EVGA 7600 GT - help with vmod

ivanlabrie · 03-04-13, 08:34 AM

Well, I come here for some pointers regarding the subject...
I got some replacement caps already for what seems like cracked caps and missing ones.

Here are some shots showing the naked card:

I'm gonna try it first on air, and might go for some sandwich bag action once I get my 3770k replacement which is on its way here as we speak

(Horrerblade

)

EarthDog · 03-04-13, 08:52 AM

You are def. missing a cap!

Until BobN comes in this is what google brought up: https://www.google.com/webhp?sourcei...w=1337&bih=914

ivanlabrie · 03-04-13, 09:18 AM

I've seen those but wanted some more insights, specially on the repair side of things.
I don't wanna fire that sucker missing a cap and with the others caps with cracked tops.

Bobnova · 03-04-13, 09:21 AM

I don't see any cap issues (the dented-looking polymers have the gas relief scoring put in from inside the cap instead of from outside the cap, so it looks like lines of bulge. When they fail they split open, not subtle). The missing one is an issue. I'd use a low ESR (<10mOhm) 6.3V polymer with as much capacitance as you can manage. Then II'd put another one on the back side. Originally it was probably an electrolytic.
Otherwise, those all look fine.
The line on the cap and the line on the PCB denote negative (-), with the exclusion of some Asus motherboards.

Voltmod wise this looks to be among the better guides, it'll walk you through it easily enough: http://www.xbitlabs.com/articles/gra...ltmodding.html

ivanlabrie · 03-04-13, 09:24 AM

Yup, I guess that will do...Gonna get the pots and try soldering the missing cap back in place.
For now this 3ghz p4 631 should do for testing xD
Thanks for stopping by

EDIT: btw, I got a few Ketuo and Jackson branded caps...All 6.3v 1500uf ones, which should I use?

Bobnova · 03-04-13, 09:28 AM

What are their ESR ratings?

ivanlabrie · 03-04-13, 09:34 AM

hmmm

02
0509
LOW
ESR

That's what I see on the JACKON one. The Ketuo one doesn't even say anything ESR related on it. Just max temp (105c) and that is ROHS compliant xD
If anything the Ketuo one is a bit bigger physically.

Bobnova · 03-04-13, 09:38 AM

Without a known ESR spec I can't really tell you much, heh. I'd go for which ever is taller, then put a second cap on the backside.

ivanlabrie · 03-04-13, 10:14 AM

Second cap on the same spot? I could both I guess xD
Do I solder them to the same legs and call it a day?
I'm gonna vmod anyway, and got spare caps one for every type the card has. Should I put dual caps on all spots?

Bobnova · 03-04-13, 10:42 AM

Might as well, yeah. Make sure you get the polarity correct.

ivanlabrie · 03-04-13, 10:54 AM

Or else...BOOM?

I will, I expect to have it done by tomorrow. Expect some results by Wednesday.

Bobnova · 03-04-13, 10:55 AM

Yup. Best case: Cap leaks.
Worst case: Cap dead-shorts and blows MOSFETs to hell, then explodes.

ivanlabrie · 03-04-13, 02:35 PM

Well, I know what to do when I get my scores and feel like blowing up stuff then...

Mandrake4565 · 03-07-13, 09:08 AM

Ivan as you know I'm planning on doing the same with my 7600gt so I hope you don't mind the hijack. I need to replace the caps on my card also. They say on the top FX75 1500 6.3, is this the replacement I should use? http://www.digikey.com/scripts/DKSea...82438018502229

Bobnova · 03-07-13, 09:40 AM

Link doesn't work. Can you post the part number?

Mandrake4565 · 03-07-13, 09:57 AM

Really i just clicked on it and it did, odd. Anyhow here's the #565-3229-ND

Bobnova · 03-07-13, 10:03 AM

I think it must cache the search in your browser. I've run into that problem with digikey links before.

Those caps should work fine.

Mandrake4565 · 03-07-13, 10:13 AM

Ok thanks Bob much appreciated.

ivanlabrie · 03-07-13, 06:24 PM

Well, it seems the solder I got is not too good...What's the best kind for this type of application?

Bobnova · 03-07-13, 08:37 PM

40/60 lead/tin rosin core, 0.022", 0.031" works, but it's a bit clunky for tiny stuff.
None of that RoHS junk.

03-04-13, 08:34 AM	Thread Starter #1
ivanlabrie Join Date: Jul 2011 Location: Buenos Aires, Argentina	EVGA 7600 GT - help with vmod Well, I come here for some pointers regarding the subject... I got some replacement caps already for what seems like cracked caps and missing ones. Here are some shots showing the naked card: I'm gonna try it first on air, and might go for some sandwich bag action once I get my 3770k replacement which is on its way here as we speak (Horrerblade ) __________________ "What it can take scales inversely with how much you want it to not die." Bobnova
	QUOTE Thanks

03-04-13, 08:52 AM	#2
EarthDog Senior PITA Member Overclockers.com Editor Join Date: Dec 2008 Location: Stuck in Maryland...	You are def. missing a cap! Until BobN comes in this is what google brought up: https://www.google.com/webhp?sourcei...w=1337&bih=914 __________________ Should I R0 my SSD? / SandyBridge / Ivybridge Overclocking Guide / AMD Overclocking Guide / Power Supply Guide SSD Reliability/Write Endurance / JOIN THE BENCHING TEAM! / Bulldozer Overclocking Guide / Forum Etiquette Want to see your writing featured on the overclockers.com Front Page? PM me, I can help! "We have more information and more ways of accessing it than ever, yet seem increasingly less inclined to do so."- Michael Wilbon
	QUOTE Thanks

03-04-13, 09:18 AM	Thread Starter #3
ivanlabrie Join Date: Jul 2011 Location: Buenos Aires, Argentina	I've seen those but wanted some more insights, specially on the repair side of things. I don't wanna fire that sucker missing a cap and with the others caps with cracked tops. __________________ "What it can take scales inversely with how much you want it to not die." Bobnova
	QUOTE Thanks

03-04-13, 09:21 AM	#4
Bobnova Air Superiority Senior Member Benching Team Leader Join Date: May 2009 Location: Humboldt	I don't see any cap issues (the dented-looking polymers have the gas relief scoring put in from inside the cap instead of from outside the cap, so it looks like lines of bulge. When they fail they split open, not subtle). The missing one is an issue. I'd use a low ESR (<10mOhm) 6.3V polymer with as much capacitance as you can manage. Then II'd put another one on the back side. Originally it was probably an electrolytic. Otherwise, those all look fine. The line on the cap and the line on the PCB denote negative (-), with the exclusion of some Asus motherboards. Voltmod wise this looks to be among the better guides, it'll walk you through it easily enough: http://www.xbitlabs.com/articles/gra...ltmodding.html __________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe) How to check your PSU with a multimeter. 17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7 Heatware.
	QUOTE Thanks

03-04-13, 09:24 AM	Thread Starter #5
ivanlabrie Join Date: Jul 2011 Location: Buenos Aires, Argentina	Yup, I guess that will do...Gonna get the pots and try soldering the missing cap back in place. For now this 3ghz p4 631 should do for testing xD Thanks for stopping by EDIT: btw, I got a few Ketuo and Jackson branded caps...All 6.3v 1500uf ones, which should I use? __________________ "What it can take scales inversely with how much you want it to not die." Bobnova
	QUOTE Thanks

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03-04-13, 09:28 AM	#6
Bobnova Air Superiority Senior Member Benching Team Leader Join Date: May 2009 Location: Humboldt	What are their ESR ratings? __________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe) How to check your PSU with a multimeter. 17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7 Heatware.
	QUOTE Thanks

03-04-13, 09:34 AM	Thread Starter #7
ivanlabrie Join Date: Jul 2011 Location: Buenos Aires, Argentina	hmmm 02 0509 LOW ESR That's what I see on the JACKON one. The Ketuo one doesn't even say anything ESR related on it. Just max temp (105c) and that is ROHS compliant xD If anything the Ketuo one is a bit bigger physically. __________________ "What it can take scales inversely with how much you want it to not die." Bobnova
	QUOTE Thanks

03-04-13, 09:38 AM	#8
Bobnova Air Superiority Senior Member Benching Team Leader Join Date: May 2009 Location: Humboldt	Without a known ESR spec I can't really tell you much, heh. I'd go for which ever is taller, then put a second cap on the backside. __________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe) How to check your PSU with a multimeter. 17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7 Heatware.
	QUOTE Thanks

03-04-13, 10:14 AM	Thread Starter #9
ivanlabrie Join Date: Jul 2011 Location: Buenos Aires, Argentina	Second cap on the same spot? I could both I guess xD Do I solder them to the same legs and call it a day? I'm gonna vmod anyway, and got spare caps one for every type the card has. Should I put dual caps on all spots? __________________ "What it can take scales inversely with how much you want it to not die." Bobnova
	QUOTE Thanks

03-04-13, 10:42 AM	#10
Bobnova Air Superiority Senior Member Benching Team Leader Join Date: May 2009 Location: Humboldt	Might as well, yeah. Make sure you get the polarity correct. __________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe) How to check your PSU with a multimeter. 17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7 Heatware.
	QUOTE Thanks

03-04-13, 10:54 AM	Thread Starter #11
ivanlabrie Join Date: Jul 2011 Location: Buenos Aires, Argentina	Or else...BOOM? I will, I expect to have it done by tomorrow. Expect some results by Wednesday. __________________ "What it can take scales inversely with how much you want it to not die." Bobnova
	QUOTE Thanks

03-04-13, 10:55 AM	#12
Bobnova Air Superiority Senior Member Benching Team Leader Join Date: May 2009 Location: Humboldt	Yup. Best case: Cap leaks. Worst case: Cap dead-shorts and blows MOSFETs to hell, then explodes. __________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe) How to check your PSU with a multimeter. 17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7 Heatware.
	QUOTE Thanks

03-04-13, 02:35 PM	Thread Starter #13
ivanlabrie Join Date: Jul 2011 Location: Buenos Aires, Argentina	Well, I know what to do when I get my scores and feel like blowing up stuff then... __________________ "What it can take scales inversely with how much you want it to not die." Bobnova
	QUOTE Thanks

03-07-13, 09:08 AM	#14
Mandrake4565 Member Join Date: Jan 2012 Location: New City, NY.	Ivan as you know I'm planning on doing the same with my 7600gt so I hope you don't mind the hijack. I need to replace the caps on my card also. They say on the top FX75 1500 6.3, is this the replacement I should use? http://www.digikey.com/scripts/DKSea...82438018502229 __________________ Silverstone Temjin TJ07/ Asus Crosshair V Formula Amd FX 8350 @ 4.7/ Ati Radeon HD 5850 1000/1145 OCZ Vertex 4 128g SSD G-Skill Sniper X 8g @ 1866/ SeaSonic X650 EK Supreme HF/ Thermochill PA 120.3 Jingway dp 1200/ EK Multioption Res 2 advanced. 6x Yate loon 120mm 2200rpm push/pull Windows 7 64bit Last edited by Mandrake4565; 03-07-13 at 09:58 AM.
	QUOTE Thanks

03-07-13, 09:40 AM	#15
Bobnova Air Superiority Senior Member Benching Team Leader Join Date: May 2009 Location: Humboldt	Link doesn't work. Can you post the part number? __________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe) How to check your PSU with a multimeter. 17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7 Heatware.
	QUOTE Thanks

03-07-13, 09:57 AM	#16
Mandrake4565 Member Join Date: Jan 2012 Location: New City, NY.	Really i just clicked on it and it did, odd. Anyhow here's the #565-3229-ND __________________ Silverstone Temjin TJ07/ Asus Crosshair V Formula Amd FX 8350 @ 4.7/ Ati Radeon HD 5850 1000/1145 OCZ Vertex 4 128g SSD G-Skill Sniper X 8g @ 1866/ SeaSonic X650 EK Supreme HF/ Thermochill PA 120.3 Jingway dp 1200/ EK Multioption Res 2 advanced. 6x Yate loon 120mm 2200rpm push/pull Windows 7 64bit
	QUOTE Thanks

03-07-13, 10:03 AM	#17
Bobnova Air Superiority Senior Member Benching Team Leader Join Date: May 2009 Location: Humboldt	I think it must cache the search in your browser. I've run into that problem with digikey links before. Those caps should work fine. __________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe) How to check your PSU with a multimeter. 17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7 Heatware.
	QUOTE Thanks

03-07-13, 10:13 AM	#18
Mandrake4565 Member Join Date: Jan 2012 Location: New City, NY.	Ok thanks Bob much appreciated. __________________ Silverstone Temjin TJ07/ Asus Crosshair V Formula Amd FX 8350 @ 4.7/ Ati Radeon HD 5850 1000/1145 OCZ Vertex 4 128g SSD G-Skill Sniper X 8g @ 1866/ SeaSonic X650 EK Supreme HF/ Thermochill PA 120.3 Jingway dp 1200/ EK Multioption Res 2 advanced. 6x Yate loon 120mm 2200rpm push/pull Windows 7 64bit
	QUOTE Thanks

03-07-13, 06:24 PM	Thread Starter #19
ivanlabrie Join Date: Jul 2011 Location: Buenos Aires, Argentina	Well, it seems the solder I got is not too good...What's the best kind for this type of application? __________________ "What it can take scales inversely with how much you want it to not die." Bobnova
	QUOTE Thanks

03-07-13, 08:37 PM	#20
Bobnova Air Superiority Senior Member Benching Team Leader Join Date: May 2009 Location: Humboldt	40/60 lead/tin rosin core, 0.022", 0.031" works, but it's a bit clunky for tiny stuff. None of that RoHS junk. __________________ "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe) How to check your PSU with a multimeter. 17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7 Heatware.
	QUOTE Thanks

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