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Old September 27, 2008, 02:04 PM
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Exclamation Need options regarding soldering a cap

I did a new loop today with some of my new parts - all went well, the loop has no leaks and everything looks great. I'll write a full worklog eventually, along with a part list.



All was fine-and-dandy until I rocked the case to remove some air... I then heard some noise and found this on the bottom of the case, next to the pump:





Now, using SKYMTL's review of the 280GTX, I can be sure that this cap doesn't come from the video card. Next, using Gigabyte's own picture of my board (the X48-DQ6 Rev. 1.1), I'm pretty sure I've found the location - where the arrow is pointing to the yellow circle:



I'm used to weld metal, I can solder wiring but caps? Never done this. What are my options, aside from buying a new board.

Thanks.
John
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Old September 27, 2008, 02:23 PM
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It's entirely probable that the board will work fine without it. However a skilled individual could put it back on in about 10seconds. This is a pretty simple repair. You should read This Guide and you can probably put it back on yourself.
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Old September 27, 2008, 02:24 PM
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John, if the board contacts themselves are not damaged, it should be a very simple repair. Heat up the contacts, use some solder wick (braided mesh used for soaking up excess solder, I used to repair PCB's for a marine control outfit). Resolder cap to board.

However, a very careful inspection of the board is needed to make sure the contact areas are ok.

Good luck.

Edit: Dr. B beat me to it. Nice find on the Guide, BTW.
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Old September 27, 2008, 02:25 PM
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I've never had to solder on PCB, but it should be as simple as holding the solder iron (not gun) to the contact points on the bottom, and pushing the individual cap leads through. Make sure you've got the same orientation (I don't remember if caps are directional or not) and once the solder is liquid and the lead is through it, remove the solder iron tip, but don't move the lead for a few seconds otherwise you'll get a cold solder joint.
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Old September 27, 2008, 02:28 PM
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Quote:
Originally Posted by sswilson View Post
I've never had to solder on PCB, but it should be as simple as holding the solder iron (not gun) to the contact points on the bottom, and pushing the individual cap leads through. Make sure you've got the same orientation (I don't remember if caps are directional or not) and once the solder is liquid and the lead is through it, remove the solder iron tip, but don't move the lead for a few seconds otherwise you'll get a cold solder joint.
This will work if the cap and board are not damaged.
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Old September 27, 2008, 02:48 PM
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Thanks guys (and yycraven via PM!) for the "good" news. Here are some pics:





And the connection point, LEC11 - if it's the correct point:



Guess I need to educate myself in light soldering...
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Old September 27, 2008, 02:52 PM
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Since the contacts don't go through the board, you'll make your life a hell of a lot easier if you solder a couple of short wire lengths to the motherboard to use as standoffs.
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Old September 27, 2008, 02:58 PM
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You could also straighten the legs out and use the round contact points, which go through the board.

Edit: And more pics of the loop would be in order too. Is that a round res?
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Old September 27, 2008, 02:59 PM
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I love my wife - she saw the pics and said "That's nothing, Dear. I'll resolder that after supper."

What? Looks like she has done that in her past... we'll see.
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Old September 27, 2008, 03:01 PM
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Quote:
Originally Posted by 3.0charlie View Post
I love my wife - she saw the pics and said "That's nothing, Dear. I'll resolder that after supper."

What? Looks like she has done that in her past... we'll see.
Heh... that's kind of an odd thing to not know about.... :)
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