大家好~我是曾仔…
大家早安~今天持續來看一台老螢幕的維修~是底下這一款不知名、白牌的液晶螢幕,所以~它並沒有型號?
![](https://2.bp.blogspot.com/-GwtSr6YjnhE/Vv0xgSvfFxI/AAAAAAAA5o0/vqrYlPlWpFELO64zdqAaV3Z9L_PhD1xKA/s640/021.JPG)
只有看見外殼前面有個『Yang』這個字樣,姑且就喚它為:『Yang 19』吧!
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主人前天送件來時,一直跟我說,這是以前送修到我這裡的~
可是我左看、右看、上看、下看,怎麼看都不像是我處理過的機器,一看就知道手法不同~
![](https://3.bp.blogspot.com/-QAASahVWQHE/Vv0xgaikpfI/AAAAAAAA5ng/EYaweZiip7UmE0fzu_iJkWUcdvBLKJKSA/s640/023.JPG)
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拆解到內部!
這是標準的自行組裝機器,一塊公用驅動主機板,一塊背光驅動板,再外加一個外置電源適配器~不過原先機器的內裝應該是這樣的:
![](https://3.bp.blogspot.com/-HD6-Cj2kK0I/Vv20vGV5M4I/AAAAAAAA5pc/HVWrGBDRPnw3bya023TzK2YR1ZuQctAog/s640/P1010023.jpg)
![](https://2.bp.blogspot.com/-dnkzaKULjWs/Vv0xgai69QI/AAAAAAAA5ng/zo8r1xDVZCceT20NRT3feNX5vmjyHDaBA/s640/027.JPG)
由於~都不是原機器的電路!固定孔位置當然都不合適~
所以~到處糊滿熱溶膠來加以固定~我只能說:『糊得有夠難看!』
![](https://3.bp.blogspot.com/-jwlqvdC-APY/Vv0xgVR2R5I/AAAAAAAA5ng/-5I-o_pvehgoitPIkFAs-7jyzIs1rpGOQ/s640/028.JPG)
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大家好~我是曾仔…
大家午安~我跳過了許多的實例,直接來看現今正要PO文的這一台:
SHARP(夏普)型號:LC-32BD5T,一起來看看囉…
那一天測試時,開機開了許久…,它終於被我啟動,只是啟動後~有時它可正常顯示,有時又像是訊號不良似的,胡亂顯示……,如下圖照所示…
![](https://3.bp.blogspot.com/-jNbQsSDlXvs/VvpKqEdKmbI/AAAAAAAA5kI/CSa2Oqhcp9YXmU82t5OT0zge_MBUKYPAA/s640/051.JPG)
![](https://1.bp.blogspot.com/-PQOjoH02Ijw/VvpKqHuIsSI/AAAAAAAA5kI/5Ag3hZaTXIoDEuAB5zO0lsxtEyne0VoLQ/s640/052.JPG)
![](https://2.bp.blogspot.com/-F7H9tsOulv4/VvpKqJZYEuI/AAAAAAAA5kI/Fs5S5UyMBBct5Z6TPbF0ykvEjxKqKXqbA/s640/053.JPG)
![](https://2.bp.blogspot.com/-6VAEI-2oKUo/VvpKqP_Q9GI/AAAAAAAA5kI/hc8c8N-sBIcsQkGWh5zzjY75t_jgc1b1g/s640/060.JPG)
我找看看還有沒有在別的Blog內?……
找到了喔~在這邊:
『先前若是前一夜有熱機,隔天開機一定花屏,若是只試一會,隔多久開機都OK,這也是當時我修好電源板,開機是OK的原因了!
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大家好~我是曾仔…
大家早安~時隔多日未見…,有想我嗎(呵呵…好噁心…)?因為有點忙碌說…
今天來看一台螢幕的維修,還蠻古老的一台液晶螢幕……
底下本篇主角:ViewSonic(優派)型號:VG910b
![](https://2.bp.blogspot.com/-QPzsyV1DrpI/VviIXVyOuOI/AAAAAAAA5bI/KSnhA1jJ0DQDAztNbHF2yu3L-Au1t4l0A/s640/001.JPG)
![](https://1.bp.blogspot.com/-YSeO53PJKeU/VviIXVSXP6I/AAAAAAAA5bM/_8HDrI5GbXEiZ1gedxt18ZDzb6aQpRAEg/s640/002.JPG)
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我們直接拆機了~一會再說明怎麼沒拍它的故障現象~
![](https://1.bp.blogspot.com/-Bdd4XZFUiuc/VviIXftqSqI/AAAAAAAA5bc/ELLSzpW3qxU6KC6OvFvuS9UOQTmqk918A/s640/005.JPG)
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全部脫光光~終於來到了電路部位…
![](https://3.bp.blogspot.com/-L7VJQZD6CyA/VviIXYhcFUI/AAAAAAAA5bk/rCTAfXCatJo3Yd1hrJ15PEZqfg1qOfi0A/s640/009.JPG)
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早期螢幕~
各個電路都是獨立分開,再以線路來連結~
![](https://2.bp.blogspot.com/-ArGa-grEmHI/VviIXcNDbqI/AAAAAAAA5bs/jdQCiUpN3rYjv__tP1Wxo4QV9vjuSIByA/s640/011.JPG)
![](https://4.bp.blogspot.com/-k0pQu5Sy_hE/VviIXRcOMkI/AAAAAAAA5bw/sukftycqs9YBgU0tBVok2J8S3U47LIKWA/s640/012.JPG)
映入眼簾的!立馬已經看見燒毀的零件…
所以~不拍它是因為送電後,電源部位因無電壓輸出,所以並無指示燈號顯示!當然就無所反應,因此…
![](https://3.bp.blogspot.com/-geuFX53sF2g/VviIXZ14SeI/AAAAAAAA5b0/pjq8VhYlMqQ7F17WvFemqoiVVQ_TbnlKA/s640/013.JPG)
解下電源板部位。準備來大整修…
![](https://2.bp.blogspot.com/-3APBU1KzIu8/VviIXbwWC_I/AAAAAAAA5b4/uCk3En-jcOkBmt2urb6LG2jX7a7TfV_BQ/s640/014.JPG)
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