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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="pq8w8w4" 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>灘尖子家電維修,家電維修</p><p><span>***更新：</span>2021-01-16 07:10:19</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3ubtaho" 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="h8g4fco" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7hewtv3" class="box"><p><p> <span style="font-size:16px;">電壓法檢測是所有檢測手段中基本、常用的方法。經(jīng)常測試的電壓是各級(jí)電源電壓、晶體管的各極電壓以及集成塊各腳電壓等。一般而言，測得電壓的結(jié)果是反映電器工作狀態(tài)是否正常的重要依據(jù)。電壓偏離正常值較大的地方，往往是故障所在的部位。電壓法可分為直流電壓檢測和交流電壓檢測兩種，灘尖子家電維修。（1）交流電壓的檢測（2）直流電壓的檢測對(duì)直流電壓的檢測，首先從整流電路、穩(wěn)壓電路的輸出輸入手，灘尖子家電維修，根據(jù)測得的輸出端電壓高低來進(jìn)一步判斷哪一部分電路或某個(gè)元器件有故障。對(duì)測量放大器每一級(jí)電路電壓，灘尖子家電維修，首先應(yīng)人該級(jí)電源電路元器件著手，通常電壓過高或過低均說明電路有故障。直流電壓法還可檢測集成電路的各腳工作電壓。這時(shí)要根據(jù)維修資料提供的數(shù)據(jù)與實(shí)測值比較來確定集成電路的好壞。</span> 缺少氟利昂不制冷，根本不制冷。灘尖子家電維修</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="灘尖子家電維修,家電維修" src="https://tyunfile.71360.com/UploadFile/lzjcjdwx/637303153802421875/2782497.png"></div><p> <span style="font-size:16px;">在這里需要特別說明一下，由于燈泡具有冷阻非常低的特性，所以用在一些具有限流保護(hù)的電源時(shí)，會(huì)造成電源開機(jī)即保護(hù)的情況。針對(duì)這種情況，有兩種解決辦法：一種是待電源啟動(dòng)開后再接入燈泡；另一種則是把燈泡先接入市電，讓燈泡工作一會(huì)，待燈泡預(yù)熱后再接入電路。用于開關(guān)電源的檢修時(shí)，也可以同時(shí)用兩個(gè)燈泡接在電路中。即一個(gè)接在保險(xiǎn)管處，為開關(guān)電源限流；另一個(gè)接在電源的輸出端，用燈泡作電源的假負(fù)載。妙用三：用于行電路當(dāng)行管損壞并更換行管后，把燈泡串入行供電的回路中，燈泡給行管限流的效果還是非常不錯(cuò)的。舉個(gè)例子：一臺(tái)TCL電視發(fā)現(xiàn)行供電電阻開路，行管并沒有損壞，觀察行部分沒發(fā)現(xiàn)有明顯的損壞痕跡，但也不敢盲目的更換電阻，怕開機(jī)后引起很更大的損失。</span> 灘尖子家電維修指示燈亮，說明電源已加入指示燈電路，故障在電熱管或其連接部分。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="灘尖子家電維修,家電維修" src="https://tyunfile.71360.com/UploadFile/lzjcjdwx/637303393206015625/8364529.png"></div><p> 電磁爐維修中的故障快速判斷與維修技巧正常工作電磁爐表現(xiàn)為；正常啟動(dòng)，風(fēng)扇轉(zhuǎn)，正常加熱，無鍋時(shí)能保護(hù)并報(bào)警。故障表現(xiàn)多種多樣。這里有個(gè)小方法；在維修之前，建議在輸入電源上（插頭連線部分）串接150W---200W燈泡作限流，目的是防止造成不必要的損壞，同時(shí)觀察燈泡的發(fā)光情況就可以初步判定故障部位。這樣比較省時(shí)省力，同時(shí)避免走彎路。電路虛焊是維修當(dāng)中常碰到的問題，解決這個(gè)問題時(shí)有一個(gè)很好的小竅門；一般維修電視時(shí)開箱，清洗電路板勢必不可少的步驟，在清洗電路板時(shí)，先不要去除電路板背面焊腳上的浮灰，必要時(shí)可以往上撒一些，然后直接用軟刷沾酒精反復(fù)清洗，自然晾干，在干后你會(huì)發(fā)現(xiàn)你凡是在周圍有一圈或濃或淡的黑色印記的焊腳，基本上都可以判定為虛焊。這是因?yàn)橹灰摵付紩?huì)有大小不等的縫隙，而用此方法后酒精會(huì)帶著細(xì)灰填補(bǔ)進(jìn)去，形成明顯的標(biāo)示。這個(gè)方法很有效，避免了反復(fù)的維修耽誤工時(shí)，有興趣你不妨試一試。 </p><p> <span style="font-size:16px;">電路虛焊快速判斷的小竅門這里需要說明兩點(diǎn)：1），串接燈泡和通電前一定要測量電源插頭的正反向阻值，只有在大于400歐姆時(shí)才可以試電，否則要開蓋檢查。2），維修完成后也可用此方法試機(jī)，可避免二次維修和故障擴(kuò)大化。具體觀察結(jié)果總結(jié)如下：1），上電燈泡就亮；主回路有短路現(xiàn)象。2），上電不亮，能啟動(dòng)，但開始加熱時(shí)燈泡長亮；同步電路或振蕩電路有故障。3），上電正常，放鍋加熱燈泡不亮，并同時(shí)顯示故障代碼或每隔三秒左右響一聲，說明不檢鍋，故障主要在同步，震蕩，推動(dòng)或PWM脈寬調(diào)制電路和浪涌保護(hù)電路等，比較復(fù)雜。4），上電正常，放鍋加熱，燈泡間歇亮，顯示故障代碼或隔1--3秒響一聲，接假負(fù)載也如此，同樣說明不檢鍋，但故障部位在電流檢測電路或主回路電容。正常應(yīng)為，上電正常，不放鍋具時(shí)燈泡</span><span style="font-size:16px;">間歇亮，放鍋具后常亮，亮度隨檔位變化。</span> 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="灘尖子家電維修,家電維修" src="https://tyunfile.71360.com/UploadFile/lzjcjdwx/637303391161718750/9163338.png"></div><p> <span style="font-size:16px;">熱水器在使用過程中漏電的問題如何解決？熱水器使用過程中漏電。這是一個(gè)很嚴(yán)重的故障要經(jīng)常注意。原因分析：①風(fēng)壓開關(guān)調(diào)節(jié)不適當(dāng)；②吸氣嘴位置不恰當(dāng)；③硅膠管脫落或龜裂導(dǎo)致漏氣失壓不能推動(dòng)風(fēng)膜；④風(fēng)壓開關(guān)失靈；⑤脈沖器故障。解決辦法：①調(diào)節(jié)風(fēng)壓開關(guān)至適當(dāng)位置；②調(diào)節(jié)吸氣嘴；③插上或更換硅膠管；④更換風(fēng)壓開關(guān)；⑤更換脈沖器。熱水器的指示燈亮但不能加熱原因分析：①發(fā)熱管接插端接觸不良或斷線；②發(fā)熱管燒壞。解決方法：①檢查排除；②更換發(fā)熱管。；②調(diào)節(jié)吸氣嘴；③插上或更換硅膠管；④更換風(fēng)壓開關(guān)；⑤更換脈沖器。熱水器在使用過程中出現(xiàn)指示燈不亮且不能加熱的情況應(yīng)該怎么辦？原因分析：①溫控器接插端接觸不良或斷線；②溫控器燒斷解決辦法：①檢查排除；②更換溫控器。</span> 操作臺(tái)面及附近地面比較好鋪上絕緣橡皮。這不但可以減少觸電的危險(xiǎn)，也可以避免一些家電的外殼不小心被磕碰。城關(guān)區(qū)西門子家電維修上門</p><p style="text-indent:25px">電源插座比較好不要放在桌面上，而是安裝在工作桌對(duì)面的墻上或直立在木板上。灘尖子家電維修</p><p> <span style="font-size:16px;">電流法的間接測量實(shí)際上是用測電壓來換算電流或用特殊的方法來估算電流的大小。欲測晶體管該級(jí)電流時(shí)，可以通過測量其集電極或發(fā)射極上串聯(lián)電阻上的壓降換算出電流值。這種方法的好處是無需在印刷電路板上制造測量口。另外有些電器在關(guān)鍵電路上設(shè)置了溫度保險(xiǎn)電阻。通過測量這類電阻上的電壓降，再應(yīng)用歐姆定律，可估算出各電路中負(fù)載的電流的大小。若某路溫度保險(xiǎn)電阻燒斷，可直接用萬用表的電流檔測電流大小，來判斷故障原因。3．幾點(diǎn)說明（1）遇到電器燒保險(xiǎn)或局部電路有短路時(shí)，采用電流法檢測效果明顯。（2）電流是串聯(lián)測量，而電壓是并聯(lián)測量，實(shí)際操作時(shí)往往先采用電壓法測量，在必要時(shí)才進(jìn)行電流法檢測。嚴(yán)禁大面積地采用代換試驗(yàn)法，胡亂取代。這不僅不能達(dá)到修好電器的目的，甚至?xí)M(jìn)一步擴(kuò)大故障的范圍。</span> 灘尖子家電維修</p><p> <span style="font-size:16px;">城關(guān)區(qū)張?zhí)K灘精城家電維修是一家專業(yè)服務(wù)于各大廚具家庭和餐飲企業(yè)及酒店售后服務(wù)的專業(yè)化、高效化、及時(shí)化的公司。主營廚房排煙風(fēng)機(jī)凈化器的安裝維修和清洗，廚房煙罩煙管大灶等廚房設(shè)備的清洗和保潔。服務(wù)期間，贏得了許多星級(jí)酒店和廚具公司的一致好評(píng)，也得到了大、中院校、餐飲事業(yè)食堂的一致信任。選擇一個(gè)專業(yè)的大型油煙機(jī)維修清洗服務(wù)公司，就能長久解決油煙管道油垢帶來的煩惱。經(jīng)過多年來以過硬的技術(shù)及高度的責(zé)任感，合理的收費(fèi)在家電維修行業(yè)中脫穎而出,為行業(yè)樹立了質(zhì)量服務(wù)先鋒的典范。公司實(shí)行統(tǒng)一管理、統(tǒng)一培訓(xùn)、統(tǒng)一派單、統(tǒng)一收費(fèi)。您一個(gè)電話，我們就能為您解決生活中的煩惱。為了保證維修質(zhì)量公司設(shè)有：空調(diào)維修部，冰箱維修部，熱水器維修部，洗衣機(jī)維修部和小家電維修部。每個(gè)</span><span style="font-size:16px;">類別都是專修，正規(guī)注冊(cè)公司，保您修后無憂。</span> </p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2870810.html</p></div></div></div></div></div><div id="jfcjl8w" class="page-right twoColRt"><div id="xlikm7n" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fur8wtf" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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