GTX470進入系統藍底白字 簡易拆修(看圖說故事)

leonlp001

http://bbs.pigoo.com/data/attachment/album/201608/06/021334xugi3xq7jxfvvxj7.jpg
這張470之前供電MOS有燒毀,PCB有斷線幾經處理還能使用.不過外觀實在是太慘只能留著自用或客戶送修時臨時借給客戶使用
http://bbs.pigoo.com/data/attachment/album/201608/06/021329a6qii488xm3ned4e.jpg
今年1.2月份借給客戶回來後被告知有問題就一直丟著.前幾天有空就順便拿出來處理一下.通常籃底白字多為晶片問題.
http://bbs.pigoo.com/data/attachment/album/201608/06/021339rit7fsijx4i84f98.jpg
內部如圖
http://bbs.pigoo.com/data/attachment/album/201608/06/021344xezz9idtjaniaini.jpg
擦乾淨晶片
http://bbs.pigoo.com/data/attachment/album/201608/06/021348x223u2dibqqoc2d1.jpg
側面觀察錫球是否正常
http://bbs.pigoo.com/data/attachment/album/201608/06/021354ptt1srgr043fbrsv.jpg
準備取晶片上新錫.
http://bbs.pigoo.com/data/attachment/album/201608/06/021400idvvbeuleu9a34do.jpg
取下晶片
http://bbs.pigoo.com/data/attachment/album/201608/06/021406jaoejsbkbwjtajvk.jpg
晶片果然脫焊
http://bbs.pigoo.com/data/attachment/album/201608/06/021414cyybyoskosn5hook.jpg
晶片以新錫代過
http://bbs.pigoo.com/data/attachment/album/201608/06/021422deu7ekb72e010mss.jpg
底板準備除錫
http://bbs.pigoo.com/data/attachment/album/201608/06/021430vqijjftjaoljrhi3.jpg
除錫完成
http://bbs.pigoo.com/data/attachment/album/201608/06/021438abzqipoboziil5ki.jpg
清洗底板
http://bbs.pigoo.com/data/attachment/album/201608/06/021446h74vg7agmgwdw9al.jpg
晶片除完錫
http://bbs.pigoo.com/data/attachment/album/201608/06/021459rkoutuso8tuodu8b.jpg
小鋼網植球
http://bbs.pigoo.com/data/attachment/album/201608/06/021507i00n0434wm0cm0oi.jpg
上完錫球晶片準備鐵板燒植球
http://bbs.pigoo.com/data/attachment/album/201608/06/021516nb0w22inxx6wnv0z.jpg
完成後準備重上GPU
http://bbs.pigoo.com/data/attachment/album/201608/06/021523jicbzco58wc4w68m.jpg
BGA完工圖
http://bbs.pigoo.com/data/attachment/album/201608/06/021533bttzncd1nczn3d1t.jpg
由下往上關觀察錫球是否正常到位
http://bbs.pigoo.com/data/attachment/album/201608/06/021540wdgl7uigwiu4917f.jpg
由上往下關觀察錫球是否正常到位
http://bbs.pigoo.com/data/attachment/album/201608/06/021551obff2fn12829cacq.jpg
開始安裝散熱組件
http://bbs.pigoo.com/data/attachment/album/201608/06/021558fa8k70m7rssmo3rv.jpg
完成圖
http://bbs.pigoo.com/data/attachment/album/201608/06/021609yvl0i306initmx0x.jpg
開機測試.可正常進入系統.
http://bbs.pigoo.com/data/attachment/album/201608/06/021617sgvmzeobbbwbwnvd.jpg
3DMARK03 測DX9
http://bbs.pigoo.com/data/attachment/album/201608/06/021626l33cacvsjg3vvz93.jpg
BENCHMARK 測DX10
http://bbs.pigoo.com/data/attachment/album/201608/06/021632e1uvcxvs9c9thm8c.jpg
3DMARK11 測DX11
http://bbs.pigoo.com/data/attachment/album/201608/06/021638tiuiyzi99uhymh3i.jpg
最後在室溫32度下燒機半小時看是否有不穩定現象.最後完修.

eson0724

可惜圖沒正確的PO上!!  

leonlp001

eson0724 發表於 2016-8-7 04:34 AM
可惜圖沒正確的PO上!!

沒辦法..新手呗.

eson0724

leonlp001 發表於 2016-8-7 05:45 AM
沒辦法..新手呗.

看一下相關說明!!

draculaxx

我滿好奇的。。。。。。

那個GPU那麼重，熔接時錫珠怎麼沒有在回焊時壓扁？？？？n_079|

kxmil

draculaxx 發表於 2016-8-7 11:04 AM
我滿好奇的。。。。。。

那個GPU那麼重，熔接時錫珠怎麼沒有在回焊時壓扁？？？？ ...

我覺得是錫的表面張力大過重量,小弟猜的啦~