian)(dian)容(rong)有問(wen)題(ti),可以(yi)(yi)購(gou)買一個型號和容(rong)量一樣的(de)電(dian)(dian)容(rong),把(ba)有問(wen)題(ti)的(de)電(dian)(dian)容(rong)取焊(han)下來(lai),將新電(dian)(dian)容(rong)焊(han)上去(qu)即可。如果發現IC電(dian)(dian)源線有問(wen)題(ti),那么也可以(yi)(yi)按照同樣的(de)方法解決。當然由于IC芯片絕(jue)對是(shi)電(dian)(dian)源適(shi)配器中(zhong)最(zui)重要的(de)電(dian)(dian)子元器件之一,電(dian)(dian)容(rong)過(guo)于復(fu)雜。
4.由(you)于現(xian)在的(de)電(dian)(dian)源(yuan)適(shi)配器(qi)已經大量(liang)(liang)(liang)采用(yong)貼(tie)片元件(jian),一旦元件(jian)出了問題,維(wei)修的(de)難度就更加大了。電(dian)(dian)源(yuan)適(shi)配器(qi)的(de)功率(lv)(lv)一天一天增大,對電(dian)(dian)子(zi)元件(jian)的(de)考驗也是越來越大,如果(guo)電(dian)(dian)源(yuan)適(shi)配器(qi)采用(yong)的(de)電(dian)(dian)子(zi)元件(jian)質量(liang)(liang)(liang)不過關(guan)、PCB布線不當,就很(hen)有可能(neng)加大故障概率(lv)(lv)。因(yin)此(ci)選(xuan)購一個質量(liang)(liang)(liang)好的(de)電(dian)(dian)源(yuan)適(shi)配器(qi)很(hen)重(zhong)要!
5.檢(jian)查電(dian)容電(dian)阻(zu)電(dian)感有無問題,如(ru)電(dian)容出(chu)現鼓包(bao),最好及時更換以(yi)免留下隱患。
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