咱…親愛的眾網友~大家好!
昨兒個夜裡,跟兩台BenQ(明基)的液晶混戰,真是有夠好運氣啦!兩台的主要故障點,都是壞在主機板上,大台的電視,有幸運的找到故障點(不過~也是查找好久…),小台的本篇主角,怎麼找就都找不出來…?
於是乎~一起來看下去囉~底下本篇主角外觀!BenQ(明基)型號:FP93V,我常常在說的『小白~』
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現在你所看到的是它的故障現象!我送電了~也按了POWER按鍵~但是,指示燈號就是沒有亮起,這個現象與先前所遇過的同型機器,幾乎是相同的故障狀況,那麼,會是相同的故障點嗎?
讓我們繼續看下去…
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一拆開背板~所有的電路及零件,看來都是無異狀的,過去常遇見PI板上的零件異常,在這一台身上,完全沒有看到!
哇~這下可好了…?
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我來查量一下,主板上的兩個主要電位,DC3.3V及DC5V,也都有到達主板PIN端~
看來~問題並非出在『PI板』上,而是…
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是本機的主板出了大紕漏嗎?繼續給它看下去…
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我查量過了按鍵,並無接觸不良的現象!電位也都有到達按鍵端!
這下真的奇怪了…?
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atunPCLCD 發表在 痞客邦 留言(1) 人氣()
咱…親愛的眾網友~大家早~
首先~先來感謝全球各地網友(由其是咱在地台灣的網友們)熱情點閱及推薦,很快的,本Blog的瀏覽人數已經竄升到『40000』人次,再與前一個10000人次(30000人次時)相比較下,時間上也有縮短了一個月,前兩期的10000人次,大概須要經過3個月的時間,才能夠達到~看來人氣真的在上升中喔,我也很『厚臉皮』的跟一些網友客戶,『索討』按(g+1)來增加(g+1)的數字,藉以增加人氣指數,在此跟那些被我索討過的客戶,再說聲『謝謝囉~』,也請多多包涵…
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這裡比較有趣的是:遠在美國的網友,竟是本Blog瀏覽人數的第二個名次,可見懂得中文的人仕還真的超多的說,其實也真的有從美國打越洋電話來詢問維修的人仕(像是大陸口音),可惜他並沒有將機器寄來維修,不然將打破我住最遠的客戶的紀錄!
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好啦~慶祝完畢後,繼續回來看主題,今天來看電視的維修,是底下這一台,外觀跟這一實例一樣,如:
液晶電視維修~DIY維修手下亡魂 PART Ⅵ Toshiba(東芝)型號:37HL86G,一路被修到掛!
好像是都是OEM的吧?
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它們都是使用同樣的主板,所以輸入的介面,大致都是相同的~
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在上頭標題,我文字就打得清楚,『冒煙了~』我現在手指頭指的位置,真是臭味沖天(很濃厚的燒焦味)~
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因此~我載回當然沒有再送電測試,趕緊來拆解大鐵蓋,查看冒煙的源頭?
這兩個是它的視訊盒~
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內部電源板與它的主機板~
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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!
今天繼續來看最近處理的一些平板其中一台,是ASUS(華碩)廠牌,型號是:KOW,另一個別名叫:ME172~
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它的內屏液晶已經破裂,啟動後顯示不良,完全已無影像!
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而且聽說受到撞擊後,這些開關鍵,音量大小鍵,都已全然無作用,碰觸按鍵板並無感覺到觸碰了按鍵開關!
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這是它的背蓋造型~
請看清楚,下回我在詢問你,是何種機種時,你可以根據它的背蓋來做描述,這樣就不會一問三不知?
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拆解機器!
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那些固定螺絲,竟然已經撞擊到自行脫落,這個感覺很不解?
我之前曾經懷疑是客戶自行拆解的(那是在一台TF300T中發現的~),後來我又陸續在其他的平板中,發現到撞擊後的平板,很容易有螺絲脫落的現象~
除了螺絲脫落外,另一個就是啟動的按鍵,這一型號很容易就崩落!上一回的實例也有按鍵脫落,如:平板電腦維修~ASUS(華碩)型號:KOW(ME172V)POWER鍵無作用、及觸屏破裂更新維修~,現在又遇到了它,按鍵也還是脫落!
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先來拆解主板,先把按鍵焊接回去再說,因為要先來看看,主板的功能完善否?
atunPCLCD 發表在 痞客邦 留言(0) 人氣()