
客戶:新竹 寄修
品牌型號:宏碁 ACER ASPIRE 6920G
故障原因:開機畫面全黑~開機沒影像~無法開機~CPU核心供電異常
維修方向:維修更換CPU核心供電元件
CPU核心供電故障~示波器驗證詳解篇(ACER 4736ZG)
看一下主角
開機的樣子

開機後可過電~沒畫面顯示~但非顯示卡故障
解焊故障的NEC電容

更換ESR日製鉭質電容~富士通330UF/2.5V

風扇及散熱器清潔


散熱膏重上~採用COOLERMASTER PTK-L01

開機測試~並監控改裝銅片後的溫度有無異常

測試無誤~完修
相關
rico
前往rico的日誌
hello
i very impress by the work you do. your work inspires me to go to another level. but yet i do not know where to search for those datasheets to verify what you did in this post "tantalum capacitors to Fujitsu 330UF/2.5V".
if you understand me plzz tell me i`m new with this and i do not know where to search for those datasheets and why did you put those fujitsu capacitors like that? other motherboards got the same? how do they look? what was the messure that you see that resulted it was broken and you need to replacE? 😀 i know a lot for a noob 😛
You can see how to repair the CPU Vcore error verify
http://tw.myblog.yahoo.com/vito3c/article?mid=6700
SO…u want to buy tantalum capacitors can find E-BAY search 330UF 2.5V
find the SANYO AVX NEC…anyone LOW ESR tantalum capacitors
well can done the any produce of NEC capacitors NB