咱…親愛的眾網友~大家好!
上一週!DELL(戴爾)的螢幕像是著了魔,得了『機瘟』是吧?一直有一堆網友打電話,或是留言詢問,有些可能考量費用?沒有寄件前來維修,否則我的工作室可能會陷入DELL(戴爾)螢幕的機海中~
今天先來看這一台,DELL(戴爾)2407WFPb~
這是主人從基隆寄來的外包裝~
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現在是送電了!
可是我按『POWER』鍵,它是沒有辦法啟動的~
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來拆機查檢了~DELL 2407WFPb
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這是解下後蓋後的內部電路分佈,跟2408WFPb差很多的內裝~
主人說不會啟動(指示燈不亮、螢幕也不會亮!),當然指示燈都沒亮了,不可能螢幕會亮起的(我這不是在說廢話嗎?)~
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查量電源板進入主板的電壓是有的~
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這個位置是查量的重點…
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經過對它的處理~現在已經有了啟動的指示燈了~
atunPCLCD 發表在 痞客邦 留言(1) 人氣()
咱…親愛的眾網友~大家好!
今天按照輪值,換來看一台液晶電視的維修,是底下這個廠牌、型號~
FujiMaru(富士丸)型號:RA- 32Z11,好久沒有遇到FujiMaru(富士丸)這個廠牌了,這個主人說它是『燦坤』牌,這也算對啦,因為它就是燦坤字興組裝的自有品牌,一起來看看囉~
我載回就沒有腳座,直接往工作桌上擱著了~
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看這外觀(輸入介面),像是當下對岸針對LED型態電視,所做的對應驅動公板~
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這裡多了一組,數位與類比的TV訊號
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這是它的故障現象~
我來描述一下,它可以啟動,也顯示了『WELCOME』的LOGO出來,下一個動作需要轉換到輸入的訊號源來顯示!
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可惜就沒有出現畫面,僅有亮起背光而已~當然也沒有聲音出現(這個很重要喔~)
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在此同時~電源啟動指示綠燈常亮下,我想要關機,卻是沒有作用的~也就是說無法用『POWER』按鍵來關閉電視!就卡在這邊啦~
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來拆機查檢~順便看一下它的內部電路分佈狀態~
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atunPCLCD 發表在 痞客邦 留言(0) 人氣()
咱…親愛的眾網友~大家好!
各位早ㄢ~這一篇維修文章至少晚了兩月沒PO,因為一直有同類型寄種寄件來,或是自行送修前來,挑一、兩個實例,比較特別的,來給它文字敘述,一起來看看…
這是從外地寄件來維修的~ASUS(華碩)型號:TF502T
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這個角落撞擊地面~
上、下蓋已經扭曲、爆裂甚為嚴重!!!
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正面觸控屏玻璃當然無法倖免於難,呈現放射線的分裂~不過還可以開機啟動!
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已經被撞擊到分裂了,所以根本不必再拆解,幾乎不費力氣,就可以將其分離為兩個部位~
在觸控總成尚未到貨前,我想這個扭曲、變形基板背蓋非得先行矯正不可~不然完整的觸屏一來~怎麼尬回背蓋基座~
重裝備取出~來給它『板金』再『板金』
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就用破裂的這塊來做尺規,不然~你敢在裝上新品後,在這個變形的角落敲敲又打打嗎?
現在你看他是不是非常的『端正』了
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新品已經到來,連框在一起。省得我再拆卸邊框~再上邊框~
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