General Question

Steve_A's avatar

How hard is it to fix a LCD flat screen with a shot out power supply?

Asked by Steve_A (5120points) September 29th, 2010

Snooping around craigslist for a new screen.My screen is starting to face its final days with the red pixels of death consuming it.

I saw this screen, couple others as well.

http://tampa.craigslist.org/hil/sys/1962100765.html
Something easily fixed or DIY?

How much would it cost to fix?
What do you think worth looking into or pass it up?

I’m guessing if would cost me $10–35 dollars to fix would still be a great deal.

I believe these screens go for like $100–200 dollars?

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8 Answers

mrlaconic's avatar

As someone who works with electronics (and particularly computer hardware) I can say that often times it costs less to buy a new unit then it does to replace the internal parts.

With monitors there is a danger involved, while most electronics discharge the energy they hold shortly after being powered off, monitors hold there charge for a LONG time (Years). So if you are going to try and repair it, make sure you have all the right tools. A simply static mat and a wrist band are not enough.

Steve_A's avatar

@mrlaconic Hm so there is potential to basically kill myself?

I might have to pass on that, but if I did get the part how hard is it to take apart the screen and attempt to fix it?

I’ve changed parts on my computer before so I am fairly aware of what not to do.

Also do you know in terms of cost what I’d be looking at?

mrlaconic's avatar

I apologize but I can not answer that aspect of your question without seeing the inside. The external connector parts are standard, but how it is connected on the inside… it’s dell so I can say with a safe bet that the internal connections are proprietary to dell.

Serevaetse's avatar

Just an FYI- be careful, because my dad (this happened to him a few weeks ago) took his LCD to be fixed, and the guy said that he would do it really cheap, like 20 bucks and so my dad said ok, and asked when the guy would have it finished. The guy said about three days.
So a week later, my dad called him and the guy said that he broke the screen, but that it was now working, and since he broke the screen, he would give the tv to my dad for no charge. So eventually two weeks later, my dad went to pick it up, and the guy had cracked the screen, and charged my dad fifty bucks.
So, be careful, because some people aren’t who they say they are…
But it really shouldn’t be too much money.

Steve_A's avatar

Guess I found this too late,called the guy to ask if the power supply was interior or exterior. He sold it couple days ago.

:(

Strauss's avatar

I would still agree with @mrlaconic about working with electronics. One of the first thing I learned about electronics back in the 1960’s is that capacitors can hold on to a hefty jolt, even if the device is turned off for years!

Gamrz360's avatar

Eh my dad had the same problem. but he ended up taking it into Best Buy and they fixed it.

dabbler's avatar

How do you know the power supply is causing the problem &/or that the power supply is shot?

If it is power supply symptoms maybe you can get inside the display and jiggle/reseat the connectors from the PS to everything else. Do look out around the power supply the capacitors can sometimes hold a nasty charge after it is unplugged.

Try that before chucking the thing out.

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