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I have a Samsung LCD tv LNS-4041dx that loses picture after being on for a short period of time. What might this be and what would be the cost?

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Blown caps and 300 to 400 to repair

Posted on Sep 12, 2008

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Over the last couple of days my tv has no picture intermittingly


If the TV is older than 3-5 years or do, it is probably an LCD model with a fluorescent backlight. These backlights have issues with the inverter boards and/or the tubes failing over time. This is why newer flat-panels have gone to LED backlighting. Without the backlight, the picture is actually on the screen, but you aren't able to view it because there is no light to illuminate it. These CAN be repaired, but the cost of new TVs makes it almost most cost-effective to upgrade to an LED TV.

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My samsung tv screen just blacked out. how do i find a reset button


Samsung is known for producing high-quality LCD televisions with excellent imaging and sound. Unfortunately, LCD televisions, like all electronics, are subject to problems on occasion. Common Samsung LCD problems include a television with sound but no picture, sometimes due to a faulty power supply. Although these problems can be difficult to fix by yourself, it is sometimes possible to extend your television's warranty by contacting Samsung.

  1. Diagnosing and Fixing A TV With No Picture
    • Problems can often occur with even relatively new Samsung LCD TVs. Some customers report their screen going black shortly after turning on the television, even though the TV's speakers continue to produce sound. You can test and rule out a number of things before concluding that your TV has a hardware defect.
      First, check the input settings of your television. Often, users will experience a dark screen when first turning on their television if the selected input corresponds with a turned-off or unplugged input, such as a gaming system or DVD player. If the problem persists, try reconnecting all cables on the back or sides of the television. It's possible that one of your cables has gone dead. If you have access to other cables, try swapping these in and see if the problem persists. Some customers report that turning the television off and unplugging it for an extended period of time, up to 24 hours, can fix the black-screen issue.
    Power Supply Issues
    • If you've tried all of these suggestions and problems persist, it's possible that the power supply inside the television is defective or broken. The power supply for most Samsung LCD televisions will cost around $150, with labor costs of around $250. Unless you have a fair amount of TV repair expertise, this is probably not the sort of repair you'd want to attempt yourself. Also be aware that occasionally, especially with older television models, the part you need might be out of stock. Getting a back-ordered part shipped to you or your local repair shop could take up to a month.
    Warranty Information
    • If you register your Samsung LCD TV online, your standard one-year warranty may be subject to a three-month extension. Be sure to save your bill of sale; Samsung might ask you to send them a faxed copy of it when you ask for your warranty extension. If your television is still within its warranty period, it's probably best to contact Samsung and ask for a replacement television, or a professional repair service. Problems that fix themselves may crop up and become permanent over time, and you don't want to be stuck with a costly repair outside of your warranty period.
I hope you find it very helpful. Best regards.

Aug 16, 2011 | Samsung Computers & Internet

1 Answer

I have 42 inch lcd tv, which is not displaying any picture. i had purchased it on 27 sept 2009. it is couple of days above the warranty period. but the samsung people are asking to get the tv panel...


Where do u live,which country is this? $52,000 i can buy a brand new car for this price.If the tv LCD screen panel is damage or broken.The tv is useless,only can,must be replace it with another LCD screen panel,the tv screen panel are 90% important to the tv.30% of the cost of the tv to replaced the LCD screen panel is fair.U don't take the offer,the tv LCD screen panel is damage or broken,will not able to buy and replace by any other tv shops technichains.The LCD screen panels are limited production by the tv corporation.

Oct 17, 2010 | Samsung Televison & Video

1 Answer

Is there any High Voltage DANGER when repairing a Samsung LCD TV


Just be careful around capacitors, which could possibly still hold a charge. Otherwise, there are warnings on parts that you shouldn't touch. I would say that the biggest thing to watch out for is getting stabbed by the sharp solder points. I always forget how much it can cut you.

Aug 10, 2009 | Samsung LN-S4051D 40 in. LCD Television

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Samsung 32'' LCD (LA32R81B) is as good as dead


I would venture to say it is the power supply first. Capacitors in LCD power supply's frequently go bad after a year or two. LCD displays very seldom go bad and I have not seen one kill a set completely.

Feb 14, 2009 | Samsung Televison & Video

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Samsung LNS 4051D color problems


1.T-con board or related cables problem -- 60%
2.replace Main Board -- 40%

Jan 25, 2009 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

NO PICTURE, MENUS... ONLY SOUND


same happend to my lns 4692....control board is gone and since it's attached to the screen...everithing is gone,my tv is under warranty,but Samsung did nothing in 3 (three!!) months,though they promised service,repair,replacement..u name it..!!I just finished a complaint letter to attorney's general office,NJ,consumer protection divisin,BBB,and others...let's see what happens...I WILL NEVER BUY SAMSUNG AGAIN, AND THOSE OF YOU WHO WILL, THINK ABOUT WHAT HAPPENED TO ME...SO THINK TWICE..OR THRICE...HA ,HA...SAMSUNG, IN ENGLISH IS...SOME SUCK!!!

Sep 19, 2007 | Samsung LN-S4692D 46 in. LCD HDTV

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