Asus P4C800 Deluxe dead

nicolati · 09-08-2008, 01:54 PM

Hi guys, I have a problem with a P4C800 Deluxe. It's a known problem: the solder glob shorts to ground a CPU wire, because of heatsink pressure. I removed the short with my ERSA Multitip, but now my MB doesn't speak anymore, neither beeps. With the short she said "System failed CPU test". I opened the socket and the pins at left are ok, the right ones are softly damneged (not close fine). Without CPU MB not power on, instead with short she said "No CPU installed".
I saw a capacitor partially burned near the POWER SWITCH connector.
What is the problem? Any suggestion?
Thanks a lot.
Bye
nicolati

**manic** · 09-08-2008, 02:52 PM

I still have 2 of those boards, cap slightly burned, that is suspect. You
had the solder glop syndrome, I would say you have got all the goody
out of the board. Great boards, but very finicky, period

**linderman** · 09-08-2008, 06:56 PM

I am afraid "that dog aint gonna hunt no more"

nicolati · 09-08-2008, 11:48 PM

Ok, but I could to change that capacitor, knowing its value. I mod PS2 a X360; I could do it, only I have to know its value.
Bye
nicolati

**linderman** · 09-09-2008, 05:21 AM

you might find that info at badcaps.com

I have found when working on motherboards you need a de-soldering tool ....... its not as simple as some other types of small soldering jobs ....... motherboards are very touchy

this type of equipment is not worth buying to fix just a few motherboards

http://www.howardelectronics.com/xytronic/lf8000.html

nicolati · 09-09-2008, 01:10 PM

Rework stations are too expensive...

I changed a SST39SF020 with a 040 on a X360 LG with my ERSA, all with my hands!!!
However, badcaps talks about electrolytic capacitor and problems connected to it; I have a SMD capacitor burned.
It's the same problem ?
Thanks.
Bye
nicolati

**linderman** · 09-09-2008, 02:07 PM

badcaps has a forum I believe they would know this info far better than I

the few times I have done this ...... they assisted me with getting the right caps

nicolati · 09-10-2008, 12:34 AM

Ok, I'll try it.
Thanks a lot.
Bye
nicolati

09-08-2008, 01:54 PM	#1 (permalink)
nicolati Registered User Join Date: Sep 2008 Posts: 6 OS: Win Vista/XP	Asus P4C800 Deluxe dead Hi guys, I have a problem with a P4C800 Deluxe. It's a known problem: the solder glob shorts to ground a CPU wire, because of heatsink pressure. I removed the short with my ERSA Multitip, but now my MB doesn't speak anymore, neither beeps. With the short she said "System failed CPU test". I opened the socket and the pins at left are ok, the right ones are softly damneged (not close fine). Without CPU MB not power on, instead with short she said "No CPU installed". I saw a capacitor partially burned near the POWER SWITCH connector. What is the problem? Any suggestion? Thanks a lot. Bye nicolati

09-08-2008, 02:52 PM	#2 (permalink)
manic Mod Hardware Team Join Date: Aug 2005 Location: Florida Posts: 4,870 OS: xp	Re: Asus P4C800 Deluxe dead I still have 2 of those boards, cap slightly burned, that is suspect. You had the solder glop syndrome, I would say you have got all the goody out of the board. Great boards, but very finicky, period __________________

09-08-2008, 06:56 PM	#3 (permalink)
linderman Moderator, Hardware Team Join Date: May 2005 Posts: 19,370 OS: win 2000 pro / Win XP pro My System	Re: Asus P4C800 Deluxe dead I am afraid "that dog aint gonna hunt no more" __________________ Even a Broken Clock is Right Twice a Day ! Power Supply Selection LEARN TO BACK-UP YOUR DATA FREE & EASY YouTube - Runtime Software DriveImage XML tutorial

09-08-2008, 11:48 PM	#4 (permalink)
nicolati Registered User Join Date: Sep 2008 Posts: 6 OS: Win Vista/XP	Re: Asus P4C800 Deluxe dead Ok, but I could to change that capacitor, knowing its value. I mod PS2 a X360; I could do it, only I have to know its value. Bye nicolati

09-09-2008, 05:21 AM	#5 (permalink)
linderman Moderator, Hardware Team Join Date: May 2005 Posts: 19,370 OS: win 2000 pro / Win XP pro My System	Re: Asus P4C800 Deluxe dead you might find that info at badcaps.com I have found when working on motherboards you need a de-soldering tool ....... its not as simple as some other types of small soldering jobs ....... motherboards are very touchy this type of equipment is not worth buying to fix just a few motherboards http://www.howardelectronics.com/xytronic/lf8000.html __________________ Even a Broken Clock is Right Twice a Day ! Power Supply Selection LEARN TO BACK-UP YOUR DATA FREE & EASY YouTube - Runtime Software DriveImage XML tutorial Last edited by linderman; 09-09-2008 at 05:23 AM.

09-09-2008, 01:10 PM	#6 (permalink)
nicolati Registered User Join Date: Sep 2008 Posts: 6 OS: Win Vista/XP	Re: Asus P4C800 Deluxe dead Rework stations are too expensive... I changed a SST39SF020 with a 040 on a X360 LG with my ERSA, all with my hands!!! However, badcaps talks about electrolytic capacitor and problems connected to it; I have a SMD capacitor burned. It's the same problem ? Thanks. Bye nicolati

09-09-2008, 02:07 PM	#7 (permalink)
linderman Moderator, Hardware Team Join Date: May 2005 Posts: 19,370 OS: win 2000 pro / Win XP pro My System	Re: Asus P4C800 Deluxe dead badcaps has a forum I believe they would know this info far better than I the few times I have done this ...... they assisted me with getting the right caps __________________ Even a Broken Clock is Right Twice a Day ! Power Supply Selection LEARN TO BACK-UP YOUR DATA FREE & EASY YouTube - Runtime Software DriveImage XML tutorial

09-10-2008, 12:34 AM	#8 (permalink)
nicolati Registered User Join Date: Sep 2008 Posts: 6 OS: Win Vista/XP	Re: Asus P4C800 Deluxe dead Ok, I'll try it. Thanks a lot. Bye nicolati