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Search found 3 matches

by norm360X
Sat Dec 05, 2009 4:21 am
Forum: ThinkPad T4x Series
Topic: GUIDE: Reflow GPU fix - 56K WARNING!!!
Replies: 255
Views: 537535

Re: GUIDE: Reflow GPU fix - 56K WARNING!!!

Just a note to anybody attempting a reflow, I would highly recommend using liquid flux on the chip first. As per this video - http://www.youtube.com/watch?v=h2R_NqF5wAc I did this and my method of heating in the oven at 250c for 5 to 6 mins worked (so far 8 hours of testing). I'm also considering ge...
by norm360X
Sun Nov 29, 2009 7:54 am
Forum: ThinkPad T4x Series
Topic: T41 repair story
Replies: 12
Views: 10210

Re:

Interested to know if anyone has tried washing their keyboard in the dishwasher. There are plenty of posts around about people who have done it, and in theory it should work even if it does take a while to dry out. I placed a fairly dusty keyboard from a T41 in a basin of 50c water with some Fairy ...
by norm360X
Sun Nov 29, 2009 7:19 am
Forum: ThinkPad T4x Series
Topic: GUIDE: Reflow GPU fix - 56K WARNING!!!
Replies: 255
Views: 537535

Re: GUIDE: Reflow GPU fix - 56K WARNING!!!

Hi I put my board (T41 Radeon 7500) in the oven for 6 mins @ 250c with only the GPU exposed (top/bottom), the rest being wrapped in foil. I then let it cool down in a second oven switched off from 150c to try and prevent the solder cracking. I tested it for 2hrs in the semi-built state and it worked...

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