圖 拓普康整流電源開關
拓普康直流電源TP.C.32KW系列散熱風扇不轉故障維修要點
發動(dong)機故障(zhang)后果(guo)一：保(bao)障(zhang)絲燒(shao)毀
通常(chang)狀況狀況下，保(bao)險服(fu)務金(jin)絲融斷就(jiu)說明工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)供(gong)電(dian)(dian)(dian)(dian)(dian)模(mo)塊(kuai)(kuai)觸(chu)點旋(xuan)鈕工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)供(gong)電(dian)(dian)(dian)(dian)(dian)模(mo)塊(kuai)(kuai)的的內部供(gong)電(dian)(dian)(dian)(dian)(dian)模(mo)塊(kuai)(kuai)供(gong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)路的存在擊穿或(huo)過流(liu)(liu)(liu)的故障(zhang)率。鑒于(yu)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)供(gong)電(dian)(dian)(dian)(dian)(dian)模(mo)塊(kuai)(kuai)觸(chu)點旋(xuan)鈕工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)供(gong)電(dian)(dian)(dian)(dian)(dian)模(mo)塊(kuai)(kuai)辦公在高交流(liu)(liu)(liu)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)，大(da)(da)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)大(da)(da)小的辦公程序(xu)下，工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)濾(lv)波(bo)和調整自激振蕩(dang)供(gong)電(dian)(dian)(dian)(dian)(dian)模(mo)塊(kuai)(kuai)供(gong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)路在髙(gao)壓(ya)(ya)辦公程序(xu)辦公日子(zi)較(jiao)(jiao)長，交流(liu)(liu)(liu)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)變化相比較(jiao)(jiao)大(da)(da)。農電(dian)(dian)(dian)(dian)(dian)交流(liu)(liu)(liu)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)的震(zhen)蕩(dang)，浪(lang)涌就(jiu)會進而引(yin)發工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)供(gong)電(dian)(dian)(dian)(dian)(dian)模(mo)塊(kuai)(kuai)內工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)大(da)(da)小數秒擴大(da)(da)而使保(bao)險服(fu)務金(jin)絲融斷。重(zhong)點是應排查(cha)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)供(gong)電(dian)(dian)(dian)(dian)(dian)模(mo)塊(kuai)(kuai)顯(xian)示(shi)鍴的整流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)管(guan)，髙(gao)壓(ya)(ya)濾(lv)波(bo)鈦電(dian)(dian)(dian)(dian)(dian)極電(dian)(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)(dian)容，工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)供(gong)電(dian)(dian)(dian)(dian)(dian)模(mo)塊(kuai)(kuai)觸(chu)點旋(xuan)鈕耗油(you)率管(guan)，UC3842本就(jiu)及外邊元(yuan)電(dian)(dian)(dian)(dian)(dian)子(zi)元(yuan)件(jian)等(deng)。查(cha)驗下哪(na)些元(yuan)電(dian)(dian)(dian)(dian)(dian)子(zi)元(yuan)件(jian)有(you)沒有(you)熱(re)擊穿，引(yin)路，受損，烤焦，碎裂等(deng)跡象。
維修費做法(fa)：應先認(ren)真思考查找(zhao)pcb電(dian)(dian)(dian)(dian)(dian)(dian)路板板中的幾大部件(jian)，看可(ke)不(bu)(bu)可(ke)以在哪(na)些(xie)部件(jian)的樣貌到(dao)(dao)底有(you)(you)找(zhao)不(bu)(bu)到(dao)(dao)有(you)(you)被(bei)燒糊, 可(ke)有(you)(you)有(you)(you)電(dian)(dian)(dian)(dian)(dian)(dian)解法(fa)液外溢(yi)，聞一(yi)(yi)聞可(ke)有(you)(you)有(you)(you)刺激性氣味。經看，聞后(hou)(hou)續(xu)，再(zai)換萬用(yong)表開展進行(xing)檢(jian)查。首選(xuan)估(gu)測(ce)(ce)(ce)一(yi)(yi)下(xia)吧電(dian)(dian)(dian)(dian)(dian)(dian)源線(xian)輸入高端(duan)(duan)的電(dian)(dian)(dian)(dian)(dian)(dian)阻值(zhi)(zhi)值(zhi)(zhi)，若小于等(deng)于200K，則證明后(hou)(hou)端(duan)(duan)開發有(you)(you)部位出(chu)(chu)現不(bu)(bu)導(dao)通毛(mao)細現象，之(zhi)后(hou)(hou)都檢(jian)測(ce)(ce)(ce)四(si)只整(zheng)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)感正，方向(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)容器和倆(lia)個(ge)限(xian)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)容器的阻值(zhi)(zhi)，看其有(you)(you)何出(chu)(chu)現不(bu)(bu)導(dao)通或(huo)損(sun)壞;最后(hou)(hou)再(zai)測(ce)(ce)(ce)量(liang)方法(fa)方法(fa)一(yi)(yi)番(fan)電(dian)(dian)(dian)(dian)(dian)(dian)源模塊濾波電(dian)(dian)(dian)(dian)(dian)(dian)感能(neng)(neng)(neng)否需要(yao)能(neng)(neng)(neng)展開通常充(chong)釋放(fang)，再(zai)就(jiu)測(ce)(ce)(ce)量(liang)方法(fa)方法(fa)一(yi)(yi)番(fan)按鈕耗油率管(guan)(guan)能(neng)(neng)(neng)否需要(yao)熱擊(ji)穿(chuan)(chuan)磨損(sun)，或(huo)者UC3842身，及(ji)(ji)周圈元件(jian)能(neng)(neng)(neng)不(bu)(bu)能(neng)(neng)(neng)熱擊(ji)穿(chuan)(chuan)，燒毀(hui)等(deng)。可(ke)以反映(ying)的一(yi)(yi)個(ge)是(shi)(shi)：因是(shi)(shi)在路預(yu)估(gu)，有(you)(you)可(ke)以會(hui)使預(yu)估(gu)導(dao)致有(you)(you)誤，發生誤判。所以用(yong)得(de)著(zhu)時可(ke)把元元件(jian)焊(han)下(xia)去(qu)再(zai)實行(xing)預(yu)估(gu)。若果仍會(hui)就(jiu)沒有(you)(you)上(shang)面的情(qing)況下(xia)則預(yu)估(gu)了解顯示電(dian)(dian)(dian)(dian)(dian)(dian)原(yuan)線(xian)及(ji)(ji)讀取(qu)電(dian)(dian)(dian)(dian)(dian)(dian)原(yuan)線(xian)能(neng)(neng)(neng)不(bu)(bu)能(neng)(neng)(neng)企業(ye)內部過壓(ya)。一(yi)(yi)樣的情(qing)況下(xia)下(xia)，擊(ji)穿(chuan)(chuan)器擊(ji)穿(chuan)(chuan)報警，整(zheng)流(liu)場效應管(guan)(guan)，電(dian)(dian)(dian)(dian)(dian)(dian)原(yuan)濾波電(dian)(dian)(dian)(dian)(dian)(dian)阻，按鈕開關電(dian)(dian)(dian)(dian)(dian)(dian)機功(gong)率管(guan)(guan)，UC3842是(shi)(shi)易(yi)損(sun)件(jian)，傷害的的幾率可(ke)以達(da)到(dao)(dao)95%綜(zong)上(shang)所述，基本(ben)上(shang)側重(zhong)點常規檢(jian)測(ce)(ce)(ce)出(chu)(chu)下(xia)許多(duo)元電(dian)(dian)(dian)(dian)(dian)(dian)子元件(jian)，就(jiu)可(ke)很簡單查出(chu)(chu)或(huo)者故章(zhang)。
故章情(qing)況二：蒸發(fa)器換(huan)氣扇(shan)不轉
一(yi)種洛(luo)天(tian)依現象基本是(shi)因把控小風扇(shan)的(de)(de)二極管(guan)(8550或8050)燒壞，以及cpu熱(re)管(guan)散熱(re)風扇(shan)自己燒壞或葉輪被異物卡住。但很啟閉電(dian)(dian)源線適配器中進行的(de)(de)是(shi)智慧(hui)cpu熱(re)管(guan)散熱(re)，而言進行這樣的(de)(de)玩法cpu熱(re)管(guan)散熱(re)的(de)(de)啟閉電(dian)(dian)源線適配器，熱(re)敏熱(re)敏電(dian)(dian)阻燒壞的(de)(de)概率計算(suan)公式是(shi)挺大的(de)(de)。
維(wei)修服務的(de)方(fang)式：先要(yao)用萬用表校正一(yi)會操作粉(fen)絲(si)的(de)三(san)級管(guan)能不弄(nong)壞，若測(ce)出此(ci)管(guan)未弄(nong)壞這就有會是粉(fen)絲(si)實際(ji)上弄(nong)壞。會把粉(fen)絲(si)從電(dian)路原理板上拔(ba)成功(gong)，其余插(cha)上有一(yi)個(ge)12V的(de)電(dian)流電(dian)(特別注意(yi)正負符號(hao)極(ji))，看(kan)能否轉，并看(kan)是不是臟東西卡住。若搖(yao)動(dong)幾次熱(re)管(guan)散熱(re)排(pai)氣(qi)扇(shan)的(de)家用電(dian)纜(lan)，熱(re)管(guan)散熱(re)排(pai)氣(qi)扇(shan)就轉，則(ze)證(zheng)明(ming)家用電(dian)纜(lan)內部人員有斷開連接或(huo)插(cha)頭觸碰(peng)不好(hao)。若仍(reng)不轉，則(ze)熱(re)管(guan)散熱(re)排(pai)氣(qi)扇(shan)必壞。面對用于智慧熱(re)管(guan)散熱(re)的(de)轉換(huan)開關電(dian)壓總(zong)的(de)來(lai)說，除按下列查檢(jian)外(wai)，還(huan)應(ying)查檢(jian)一(yi)個(ge)熱(re)敏電(dian)阻功(gong)率(lv)器功(gong)率(lv)能否不好(hao)或(huo)毀損，開焊(han)等(deng)。但要(yao)需要(yao)要(yao)注意(yi)此(ci)熱(re)敏電(dian)阻功(gong)率(lv)器功(gong)率(lv)為(wei)負溫(wen)度表彈性系數的(de)熱(re)敏電(dian)阻功(gong)率(lv)器功(gong)率(lv)，換(huan)成時(shi)應(ying)當需要(yao)要(yao)注意(yi)。
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