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I?m looking to purchase the following part for an Acer 5150 laptop. DAOZR1PB6C3 Rev:3 Circuit Board with DC Jack

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  • perry578 Nov 18, 2009

    Thanks for the info...

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Acer aspire 7551-2961 won't boot up.


For this kind of issue, please follow up the following steps to check:

1.confirm the battery and ac adapter connect the laptop normally.Maybe the bad connect lead to this problem. If there are no lights when you turn on laptop, one of possible reason is that your adapter is malfunction.

2.the second possible cause is laptop dc jack failure. If the dc jack is broken or loose, you are required to replace it or repair it.

3.Another possible reason is that there is something wrong with laptop motherboard. For this situation, it includs two kinds of possibility,a failure in an electronic circuit and BGA malfunction.

For more detailed reasons and solutions, please have a look at the following article:

http://www.ifitjams.com/lappower.htm

If you verify your laptop adapter is dead and you plan to order a new one, I recommend one for you on the basis of your laptop model:

Replacement Acer Aspire 7551 AC Adapter 90Watt 19V 4.74A

Jan 13, 2013 | Acer Aspire Computers & Internet

1 Answer

Acer Aspire 5733 Series won't start


For this kind of issue, please follow up the following steps to check:

1.confirm the battery and ac adapter connect the laptop normally.Maybe the bad connect lead to this problem. If there are no lights when you turn on laptop, one of possible reason is that your adapter is malfunction.

2.the second possible cause is laptop dc jack failure. If the dc jack is broken or loose, you are required to replace it or repair it.

3.Another possible reason is that there is something wrong with laptop motherboard. For this situation, it includs two kinds of possibility,a failure in an electronic circuit and BGA malfunction.

For more detailed reasons and solutions, please have a look at the following article:http://www.ifitjams.com/lappower.htm

If you verify your laptop adapter is dead and you plan to order a new one, I recommend one for you on the basis of your laptop model:

http://www.chargerbuy.com/intocircuit-acer-aspire-5733-ac-adapter-65w-19v.html

Nov 29, 2012 | Computers & Internet

1 Answer

Acer Aspire 5720Z will not turn on please help me


For this kind of issue, please follow up the following steps to check:

1.confirm the battery and ac adapter connect the laptop normally.Maybe the bad connect lead to this problem. If there are no lights when you turn on laptop, one of possible reason is that your adapter is malfunction.

2.the second possible cause is laptop dc jack failure. If the dc jack is broken or loose, you are required to replace it or repair it.

3.Another possible reason is that there is something wrong with laptop motherboard. For this situation, it includs two kinds of possibility,a failure in an electronic circuit and BGA malfunction.

For more detailed reasons and solutions, please have a look at the following article:
http://www.ifitjams.com/lappower.htm

If you verify your laptop adapter is dead and you plan to order a new one, I recommend one for you on the basis of your laptop model:
http://www.chargerbuy.com/replacement-acer-aspire-5720-ac-adapter-19v-3-42a.html

Nov 15, 2012 | Lifetime Acer Aspire 5720-4126 Replacement...

1 Answer

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.

Mar 20, 2012 | Computers & Internet

1 Answer

My acer aspire 4720z wont accept a charge, have replaced battery and charger


the laptop might have taken a power surge on the small board that buffers the charge into the battery. Likeley this part will need to be replaced:

http://www.cdsparts.com/p-3-new-acer-aspire-4220-4220g-4320-4520-4520g-4720-dc-jack-power-board.aspx

May 15, 2011 | Acer Computers & Internet

1 Answer

I have a acer extena 4420-5239 that the dc jack inside has come loosa and will not make a connection to power up. Can that be fixed or is it connected to to board


Yes it can be soldered back onto the system board.

Symptoms of a broken power jack
1. If you wiggle the power cord or the AC Adapter connector on the back of the laptop, the power LED and battery charge LED start to flicker.
2. Battery will not charge in the laptop.
3. Laptop runs fine off a charged battery.
4. With the AC Adapter connected the laptop appears to be dead.
No power LED or battery charge LED activity.
5. Laptop randomly powers off without any warning.

If your laptop is out of warranty, then you can fix the problem by re-soldering DC-IN jack on the system board. If it

Dec 19, 2010 | Acer Extensa EX5620-4025 (LXE970X025) PC...

1 Answer

Got two 5610 s power supply socket pins have broken off in both units no one wants to repair them


Reasoning?

1.The DC Power Jack, (DC-IN), is located on the corner of the motherboard. The motherboard is a circuit board. Circuit boards for laptops are not of good quality, compared to a desktop computer motherboard. They crack easily.

Therefore,

A.The motherboard could be damaged, whereupon trying to remove, and install a new DC-IN jack is not feasible.

The circuit board is made up of layers. The top layer is a very thin copper sheet. A masking agent is applied to the sheet, where circuit traces will remain, and acid is used to remove the areas not masked.

This leaves very thin copper traces. Think of traces as very small, thin, flat, copper wires.
If the circuit board breaks, (Motherboard), the circuit traces are damaged. Like tearing a wire into two pieces.

You're not going to glue the motherboard back together, and solder the circuit trace, broken ends back together.

This is a bad motherboard design.

Granted the DC Power Jack, isn't the greatest design either.
Bump the AC adapter plug, while the plug is installed in the DC Power jack, and you can destroy a jack in milliseconds.
The body of the jack is Plastic.

2.The average person who refers to themselves as a 'Tech', is no more than a glorified parts changer.

'Problem with the motherboard? Whoa, too technical for me to try to fix. Just replace the motherboard!'

It does take technical skill to replace the jack.

A) If you linger too long with the soldering iron, you will burn the board. (Motherboard)

B) Lift the circuit trace right off of the motherboard.

C) Burn the area around the hole, that one of the leads of the jack goes through.
Renders the area useless to accept solder anymore.

D) If you don't keep the soldering iron there long enough, you will wind up with a cold solder joint.

[Generally you have a 3 to 4 second window]

There is also a technique for removing the jack.
The solder joints for the leads of the jack are heated, one by one, and just enough to melt the solder.
Then each lead is gently pulled out a little bit.

The solder cools. You can only go so far with one lead coming out, because the other leads are still soldered in.

You have to go to the next lead, melt the solder, pull out a little bit. Stop. Go to the next lead.
Eventually all leads will start coming out of the motherboard, and you have the jack in your hand.

2a) Also generates more money for the repair shop. Replacing a motherboard, will cost more than replacing a DC Power Jack.

Sound like a pessimist? Nope, just being realistic, and telling you straight up.

What I can offer:
1.Check the internet for places that may replace those DC-IN power jacks. Average cost that I have seen is around $100. There may be cheaper places.

2.Look for a motherboard to replace the one's you have. I'm not advertising for Ebay, but I have found parts there.

3.Weigh out whether you may want to tackle the job yourself. Practice your soldering, and de-soldering skills, on circuit boards that have become useless.

Look on the internet for - Acer Aspire 5610 DC Power Jack.

Advise using a 25 Watt soldering iron with a small pencil tip. Use a soldering iron holder, keep the sponge damp, and clean the soldering iron tip frequently.
Keep the tip tinned.

Use Desoldering Braid, (Solder Wick), instead of a Desoldering Tool. Works much better.

Use .022 gauge Rosin core solder, or .032 gauge.
(Diameter of the solder)

Use Rosin Flux Paste. Buy a couple of disposable brushes to apply the paste.

Buy, and use an ESD wrist s-trap. (Electro Static Discharge) Connect the alligator clip to a good ground source. (Empty desktop computer case, and connect to the metal frame, is one choice)

Your body carries Static electricity. Static electricity will fry out the hardware components inside a computer, in a flash!
You probably won't see it or feel it. The ESD wrist s-trap will help to relieve your body of Static.
Cost averages around $6.

Use a multi-compartment container, for the screws you will remove. Mark each container for where the screws came out of.
There are as many as 60 screws, and 12 different types of screws. Many look the same, but they aren't.
[You can use a clean egg carton in a pinch. Label each egg holder]

Take notes, and make drawings as you go along. I'm going to give you a link to the Service Manual, (Free), for your laptop.
Shows, and describes disassembling the laptop. Doesn't show the twists, and turns, and what you have to go through.
You may wish to use a digital camera to record your steps.

If you leave in the middle, then return a few days later, it's nice to have a record you can refer back to.

There is an alternative fix. Not a professional looking one, and the jack winds up hanging outside of the laptop.
Wires are soldered to the appropriate solder joints. (Holes in motherboard where each DC Power Jack lead goes through)
Then the wires are led out of the hole in the laptop body where the jack was.

The wires are then soldered to the appropriate pins, (Leads), on the DC Power Jack.

Unsightly, but the laptop becomes usable again.

Here's that Service Manual,

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

Go to the second heading down that starts with - Aspire. (1200, 1300, 1310, 1350...)
Left-click on 5610
(6th row down, second one over from the left)

After you click on - 5610 - you won't see anything happening for a few seconds. (Up to 24 seconds for some computers, and the internet connection)

The file is downloading in the background. It's a PDF file, and the computer you are using now has Adobe Reader on it, which uses PDF files.

Wait for the PDF file to fully download before looking through it. (You can break the download connection otherwise)

There is a way to copy this fie to your computer, should you wish. (Burn to CD later)

Questions?

Dec 13, 2009 | Acer Aspire 5610-4648 Notebook

1 Answer

There is a bad connection between the power cord and the port into which it fits. this bad connect has lasted for weeks. i've been able to jiggle the cord and situate it so their is a connection. but, now...


The port on the laptop where the AC adapter, (Charger to some), plugs into is the DC Power Jack.
(Or DC-in )

This is an example of an aftermarket manufacturers offering for a DC Power jack, that fits an Acer Aspire 4520 Series Notebook, (Laptop),

http://www.laptopjacks.com/view_part/Acer-Laptop-DC-Power-Jack-AC91316.html

Click on the photo of the jack, showing three views of it. This will enlarge for better detail.

As you probably know computers use DC voltage.
Your laptop battery, and a flashlight battery are examples of stored DC electricity.

Looking at all three views, the middle pin of the jack is for the Positive connection. Down inside the round opening on the side, is a strip of metal. One on each side. These are for the Negative connection.

Looking at the jack in all three views, you will note a flat pin, or Prong, that comes up in the middle, and at the back of the jack.
You will note that it is riveted to the center pin, or Positive connection.

The two flat pins, (Or Prongs), immediately on either side of the middle flat pin, are for the Negative connection. They connect to the strips of metal inside the round jack opening.

In relation to how the jack sits inside the laptop, the jack is upside down. The flat pins go down through the motherboard, and are soldered to the motherboard on the other side.

1.The body of the DC Power Jack is made of a type of Phenolic plastic. Hard, and has great insulating qualities.

It is also easily broken.
If you can move the center pin around, this is what has happened. (Battery REMOVED!)

Solution is to replace the DC Power Jack.

2.Where the flat pins go through the motherboard, and are soldered, is called a Solder Joint. The area where the flat pin meets the motherboard, and solder is applied.

One, or more solder joints can crack.
This gives you an intermittent connection, such as you have described.

Solution is to re-solder the solder joint/s.

3.There are also laptops that have a bad motherboard design.
The DC Power Jack is placed on an area of the motherboard, that is weak.

If you think of a 1 foot square sheet of plastic, as being the main body of the motherboard, and attach a 2 inch strip to the main body, this is the area shape that I'm referring to.

The 2 inch strip can crack, where it meets the main body.
Motherboards have Circuit Traces. Think of them as Very, Flat, Thin, copper wires.
Circuit traces go across the main body of the motherboard, and lead to the 2 inch strip. If this 2 inch strip cracks away from the main body of the motherboard, the circuit traces break.

If you move the AC adapter plug while in the DC Power Jack, you may be able to make the broken circuit traces touch each other, making a connection.
Eventually this fails to work.

Solution is to replace the motherboard. With this type of bad design the problem will reoccur.

This link is for the Acer Aspire 4520 Service Manual.
It is free.

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

As you can see there are many service manuals listed for Acers.
Scroll down with your eyes to the second Aspire listing. (Starts with 1200, 1300, 1310, 1350, and so on)
Scroll across the third line down, until you come to - 4520
Click right on 4520

This is a PDF file download. After you click on 4520, you may not see anything happening for a few seconds. The file is downloading in the background.

Advise letting the file download all the way, before looking through it. You might break the download connection.

If you wish to save a copy to your computer, go up to the top header, and click on the Floppy Disk icon.
This is the second icon from the left.

If you hover your mouse cursor over the icon, it will briefly reveal, 'Click to save this to your computer or another location'

After you click on the icon a small window comes up.
Save a copy...
Down in the Save a copy box you will see -
File name:

In the box to the right of File name, you will see -
aspire 4520 1220 4520g 4220g

Advise put your mouse cursor right after the g in 4220g, Left-click Twice, then make one space with your space bar.
Now type - Service Manual

Makes it much easier to find.
If you save it to your computer, you won't have to download it again. You can also burn it off to CD disk, and free up space on your harddrive.

I haven't worked on the Acer Aspire 4520 series yet.
The DC-in jack, (DC Power Jack) is on the Right side at the rear. (Page 17)

Looking at the Board Layout, Top View, on Page 12, you can see the DC Power Jack.

Come down below the 1 with the red small rectangle. Look straight to the left of the Half Moon hole, with the two top corners cut off. The DC Power Jackis on near the edge of the motherboard. (Board)

(You can click on the + sign in the top header, to zoom in)

On Page 13 you're looking at the Bottom view of the motherboard. (Board)
The little silvery dots are solder joints.

Your motherboard design does not follow Item 3,
I listed above.
You have a broken DC Power Jack, or cracked solder joints.


Dec 08, 2009 | Acer Aspire 4520-5582 Notebook

2 Answers

DC input jack broken


you need to buy a new jack for replacement. then solder the broken one out of the mainboard and clean the place and solder the new one. or some acer have a separet jack then that one is easy only to change.

Dec 25, 2008 | Acer Aspire 5500 5570-2609 Laptop

1 Answer

Broken DC jack Acer Aspire 3100 series, 3102 laptop


you can look in to http://www.digikey.com/

Dec 10, 2007 | Computers & Internet

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