Question about Sony Motherboards

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I need replace my motherboard form my laptop

Had a sony vgn-ax570g, and need a new motherboard because de original is bad, you can let me something solutions ? , thanks

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I believe this is a laptop and it would be cheaper and easier to buy a new one They range in price AU $7550 upward. As to replace motherboard could be expensive as a computer repair shop would have to do it

Posted on Aug 08, 2008

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Want the manual for sony vgn-n38e


Link to the Service Manual, Donald,

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

That Sony VAIO VGN-N38e, is part of the Sony VAIO VGN-N series of Notebook PC's.

Scroll down to the 8th line that begins with the blue -> VGN-A
Scroll across, and click on the blue -> VGN-N

PDF file. and the computer you are using now has Adobe Reader on it, which uses PDF files.
May take up to 30 seconds after you click on the file name (VGN-N), before the first page comes up.
The file is downloading in the background.

That is the Service Manual. It doesn't have board level component replacement.

Is there a board level component that you feel needs replaced?
What are the symptoms of the laptop?

Power issues, if not the AC adapter, (Charger), or DC Power Jack; are related to the Power MOSFET's on the power circuit of the motherboard; and may also have bad MLCC's in that circuit.
(Multi-Layer Ceramic Capacitor)

[DC Power Jack is part of the circuit. Where it is attached look at those P.MOSFET's.
Example using HP Pavilion dv6000 series, and Pavilion dv9000 series of Notebook PC's,

http://mayohardware.blogspot.com/2010/04/important-parts-on-dv6000-and-dv9000.html

These series of HP's use the Fairchild Semiconductor International - FDS6679 - Power MOSFET, and the Alpha & Omega - AO4407 - P.MOSFET.

Looking at the second photo down, with the AO4407 circled in Yellow; look at the small rectangular object to the immediate right, that has a wide dark band on it.

There is one above it of the same size, and one above that one.
There is also one to the right of the top one.

These are MLCC's.

http://www.mouser.com/Search/Refine.aspx?Keyword=FDS6679

Scroll down.

http://www.mouser.com/Search/Refine.aspx?Keyword=AO4407

AO4407 has been phased out. List shows cross-references.

http://www.mouser.com/Passive-Components/Capacitors/Ceramic-Capacitors/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT/_/N-b2cj?P=1z0wrjcZ1z0x565

Just 4.7Mfd examples at 16 Volts.
Do not know the values of yours ]

Electrolytic Capacitor/s replacement?

OH, just cleaning the laptop out?
S'okay I was just letting you know board level replacement is possible.
(Does kinda' depend on your de-soldering/soldering skills, though)

Reply in a Comment.

Regards,
joecoolvette

Dec 08, 2012 | Sony a1268534a - Vaio Vgn-n38e Vgn-n...

1 Answer

Vaio vgn-fs790 will not power on


if your motherboard isnt getting the power it needs it very well may be one of these two things. First i could be a bad connection on the board which you can't do anything about. and Second you may be connection the cords from the power supply to the motherboard incorrectly.

Make sure everything is connected properly and then try again. If your motherboard does turn out to be bad then you will need to replace it from sony try to get it returned and but a better system. alot of sites can custom build you one and not restrict what you can upgrade with. For example Cyberpower or Ibuypower.
(thats if you just bought it)

May 05, 2010 | Sony Vaio VGN-FS790 Motherboard -...

1 Answer

-I replaced the mb in my sony laptop with the same model number. However, now my laptop is recognized as a bifferent model number Example: before the mb install the bios said I had a Sony VGN-SZ260p change...


Not a lot you can do except take it to a sony dealer it needs Bios rominfo changed which can only be done with the right softwre tools.
Provided the board supplied is from the same series everything should work o.k except you will not be able to do a system recovery.

Feb 02, 2010 | Sony Motherboards

1 Answer

Motherboard on my sony VGN-AR71M NEEDS REPLACEMENT


It maybe repairable... needs a New BIOS Chip. This is a Local Job for a Tech... my guess $250.
Motherboard Costs more Labor about the same... $350 is a guess.

Search a Local Repair shop certified in SONY Laptops... :)

Dec 31, 2009 | Sony (A-8059-921-A) Motherboard

1 Answer

Windows narrator


you have to uncheck do not show tick on narrator.

Jul 19, 2009 | Sony A-1273-689-A - VAIO VGN-FZ Series...

2 Answers

Vgn-cr42 drivers and utilities. good day sr! can you help me to solve my problem about my laptop? model named: vgn-cr42. co'z i lost the cd driver that support the chipset of my laptop. can you help me to...


pls confirm ur model here and get ur drivers from the link but pls select the actual madel of ur laptop is VGN-CR420, E,D, or what pls confirm and download and do rate me FIXYA for help

http://esupport.sony.com/US/perl/model-find.pl?mdl=Vgn-CR42

Mar 25, 2009 | Sony Motherboards

1 Answer

Controladores SONY VAIO PCG5K1L


ok ese noes el modelo, el modelo empiesa con algo como VGN dame ese modelo buscalo debajo de la laptop oh al frente y te dare los controladores.

Nov 10, 2008 | Motherboards

1 Answer

I want to supress the password in the bios motherboard



Newer SONY VAIO LAPTOPS (Core Duo, Dual Core, Core 2 Duo) generates a 16 digit error code like this one: "xxxx-xxxx-xxxx-xxxx" after 3 wrong password attempt, its an alpha numerical code that can be used to generate a master password that can UNLOCK all BIOS settings and the Power ON Password when you turn on The Laptop I just Unlocked My SONY VAIO VGN - AR Model With this code at http://www.laptoprebirth.com Hope this helps for everyone

Sep 27, 2008 | Sony Vaio PCG-FXA Series AMD (A8058677A)...

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