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Thread: Soldering tools for PSUs re-working

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    Default Soldering tools for PSUs re-working

    Hi all!

    In your experience, for some basic soldering jobs (wires, connectors, caps, no PCB or SMD works, I'm not up to that task) which is the most suitable soldering station? And what about working on mobo's smaller caps?

    According to you, is a "classical" chinese 936-series (sold under various brands: Lukey, Atten, Repro, and so on) all you should need (even money-wise)?
    Otherwise, is a more complete soldering station (like the compact 878/8786-series or the larger 852/853/953-series) however required/recommended?
    Eventually is there any worthwhile alternative I didn't mention?

    Thanks in advance for any advice!
    Best, Luca

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    I have a Aoyue 936, and it works fine for those things.
    Last edited by -The_Mask-; 04-14-2015 at 07:30 AM.

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    If you wanna be truly hardcore about it, use an icepick and a blowtorch.
    Careful what you wish for... You just might get it.

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    Quote Originally Posted by -The_Mask- View Post
    I have a Aoyue 936, and it works fine for those thinks.
    Thanks Douwe!


    Quote Originally Posted by McSteel View Post
    If you wanna be truly hardcore about it, use an icepick and a blowtorch.
    Set aside teasing , what do you use (or what would you advice for, in case), Mac?
    Best, Luca

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    I am somewhat sceptical about soldering station being able to de/resolder cables in usual ATX power supply, at least without preheating. There is too much solder in there, you need high power to melt it.

    I myself use 150W transformer solder pistol, or 100W(+) solder pen, without thermal control.
    Last edited by Behemot; 04-15-2015 at 10:09 AM.

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    ^
    Nope. I've redone ATX cables with just a plain old temperature controlled 60W station a few times before. It takes a while to get things hot enough, but I got there. I did it on my Delta GPS-300AP after the fan quit and the original cables started to melt.
    No wonder it doesn't work! You installed the coils backwards

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    Quote Originally Posted by Behemot View Post
    I am somewhat sceptical about soldering station being able to de/resolder cables in usual ATX power supply, at least without preheating. There is too much solder in there, you need high pwoer to melt it.
    D'oh!™ All in all, perhaps McSteel may not be teasing...


    Quote Originally Posted by Behemot View Post
    I myself use 150W transformer solder pistol, or 100W(+) solder pen, without thermal control.
    But you are a "pro" (a true hardcore?), and that's not my case, at all! Thanks, Pavel!


    Quote Originally Posted by c_hegge View Post
    It takes a while to get things hot enough
    Did you miss then having an hot air gun, Callum, or definitely it didn't matter?
    Thanks to you too!
    Best, Luca

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    ^
    I didn't have a hot air gun at that point. The soldering iron was all I had, so that's all I used. It worked perfectly, and the PSU is still in service to this day. If I was doing it today though, then yes, I would definitely pre-heat it with hot air first.
    No wonder it doesn't work! You installed the coils backwards

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    I have no problems working on ATX power supplies using an original Hakko 936 (with conical or regular flat tip for big jobs) or a Pace HW50 (when finer tips are needed)

    They're both in the 50-60w range... Trick is using liquid flux where needed and the suitable tip for the job.

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    I use(d) ye olde Weller WES51, and had no troubles with desoldering even the cable bunches with mountains of solder on them. The trick is to use fresh, leaded solder and a generous amount of stronger flux, I myself prefer ammonium nitrate in petroleum jelly. Leaves a mess but any excess is easily cleaned with some cotton pads dipped in rubbing alcohol.

    I don't do practically any electronics repair these days, too busy with other stuff that actually pays to do around here
    Careful what you wish for... You just might get it.

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