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Soldering help

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yotsuya:
Actually, I've never desoldered. What the general process in regards to that?

RandyT:

--- Quote from: yotsuya on April 06, 2011, 01:27:05 pm ---I have a cheap iron I picked up on eBay years ago, but I've only used it one or two times, and on nothing as precise as what I would be doing with the Turbo Twist board (or maybe the thought of having to do it five times in a row is what I find intimidating).
--- End quote ---

The type of tip is one of the more important parts of soldering.  Certain tips are made for certain purposes, and having the right one, provided one knows how to use them, can make all of the difference in the world.  You might be surprised to know that the soldering of fine pitch parts, much smaller than the TT2 board repair, can be done with a tip that is nearly .200" in diameter.  So a grounded unit which can accept multiple tip types, and one which allows for at least some type of heat control, is recommended.  But soldering is a skill, like welding or painting, and it takes some time to become proficient.  If you are good at soldering, you can make just about any iron do what you need it to in a pinch. 


--- Quote ---Do you guys use dedicated workbenches with magnifying glasses and such?

--- End quote ---

We do.  Lots of light, fume extractors and strong magnifiers for checking the work as well.  Be careful if you solder on your dining room table.  The chemicals and metals in many solders and fluxes are not bio friendly, so don't eat while you do it, wash your hands thoroughly afterwards, and clean up well.  Also be sure to provide plenty of ventilation, especially if you have young kids.  If you plan to do a lot of soldering, invest in a smoke extractor.

RandyT

nick3092:

--- Quote from: yotsuya on April 06, 2011, 01:50:48 pm ---Actually, I've never desoldered. What the general process in regards to that?

--- End quote ---

There are 2 ways of doing to really. You can buy copper wick that you lay on top of the joint, and then use the iron to heat the wick. The wick then sucks up the solder. The other way is to use a special tool that sucks up the hot solder in a rubber bulb. Some require you to use your iron to heat the joint, and some have an iron incorporated. Also, watch your heat when desoldering. Too much and you can pull the copper pad right off the PCB. I did that while re-capping my TurboDuo. Luckily I was able to tap in to the other end of the trace. But that might not always be so easy.

And on a side note, props to Randy for fixing the part. That is customer service.

HaRuMaN:
I'll take a picture of my setup when I get home...  (take a look at my custom title, lol)

I use an el-cheapo Radio Shack grounded soldering iron for everything, and I do a LOT of soldering.

I have a plastic, suction based de-solderer.  The copper braid stuff is practically worthless.

yotsuya:
What do you do, use the iron to melt the existing solder and then suction it up? How is the braid supposed to work?

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