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Rolo’s electronics projects has an interesting technique for Desoldering an SMD IC with a Candle. This is not the correct way to remove this type of chip, use some hot air instead. He didn’t have any of the proper tools at hand and needed to get his Siteplayer up and running. A trip to the local computer shop scored him some over priced antique computer cards which had the surface mounted chip that he suspected he needed. The defective chip on the Siteplayer was removed one pin at a time with a soldering iron so that the board would not get damaged but this bends every pin of the chip being removed. Since the donor computer cards were only being used for the single chip a non-standard candle method was used to remove the chip, I am surprised at how well it worked! Once the newly harvested chip was installed the unit worked! This is hack that MacGyver would be proud of. |
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May 13th, 2010
Torched PCB: my favorite smell.
May 14th, 2010
i would think the soot would protect the pcb from direct flame.
May 14th, 2010
It’s possible, but doubtful. It’s not a very thick layer of soot. I think he just got lucky.
May 14th, 2010
Probably would have been smart to remove the caps first…
May 15th, 2010
What about gas lighter or zippo? less soot i suppose, but higher heat.
May 19th, 2010
hey, it’s not that stupid
I have desoldered chips in that way couple of times, if PCB was no more needed
fast, cheap, and easy
But first we need to remove all electrolytic capacitors, if not they can leak or explode.