Re: Asus A7N266-VM with two leeky capacitors.
- From: "Rob" <noone@xxxxxxxxxxxxxxxxx>
- Date: Thu, 5 Jun 2008 13:35:05 +0100
"Xam" <Xam@xxxxxxx> wrote in message news:g277ac$82t$1@xxxxxxxxxxx
William wrote:
"~misfit~" <misfit61nz@xxxxxxxxxxxx> wrote in message
news:4846374c$1@xxxxxxxxxxxxxxxxxxxxxx
Somewhere on teh intarweb "William" typed:
"Xam" <Xam@xxxxxxx> wrote in message news:g20vcc$2hr$1@xxxxxxxxxxxOr you could get your husband to do it for you. ;-)
Hi Gang.
Not the worst news but I have two leaky capacitors on my old
faithful Asus A7N266-VM. The caps are situated right next to the
CPU socket on the PCI slot side. The system still runs well, but
they only just started leaking yesterday, AFAIK.
If you look at the graphic on the link page below, youcan see them
quite clearly. There is two copper coils next to them on their
right, with the CPU socket on the left.
http://www.techtree.com/India/Reviews/ASUS_A7N266-VM_Motherboard/551-48937-636.html
It may just be a coincidence but, I was testing a 64DDR Radeon 7000
PCI card yesterday for a friend. The card worked fine in my system.
It was after the test (I let it run for a few hours) that I noticed
one tiny piece of smeg on the top of one cap. Now today there is a
whole lot more on the other, as well as about the same on the top of
the first. Can anyone tell me what they are for, what may have caused
this, and
can I just replace them? Also, is there anything else I should
know, before proceeding?
Thanks for your time and consideration of my problem.
-Adrian
Other hardware:
AMD Athlon 2000+ CPU.
1 gig of ram. (1 x 512 PC400 + 1 x 512 PC333)
2 x 40 gig HDD
1 x CD RW
1 x DVD RW
550 watt PSU
--
I'm not afraid to die.
I just don't want to be there when it happens.
--
Netscape>Mozilla Suite>Seamonkey
A blatant plug for the latest offering in a fine tradition.
http://www.mozilla.org/projects/seamonkey/releases
Browser, Mail & Usenet, HTML Editor and IRC Client.
All in one internet application suite.
Xam:
Do you have any experience working on pc boards that use surface mount
devices? Working with capacitors mounted on such pc boards that use
through-the-hole plating for signal/power path distribution requires
a high level of skill to work with to prevent damage to the board.
If you have experience, then you know this. If this is something new
to you, you should get your hands on an old discarded pc board and do
some practice and develop a technique for yourself. It will be
necessary to learn how to use a proper soldering gun/stick to melt
the solder around the leads of the capacitor without harming the pc
board.
Usually a solder sucker of some type is used to remove the molten
solder from the holes in use by the capacitors. A pair of pliers is
then used to move the capacitor leads around in the hole to confirm
the free movement of the leads before removal of the capacitor. It
is extremely important that you do not put any stress on the plating
used to coat the internal area of the hole in the pc board.
Repairing components on state-of-the-art pc boards has become such an
advanced skill that few technicians outside of large factory settings
have the equipment or skills to do such work for what a consumer
would be willing to pay for.
Be careful, practice, or you will render the pc board worthless.
William
It's always good to have a friend who does this kind of stuff and
purchase a good bottle of Whiskey for them to do the job for you.
(It's amazing what a good bottle of Whiskey will get done for you.)
--
He will get his butane burner out and use it. It worked OK on his truck
last time. Or maybe he will get that old wood burner out that he has
laying in his drawer left over from his Boy Scouts days doing Indian
motif projects for his badge. He'll have to knock off the sawdust of
course. That led acid solder should do the job left over from the pipe
work done last year on the sink.
William
lol.
Thanks everyone for all the tips.
I have done some solder work before, and even some of that was on PC
boards. But I don't own a solder sucker. I have always wanted one
though. This may just be the excuse I needed to buy one. (-: I usually
end up blowing the molten solder off. But this method has the problem
that it tends to blow it all over everything else.
I live in Australia, but should be able to find an Aussie site that is
the equivalent of badcaps.com. But I have to go to town today to buy
some other electrical stuff, so I will have a look.
The caps are only rated at 105 degrees (6.3v 3300uf), so I will look for
some 150 degrees caps. The lead spacing, I am not sure of though. The
caps are 10 mm across, so the lead spacing must be less than that. 6 or 8
mm perhaps.
Unfortunately, I am the most computer/electrical savy person I know.
Otherwise the whiskey option would definitely be the best.
I've heard of some that physically pull the cans off of the caps, leaving
the leads still connected to the mobo (obviously the internals of the cap
need cutting off, if they remain attached) and then have soldered the new
caps to these lead stubs.
I wouldn't recommend that method, but it's a possibility if you can't get
the old leads out.
HTH (and good luck!),
--
Rob
.
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