Question about Samsung LN-S4051D 40 in. LCD Television

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My Samsung LNT4065F won't turn on. - Samsung LN-S4051D 40 in. LCD Television

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Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. Or, something simple like a blown fuse inside the TV. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptom.
You have a few choices:

1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2. If by chance the TV is still under warranty, go that route.

3. If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15.

4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


I hope I shed some light on the subject for you.

Posted on Jul 18, 2009

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Samsung lnt4065f


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
If blinks continue without any pause, the main board is faulty.

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Having a problem with my 2 yr old Samsung LCD TV [LNT4065F], which I understand from several unfortunate owners, is quite common. When trying to power up, the TV will not turn on, just keeps clicking and...


U know basic electronic's and soldering?Take ur tv aparts,Where the A/C cord plug in that ur power supply board.Searches all around the board,those capacitors are bad,they usally have bulges up on it top or puff up on it top.Replaced these leakages gases capacitors,ur power will retrun to normal.Or tries Websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.The cost about $100-150+shipping.Ha,Ha u supply the labors,and the part now,that why it cheaper.

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SAMSUNG LNT4065F KEEPS WILL NOT COME ON ANYMORE. FIRST IT WOULD'T COME FOR ABOUT 10 MINUTES ON-OFF ALL THE TIME. KNOW THE BEST THAT I CAN GET IS COLOURED VERTICAL LINES IF IT COMES ON.


Yeah your decoder is giving on you and it needs to be replaced. www.partstore.com would have the part if you want to install it yourself.. But if you hvae a tech do it you looking around $150 upwards if you want a total solution.

Please rate and Thanks

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Two (2) minute start up Samsung LNT4065F


I found information on the earthinfo website that seems to pretty well describe, what I think to be the problem. I believe this to be a capasitor problem on the pwer supply. I'm going to try and replace these as time permits. It Seems MANY have had this problem and I'm convinced this is the resolve I'm going to persue. Very helpfull website, step by step instructions and pictures. I do not, at this time, believe this to be any software issue.

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My samsung lnt4065f quit working we took back off and found two capacitors are swelled, is this easy to fix it myself?


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