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My first Cap replacement

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My first Cap replacement

Postby Klinc » November 17th, 2011, 4:56 am

Heya
Well I notice how shovenose and others talk about replacing caps and so so I decided to give it a try. I've always been scared to try such things being afraid I might mess up something and blow something up. So here's what happened.

I bought a dell Optiplex for cheap from a yard sale. Decided to fix it up for my 5 yr old son. So I replaced the cpu with a E6300 dual core and popped 3gb of ram in it with a Radeon X300 gpu for so long. But the thing kept on freezing. So I removed the ram tried different sticks another psu. I first thought it was the ram cause it kept on stucking when running mem test or when running mini xp on Hirens boot cd.

But then a mate told me Dell boards are known for they're bad caps and I should check it out. So I inspected the board and what do you know 4 bad caps. So I thought ok get another mobo. But hell the mobos cost more than what the whole pc wouldve cost.

So I wrote down the caps sizes which was 2200muF and went down to the electronics store. Cost me less than 3 dollars for the four of them. Borrowed a soldering iron and a solder sucker from a mate and nervously took the board out and started to go to work. Hell half an hour later I was done and the pc is working perfectly. I wish I took pictures of how I did it but being my first time trying it that was the last thing going through my mind.

I never knew it was so easy. Not much a guy can mess up seeing that the ends is at the bottom and nothing else close to it that you can accidentally hurt with the soldering iron. Never again will I replace a thing by buying something new because of a bad cap.
So yeah I lost my cap virginity
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Re: My first Cap replacement

Postby shovenose » November 17th, 2011, 8:51 am

One problem: you have to make sure you use 105c rated low ESR caps! Most electronics shops don't carry those. But congrats On the repair!
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Re: My first Cap replacement

Postby Klinc » November 17th, 2011, 11:01 am

They were the exact same caps as the ones I removed. A mate went with me to the store as he fixes LCDs for a living. So he made sure I got the right stuff
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Re: My first Cap replacement

Postby c_hegge » November 17th, 2011, 12:50 pm

Cool. OOC, what brand and series did you use (and what were the failed ones)?
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Re: My first Cap replacement

Postby Klinc » November 17th, 2011, 2:01 pm

Brands? You get them in brands? They were black with 2200muF standing on it. That's all I know lol. Didn't see a brand name on it or it were to small to notice but I know the pc is working like a charm now. No more freezes. Running like a charm. If they go again then ill just fix them again lol
But maybe then i will look for some brand names lol
Btw what brands are good? Corsair? Seasonic?
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Re: My first Cap replacement

Postby c_hegge » November 17th, 2011, 3:37 pm

I menat brands of capacitors. There are only 6 good ones:

Chemi-Con (except for KZG and KZJ series)
Image

Nichicon (Except HM and HN series with pre-2005 date codes)
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Samxon (except GF and GL series)
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Rubycon
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Panasonic
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Sanyo
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If it's not one of the above, then you'll have to do this again when your replacment caps fail.
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Re: My first Cap replacement

Postby Klinc » November 26th, 2011, 9:12 am

c_hegge wrote:I menat brands of capacitors. There are only 6 good ones:

Chemi-Con (except for KZG and KZJ series)
Image

Nichicon (Except HM and HN series with pre-2005 date codes)
Image

Samxon (except GF and GL series)
Image

Rubycon
Image

Panasonic
Image

Sanyo
Image

If it's not one of the above, then you'll have to do this again when your replacment caps fail.

Thx for that. Think you should make a post explaining the good from the bad. The caps I got were no where near that colours lol they were they same colours as the ones I replaced. But next time I know Thx
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Re: My first Cap replacement

Postby c_hegge » November 26th, 2011, 1:31 pm

The colours aren't so much what tell the brand, since they can vary between series (even in the same brand). It's the markings on them.
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Re: My first Cap replacement

Postby shovenose » November 26th, 2011, 8:16 pm

c_hegge wrote:The colours aren't so much what tell the brand, since they can vary between series (even in the same brand). It's the markings on them.

I vote against Sanyo- I've recapped a video card that had a bad one.
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Re: My first Cap replacement

Postby c_hegge » November 26th, 2011, 9:15 pm

If it was bad, it would have been because it was overheated or otherwise stressed. Sanyo are just as reliable as panny and rubycon and always have been.
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