How to solder a broken processor leg
Hello!
Recently I saw topics about repairing iron here. This topic is very interesting to me, since I myself often repair all kinds of iron. I am familiar with computers quite widely, but repair is my job and, in a sense, a hobby. I haven’t specifically studied this business anywhere, I don’t know electrical engineering, I teach everything by trial, the benefit of iron is enough.
In this article I wanted to talk about the repair of processors, namely about cases when they lose their legs. I had to repair such a patient last week.
Athlon XII 630 processor:
4 core chip, fell during the assembly of the computer and lost a leg (I didn’t fall from my hands) It’s clear that with such a chip you don’t even need to replace the service; the only way out is to solder a leg. I have encountered such cases before, because now I already knew what to do and soldered the chip in two minutes. First you need to figure out how to replace the leg, of course with a wire, at first I thought of a wire from a twisted pair cable but it is too thick, after reflection and trial, the best option was a wire from an ideal 80 pin cable. I’ll say that, for example, from a 40-pin one, it’s bad, because there were a lot of wires inside the wires, and at 80 of the contact loop all lived from separate wires. These postings are very good.
On the right is the train that we need
And so we cut off the postings of 2-3 centimeters, on the one hand we clean it a bit (it turns out even with just nails!) And bend the tip of the wiring literally by a millimeter, just to the side. This will be the base of the processor foot that we solder to the pad on the processor.
Now the processor. It is necessary to remove the rest of the leg from him if there is one. The processor leg completely looks like this:
The most important thing is if the leg has disappeared and the round footboard is removed so that only the contact point remains on the processor. I soldered this processor with a 25-watt Soviet soldering iron, although I did it with 40-watt. My leg fell off with the pad, but if it remained then it is easy to remove it with a soldering iron, the main thing here is to keep your hands from shaking. At the place of desoldering-soldering, you first need to drip the flux, usually from rosin and alcohol, no fiction ... So the platform is removed:
Now we solder a little solder to the place of contact, make a ball for ourselves.
Next is our leg from the wiring, tin it at the end at the place where we bent the wiring. Well, now soldering. Since our foot is long, we can normally hold it with one hand, and solder the other. Here, without unnecessary gestures, it is advisable to gently solder a foot from one approach.
Something like this should turn out:
Well, almost everything, now it remains only to bite with the wire cutters a part of the leg that stands too high in comparison with other legs. It is also advisable not to make a large snowdrift of tin at the place of soldering the leg so that the processor sits normally. And you need to solder the leg so that it is parallel to the legs in other rows, that is, the “appendicitis” that we bent on the soldered leg should slightly protrude beyond the contact area on the processor, to the outside of course, so as not to accidentally short-circuit with the other leg. It is made to keep the leg tighter, since I don’t think that when sewing a simple vertical leg, it will hold tight.
Now that's it, put the processor in the computer, turn it on and enjoy. Everything works everyone is happy.
Who wants to try, I recommend first training on some Athlons of XP, where the legs are still quite large.
Plus, I want to add so that those who have new systems under intel are not happy, even though there are no legs on the processor, they are on the socket, and if they break, you don’t solder.
Recently I saw topics about repairing iron here. This topic is very interesting to me, since I myself often repair all kinds of iron. I am familiar with computers quite widely, but repair is my job and, in a sense, a hobby. I haven’t specifically studied this business anywhere, I don’t know electrical engineering, I teach everything by trial, the benefit of iron is enough.
In this article I wanted to talk about the repair of processors, namely about cases when they lose their legs. I had to repair such a patient last week.
Athlon XII 630 processor:
4 core chip, fell during the assembly of the computer and lost a leg (I didn’t fall from my hands) It’s clear that with such a chip you don’t even need to replace the service; the only way out is to solder a leg. I have encountered such cases before, because now I already knew what to do and soldered the chip in two minutes. First you need to figure out how to replace the leg, of course with a wire, at first I thought of a wire from a twisted pair cable but it is too thick, after reflection and trial, the best option was a wire from an ideal 80 pin cable. I’ll say that, for example, from a 40-pin one, it’s bad, because there were a lot of wires inside the wires, and at 80 of the contact loop all lived from separate wires. These postings are very good.
On the right is the train that we need
And so we cut off the postings of 2-3 centimeters, on the one hand we clean it a bit (it turns out even with just nails!) And bend the tip of the wiring literally by a millimeter, just to the side. This will be the base of the processor foot that we solder to the pad on the processor.
Now the processor. It is necessary to remove the rest of the leg from him if there is one. The processor leg completely looks like this:
The most important thing is if the leg has disappeared and the round footboard is removed so that only the contact point remains on the processor. I soldered this processor with a 25-watt Soviet soldering iron, although I did it with 40-watt. My leg fell off with the pad, but if it remained then it is easy to remove it with a soldering iron, the main thing here is to keep your hands from shaking. At the place of desoldering-soldering, you first need to drip the flux, usually from rosin and alcohol, no fiction ... So the platform is removed:
Now we solder a little solder to the place of contact, make a ball for ourselves.
Next is our leg from the wiring, tin it at the end at the place where we bent the wiring. Well, now soldering. Since our foot is long, we can normally hold it with one hand, and solder the other. Here, without unnecessary gestures, it is advisable to gently solder a foot from one approach.
Something like this should turn out:
Well, almost everything, now it remains only to bite with the wire cutters a part of the leg that stands too high in comparison with other legs. It is also advisable not to make a large snowdrift of tin at the place of soldering the leg so that the processor sits normally. And you need to solder the leg so that it is parallel to the legs in other rows, that is, the “appendicitis” that we bent on the soldered leg should slightly protrude beyond the contact area on the processor, to the outside of course, so as not to accidentally short-circuit with the other leg. It is made to keep the leg tighter, since I don’t think that when sewing a simple vertical leg, it will hold tight.
Now that's it, put the processor in the computer, turn it on and enjoy. Everything works everyone is happy.
Who wants to try, I recommend first training on some Athlons of XP, where the legs are still quite large.
Plus, I want to add so that those who have new systems under intel are not happy, even though there are no legs on the processor, they are on the socket, and if they break, you don’t solder.