Identify broken contact pad in charging port

Question

Samsung Galaxy S III

The Samsung Galaxy S3 is a multi-touch, slate-format smartphone with eye-tracking ability, increased storage, and a wireless charging option.

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marvmen21 @codekmarv

İtibar: 21

Inteced C.R

2

1

Gönderildi: 23 Ara 2016

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Identify broken contact pad in charging port

Hi, I have this motherboard that has a broken contact pad where the charging port is soldered. I wanna try a jumper if its possible, but I am not sure where I should solder the jumpler wire to.

Look at the picture, from the botton up is the fourth contact pad that is missing.

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steve @steve77088

İtibar: 31

4

1

Gönderildi: 23 Ara 2016

Seçenekler

That pad looks like a ground to me. See the large blue trace? Thats usually a ground plane. Just bridge the pad that is left to the ground or put a jumper between 1 and 3 off what is left of trace. 4 and 5 look common as well. Use flux as solder wont stick as your working with it well.

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Thanks for your reply, I just edited my question, I wrote third, but is actually the fourth one that is missing.

marvmen21 tarafından 23 Ara 2016

Since the charging port you can buy the whole daughter board separately I personally would just stock up on these charging ports.

Ben tarafından 24 Ara 2016

My bad, didnt paid attention I had selected s4, the motherboard is from a SIII, the GT-I9300I. So, I don't have the option to replace just that part.

marvmen21 tarafından 24 Ara 2016

I soldered the port back and didn't solder a jumper yet. It charges well, and connects to the computer well, too. I am still wondering what that pin is for, I guess it might be ground after all. However, in the picture Ben shared, it goes somewhere else.

marvmen21 tarafından 24 Ara 2016

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Thanks for your reply, I just edited my question, I wrote third, but is actually the fourth one that is missing. — marvmen21
Since the charging port you can buy the whole daughter board separately I personally would just stock up on these charging ports. — Ben
My bad, didnt paid attention I had selected s4, the motherboard is from a SIII, the GT-I9300I. So, I don't have the option to replace just that part. — marvmen21
I soldered the port back and didn't solder a jumper yet. It charges well, and connects to the computer well, too. I am still wondering what that pin is for, I guess it might be ground after all. However, in the picture Ben shared, it goes somewhere else. — marvmen21