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Article #264

Re: Time to Buy a Motherboard

#264
From: joe
Date: Mon, 31 Mar 2008 03:42
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Sqwertz wrote:

> joe <no@thanks.com> wrote:
> 
>> The problem could well bad capacitors on the motherboard causing voltage
>> regulators to overheat.  Have you looked for electrolytic capacitors with
>> bulges or convex tops?
> 
> Yep.  I've seen a couple of the bad capacitors, but none on this
> board (that I can tell).  The only thing wrong is an assembly fault,
> one of the transistors isn't mounted on it's pad - it's soldered
> crooked.
> 
> See:
> http://i28.tinypic.com/anfqzn.jpg
> (ECS KT600A Motherboard)
> 
> This is a picture of my MB from the web, but I've circled the
> transistor (isn't that a flat transistor?) in red up top.  This is
> pointing downward to the right at a 45-degree angle and it's off
> it's conductive pad, but the solder points look fine.
> 
> -sw
That is more likely a voltage regulator but in any case it could overheat if
it does not have good contact with its pad. When the system has overheated
to the point it will not boot, you could try to cool that specific
component (a q-tip and alcohol will work if you do not have circuit
chiller) and see if will boot sooner when that part is cooled down.
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From: joe <no@thanks.com>
Newsgroups: austin.internet
Subject: Re: Time to Buy a Motherboard
Date: Sun, 30 Mar 2008 22:42:34 -0500
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