replacing capacitors.

imposter · 07-14-07, 01:13 AM

like the title says, i'm fixing my friends pc. what started as a dvd-rw upgrade, ended up costing him 175 dollars in a new motherboard and cpu. went to install the dvd-rw and things were not going according to plan, and i realized that two of his capacitors were blown up. called up my boss and he said that he would be able to replace them for 30 bucks, when he normally charges 75$.

so i was like the hell with it we ordered whats here http://www.ocforums.com/showthread.php?t=518813

got in today. (We got pwned by not having 4 standoffs but not an issue)

ANYWAY

also realized that one of his capacitors on his video card might be going, and when i was trying to do a windows install, it wouldn't go if there was no fan on the graphics card (Fx5200)

MY question, after a long and pointless post, how hard is it to replace these capacitors, is it a two second job? cuz i rather not pay my boss 30 bucks just to redo something that i know takes him 5min to do. If im lucky my co-worker will do it for me when my boss has his head turned =P.
(middle)

the one to the left.(graphics card)

this is kinda obvious but this is the motherboard.

Warren G · 07-14-07, 01:26 AM

long as u can solder then shouldnt be too hard. i replaced about 8 on one board awhile back. took me around 30-40 mins to do. only problem i remembered having was removiing the old ones. took awhile to get it out...

imposter · 07-14-07, 01:28 AM

I Don't know how to solder ><. Gotta learn some how though. Im sure my friend will give me the board cuz hes not gonna need it, and the fact that i didn't charge him for anything.]

random question, that blue marker type thing they put on capacitors, is that a acid test?

SolidxSnake · 07-14-07, 11:14 AM

It's an extremely easy job. You'll need an iron, some wick, and some solder. First thing's first, heat up the iron and then tin the tip (apply solder directly to the tip). Then wipe excess solder off on a wet sponge. Next, heat up all of the solder joints for the capacitors (stick the iron on each joint one by one). Make sure the whole joint melts. If it doesn't, then try applying just a LITTLE solder onto the joint. If it melts, remove your iron, place wick on the joint, then apply heat to the wick (sandwich the wick between the joint and the iron). You'll see the iron turn silver, and the solder will disappear from the joint. Keep on removing all of the solder from every joint of each capacitor there is, then replace the caps. Get the new caps, and stick them through the holes. Make sure you keep the polarity the same (Caps have a stripe down the negative side). Put them in the board, and then bend the leads a bit to hold the cap in there. Apply heat to a single joint, then apply a little solder until you get a good joint. Repeat for each joint.

Look up soldering guides on google for a more in-depth explanation.

Goonda · 07-16-07, 02:12 PM

If you are replacing caps, replace ALL of the non-hybrids. Odds are, they are on their way out. What caps were on the board? Looks like OST to me.

Skeith · 07-16-07, 11:01 PM

$30 to replace caps?!!! Thats freakin robbery.

caps can be bought for pennies online and require no more than a soldering iron to replace, takes like 15 minutes to recap a board. Thats just sick!

imposter · 07-16-07, 11:22 PM

Quote:

Originally Posted by Skeith

$30 to replace caps?!!! Thats freakin robbery.

caps can be bought for pennies online and require no more than a soldering iron to replace, takes like 15 minutes to recap a board. Thats just sick!

he normally charges 75 =p.

JamesXP · 07-17-07, 10:31 AM

I say hit your boss over the head

Goonda · 07-17-07, 10:56 AM

Quote:

Originally Posted by Skeith

caps can be bought for pennies online and require no more than a soldering iron to replace, takes like 15 minutes to recap a board. Thats just sick!

That depends on the type and rating of the caps you are buying. On an Antec SP recap, I bought caps for about $40. All were UCC/NCC, Nichion and Panasonic FM series. Ofcourse, the primary cans proved to be the most expensive.

Working on multi-layered PCB's is simple but not trivial. Avoiding cold solder joints and doing a clean job takes a bit of practice, especially if the vias are not deep enough.

imposter · 07-17-07, 11:59 AM

he picks off the caps off the grave yard of dead motherboards we got. lol.

Goonda · 07-17-07, 03:13 PM

Well, odds are he picked up Fujhyyu's, OST's or Chiss's.

imposter · 07-17-07, 03:15 PM

Quote:

Originally Posted by Goonda

Well, odds are he picked up Fujhyyu's, OST's or Chiss's.

I guess those are types of caps? whats the difference?

Goonda · 07-17-07, 03:51 PM

Quote:

Originally Posted by imposter

I guess those are types of caps? whats the difference?

They are crap.

jrafael · 07-17-07, 04:34 PM

check over www.badcaps.net
for good info and guides, they also sell cap kits for mobos

Roofles · 07-18-07, 12:44 PM

The only way I could see this being difficult is if those are surface mount caps where the leads would be under the capacitor itself. Most likely this is not the case and they are through hole, which is easy as pie to do.

El<(')>Maxi · 07-18-07, 10:01 PM

You can't do it with a low watt iron, other than that it's pretty easy.

imposter · 07-18-07, 10:10 PM

Alright, After i get this monitor replaced (different issue) im going to look into buying these caps + soldering kit. then ill have a 1.6 ghz cpu mobo to fold or go to classifieds. (if it works of course)

JDXNC · 07-18-07, 10:17 PM

find a piece of junk hardware to practice soldering on at first, remove and reattach a few components I suggest until you're comfortable with it. Once you learn it's very easy if you have a steady hand. I've fixed dozens of motherboards and have never killed anything, patients is the key to a good end result.

Once you're done you'll be kicking yourself in the butt for ever paying someone to do it for you

Goonda · 07-19-07, 01:47 PM

With SMD, the key is to have an iron hot enough to allow quick flow of Solder.

Brando · 07-19-07, 02:15 PM

Is it ok to replace normal caps with those newfangled solid state caps?

07-14-07, 01:13 AM	Thread Starter #1
imposter Member Join Date: May 2004 Location: Bronx,newyork	replacing capacitors. like the title says, i'm fixing my friends pc. what started as a dvd-rw upgrade, ended up costing him 175 dollars in a new motherboard and cpu. went to install the dvd-rw and things were not going according to plan, and i realized that two of his capacitors were blown up. called up my boss and he said that he would be able to replace them for 30 bucks, when he normally charges 75$. so i was like the hell with it we ordered whats here http://www.ocforums.com/showthread.php?t=518813 got in today. (We got pwned by not having 4 standoffs but not an issue) ANYWAY also realized that one of his capacitors on his video card might be going, and when i was trying to do a windows install, it wouldn't go if there was no fan on the graphics card (Fx5200) MY question, after a long and pointless post, how hard is it to replace these capacitors, is it a two second job? cuz i rather not pay my boss 30 bucks just to redo something that i know takes him 5min to do. If im lucky my co-worker will do it for me when my boss has his head turned =P. (middle) the one to the left.(graphics card) this is kinda obvious but this is the motherboard. __________________ HeatWare <--Coretemp Slave tester!!!!--> Have one on the house. "Its prefectly good minus all the bad stuff" -Ben333 Last edited by imposter; 07-14-07 at 01:25 AM.
	QUOTE Thanks

07-14-07, 01:26 AM	#2
Warren G Member Join Date: Jun 2002 Location: California	long as u can solder then shouldnt be too hard. i replaced about 8 on one board awhile back. took me around 30-40 mins to do. only problem i remembered having was removiing the old ones. took awhile to get it out... __________________ Main: MSI P67a-G43 - i5-2500k - 8GB Samsung DDR3 2100 - Corsair Force 3 180GB SSD - 250gb Seagate 7200.10 - Sapphire 7950 3GB OC - Corsair HX850W - Corsair 650D Macbook Pro Unibody - 8GB DDR3 - 320GB 7200rpm Main HTPC: Gigabyte GA-MA78GPM-DS2H - BE-2400 - 2GB DDR2 - Antec Fusion 430 Family HTPC: Intel DG31PR - e4300 - ATI 4350 - 2GB DDR2 - Antec Fusion 430 Family HTPC2: Asus M2A-VM - BE-2350 18c/22c stock cooling - 2x1GB DDR2 667 - 80gb Seagate 7200.9 - Antec Earthwatts 380w - Silverstone Evolution SG01 - 55w load Family HTPC3: ECS GF7050VT - Celeron 430 - 2GB DDR2 - Antec Earthwatts 380 - Antec NSK3480 Family HTPC4: Pegatron/POV IPX7A-ION330 - Atom 330 - 4GB DDR2 800 So-dimm - 2.5" 250gb 5400rpm - SilverStone Sugo SG05-B - FSP 300w - 48c/86c - 29w/37w Server / NAS - Gigabyte MA74S2 - AMD BE-2300 @ 1ghz .9v - 4GB DDR2 800 - 20gb 2.5" Seagate - 2x640 WD AAKS - Antec 380W Earthwatt PSU - Antec Solo - 59w load
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07-14-07, 01:28 AM	Thread Starter #3
imposter Member Join Date: May 2004 Location: Bronx,newyork	I Don't know how to solder ><. Gotta learn some how though. Im sure my friend will give me the board cuz hes not gonna need it, and the fact that i didn't charge him for anything.] random question, that blue marker type thing they put on capacitors, is that a acid test? __________________ HeatWare <--Coretemp Slave tester!!!!--> Have one on the house. "Its prefectly good minus all the bad stuff" -Ben333
	QUOTE Thanks

07-14-07, 11:14 AM	#4
SolidxSnake Member Join Date: Dec 2004 Location: Massachusetts, USA	It's an extremely easy job. You'll need an iron, some wick, and some solder. First thing's first, heat up the iron and then tin the tip (apply solder directly to the tip). Then wipe excess solder off on a wet sponge. Next, heat up all of the solder joints for the capacitors (stick the iron on each joint one by one). Make sure the whole joint melts. If it doesn't, then try applying just a LITTLE solder onto the joint. If it melts, remove your iron, place wick on the joint, then apply heat to the wick (sandwich the wick between the joint and the iron). You'll see the iron turn silver, and the solder will disappear from the joint. Keep on removing all of the solder from every joint of each capacitor there is, then replace the caps. Get the new caps, and stick them through the holes. Make sure you keep the polarity the same (Caps have a stripe down the negative side). Put them in the board, and then bend the leads a bit to hold the cap in there. Apply heat to a single joint, then apply a little solder until you get a good joint. Repeat for each joint. Look up soldering guides on google for a more in-depth explanation. __________________ Too funny. When I logon to Windows, I press Ctrl+Alt+ELITE i7-2600 4001MHz @ 39x102.6~ASRock P67 Fatal1ty Professional~MSI N580GTX Lightning 1536MB @ 1000//2400 @ 1.149v~8GB Corsair Vengeance DDR3-1600 9-9-9-24~256GB Samsung 830 SSD and 60GB OCZ Vertex~2x Western Digital Caviar Green 1TBs in RAID1 ~BFG ES-800 PSU Custom Watercooling Loop \| Apogee GT, MCW82, MCP35x + Res, Thermochill PA120.2 and 120.3 (both rev1) Yate Loon D12SL-12s pull, 7/16"x5/8" MasterKleer, 100% Distilled Water with Iodine ---All encased in a Silverstone TJ07B-W Join in on the fun! Heatware OCForums Metal Club member #13224
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07-16-07, 02:12 PM	#5
Goonda Member Join Date: Jun 2007	If you are replacing caps, replace ALL of the non-hybrids. Odds are, they are on their way out. What caps were on the board? Looks like OST to me.
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07-16-07, 11:01 PM	#6
Skeith Member Join Date: Jun 2005 Location: Winnipeg Manitoba	$30 to replace caps?!!! Thats freakin robbery. caps can be bought for pennies online and require no more than a soldering iron to replace, takes like 15 minutes to recap a board. Thats just sick! __________________ File Server: AMD Semperon 2500+ @ 2104.3MHz (10.5 x 200) 1.9v \| ABIT NF7-Sv2 Mobo - Tai Pan Bios \| WD 20GB IDE (System) - Seagate 320GB SATA (Storage) xfx NVIDIA Ge-force 5200 128MB 333Mhz/500Mhz (Vcore 1.70v/Vmem 3.00v) \| 1024MB DDR Dual Channel (2x512 PC3200) UltraValue 2.5-2-2-7 Web Server: Dual PIII 450/256/100/2.0 \| 768MB PC100 SDRAM \| 6.4GB Quantum Fireball (main) \| 6.4GB WD Caviar (FTP Storage) Laptop: -Dell Inspiron 6400- Intel Core2Duo 1.66GHz \| 2x512MB DDR2 667MHz RAM \| 120GB SATA HDD 7200RPM \| ATI x1400 Mobility 256MB PCIe Graphics \| Creative Soundblaster HD MB I don't care about what it was designed to do. I care about what it CAN do!
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07-17-07, 10:31 AM	#8
JamesXP Epic Fail Guy Join Date: Apr 2007 Location: England	I say hit your boss over the head __________________ Intel i5 3570k @ 4.2GHz 8GB Kingston HyperX DDR 1600Mhz nVidia 8600GT ASRock Z77 Pro4 128GB Samsung 830 SSD Corsair VX450 My Saitek Eclipse III Review
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07-17-07, 11:59 AM	Thread Starter #10
imposter Member Join Date: May 2004 Location: Bronx,newyork	he picks off the caps off the grave yard of dead motherboards we got. lol. __________________ HeatWare <--Coretemp Slave tester!!!!--> Have one on the house. "Its prefectly good minus all the bad stuff" -Ben333
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07-17-07, 03:13 PM	#11
Goonda Member Join Date: Jun 2007	Well, odds are he picked up Fujhyyu's, OST's or Chiss's.
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07-17-07, 04:34 PM	#14
jrafael Registered Join Date: May 2007 Location: Tampa, FL	check over www.badcaps.net for good info and guides, they also sell cap kits for mobos
	QUOTE Thanks

07-18-07, 12:44 PM	#15
Roofles Member Join Date: Dec 2004 Location: Brew City	The only way I could see this being difficult is if those are surface mount caps where the leads would be under the capacitor itself. Most likely this is not the case and they are through hole, which is easy as pie to do. __________________ Q6600 - 3.42 (380x9) 1.48V : IP35 Pro : 2x2GB OCZ Reaper HPC New GTX275 OC to come : HP w2207 X-Fi Platinum (Op Amp modded) : Audio Technica A500's Tuniq Tower 120 : Antec P182 Running: Windows 7 RC and Fedora 10 (PREEMPT_RT) "If science is the dispassionate pursuit of objective truth, then it stands to reason that mad science is the completely irrational pursuit of a nutty project that the rest of the world will never completely understand." -Popular Mechanics
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07-18-07, 10:01 PM	#16
El<(')>Maxi Blank Senior Member Join Date: May 2003 Location: Seattle	You can't do it with a low watt iron, other than that it's pretty easy. __________________ rdrash - 'I'm gonna intentionally try to kill this CPU with more volts'
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07-18-07, 10:10 PM	Thread Starter #17
imposter Member Join Date: May 2004 Location: Bronx,newyork	Alright, After i get this monitor replaced (different issue) im going to look into buying these caps + soldering kit. then ill have a 1.6 ghz cpu mobo to fold or go to classifieds. (if it works of course) __________________ HeatWare <--Coretemp Slave tester!!!!--> Have one on the house. "Its prefectly good minus all the bad stuff" -Ben333
	QUOTE Thanks

07-18-07, 10:17 PM	#18
JDXNC Member Join Date: Jan 2002 Location: Québec, Canada Èh?	find a piece of junk hardware to practice soldering on at first, remove and reattach a few components I suggest until you're comfortable with it. Once you learn it's very easy if you have a steady hand. I've fixed dozens of motherboards and have never killed anything, patients is the key to a good end result. Once you're done you'll be kicking yourself in the butt for ever paying someone to do it for you __________________ Desktop: AMD Phenom 9550 @ 2.6Ghz @ 1.25v Gigabyte GA-MA770-DS3 \| OCZ Gold XTC PC2-6400 4 X 1GB G.Skill Phoenix 60GB SSD \| Samsung Spinpoint F3 1TB \| Radeon HD 3650 512MB \| Dual 19" LCD's Heatware
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07-19-07, 01:47 PM	#19
Goonda Member Join Date: Jun 2007	With SMD, the key is to have an iron hot enough to allow quick flow of Solder.
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07-19-07, 02:15 PM	#20
Brando Member Join Date: Jan 2006 Location: Brandonia	Is it ok to replace normal caps with those newfangled solid state caps? __________________ []Intel 3570k 4.4ghz~Asus P8Z77-V pro~Megahalems[]Mushkin Blackline 2x4gb[]Gtx 670 direct cu II[]Dell U2410[]Plextor M3 pro 256gb~Spinpoint F3 1tb[]Pioneer BDR-206[]Corsair AX850[]Lian Li PC-V1020A[]Leopold tenkeyless~Deathadder[]Harman Kardon HK3490~Denon AH-D7000[] HEAT: http://www.heatware.com/eval.php?id=48093
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