Itouch 4th gen. Headphone board connector came off.

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Itouch 4th gen. Headphone board connector came off.

Postby WildCard007 » Fri Apr 04, 2014 7:35 pm

Hey,

I've been trying to get an Itouch 4th gen back up and running. As soon as I get everything ready to go (got the replacement screen, volume button cable, and wifi cable) I pop off the headphone jack from the baord and I realized that I pulled the piece that connects the headphone jack to the board off. I had to break the headphone jack cable but I was able to recover the piece that attaches to the board. I checked the board and there are no lifted pads. I checked the piece and everything looks good. It looks like there wasn't enough solder to hold the part to the board.
Now I have the piece that needs to be reattached to the board but I'm not sure how to reattach it without melting the piece in the process. I have used my Scotle 858D+ to remove and reattach small charge ports and other things before but I wasn't sure how it would work with this piece because it is mostly plastic and the charge ports were mostly metal. I'm looking for ideas to reattach the piece to the board without melting it in the process. I have included pictures to show you what I am working with. The piece I need to reattach to the board is sitting on a blue guitar pick


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Itouch 4th gen. Headphone board connector came off.

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Re: Itouch 4th gen. Headphone board connector came off.

Postby D4Rk » Sat Apr 05, 2014 5:45 am

Use a magnifying glass and flux.
Tin the points, place the part with tweezers and solder them into place.
Just dont let your iron stay on the points very long.
The heat will kill the component.

You may wanna use a small pointed soldering iron tip.
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Re: Itouch 4th gen. Headphone board connector came off.

Postby WildCard007 » Sat Apr 05, 2014 5:53 am

darkweezil wrote:Use a magnifying glass and flux.
Tin the points, place the part with tweezers and solder them into place.
Just dont let your iron stay on the points very long.
The heat will kill the component.

You may wanna use a small pointed soldering iron tip.


I appreciate the reply but even though the 3 side points might be doable with a fine tip the 2 above and below aren't. I'll edit the original post to show the size better.

EDIT: Apparently I deleted the original image I got the 3rd image from but basically you can see if you look at the 3rd image, the 2 points above and below that need to be soldered. There aren't any ways to use a soldering iron to get to them.
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Re: Itouch 4th gen. Headphone board connector came off.

Postby D4Rk » Sat Apr 05, 2014 2:22 pm

If your referring to the ground points you can tin those points then once the component is in place,apply some solder to the sides where the points are and it will make the attach. Not sure if that makes any sense. :facepalm:
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Re: Itouch 4th gen. Headphone board connector came off.

Postby WildCard007 » Sat Apr 05, 2014 9:34 pm

darkweezil wrote:If your referring to the ground points you can tin those points then once the component is in place,apply some solder to the sides where the points are and it will make the attach. Not sure if that makes any sense. :facepalm:


Oh Ok, I got it. Pre tin the solid 2 upper and lower points on the piece, flux the points on the board, then touch solder the points individually and let the flux do its work. Did I get that right? I know you didn't say flux but I thought that might help.
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Re: Itouch 4th gen. Headphone board connector came off.

Postby D4Rk » Sun Apr 06, 2014 5:36 pm

Yep. Thats what I meant. haha
Please use flux. :)
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Re: Itouch 4th gen. Headphone board connector came off.

Postby jaymbyrne » Thu Apr 24, 2014 8:25 pm

you could use low melt solder for the top and bottom points that way you wont have to heat board up that much with hot air wand then solder side points with either leaded or lead free solder as per normal.i use this method for iphone battery connector and other points that are similar
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