甘肅海爾家電維修公司精城家電維修部供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="家用電器常出現(xiàn)的問題1、電阻器因通過電流過大，造成電阻自身碳化變色，有燒焦味，斷路（多為短路性故障）。2、電解電容器的漏液，，開裂（多為過壓）。電解電容器的脫皮，卷皮（多為過熱）3、晶體三極管的炸裂（多為雷擊）4、顯像管的外傷，發(fā)藍(lán)光，"><meta name="keywords" content="甘肅海爾家電維修公司,家電維修"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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class="twoCol"><div id="3234g8p" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jydq/">家用電器</a>?<a href="http://m.cdcfah.com/cp/second-jydq_shjd/">生活小家電</a>?<a href="http://m.cdcfah.com/cp/third-shjd_qtshjd/">其他生活小家電</a>?甘肅海爾家電維修公司精城家電維修部供應(yīng)</p><div id="es79aef" class="leftbox clearfix"><h1>甘肅海爾家電維修公司精城家電維修部供應(yīng)</h1><div id="ocegsef" class="proBig"><div id="gzqhtu8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lzjcjdwx/637303153802421875/2782497.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cahtk7n" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lzjcjdwx/637303153802421875/2782497.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="clxjvug" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>甘肅省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>甘肅海爾家電維修公司,家電維修</p><p><span>***更新：</span>2020-08-23 06:12:55</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tevh74q" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">城關(guān)區(qū)張?zhí)K灘精城家電維修部</a></p><p><span>聯(lián)系人：</span>周林敏</p><p><span>郵箱: </span>939833376@qq.com</p><p><span>電話: </span>18919858018</p><p><span>傳真: </span>0931_</p><p><span>網(wǎng)址: </span>http://lzjcjdwx.shop.88360.com</p><p><span>手機(jī): </span>0931-2905122</p><p><span>地址: </span>甘肅省蘭州市城關(guān)區(qū)張?zhí)K灘12號(hào)(馬路東側(cè))</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="cwy7dkq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="m79juqh" class="box"><p><p> <span style="font-size:16px;">家用電器常出現(xiàn)的問題1、電阻器因通過電流過大，造成電阻自身碳化變色，有燒焦味，斷路（多為短路性故障）。2、電解電容器的漏液，，開裂（多為過壓）。電解電容器的脫皮，卷皮（多為過熱）3、晶體三極管的炸裂（多為雷擊）4、顯像管的外傷，發(fā)藍(lán)光，燈絲不亮，顯像管不發(fā)光，水平亮線，回掃線，偏色，無彩色不同步等。5，甘肅海爾家電維修公司、偏轉(zhuǎn)線圈有沒移位。6、高壓帽有沒有脫落。7、電源插頭，耳機(jī)插座，高頻頭，機(jī)內(nèi)接插件有沒有接觸不良，假焊等。8、機(jī)械零部件如旋鈕，按鍵，電源開關(guān)，天線等有沒有不到位，甘肅海爾家電維修公司，脫落。9，甘肅海爾家電維修公司、印制板有沒有霉斑，虛焊，燒斷等10、機(jī)板元件面的元件</span><span style="font-size:16px;">有沒有旁線（轉(zhuǎn)修機(jī)更要注意）。11、磁芯及可調(diào)整元件有沒有松動(dòng)脫落等。12、保險(xiǎn)絲有沒有燒斷。13、機(jī)內(nèi)有沒有冒煙的元件及冒煙的部位等。14、轉(zhuǎn)修機(jī)的修理情況等。</span> 開機(jī)操作顯示均正常，但不加熱。甘肅海爾家電維修公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅海爾家電維修公司,家電維修" src="https://tyunfile.71360.com/UploadFile/lzjcjdwx/637303153802421875/2782497.png"></div><p> <span style="font-size:16px;">由于電路的系統(tǒng)性(即電路由一個(gè)個(gè)功能模塊組成)，當(dāng)某一功能模塊出現(xiàn)故障時(shí)，我們就只需專心研究這一部分即可，而不必對(duì)之全盤理解后才去修它。但話又得說回來，作為一名維修人員，懂理論于否是很重要的，我們說重視動(dòng)手實(shí)踐并不就可以完全不要理論。畢竟，在理論指導(dǎo)下的實(shí)踐會(huì)有效得多。因此，我們也應(yīng)當(dāng)努力學(xué)習(xí)電路理論知識(shí)，無論是從課本還是課外書，盡力使自己向著既具備理論知識(shí)，又有實(shí)際能力的目標(biāo)邁進(jìn)。希望大家看完本文之后，都能夠排除顧慮，自己動(dòng)手。在這里將會(huì)介紹基本維修電器方法，檢修方法是檢修工作的基本功之一，為了初學(xué)者對(duì)檢修概況所了解，本章介紹幾種檢修方法，如有費(fèi)解之處可暫時(shí)擱置，在后續(xù)實(shí)驗(yàn)制作中逐步掌握。這些方法并不是一成不變，而應(yīng)針對(duì)電器的故障靈活地運(yùn)用，才能收到好的效果。</span> 甘肅海爾家電維修公司可檢查雙金屬片是否變形或松動(dòng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅海爾家電維修公司,家電維修" src="https://tyunfile.71360.com/UploadFile/lzjcjdwx/637303151880859375/2172148.png"></div><p> <span style="font-size:16px;">故障檢修的比較好步驟應(yīng)是：光柵——黑白圖象——彩色圖象——伴音1、先檢修光柵故障，電視屏幕上的光柵是顯示圖象的前提，沒有光柵，屏幕就漆黑一片，就談不上收看圖象。其他故障也無法暴露出來。因此：光柵故障是首先要排除的故障，光柵故障發(fā)生的部位是，電源電路、行、場(chǎng)掃描電路，亮度通道及顯象管電路。檢修光柵應(yīng)先檢查電源電路，測(cè)量電源電路輸出電壓是否正常，然后再檢修行、場(chǎng)掃描電路。只需用萬用表交流檔測(cè)量行輸出變壓器有無燈絲電壓輸出。就可以判斷行掃描電路工作是否正常，檢查亮度通道及顯象管電路。2、光柵正常了，就檢查黑白圖象，檢查黑白圖象時(shí)，應(yīng)把色飽和旋鈕向左旋至小。將AFT開關(guān)撥至OFF位置，用手進(jìn)行微調(diào)，將圖象調(diào)至清晰度比較好位置。觀察黑白圖象是否正常，正常的黑白圖象應(yīng)是清晰，穩(wěn)定，灰度層次分明，雪花干擾很小，圖象任何部位不應(yīng)出現(xiàn)彩色，無回掃線，圖象線性良好，中心位置準(zhǔn)確。</span> </p><p> <span style="font-size:16px;">具有較為復(fù)雜電子電路的家用電器一般都附有詳細(xì)的電原理圖，并在其測(cè)試位置上注有明顯的波形圖，這些便是波形法檢測(cè)的重要基礎(chǔ)。波形法是利用測(cè)量?jī)x器觀察家用電器中的高頻，中頻，視頻，振蕩，掃描以及放大電路中的波形，波幅，頻率，位置特性，它還可以觀察到各類寄生振蕩，寄生調(diào)制等現(xiàn)象。波形法是尋找和發(fā)現(xiàn)乃至排除故障很有效的方法，尤其是排除疑難故障，使用這種方法非常方便。波形法也叫動(dòng)態(tài)觀察法，它通常用于比較復(fù)雜的家用電器，并在它們處于工作狀態(tài)時(shí)進(jìn)行檢測(cè)的，因此在操作時(shí)務(wù)必注意安全。應(yīng)用波形法檢修時(shí)，通常使用的測(cè)試儀器有兩種，其一是示波器，應(yīng)用**多的有同步示波器如STB—5等型號(hào)，脈沖示波器如SBM—10型號(hào)等，它可以觀察脈沖的波形寬度，幅度，周期以及穩(wěn)壓電源的紋波電壓和音頻放大器的輸出波形：其二是頻率特性測(cè)試儀，即通稱為掃頻儀，常用的有BT—3和BT—5等型號(hào)，它可以用來檢測(cè)各種電路的頻率特性、頻帶寬度，電路增益以及陷波網(wǎng)絡(luò)的吸收特性。</span> 為了保證維修桌面的安全和方便，照明燈比較好使用吊燈，盡量不用臺(tái)燈。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅海爾家電維修公司,家電維修" src="https://tyunfile.71360.com/UploadFile/lzjcjdwx/637303391625263672/4022878.png"></div><p> <span style="font-size:16px;">簡(jiǎn)單的家電，維修卻并不簡(jiǎn)單，修好后要保證質(zhì)量，技術(shù)可靠那是首要的。我們或許并沒有那些老師傅那么熟練精干，但我們可以摸著石頭過河——邊修邊學(xué)。查完外部查內(nèi)部，發(fā)現(xiàn)問題修一修，修完之后再檢查，接著通電看運(yùn)行，運(yùn)行不通拿手機(jī)，搜百度問學(xué)長，然后再把問題干。）修理前的準(zhǔn)備工作1、在修理電視機(jī)以前必須了解被修電視機(jī)的電路原理，信號(hào)流程，正常狀態(tài)下各點(diǎn)的工作電壓及波形。準(zhǔn)備好被檢修機(jī)的圖紙資料，包括電原理圖，印制板圖等。2、打開后蓋前，必先了解該機(jī)的外殼結(jié)構(gòu)，以免操作不當(dāng)損傷機(jī)殼。3、準(zhǔn)備好必要的測(cè)量?jī)x器，工具及備用元件，一般條件比較好的修理部具有示波器等儀器。4、檢修前要仔細(xì)了解電視機(jī)損壞的經(jīng)過，用戶使用處的接收條件及電網(wǎng)電壓波動(dòng)等情況。這對(duì)正確的判斷是非常有效的。希望大家不要</span><span style="font-size:16px;">忽視！</span> 常見原因是電源電壓過低、室內(nèi)電源線路或插頭座接觸不良，應(yīng)首先排除。西固LG家電維修公司</p><p style="text-indent:25px">修理底板帶電的電器時(shí)，應(yīng)用隔離變壓器供電。甘肅海爾家電維修公司</p><p> <span style="font-size:16px;">直觀法的特點(diǎn)是十分簡(jiǎn)便，不需要其它儀器，對(duì)檢修電器的一般性故障及損壞型故障很有效果。直觀法檢測(cè)的綜合性較強(qiáng)，它是同檢修人員的經(jīng)驗(yàn)、理論知識(shí)和專業(yè)技能等緊密結(jié)合起來的，要運(yùn)用自如，需要大量地實(shí)踐，才能熟練地掌握。直觀法檢測(cè)往往貫穿在整個(gè)修理的全過程，與其他檢測(cè)方法配合使用時(shí)效果更好。原理電阻法是利用萬用表歐姆檔測(cè)量電器的集成電路、晶體管各腳和各單元電路的對(duì)地電阻值，以及各元器件自身的電阻值來判斷故障的一種檢修方法。應(yīng)用電阻法是檢修故障的基本的方法之一。一般而言，電阻法有"在線"電阻測(cè)量和"脫焊"電阻測(cè)量?jī)煞N方法。電阻法是檢修故障的**基本的方法之一。一般而言，電阻法有"在線"電阻測(cè)量和"脫焊"電阻測(cè)量?jī)煞N方法。"在線"電阻測(cè)量，由于被測(cè)元器件接在整個(gè)電路中，所以萬用表所測(cè)得的阻值受到其它并聯(lián)支路的影響，在分析測(cè)試結(jié)果時(shí)應(yīng)給予考慮，以免誤判。正常所測(cè)的阻值會(huì)比元器件的實(shí)標(biāo)標(biāo)注阻值相等或小，不可能存在大于實(shí)標(biāo)標(biāo)注阻值，若是，則所測(cè)的元器件存在故障。</span> 甘肅海爾家電維修公司</p><p> <span style="font-size:16px;">精城家電專業(yè)清洗大型油煙機(jī)采用高壓射流加強(qiáng)力化油劑，專業(yè)清洗大型油煙機(jī)的油煙管道以及油煙罩的內(nèi)部掛油及附油，可根據(jù)大型油煙機(jī)的情況實(shí)施多種可行性清洗方案，并可對(duì)風(fēng)機(jī)進(jìn)行徹底清洗。大型油煙機(jī)清洗注意事項(xiàng)：１、注意安全問題：首先應(yīng)該完全切斷大型油煙機(jī)的電源，嚴(yán)禁帶電清洗大型油煙機(jī)，由于大型油煙機(jī)清洗多數(shù)采用**度的堿性清潔劑，因此需要做好清潔人員的全身防護(hù)，以免清潔劑燒傷皮膚。2、保持空氣暢通：清洗油煙管道時(shí)應(yīng)保持管道內(nèi)空氣流通，若是較長的油煙管道還應(yīng)該在管道口安裝臨時(shí)小型抽風(fēng)機(jī)。3、注意照明問題：因多數(shù)大型油煙機(jī)清洗都是在夜間進(jìn)行，這就要增加臨時(shí)燈光設(shè)置，保證油煙機(jī)和油煙管道內(nèi)部每一處都能有足夠的光線照射得到。</span> </p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1009578.html</p></div></div></div></div></div><div id="ulc3xuf" class="page-right twoColRt"><div id="viuw74c" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="onkmjvr" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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