Question about Sony Walkman MZ-R50 Personal MiniDisc Player

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Instructions dc jack repair - Sony Walkman MZ-R50 Personal MiniDisc Player

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Does it work with batteries?
It's a real old MD walkman. If you can't fix it yourself, buy a newer (and better) one on eBay. They are fairly cheap these days.

Posted on Jun 19, 2013

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Loose ac adapter plug


For this issue, you may take it to repair or replace your laptop dc jack. If you are good at tech, you may fix it by yourself on the basis of the following instructions:
http://www.chargerbuy.com/blog/dc-power-jack-repair-guide-do-it-yourself-instructions/

Dec 27, 2012 | Lifetime Toshiba Satellite L505S5971...

1 Answer

My charger port is starting to not work


Obviously, your laptop dc jack is loose. You should repair it or replace it. If you are good at repairing computer, you can follow up the following instructions to do it by yourself:

http://www.chargerbuy.com/blog/dc-power-jack-repair-guide-do-it-yourself-instructions/

Oct 25, 2012 | Computers & Internet

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

Change dc jack / no power indicator


It does sound like the DC jack, you will need to dismantle down to the motherboard, chances are the jack pin is not making proper contact with the main board, "the board is double foiled" when board has been completely removed you need to resolder the points where the DC jack sits. This is a very tricky repair and to involved to give step by step instructions, I recommend a professional.

Apr 02, 2012 | Acer Computers>Laptops Aspire 5610-2328 PC...

1 Answer

NEED TO REPLACE THE dc CONNECTOR ON A MA7 GATEWAY LAPTOP


You will need to First Order/Receive a New Replacement DC Jack...
Then The Laptop Needs To Be Disassembled Down To The Motherboard.. let me know if you need full instructions on the steps involved in the DC Jack Repair..

Nov 24, 2009 | Gateway Computers & Internet

5 Answers

MY GATEWAY LAPTOP NO LONGER RECEIVES POWER.


Motherboard or harddrive? I'm betting it's more towards the motherboard. The DC Power Jack to be more specific. This is the port where the AC adapter, (Charger), plug is plugged into.

The DC Power Jack is not much bigger, than the plug for the AC adapter that plugs into it. There are small pin leads that are on the bottom of this jack, and they go through the motherboard, and are soldered to the motherboard.

Accidental bumping of the AC adapter plug, while plugged into the DC Power Jack, can damage the jack. It can break the connections for the adapter plug, and/or can crack the solder joints for those small pin leads.

[Laptops use DC electricity. A flashlight battery, and a laptop battery, are examples of stored DC electricity. DC electricity has two poles. Positive and Negative. The DC Power Jack has two connections. Positive and Negative. {Even if the DC Power Jack has multiple holes in it]

There is also another known problem associated with DC Power Jacks. It may stem from a bad motherboard design.

More to the point, the area where the DC Power Jack mounts on the motherboard. In this design, the DC Power Jack motherboard area, is almost a separate part of the motherboard. It's shaped like a Peninsula. (Think of an island, with one side connected to the mainland)

This peninsula shape, has the tendency to crack away from the main body of the motherboard. Circuit traces are broken.

When the AC adapter plug is setting in a certain position, it presses the two broken halves of the circuit traces together, for a momentary contact. As the AC adapter plug is moved from this position, the circuit trace halves are moved apart, and there is no contact.

(No distribution of electricity from one circuit trace half, to the other circuit trace half. Think of a circuit trace as a very, thin, flat copper wire. When a circuit trace is broken, there is essentially a wire that is broken into two parts)

Solution?
See if the DC Power Jack can be repaired, (Solder joint connections re-soldered), or replaced.
If the DC Power Jack motherboard area is the aforementioned peninsula shape, it may require replacement of the motherboard.

There are very FEW, computer repair shops that have the technical expertise to replace a DC Power Jack. Easy fix is to simply replace the motherboard. (More $$$$$ too)

However, some laptops DO require replacement of the motherboard for this repair.
Bad motherboard design, for the DC Power Jack area on the motherboard.

Re-solder DC Power Jack solder joints? (IF, this is the problem) Average is $50 to $75 (US)
Replace DC Power Jack? Average is $125 to $150. (US)
Replace motherboard? Depends on the Gateway model. Could be $225 to $400 (US)

[Yes, most of the time the cost warrants just replacing the laptop itself, as the cost of replacing, is close to the repair cost)

Just to SHOW you ab average DC Power Jack, and the repair involved of replacing. (Doesn't show you, that the entire laptop needs to be disassembled, down to the bare motherboard in hand)

This is NOT a recommendation to replace the DC Power Jack yourself! It is just for knowledge of what is partially involved. (You can accidentally burn the motherboard when desoldering, or soldering, rendering the motherboard useless)

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

Sep 09, 2009 | Computers & Internet

1 Answer

I need instructions on soldering a dc jack on my latitude x300 laptop


OK the first link is for the DC jack repair and the second link is a service manual for your laptop. Just copy and paste them into the address bar of your browser. Be sure to save a copy for yourself as a reference. Good luck
ParrotHead PC Repair.

http://www.laptoprepair101.com/laptop/2007/12/06/dc-power-jack-repair-guide/comment-page-9/

http://www.elhvb.com/mobokive/edwin/laptops/Dell/LATITUDE/X300/X300.PDF

Sep 09, 2009 | Dell Latitude X300 Notebook

1 Answer

Power Jack


Most, if not all computer manufacturers do not include these instructions, & for good reason too. You should not attempt to replace a DC Jack if you are not very technologically savvy.

Repairing the actual DC Jack itself requires you to strip the notebook down to the motherboard. From that point you will need to de-solder the old DC jack (very carefully) and then solder a new DC jack to the motherboard. After those steps are complete, you need to test the power using a voltmeter. If the voltage matches up to that of the computers you can continue. After you have finished all of that the only thing left is to put the notebook back together.

More detailed instructions as well as photos can be found by doing a Google search. Try entering the make and model of your specific notebook.. Who knows, you may get lucky and find a link with how-to photos.

Mar 18, 2008 | Gateway 400SD4 Notebook

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