Hacked Gadgets Forum

May 12, 2010

Desoldering an SMD IC with a Candle

at 8:54 am. Filed under Crazy Hacks, DIY Hacks, Electronic Hacks, What Were They Thinking

desoldering-smd-ic-with-a-candle


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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6 Responses to “Desoldering an SMD IC with a Candle”

  1. Michael Says:

    Torched PCB: my favorite smell.

  2. Sariel Says:

    i would think the soot would protect the pcb from direct flame.

  3. Michael Says:

    It’s possible, but doubtful. It’s not a very thick layer of soot. I think he just got lucky.

  4. treyk4 Says:

    Probably would have been smart to remove the caps first…

  5. zontar Says:

    What about gas lighter or zippo? less soot i suppose, but higher heat.

  6. Manekinen Says:

    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.

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