Question about Acer Extensa 4620 Notebook

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Broken power plug - Acer Extensa 4620 Notebook

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Remove the motherboard, unsolder the old DC Power Jack; solder a new one in.

http://www.dcpowerjacks.net/catalog/index.php?main_page=product_info&products_id=1027

Service Manual,

http://www.scribd.com/doc/6469636/acer-travelmate-47204320-extensa-46204220-biwa-service-manual-sgtm47204320book0724-factory-repair-maintenance

ISN'T the Extenza 4620, is the Extenza 4720. Should be REAL CLOSE.

You have to scroll down about half page, (Right side scroll bar), until you get to Page 56 - Machine Disassembly and Replacement - Chapter 3.

Suggest USE an ESD wrist strap. (Electro Static Discharge)
Your body carries Static electricity, and you don't want to Static shock your laptop. Unless you want an expensive doorstop.

Average cost is around $3 to $6. One example,

http://www.radioshack.com/product/index.jsp?productId=2103245

Work ON a table. (Unless you have a workbench, of course)
Do NOT work on a bed, couch, or directly on a carpet floor. HIGH areas of Static electricity.

Set a large metal serving tray (Unpainted), on the table; and connect the ESD wrist strap's alligator clip to it.
Or use a large metal knickknack. (Unpainted)

[I connect to an unpainted surface, of the metal frame of an open, empty desktop computer case. I feel an Anti-Static Mat is unwarranted, and I don't want my wrist connected to the local, yokel, utility companies ground source ]

http://www.laptoprepair101.com/laptop/2007/12/06/dc-power-jack-repair-guide/

http://www.laptoprepair101.com/laptop/2008/10/28/fortify-damaged-power-jack-connection-in-laptop/

I use Desoldering Braid, (Solder Wick), to remove the excess solder, from the solder joint; then remove the jack.

Fingertips pulling on the jack, (Fingernails rest against the motherboard, and work as fulcrums), heat one lead's solder joint, then move to the one next to it.

The jack will start to pull up on those two leads, BUT will be held in by the other leads. Therefore you can only go so far, then move to the next lead coming out of the jack.
Keep going around, and around; pulling the leads out a little at a time; until finally the jack comes off the motherboard.

GO S-L-O-W.
If it takes until midnight two days later, it takes until midnight two days later.
You DO NOT want to burn the motherboard, or those circuit traces on it.

Melt a solder joint, pull the jack up a little - STOP.
Allow the motherboard to cool a little. Go to the next two leads of the jack. Heat, pull, cool down.

If you heat the motherboard too much you will burn it.

If you heat a circuit trace hole too much, you can lift that circuit trace hole off of the motherboard.

If you heat a circuit trace hole too much, you can render it useless from accepting tinning again
(To Tin is to apply a light coat of solder)

Can't be tinned; can't be soldered. (Can't solder the DC Power Jack lead, to the circuit trace hole.

GO SLOW

After the jack is removed, there may be a thin skin of solder over the circuit trace hole.
LEAVE IT ALONE.
Do not dig it open. You could ruin the motherboard.

When the new jack is being installed, the prongs, or leads, press up against those circuit trace holes; and against that skin coat of solder over the hole.
Just touch that skin coat of solder with your 25 Watt (Or so), soldering iron; and the lead of the jack will poke through.

Just that easy folks.

BE SURE to thoroughly clean the circuit trace hole area, BEFORE tinning it again. (IF it needs it)
You have to clean the residue that was left behind, off; before attempting any repair.

For additional questions please post in a Comment.
Regards,
joecoolvette

Posted on Jan 08, 2013

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Depending on your own or a friends skills, most laptops have a power plug that can be bought off eBay and resoldered to the motherboard.

Posted on Jan 08, 2013

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