咱…親愛的眾網友~大家好!
各位早安~
今天跳過一些平常的維修case,來看一台早期17吋的螢幕維修,在本Blog左邊的欄位內,有我在google的Blogger內10大人氣文章中,也有一篇這個類似LCD的維修文,其實那是4、5年前所發表的了,當時都以Yahoo的blog為主要po文的基地,所以少在這邊做複製性的發表~
因次那篇文章,就這麼留著4、5年,因此~有機會成為人氣文章的前10名,如:
BenQ T705送電就亮白屏,待機;關機也是白屏!
話說這些機器在當年,都算是我的好教師,一台修過一台,維修經驗就這麼一直累積下來~
如今~這一類的機器,我幾乎不曾想再對它們撰寫任何文章~
現在!本篇的這一台,我是想藉此來講述一下,這款ㄟ維修~它…能檔多久?
一起來看看…
本篇主角~BENQ(明基)型號:FP71G+S
你可以看到~
它已經是『戰功彪炳』了,背後貼上了不少送修後的保固貼~
送件來時的故障狀態!
一插上市電,電源指示燈號有亮起一下下,不過~隨即熄滅!當然不能正常顯示訊息~
我拆機到此~
顯然已經有看到故障的元件~
上一次維修更替的元件,已經再次爆凸~
除了~剛剛上頭述說的故障點外~
這個位置!在原板上是有焊接零件的~
這邊~使用的零件規格,也非原板上所焊接的規格~
那麼在這邊,我們也看得出,當時除了更替故障的元件外,其它~看來沒事的零件,當然就于已省略囉…
背板焊點上~一堆的焊錫油垢~
而聽這位美媚主人說~它是底下這個時日買進使用的~
當然啦…二手機器買賣保固期,通常是3個月為期限,也有半年的~而從我這
(atun PC.LCD 液晶(LCD)大賣場 )再賣出的二手液晶,我都會標榜電路部份保固一年~即便是如我,長久的一年保固,在這個實例上,也還是已經過了保固期限,買主當然是無話可說~
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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!
大家早安~
昨天又是災難的一天,桃園的鐵皮屋大火災!
不幸的~有六位打火英雄不幸罹難,在此~同表哀悼之心……………
今天來看一台32吋的液晶電視維修~是底下這個廠牌、型號:BENQ(明基)型號:DV-3250 SA
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這是它的故障現象~
畫面~『泛紅~』、『扭曲~』、『歪斜~』…
請你注意看清楚~上、下半邊(水平)的亮度~
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另外~這邊有它的故障動態影片~
來拆機查檢了~
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早期電視~有許多機種都有加裝散熱風扇~
使用久了~當然灰塵就會有一堆…
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這是拆開背蓋後的內部概況~
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atunPCLCD 發表在 痞客邦 留言(1) 人氣()
咱…親愛的眾網友~大家好!
各位早安~
今天來看一台液晶電視的維修,這是從外地寄件來維修的一台電視!
同樣的驚奇,我以為這位網友只是隨便問問,沒想到在多日以後~
我竟然收到了一個大包裹…
箱內就是底下這一台~PANASONIC(國際)型號:TC-37VGL
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這是它的視訊盒~
國際牌的電視,老是喜歡搞一個外置盒在機器的背後,有的電視單獨一個『類比訊號源』,有的就還含有數位電視的訊號源,經過一再進化~
現在已經用整合晶片,將類比與數位整合在一起,就成了底下這一個視訊盒~不過~後來好像做得不怎麼理想,最後機器都會出現無訊號(若是你收看類比電視源的話)…
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這是我解下背蓋後的內部概況~
主人述說:『收看電視中,會出現閃爍的狀態…』有如這一個實例的翻版,在這邊:
液晶電視維修~VIZIO(瑞軒)型號:VX 37L HDTV,啟動後~背光閃爍不停!維修~
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看到它~
打從心中就知道~繼續再搞它下去,最後都是『無採工』的~
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測試中~
我沒有看到它有不良的閃爍狀態~不過~那只是短短的幾十分鐘而已…
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