Question about Samsung LN40A550 LCD TV

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Samsung LN40A550 LCD TV blue light is on and redlight is blinking no audio and Video

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Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" or "Flipcard" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. You can also click the [Home] tab to see the latest updates. It will make search easy. There are more than 1350 posts to different brand TVs now. Pull up older posts there or make a search by typing in the brand name of the device in the "Search Box", at the top right of the display window

Posted on Dec 04, 2012

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Posted on Jan 02, 2017

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SOURCE: Samsung ltm1555B - lcd tv blinking on button

I am having the same problem with the blinking orange light

Posted on Aug 31, 2008

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SOURCE: 26" Samsung flatscreen LCD doesn't power up

Just to be a little more detailed, since I just fixed this problem. It is the capacitors are the problem. However, I think that if you have some minimal skills with soldering, you can fix this yourself. You just need to take out the system board, then the power supply parts are on the top right. The bad capacitor(s) will be bulging at the top and possibly have some brown stuff coming out. The ones that go bad are 1000microfarad, 10V, however you can replace them with higher voltage. I got 35V caps from radio shack for 1.59 each. You just need to solder out the bad ones and then put the new ones in and solder. Remember that the negative end goes on the side with the bold black part of the circle on the system board. Then just cut off the extra ends of the capacitors. If you are capable of doing this yourself, you will spend at most 6 dollars instead of however much a technician costs.

Posted on Sep 25, 2009

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SOURCE: need a tv code for samsung LN40A550 so I can

you can pull the code from thew directv menu, go to set up, then system setup, then remote control, then to program remote. this will let you select samsung from the list of brands, it will then give you every code it could be

Posted on Nov 17, 2009

  • 610 Answers

SOURCE: Can somebody pls. help...our tv Samsung LN40A550

This is a very common problem. The power supply board has failed and needs to be replaced. You can call 1-800-samsung to find out if this problem will be covered under a warranty and the nearest service center. I replaced at least 150 power supplies last year.

Posted on Mar 05, 2010

  • 113 Answers

SOURCE: Samsung LCD TV will not turn on or off. Red light

hi,
your lcd ip board (power board) capacitor had already exhusted.
got to replace the ip board.

Posted on May 10, 2010

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I have a samsung lcd tv that powers on has sound but the picture is fuzzy and has no colour . What would be the component that needs replacing for this ??


Hello. Before you start replacing parts, make sure your connections are correct. It sounds like you have connected a composite source to a component input. Composite is three RCA plugs, a yellow for all of the video, and a red and white for audio left and right channels. Component is five RCA cables, green, red and blue for video, and red and white for audio. if composite is connected to a component input, the picture will be black and white with squiggly lines all through it.

Mar 31, 2015 | Samsung LN40A550 LCD TV

1 Answer

The red light turns on and blinks,after about 20 blinks it wants to turn on but shuts off and blinks again going through this process could be all day if I did not unpug.


Your TV most likely has faulty capacitors in the power supply section of the TV. This is a failry common problem.


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2c07611.png The number one cause for the symptoms above are faulty capacitors within your Plasma or LCD TV. The number one reason that these parts fail is that TV manufacturers often times use lower grade capacitors in their efforts to reduce costs. After several years these lower grade parts will tend to fail first. To insure that these parts will not fail again its imperative that they are replaced with high temp, high quality, low-ESR caps. You can find the parts online from sources like Digikey or you can get complete reair kits incuding the parts, repair instructions, and support from www.TvRepairKits.com

Dec 14, 2010 | Samsung LN40A550 LCD TV

1 Answer

Will not power on or off with remote or on console. no picture. Bottom right corner red light light blinking


This model have a common problem, it on and off cycles, and you can hear the turn on sound repeat. It is the main board failure, you can replace it, the part # you can see a sticker on the board, the format is like BN99-99999C. cost approx $120.

May 10, 2010 | Samsung LN40A550 LCD TV

2 Answers

Can somebody pls. help...our tv Samsung LN40A550 LCD would not turn on...the red light (power) keeps blinking & the blue bar is turned on too as soon as you plug in the tv but the screen won't turn...


This is a very common problem. The power supply board has failed and needs to be replaced. You can call 1-800-samsung to find out if this problem will be covered under a warranty and the nearest service center. I replaced at least 150 power supplies last year.

Mar 05, 2010 | Samsung LN40A550 LCD TV

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Connect a source that puts out 1080p. Blue ray dvd or Some video games. No broadcast is 1080p. Broadcast HD is 1080i. i is for interlace p, is for progressive scan.

Nov 01, 2009 | Samsung LN40A550 LCD TV

1 Answer

My 46-inch Samsung LCD TV screen went black. Audio works.


If you are seeing light then the back light is working. Can you get a menu?Do any of the other video inputs work? If no video but has backlight and no men or any on screen display replace main board.

Sep 13, 2009 | Televison & Video

1 Answer

TV on lights keep blinking off and on but tv won't come on


The problem can be caused by either a Bad Main bd or a Bad Power Supply bd. Those two boards are the common failures. Other boards that can cause this are the T-Con bd and the Inverter bds.. To determine if your tv is in or out of warranty you need to look at your tv Purchase Receipt and see what the Purchase date is. Samsung gives you a One Year parts and labor warranty from the date of purchase on your set. You can also call 1-800-Samsung for more assistance.

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If you play with blu-Ray with HDMI, you will see the amazing picture quality.
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Jan 27, 2009 | Samsung LN40A550 LCD TV

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