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donkey41
Joined: 19 Feb 2002
Posts: 91
Helped: 2
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 06 Sep 2006 4:56 how to sold 80-pin TQFP IC ? |
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hello there,
i have tried to sold a 80 pin TQFP IC but .. as you can imagin, i could not makt it possible 
any suggestion please, how should some try to sold it optimally ?
regards
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Quibbler
Joined: 06 Dec 2005
Posts: 19
Location: Trinidad and Tobago
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07 Sep 2006 18:25 Re: how to sold 80-pin TQFP IC ? |
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| I take it you mean solder. Can't be easy - steady hand - small clean bit.
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07 Sep 2006 18:25 Ads |
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angelote
Joined: 28 Apr 2005
Posts: 106
Helped: 11
Location: Spain
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08 Sep 2006 7:14 Re: how to sold 80-pin TQFP IC ? |
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1. paint pads with liquid flux
2. aling IC and solder a pin in a corner
3. aling again and solder the opposite pin
4. solder rest of pins using a bit of Sn
5. add flux and use desoldering cord to remove shortcircuits
6. if a shortcircuit is difficult to remove, make a Sn ball on it, an try again
It isn't easy to start. Always keep solering iron clean. Use a thin soldering iron.
Good luck.
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