Level up Your Skills: Hot-Air Soldering Made Simple!
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- Опубликовано: 26 авг 2024
- After all the comments, here is a tutorial showing SMT/SMD soldering using the hot air. It is quick and the surface tension makes it easy! I always find it cool.
#ScottCard
#Electronics
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#SMD
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#hotair
#funny
#educational
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Nicely done Scott! My question is how do you ensure component integrity with that S08 package? How do we ensure too much heat hasn't damaged the chipset?
Thanks for the question. Two things we must do: make sure that the temperature of the air is not too high, and be quick. The heat takes time to soak into the die so we can get away with a lot more than if it were to soak. Also, because the air from the hot air iron is mixing with ambient air, the ic is not as hot as the iron.
How do you prevent or ensure you don't get a bridge under such a small component of the solder paste is completely under the component?
Definitely need to be mindful not to get too much solder, but it has not been a problem for me yet. The surface tension tends to make it pool on each terminal. Thanks for the comment.
@@ScottCard thanks for the info. I'm just learning to hot air and was worrying about that. Particularly since you can't see it
You will get the feel for it. A little too much is not a problem. The biggest trick is to keep the air speed low so you do not blow the parts off the PCB. 😉
@@ScottCard uh..... Nope.... Never done that.... 🤦.... That was actually attempt one. Had some diodes take flight. Any suggestions for little solder balls that just wind up in the middle of nowhere? Clean up with isopropyl? Or?
@@emf9 I use alcohol and an old toothbrush to clean the board. This also removes any extra flux.the alcohol evaporates quickly and is easy to clean up.
I got chip quik smd291ax and ts391ax (no refrigerator needed) because they seemed like the best options for resin flux instead of rosin. Did i pick wrong? Is there a reason you use the rosin based one you use? Better with the no lead solder? I have a el cheapo hot air gun i just got for now to learn.
I use led free because I have my children in my lab all the time, and I do not want to expose them. Cheep is good for learning and TBH, mine is still going after years of use.
I might attempt to remove/replace a 0402 6.3v 0.1uF capacitor that's shorted to ground on my Xbox PCB. But I'm not sure if the capacitor is bad itself or if there are other component/s that are shorted/bad in the circuit. My suspicion is the ICS network controller. 48pin IC. Since that supply the RJ45 connector with transformer.
Can you please look at the bad schematic? It's not really detailed.
Well, I don't know much about the Xbox but I am sure it is not powered from the ethernet jack. If there is a short in the capacitor, it will be quite hot and is an easy fix, but the odds of that being the main issue is slight as 100nF is typically just a filter and are quite robust. These do however sit across the power rails so, you are on the correct path if you found a short. Good luck, and happy fixing!😎
Hi Mr Scott when you said minimum fan speed its like 1 on a 8858+ hot air station?
Yes. Be sure the nozzle is as big as you can use as well. Obviously, you don't want to heat areas unnecessary, but you want a very light air speed and a tacky paste to prevent the components from going away!
@@ScottCardthat's new info to me. Many say use small nose tip on the heat gun lol.
Thanks for the info.
You mean big like full size ? I have all different tips with mine
@Evilslayer73 yes, as low as you can. If the flux is sticky you can turn it up, but do not blow the parts away!
What type of soldering paste are you used?
I use the Chipquik No clean. # TS391SNL50 or the tube version.
@@ScottCard Is this the flux mixed with soldering balls/particles you used at 3:59 of this video?
@@neverwasthere The flux is mixed with the paste. I use this product: www.digikey.ca/en/products/detail/chip-quik-inc/TS391SNL50/7802219
Hi, what is your microscope?
Here is what I use. I modified the base to have ventilation under it and may upgrade in the future, but it is great for what I do on a daily basis.
www.northshore-innovation.ca/product-page/1080p-digital-microscope-hdmi-vga-c-mount-remote-control-w-video-recorder
@@ScottCard Link broken or not available anymore 😢