Question about Sony VAIO VGN-FJ170P/B PC Notebook

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Dc jack how do you get the case off to replace the dc jack. mine is broken around the pins and I can get the case off, but when I get to the side w/dvd something is holding it and it won't release. i see no other screws to remove.

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  • Anonymous Dec 08, 2007

    I need to install all drivers and software for my laptop.

    Which's de order for them?

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  • 883 Answers

Try releasing the dvd tray by inserting a paper clip, and then, with laptop upside down, while moving the tray in and out, and using a flashlight,  look for a window opening through the tray that allows access for a screwdriver and you may find the last screw.

Posted on Oct 29, 2007

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Compaq CQ1-1225 AIO Wont Start at all. Removed all components


Suggestions;

Anti-Static wrist strap connected to ground source, and your wrist;

1) The jack your AC adapter plugs into on the motherboard, is the DC Power Jack.
Motherboard out of case, power to motherboard, take your multimeter and see if you are getting 19 VDC at the DC Power Jack's positive solder joint, on motherboard.

The center pin of the jack is Positive. (The inner cylindrical shell is Negative)
Follow the DC Power Jack's positive pin from the Center of the jack, to the motherboard.

You probably won't be able to touch your meter's Positive (Red) probe, to the DC Power Jack's positive pin under the jack; so touch it's solder joint on the opposite side of the motherboard.
(DC Power Jack should be soldered close to the motherboard, is why)

Of course also touch the Negative lead, (Black probe), of your meter, to the Negative, (Ground) solder joint for the DC Power Jack.

Getting 19 volts DC?

See if there is a cracked solder joint, for any of the DC Power Jack's pin connections to the motherboard.
ANY perceptible movement of the DC Power Jack on the motherboard, indicates a bad power jack, and may indicate a broken/cracked solder joint.
Center pin of DC Power Jack is loose? Bad DC Power Jack. Replace.

2) DC Power Jack is determined to be in good repair? No cracked/broken solder joints?
The next components in the power circuit on the motherboard, leading From the power jack, are P. MOSFET's.
Power MOSFET.

Power MOSFET Wikipedia the free encyclopedia

More information using a prior solution,

Dv6000 power light does not come on any more

Check the links given.

3) The last thing that concerns me, although I probably should have listed it first; is the AC adapter you are using.
Concern is that it doesn't have the 'intelligent chipset' that matches the Compaq CQ1-1225 All-In-One desktop PC's circuitry.

AC Adapter For Compaq Presario All in One CQ1 1225 Desktop PC Charger...


Just my thoughts..........
Regards,
joecoolvette

Jan 15, 2015 | HP Computers & Internet

1 Answer

Acer Aspire 6930 charge port problems


The DC jack in the laptop may need to be replaced, go to www.ebay.com Type: make and model of laptop, refine search to DC jack or scroll through the list. The laptop must be completely dismantled down to the motherboard and removed from bottom base, soldering equipment a must with the skills to use it, suggest a computer repair shop.

May 13, 2012 | Acer Aspire 6930-6455 Notebook PC

3 Answers

Hi when plug in my ac adapter into lenovo x61 the tablet will not turn on i try it on other computer and it will on what happen?


LOL, sounds like your tablet has seen it's better days. See why HP got out of the Tablet business? They are nothing but trouble.

Apr 08, 2012 | Lenovo Tablets & eReaders

1 Answer

Dell laptop latitude C640 model pp01L will not charge or boot


1) Check the AC adapter (Charger) to see if it is putting out 20 Volts DC.

Use a multimeter with the Function knob set to DC Voltage. If just a symbol, the symbol is a dotted line over a solid line.

If there is a multiple setting for the Function knob with DC Voltage, set it to the 0 to 50 Volt (DC) scale.

If you do not have one, or access to one, an economical yet reliable multimeter, can be purchased for as little as $10. (Less in some places)
A multitude of stores carry them. An auto parts store is but one example.
Analog or digital doesn't matter.

http://www.laptoppartsnow.com/uhsdfsrzdgir779.html

This is the DC Power Jack. May be labeled as DC IN on the laptop,

http://www.discountelectronics.com/index.php?l=product_detail&p=14640

I want to show you it, and have you look at the cable end, that is coming from the AC adapter (Charger) TO the laptop.
(To the DC Power Jack)

See the 3 pins? Arranged in a triangle? Note the socket holes in the cable end.
The pin that sits all by itself on Top, is the Positive pin.
The two pins down below are Negative, or Ground, pins.

The Positive (Red) probe lead of the multimeter, is inserted into the single socket hole, in the cable end.
The Negative (Black) probe lead can go into any of the two bottom socket holes.

Read very near 20 Volts?
Have an assistant wiggle both cables. First the one from the charger To the laptop, then the one from the charger to the wall receptacle. (Or surge protector, actually)

2) Charger checks out?
Go to the DC Power Jack.

You may wish to skip checking the charger out first, and check the DC Power Jack, if you Know that the charger is good.

Battery removed see if you can wiggle one of those 3 pins around.
Be gentle, use a pencil if available.
ANY perceptible movement means a Problem.

Looking back at the second link above showing the DC Power Jack, note the metal prongs coming down towards the bottom of the jack.
There are 4.
2 on each side.

Note the 3 long pins sticking down towards the back of the jack.

The 4 outside prongs made from the outer case, are used to anchor the jack into place. They go down through holes in the motherboard, and are soldered on the opposite side.

There may be Ground attached to the case through these prongs also.

The two pins sticking down towards the Back of the jack, are also Ground pins. (Negative)
The single pin by itself is Positive.

A) IF, any of the pins wiggle, the jack is broken, and needs to be replaced.

B) IF, the outer shell of the jack wiggles, the jack May just need to be soldered back into place.

(Could also be an indication of more damage than appears to the eye)

Same thing for the single Positive pin solder joint.

Charger checks out, DC Power Jack checks out, the problem may be a bad power sensor chipset.

This chipset senses when the laptop battery needs a full charge, or a trickle charge, or no charge.

This means it also will sense when the laptop is to be run straight off of the charger, and not the battery.

Usually means motherboard replacement, unless you have access to the chip, and means to replace it. (Soldering tools, and technique)

Appreciate it if you would keep me apprised as to what you find.
Post in a Comment.

Regards,
joecoolvette

Jan 23, 2012 | Dell Computers & Internet

1 Answer

Broken central pin on power jack of Asus Eee PC 1015ped


I realize I'm providing a solution to an older problem, and may never hear back from the original poster.
I am providing a solution because in the event it may help someone else.

The center pin you state is part of the DC Power Jack. The jack on the laptop, that the plug from the AC adapter (Charger) plugs into.

The center pin is the Positive connection.
The outer metal pieces, on the inside of the cylindrical shape surrounding the center pin, make up the Negative connection.

http://www.lapdiy.com/asus-eeepc-eee-pc-1015ped-netbook-dc-power-jack-connector-p-581.html

Click on the two views shown of the jack to enlarge.
The view on the left, shows how the jack normally sits on the motherboard. Front faces you, and in upright position.

The view on the right shows the jack upside down, and the back faces you.
Note the 4 metal tangs which protrude up. Each has a squarish hole in it.

These tangs go through the motherboard, and are soldered to the motherboard. These tangs are Negative connections.
They connect to the metal pieces inside the cylindrical shape.

Looking at the Back of the jack, (Right view), you see a metal tang coming out of the center.
This tang is the Positive connection. It attaches straight to the Center Pin.

To replace the DC Power Jack, the Eee needs to be completely disassembled down to the motherboard in your hands.

(Observe Anti-Static Precautions. Use an ESD wrist strap. Average cost is around $3 to $6. Connect the alligator clip to a good ground source.
{ I connect to an unpainted surface, of the metal frame of an open, empty desktop computer case )

The broken DC Power Jack is c-a-r-e-f-u-l-l-y removed from the motherboard, and after the area is prepped, the new DC Power Jack is soldered into place.

http://www.youtube.com/watch?v=_2htZGio8es&feature=related

Regards,
joecoolvette

Oct 20, 2011 | ASUS Eee PC 1005HA-PU1X-BK Netbook

1 Answer

My netbook charger wont chanrge properly. I have to play around with it too charge. At some places like if i putit down it might charge but then again if it is moved abit then it wont charge. I have to...


This is caused by a faulty DC jack on your motherboard. The solder holding the pins from the jack to the motherboard break and when you wiggle it just right the solder is contacting the board.
Most repair shops will charge you at least $100 to fix this.
Repair options are A. Re-solder the DC jack on, this requires dis-assembly of the netbook B. DC jack has broken pins and it is generally possible to replace the jack unless it is epoxied to the motherboard then it's on to C. C. Replace the motherboard.
A is obviously cheaper.

Aug 05, 2011 | Advent Netbook

1 Answer

DC Jack pin is broken on my Toshiba satellite p25 S607


you have to strip down the laptop so you can access the underside of the motherbord then you need to desolder the solderd connectors and remove the DC jack
then put the new DC jack in its place and solder back in place
please note this is quiet a big job and requires knowlage of laptops

Nov 22, 2009 | Toshiba Satellite P25-S607 Notebook

1 Answer

Toshiba plug-in ac adapter LCDlight flashing and wont boot up


It may be that you need a new, (Or good condition used), motherboard. You may not.

The problem could be the DC Power Jack. The DC Power Jack is small, and the body is made of plastic. Sometimes there is a metal shell around the plastic body. (The jack is a rectangular shape, and is just a little larger, than the outside portion of that AC adapter plug!)

This is an example of a DC Power jack for a Toshiba Satellite a215-s5807,
http://www.notebookworks.net/ProductDetails.asp?ProductCode=NBW52-0133

As you know there is a metal pin in the center, and at the back of the round hole, there are flat metal contacts.

Let me explain the construction of a DC Power Jack, and how it's mounted to a motherboard. This all has relevance to the solution.

Your laptop uses DC electricity. (The AC adapter converts AC to DC. Your laptop battery, and a flashlight battery, are examples of stored DC electricity)

DC uses a Positive connection, and a Negative connection. The metal pin in the center is Positive. The flat metal strips at the back are Negative.

That laptop DC Power Jack has metal prongs, that come out of the plastic body. One prong, (Or pin), connects to the Positive metal round pin, in the center of the jack.
There may be one, or two prongs, (Or pins), that come out of the plastic body, and connect to the Negative side of the jack. (Flat metal strips)
These prongs go down through holes in the motherboard, and are soldered on.

With the AC adapter plugged in, an accidental bump on the plug itself, could break the body of the jack, or break solder joints that hold the jack to the motherboard.

AC adapter removed, and battery removed. Use a NON-metallic object, and see if you can make the center pin of the jack move. See if the entire jack itself seems to move.
A.If the center pin moves, you have a broken DC Power Jack.
B.If the entire jack moves, you have cracked solder joints. (Broken)

Replacement of the DC Power Jack for A.
Re-solder the solder joint/s for B.

Cost of replacing a jack at a reputable computer repair shop? $90 to $150
Cost of re-soldering solder joints? $50 to $90
Cost of replacing the motherboard?
$250 on up.

If you are a skilled person with the correct tools, it is feasible for you to replace the jack, or re-solder the solder joints.
It is also feasible that you yourself, could replace the motherboard.

Some laptops have a poor motherboard design, for where the DC Power Jack is mounted to the motherboard.

Crude explanation would be, that the main body of the motherboard is a 1 foot square. Then a 2 inch square comes out of the side of the main body.
The DC Power Jack is mounted to that 2 inch square. From accidental bumping, OR just normal usage of inserting, and removing the AC adapter plug, this 2 inch square can crack away from the main body.
This, of course would require a motherboard replacement.

Disassembly instructions for a Satellite A200 and A205 Series laptops. Very close to the A215 Series,
http://www.irisvista.com/tech/laptops/toshiba-satellite-a205/laptop-disassembly-1.htm

(Don't forget to buy, and use a cheap ESD wrist strap, to prevent static shock to the delicate hardware components, inside your laptop. Average cost is $7)

Aug 04, 2009 | Computers & Internet

2 Answers

Screen black & with no power


hi there,

you can follow this instruction and try to your laptop to resolved the problem.

A bad connection between DC-IN power jack on the system board and the system board is a very common problem with Toshiba Satellite M35X and Toshiba Satellite A70/A75 notebooks. If your laptop is out of warranty, then you can fix the problem by resoldering DC-IN jack on the system board. If it’s still under warranty, it would be fixed at no charge to you.
Problem symptoms:
  1. Laptop randomly shuts down without any warning.
  2. Power LED and battery charge LED start flickering when you wiggle the power cord or the AC adapter tip on the back or your laptop.
  3. The battery will not get charged.
  4. When you plug AC adapter, the laptop appears to be dead and there is no LED activity at all (DC-IN jack on the system board is broken).
To fix the problem, you have to take your laptop apart, remove the system board to resoleder or replace the DC-IN jack. Toshiba Satellite M35X and Toshiba Satellite A70/A75 disassembly guides will help you to remove the system board. Take a closer look at the power jack on the system board with a magnifying glass. In most cases you get the power problem because of a bad connection between the DC jack and the system board, you’ll see a crack between the DC jack connector and the system board.
Here is an example of Toshiba Satellite M35X power jack. The crack occurs between the DC jack pin and the system board.
satellite-m35x-crack.jpg satellite-m35x-contact.jpg In some cases the connection is good, but the DC jack is bad itself. You can find a new DC jack for Toshiba Satellite M35X and Toshiba Satellite A70/A75 laptops here. Search for DC jack M35X or DC jack A75.
How to resolder laptop power jack yourself.
UPDATE:
Sometimes, after you replace the jack, you can see that the system board doesn’t get power at all. The battery will not charge and the power LED will not light when you plug in the AC adapter. So, here’s a possible explanation.
When a connection between the positive pin and the motherboard breaks (cracks), the power jack gets loose. You can feel it when you plug in the adapter plug. A loose power jack can damage the trace inside the hole in the system board. Take a look at the picture.
power-jack.gif As you see, the positive pin goes through the hole in the system board and you solder it on the top side. Right? What if the trace between the top side and the bottom side is broken somewhere inside the hole? I’ve seen it before a few times. In this case everything looks nice and clean on the top side. When you plug in the AC adapter, you get normal voltage readings between “+” and “-“ pins on the top side, but the power DOESN’T go to the motherboard at all, because there is no connection between the top and bottom sides. Test with a multimeter if there is a connection between the top and the bottom.
If the trace inside the hole is broken you still can fix it. You can run a wire to connect the top and the bottom sides. Be careful not to short something on the board.
Update:
Here’s another solution to fix the power jack problem, it shows how to relocate the power jack outside the laptop base. Check it out here: Toshiba Satellite A75 failed power jack workaround.
When you repair a loose power jack, it’s a good idea to check the jack on both sides of the motherboard. When you remove the top cover from a Toshiba Satellite A70/A75 laptop you can see only points where the jack is soldered to the motherboard as it shown on the second picture in this post, but you cannot see the jack itself as it shown on the first picture.
Removing the motherboard from Satellite A70/A75 laptop is a good idea because the jack itself might has a broken “+” pin, as it shown on the picture below. If the “+” broke off the base, you’ll have to replace the jack.
power-jack-broken.jpg

Feb 15, 2009 | Toshiba Satellite A75-S229 Notebook

4 Answers

Steps to replace DC power jack L15-S104


its not so easy to replace you dc jack please don't try your self....

Apr 25, 2008 | Toshiba Satellite L15-S104 Notebook

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