Question about Computers & Internet
Hi, Im trying to put a new DC power jack on my laptop as the old one is burnt out and not giving a good connection. Im trying to replace the old standard DC jack with a radioshack coaxial size N power jack as advised by a guide I am following but the part i have orderd is a bit different to the one used in the guide instead of haveing a positive and negative connectors on the jack the one i have has three connectors a positive and two negatives so i am not sure if its ok to use. So basically the connector i have has three connector points to solder the wires onto and the one in the guide only has two so im not sure if its ok to use this power jack? If any one could help me out with advice that would be really great many thanks!
If the connector fits the space you don't have to use all three pins but simply use only two of them, though you could use all three if you want by doubling the neutral... In reality it doesn't matter what you do as long as it is non-reversible and the plug and socket are wired to be compatible.
Posted on Mar 24, 2017
You can find this part on ebay.
Posted on Mar 24, 2017
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Posted on Jan 02, 2017
If the ground isn't soldered properly that could happen. If you run your computer in your car and you use a power inverter plugged into the cigarette lighter and your battery in, that can cause problems charging the battery as well.
Posted on Jun 27, 2008
Hi I have the same laptop and had the same thing happen. I am not a tech, just some dude that is handy and has "messed" with hardware for a bit. So this advise is "USE AT YOUR OWN RISK", I'm not responsible for anything. Well with that said here you go.
Remove the batter for safety. As you go keep the screws separated so you don't have to remember which is which when you put it back.
Flip the laptop over and you will find about a dozen screw holes labeled F7. You need to remove all of these to open the laptop. You'll find some running along the back edge of the laptop as well.
In the battery well, you'll find some more screws labeled F4, you should remove these as well.
There is a slider screw towards the right center of the machine that helps hold the cd bay in place, you don't have to remove this one, but you can in the even that you need to move the bay to gain better access to the DC jack.
Once you remove all the screws, flip the laptop up right. Open the screen as if you were going to use it.
Along the top of the keyboard, you will see that the bezel edge has a break away section the same with as the key board.
Using a small flat head screw driver pry it open from either the left or right side, and continue unclipping it across.
This will expose four very small screws. Remove them making sure to keep them safe, as they are holding your keyboard in place. Once you remove them, slowly seperate the keyboard from the body of the laptop. You will find a flat wire connected to the mother board from the keyboard. You can use a toothpick to slowly slide out the white edge from the brown connection bridge. Once you slide the white plastic peace away from the brown the wire will come out easily. BE CAREFUL with the wire since it is very fragile
Now you should have the keyboard separated from the laptop, put it in a safe flat place and continue.
On the left side hand of the laptop body is a card slot, use it as a finger hold to gently but firmly pry the laptop open. It is held together by clips running along both side edges and the front edge. These can be a little tough to open, so apply slow gentle force till you hear them pop open.
Before you pull it apart after unclipping it, use the same method used to remove the keyboard flat wire from the mother board connection on the three connections holding the top part of the machine to the motherboard. You'll find two towards the bottom center and one at the top left corner. Play close attention to the small flat white one as this is VERY fragile and the copper flanges at the end can bend very easily.
At this point you should be able to freely separate the top half (cover) of the pc from the bottom. Exposing the insides.
You'll be able to easy work with the dc jack now, in my case it was the plastic housing of the body of the laptop that broke. I held it in place with a dab of hot glue.
If you find that the CD drive is in your way, you can remove the two small black screws on either side of its copper connector, then lift the back of the bay up of the body and slow pull it and lift towards the left.
Work backwards to put it back together.
Posted on Mar 22, 2010
this sound like there is a short in your soldering, did you solder the port directly onto the motherboard. just go over all the joints and make sure there is no shorts
Posted on Mar 28, 2010
SOURCE: I have Acer Laptop with a JV50PU motherboard which has a faulty DC input socket connection. The laptop works OK on Charged battery but not on DC input. Is it possible to get a schematic of the motherb
If the DC Power Jack is soldered onto the motherboard then take the time to unsolder it and remove it. Then buy another DC Power Jack which costs less than $8.00 and solder it into it's place. Normally when it is soldered onto the motherboard there is no cable involved. That's all there is to it if it's soldered onto the motherboard.
If it sits on a slot in the motherboard and has a cable harness attached to it then you can purchase that too for less than $15.00. All you do then is follow where the other end of the cable harness plugs into the motherboard and unplug it. Then place the new dc jack in the slot where the old one sat and plug the other end of the cable harness into the motherboard.
Posted on Mar 20, 2012
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