Re: Help me identify blown component Dell 8400
I replaced the PSU capacitor with a much better one, with low ESR which is overkill for a PSU. Yes, I could have tested the fuse with a voltmeter and avoided breaking it, I wasn't thinking.
As I said before, the PSU could not be jump started. I would take apart the PSU but I don't have the equipment to test the components. I will buy a Corsair PSU and put and end to this. Thanks to all that replied.
Raul
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Last Activity: 06-17-2011, 05:21 PM
Joined: 05-18-2011
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Re: Help me identify blown component Dell 8400
In between the heatsinks there are two transformers, printed on the larger one is: LITEON TL-130 0428 LC Rev. A. 42-M63111P01 HP OK
Anyone had any experience with the Xion brand? It is not listed in the list of PSUs to avoid.
I don't have a PSU tester.Last edited by Raul; 06-06-2011, 10:04 PM.Leave a comment:
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Re: Help me identify blown component Dell 8400
The PSU capacitor that I replaced was a Ltec 1000uF10V. I used a Nichicon of the same value.
The other caps look fine and I can't even see their values unless I desolder them. From the colors, the capacitors look like Nichicons and a few more Ltecs, all with very flat tops, no bulging. I can't take a picture worth showing because it's so tight in there. I thought perhaps the fuse on the power supply fried so I tried to remove it and in the process shattered the ceramic body, the wire inside was not broken.
I do not want...Last edited by Raul; 06-06-2011, 12:30 PM.Leave a comment:
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Re: Help me identify blown component Dell 8400
An update. I replaced 6 capacitors on the motherboard and one in the power supply, I tried to replace the blown fuse but all I was getting was globs of solder (very tight space and the fuse is tiny, I didn't have brush on flux) so I left the fuse out, probably losing some of the USB ports. Computer still won't power up.
Tried to test the power supply by jump starting it, no success. I then tried the power supply of a Dell E310 on my Dell 8400, it powered up. Would not start Windows until I changed the SATA settings to...Leave a comment:
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Re: Operational Bad Caps?
I found a Dell 8400 at the city dump and after ordering parts for it, got it working great after two days of fixing problems, the next day it died at start up and the caps still looked the same, bulging slightly but none burst open. So the computer may last a long time or die at any moment.
I am going to replace the caps with just a cheap soldering iron, it should not be a problem if you don't overheat the leads.
Someone suggested pulling the caps with pliers and then desoldering the leads while pulling them, I will go that...Leave a comment:
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Re: Help me identify blown component Dell 8400
Thank you yyonline for all your help!
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Re: Help me identify blown component Dell 8400
Thanks to all that have replied. I did find a USB pin that was all crunched up and touching the metal casing. As yyonline mentioned, this should not prevent the computer to boot up so my blinking amber light is another problem (I read all the posts about the amber blinking light).
The picture shows one good fuse and a blown fuse to the right of it. DigiKey could not identify what this component is so I am still looking. They suggested a 1.5 amp fuse that is rated at 63 Volts but I have no idea if the voltage matters, yyonline...Last edited by Raul; 05-24-2011, 12:40 PM.Leave a comment:
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Re: Help me identify blown component Dell 8400
Thank you yyonline.
There are 6 bulging Nickikon HN (M) capacitors. The computer was running fine for several hours until shutdown and the next morning when I went to power up the computer, the UPS went nuts bipping nonstop, so I shut down the computer while it was booting, after that it would not boot up. I'll post again after I replace the caps and the fuse.
This computer came from our town's recycling center (the dump) which has many computers, I think I know why it was there. It worked flawlessly during the few days...Leave a comment:
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Help me identify blown component Dell 8400
I have a Dell Dimension 8400 that won't power up and has a blinking orange light. I found a component with the board label of RT5B1, 1.5A, it is a surface mount component near the USB ports. It is to the right of the little box with the number 5, a similar component can be seen to the left of it. It is labeled X15 (one V on top of an inverted V), it is green and soldered on opposite ends, about 0.16" x 0.1" in size.
I looked through DigiKey but could not find one like this, it would help if I knew what I was looking for.
The motherboard has four of these... -
Re: New Members - please post your introductions here
Hi, My name is Raul and I'm new to fixing computers, I have a Dell Dimension 8400 that has opened a can of worms. Appreciate all the great info and help here.Leave a comment:
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