Question about Acer Aspire 3680 Laptop

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Dc jack broken

Is there any other way to charge an acer 3680 labtop? USB charger??

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You cannot charge fhe laptop via the USB port, you can charge a USB device from the USB port but not the other wat around.
You can get the power connect on the laptop repaired and then it will power the laptop and charge the battery.

Posted on Feb 23, 2009

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2 Answers

My acer aspire 7720G shut down random


Wait a minute. What?

From what I read;
1) One wire of the AC adapter (Charger) is hot to the touch.
'.....when I touch the charge one part of the wire is very hot."

2) AC adapter checks out as far as voltage is concerned.
"I tested the charger voltage and everything is ok."

3) "Sometimes when I touch the charge appear the icon...Could it be the charger broken wire?"

Does this mean, "Sometimes when I touch the AC adapter (Charger), the battery icon appears."?

Battery is CHARGING icon?

Could it be a broken wire in the power cable TO charger?

Uh, yeah.

1) AC adapter NOT plugged into the DC Power Jack, plug the power cable of the AC adapter into power.

Multimeter set to DC Voltage, and proper scale, red Positive lead to harness wire that goes to DC Power Jack's center pin;

,black Negative lead of multimeter, to wire that goes to DC Power jack's inside cylindrical metal shell;

Now gently wiggle the cable from the AC adapter, TO the DC Power Jack of the laptop.

Do you get an intermittent reading?

2) Also, how did you replace the DC Power Jack? What steps did you take?

http://www.dcpowerjacks.net/catalog/index.php?main_page=product_info&products_id=1291

Did you reuse the wire harness, and solder it to the DC Power Jack?
Have a lot of experience in desoldering/soldering?
What tools did you use?

25 Watt soldering iron?
.025 or .030 rosin core solder?

Desoldering Tool, or Desoldering Braid? (Solder Wick)
Side Cutters instead, and slightly shortened the wires of the DC Power Jack's harness?
(Then tinned the wires, and soldered the wires of the DC Power Jack harness, to DC Power Jack?)

Damp sponge, and cleaned the well tinned No.2 chisel tip, of the soldering iron, frequently? Used rosin solder flux?

Center pin wire (Positive), of harness cable TO DC Power Jack, was soldered to the center pin of the DC Power Jack?

Negative wire of cable TO DC Power Jack, was soldered to the inside shell of the DC Power Jack?
(Cylindrical shell, inside the DC Power Jack, that surrounds the center pin of the jack)

Sure there are no cold solder joints?

Not trying to 'browbeat' you, just am curious.

1) IF you are SURE you have the polarity correct, of the wires in the harness cable, that goes to the DC Power Jack;

,and you are SURE there is no broken wire, in the cable from the AC adapter (Charger) TO the DC Power Jack;

,and you are sure you made good solder joints;

I suspect the power correcting chipset on the motherboard, to be bad, or perhaps a Diode.

One example of the chipset I am referring to. This one is used in a lot of laptops. May not be used in yours, but gives you something to refer to when looking for a bad chipset, in the power stage, on your motherboard,

https://docs.google.com/viewer?a=v&q=cache:oER5NNz8cwcJ:www.fairchildsemi.com/ds/FD/FDS6675BZ.pdf+Fairchild+FDS6675BZ&hl=en&pid=bl&srcid=ADGEEShOhWPjm_M-ROHme4iEMrztCTOd-28jNiy1hVLQQh_VOyv8zcXEVDB_iTQA6MuZO88UmRkDgjyW9j4CP2aIJ-4DS-h6JNM3lvxldeApQeecmz_DADCw1s7tmNLxfPknqX14SZP6&sig=AHIEtbS_rYUAeo_8rB9YHkW05ZjLqeH4Jg

Usually when bad the top of the chipset will be blackened, or bubbled.
A Diode is a one way valve for electricity. When they go bad it is visually obvious.

http://www.mouser.com/ProductDetail/Vishay-Semiconductors/BA479S-TAP/?qs=j6bfm3UnQnzfWUXqYnsQ9LdHLayQ%2fSwFGlGUXEDAB5w%3d

Post your findings in a Comment.
Regards,
joecoolvette

Jun 10, 2012 | Acer Aspire PC Laptops

1 Answer

On/off switch Acer 3680 needs replacing


Hi,

Please find your part here http://cgi.ebay.com/NEW-ACER-ASPIRE-3680-5580-DC-POWER-JACK-USB-BOARD-PB02-/140543672370?pt=LH_DefaultDomain_0&hash=item20b90e4032

Thanks

Jun 27, 2011 | Acer Aspire 3680 Laptop

2 Answers

I have an Acer Aspire One and when I plug the charger in I have to spin it or wiggle it or both to get the battery to charge. Once I have it in position it generally stays on charge, but if the cable is...


It could be either one Sarah.

The AC adapter's (Charger) cable, or the DC Power Jack where the AC adapter plugs into the laptop.

This is an example of the DC Power Jack not installed,

http://www.laptopjacks.com/view_part/Acer-Aspire-ONE-AOA150-ZG5-DC-Power-Jack-AC351816.html

(You can click on the three views of the jack to enlarge)

1) Check the DC Power Jack to see if it's in good repair.

Battery removed use a small flat tipped screwdriver, and Gently see if you can move the Center Pin around in the jack.
See if the Center Pin will move side to side a small amount. There is supposed to be No perceptible movement.

Referring back to the closeup photos of the DC Power Jack, the flat blade-like prongs are upside down, in relation to how the jack sits on the motherboard.

The flat prongs go down through the motherboard, and are soldered to the motherboard.
If the center pin of the jack is stationary, but the jack as a unit moves around, one or more solder joints, (Connections) for the flat prongs may be cracked.

The repair consists of completely disassembling the laptop, removing the broken DC Power Jack, and installing a new one.

Acer Aspire One service manual,

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-acer

(Click on the blue - One - in Aspire One.
This is a PDF file. The computer you are using now has Adobe Reader on it which uses PDF files.
After you click on the file name (One) it may take up to 30 seconds before you see the first page.
It may also take additional time for the file to fully download.

(Took 12 seconds just now for full download)

No perceptible movement of the DC Power Jack? Suspect the cable of the AC adapter right near it's plug. (Plug that plugs into the DC Power Jack)

For additional questions please post in a Comment.

Regards,
joecoolvette

Jun 25, 2011 | PC Laptops

1 Answer

My acer aspire 3680 could not power on by bat and adaptor


DC Jack diagnosis:
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Oct 08, 2010 | Acer Aspire 3680 Laptop

1 Answer

The Yellow Port That's In The Inside Where You Plug The Charger in has Broken And Is Very loose And I can reattach It. When I Plug The Charger In The Battery Wont Charge The Whole Thing Wont Come on...


The DC jack, where you plug the power adapter cable, might be loose or defective, & needs to be either re-soldered or replaced.
In order to do this, the laptop needs to be disassembled & the motherboard taken out. Also, the motherboard needs to be checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether.

Sep 01, 2010 | Acer Aspire 3680 Notebook

3 Answers

Is there any way to charge an ACER computer battery other than through the computer. The computer has a burned out recharging jack. Can you recharge it through a USB port.


No, not through a USB port.

Can you find a similar ACER computer for "cheap" on eBay?
It would not need to run -- it just has to accept the identical battery,
and connect to an AC adapter, and to charge the battery,
even when the laptop is powered-off.

Nov 25, 2009 | Acer Aspire 3680 Laptop

1 Answer

Battery will not charge nor is able to use AC power to stay on.


Hi everyone it seems to me that the DC connector is loose inside your laptops,try wiggling it about gently at the charger to laptop cord nearer to the dc socket to verify this.Only solution is resolder or new dc socket.

Dec 27, 2008 | Acer Aspire 3680 Laptop

1 Answer

Pin stuck in charging jack!


It is broken, you are going to have the DC jack replaced.

Dec 27, 2007 | Acer Aspire 3680 Laptop

1 Answer

Re:pin stuck in charging jack


It is broken, you are going to have the DC jack replaced.

Dec 27, 2007 | Acer Aspire 3680 Laptop

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