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Broken Capacitor: Gigabyte GA-890FXA-UD5 HELP!

post #1 of 14
Thread Starter 
Hello, I need some intense help from someone who might know a thing or two about soldering and motherboard capacitors.

Background: I sold this board to a friend because I upgraded to a AM3+ for bulldozer. Somewhere between my house and his this capacitor fell off. The pictures shows what capacitor that fell off but unfortunately I do not have a picture of where it fell off from yet.

My questions to you guys are:
  1. Assuming it's for a PCIe slot, is it safe to run a video card in the mobo if the top 16x PCIe slot is not effected?
  2. Will there be stability issues?
  3. Is there anywhere I can purchase a new capacitor and solder it back on (I have the know-how)?
  4. Where can I find a part like this, as I cannot find one by googling? The part itself doesn't have long enough terminals coming off the capacitor as it broke off right below the casing.

The board, I would think, will not be covered by the warranty as it was my/ his fault because it happened somewhere when we were transporting it. Any help you guys can give me is much appreciated. THANKS!

700
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post #2 of 14
Same thing happened to me . Same capacitor(100/16V). In my case, that capacitor is from the onboard sound card, I assumed that is a filter on the + 12V(or 5V) line.
Mobo works perfectly without it.
That might be your case too(because of the capacitor's value), but from a diff place maybe, like onboard LAN or something else.
Its not a big deal to solder it back (be careful, the capacitor has a "+" pin and a "-" pin), so since your mobo is out the case, you can do it.
I didn't solder it back, I'm too lazy to take the mobo out:. biggrin.gif
Edited by IOSEFINI - 11/11/11 at 6:43am
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post #3 of 14
If you can get a picture of the mobo and the place where the capacitor is, we can give you a better reply. For now, the only way is test and see what happen.
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post #4 of 14
Hey everyone, I'm the friend he sold the board to. I will get you a pic of the mobo as soon as I get home tonight. As it is right now, I am at work. I installed the mobo last night and barring the usual problems associated with install, everything went smooth. I installed Windows 7 and a PCI-e graphics card I had laying around and everything appears to be in working order. This particular board has 2 LAN ports and both seem to be working as well. As far as I'm concerned, I dont need nearly as many pci-e slots as are on the board so, if it continues to work I may not break down and put another capacitor on there. As for the capacitor itself, it completely pulled off the legs. The body of the cap is on my desk but the legs are still soldered to the mainboard. It came from in between a couple capacitors in a row and as near as I can tell, there is no way for it to have been knocked off without damaging something else. The way it seems is that it just sort of fell off. Anyhoo, thanks for looking, I'll have pics of the board tonight.
post #5 of 14
Thread Starter 
Quote:
Originally Posted by hailtothkngbby View Post

Hey everyone, I'm the friend he sold the board to. I will get you a pic of the mobo as soon as I get home tonight. As it is right now, I am at work. I installed the mobo last night and barring the usual problems associated with install, everything went smooth. I installed Windows 7 and a PCI-e graphics card I had laying around and everything appears to be in working order. This particular board has 2 LAN ports and both seem to be working as well. As far as I'm concerned, I dont need nearly as many pci-e slots as are on the board so, if it continues to work I may not break down and put another capacitor on there. As for the capacitor itself, it completely pulled off the legs. The body of the cap is on my desk but the legs are still soldered to the mainboard. It came from in between a couple capacitors in a row and as near as I can tell, there is no way for it to have been knocked off without damaging something else. The way it seems is that it just sort of fell off. Anyhoo, thanks for looking, I'll have pics of the board tonight.

Thanks for jumping in. I think we should be alright. Try some extreme stress testing on all aspects of the board (video, CPU, memory, sound etc...). Since the response we got from IOSEFINI suggests that there should be no stability issues, we might be in the clear. I'm really crossing my fingers that it's for one of the lower PCIe slots or a USB port and not part of anything you can't live without.

Again, any suggestions of a site that might sell replacement capacitors of this type would be most helpful, as I would feel better if the capacitor could be reattached for good measure thumb.gif
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post #6 of 14
700
Here is the pic of the mobo. I circled the area where I believe the capacitor came from. Please give me some good news. Rig still appears to be in good working order...
post #7 of 14
Looks like it's from the sound card, the chips with the crab like images are the realtek chips. It's possible the 4 caps were in parallel instead of using 1 larger cap, if so everything should be fine without the missing cap (only speculating mind).
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post #8 of 14
If it were me I'd play it safe and resolder it :/.
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post #9 of 14
Looks like the pins are still attached to the mobo. You need a new capacitor.
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post #10 of 14
I say let the capacitor go to recycle bin and don t try to solder anything.
It looks to be from the audio chip V+ filtering circuit.If they are all 4 in parallel you had like 400 uF ,while now you have 300uF which is enough.
If you hear any strange noises just disable onboard sound in BIOS and buy a new sound card ,which will deliver better sound anyway.
Next time when you remove extras from the case make sure you remove them with the mobo out of the case smile.gif .
I presume you "uninstalled" that cap while trying to make space for a new add-on card..
   
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