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Old 05-21-2008, 07:41 PM   #1
i4004
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Default Asus P5P800-vm with blown 9T15GH fet

as seen on these pix. it's all i can see.

symptoms were: smoke smell, no video, fans spinning ok, hdd light on all the time...

and those chemicons look shaken.

anybody seen this before? i've found some info on russian forums, but that was it. searching usually finds only asus boards with this issue. and not much of it anyway(seems to be a rare problem).

how to explain it? marginal quality part? chemicons? bad design overstressing components?
what's weird is that these are not usual cpu supply issues, but north bridge, it seems(if agp is offline).

this french thread talks about replacements
http://forum.hardware.fr/hfr/Hardwar..._702508_11.htm
(AMP3054N or STD17NF03L)
you can try this to tranlsate
http://translate.google.com/translate_t?sl=fr&tl=en
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Old 05-23-2008, 04:00 PM   #2
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Default Re: Asus P5P800-vm with blown 9T15GH fet

The regulator near KZG caps seems burned (black spot): is it burned or is a compression glitch?



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Old 05-23-2008, 06:22 PM   #3
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Default Re: Asus P5P800-vm with blown 9T15GH fet

well, if it was a compression glitch, this thread wouldn't have words like
"blown fet", "smoke smell", "no video" in it...
<wink>

yes, burned, and seems like a most probable cause for this system not producing any video, be it onboard, or inserting some agp card...
it was overheating, and now it stays rather cold..hehe...
notice the swallen chemicons: they should look like the one that is just right to the ram slots...

here's another mentioned replacement for this fet
http://monitor.net.ru/forum/asus-p5n...nfo-75162.html
(90N02 (можно 60N02, 70N03 и т.д.))
here's one more report
http://monitor.net.ru/forum/asus-p5r...fo-198107.html

overall, it seems to be rather rare malfunction...

i need to check if any of those replacaments are available here...
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Old 05-24-2008, 05:05 PM   #4
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Default Re: Asus P5P800-vm with blown 9T15GH fet

Quote:
Originally Posted by i4004
well, if it was a compression glitch, this thread wouldn't have words like
"blown fet", "smoke smell", "no video" in it...
<wink>
[cough] Sorry, my mind get easily rid of post titles.
I didn't caught you already found a blown fet so I pointed it out.

Quote:
Originally Posted by i4004
yes, burned, and seems like a most probable cause for this system not producing any video, be it onboard, or inserting some agp card...
Tried with a PCI card?

Quote:
Originally Posted by i4004
i need to check if any of those replacaments are available here...
I hope you can find one.

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Old 05-24-2008, 06:16 PM   #5
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Default Re: Asus P5P800-vm with blown 9T15GH fet

that is a vdimm reg.
bad ram,or improper insertion causes this.
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Old 05-24-2008, 07:01 PM   #6
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Default Re: Asus P5P800-vm with blown 9T15GH fet

yes, that's a possibility: there were some problems prior to this that looked like bad ram...machine stop bsod type of thing...
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