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Windows 7: Soldering motherboard capacitors

14 May 2012   #1

Windows 7 Ultimate x64
 
 
Soldering motherboard capacitors

Hello,

I once created thread in Crash sub-forum, where I complained about frequent BSOD's and freezes. I now took a closer look of my motherboard and found 5 capacitors that are bulging, where only 1-2 has this brown thing on top of it.
I don't have special equipment, but since sending MB to repair service costs same much as buying new motherboard of same time, I will try to replace capacitors by myself. And I have some questions about it:

1) Can I use regular soldering iron ?
2) Do I have to use any liquid on motherboard=> 3) Can I burn a hole (melt) my MB with soldering iron without using any liquid ?

Thank you

My System SpecsSystem Spec
14 May 2012   #2

Windows 7 ultimate 64 bit / XP Home sp3
 
 

First off I would suggest investing in the right tools for the job. Something like this.
http://www.sears.com/shc/s/p_10153_12605_SPM6125721501P?sid=IDx20070921x00003a&ci_src=14110944&ci_sku=SPM6125721501

Here's a pretty good How To
http://www.tomshardware.com/reviews/fixing-motherboard,1606-7.html

Fabe
My System SpecsSystem Spec
15 May 2012   #3

Windows 7 Ultimate x64
 
 

Soldering iron costs same much as new motherboard.
My System SpecsSystem Spec
.


25 May 2012   #4

Windows 7 Ultimate x64
 
 

I took a closer look and found out that 5 capacitors of same type are all kaput. 1000uf, 6.3V. Why's that ?
My System SpecsSystem Spec
08 May 2013   #5

Windows 8.1 Pro
 
 

I know this is an old thread, I have a quick question.

A capacitor has a long end and a short end, on a circuit board there usually is a circle where the capacitor goes on, one side of the circle has lines that are diagonal the other side has nothing. What side is the negative and what side is the positive ?
My System SpecsSystem Spec
08 May 2013   #6

Windows 7 Professional x64 Linux Mint 16
 
 

My System SpecsSystem Spec
09 May 2013   #7

Windows 8.1 Pro
 
 

Quote   Quote: Originally Posted by AddRAM View Post
Right, thanks
My System SpecsSystem Spec
09 May 2013   #8

Windows 7 Ultimate x64
 
 

Long end is usually positive side of capacitor. There should also be a marking on the capacitor itself (usually large "-" rectangles showing negative side). On motherboard the white lines indicate to the negative side, there's also a "+" sign next to the clear area indicating the positive side.
Match capacitor's positive side with motherboard's positive hole NOT vice versa.
My System SpecsSystem Spec
10 May 2013   #9

Windows 8.1 Pro
 
 

Quote   Quote: Originally Posted by AbMaster View Post
Long end is usually positive side of capacitor. There should also be a marking on the capacitor itself (usually large "-" rectangles showing negative side). On motherboard the white lines indicate to the negative side, there's also a "+" sign next to the clear area indicating the positive side.
Match capacitor's positive side with motherboard's positive hole NOT vice versa.
I see the negative side on the capacitor. Didn't know that
My System SpecsSystem Spec
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 Soldering motherboard capacitors





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