Question about Samsung LA40A450 40 in. LCD TV

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My samsung tv picture keeps blinking

The picture keeps cutting on and off

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Prasanna

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  • 879 Answers

Check and replace its backlight inverter board.

Posted on Aug 19, 2012

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What does blinking out mean? You should be more specific. This can be that the picture is cutting out to snowy noise, meaning that the tuner board has issues or over heating, for example.

Jul 10, 2014 | Sanyo Dp55441 TV

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Picture and sound turn on and off
I believe that model has a logic board in it and that is what it sounds like to me. That is just off top of my head, but I believe if you will notice the standby light it will be blinking so many blinks and stop and then blink again. If so this is a code that you can look up on the Samsung web site and plug in your model and it should tell you what just say ~ 4 blinks means. I worked on so many and it has been a while but I believe the last one I had was a Samsung and I put a logic board in it. If I can be of any further assistance please let me know.

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I have a 55in samsung projection t.v. when i turn it on i hear sound for like 2 seconds but no picture the timer light blinks about 4 times and it cuts off. what could this be.....
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I had this problem. It cut off and front panel lights were blinking. Replaced bulb with a phillips OME bulb. Part # is on TV. Cost was about $100.

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I have a Samsung LN46C650 and sometimes the picture goes black and the audio cuts out for a second or two. It occurs at least once a day but it happens at random so I cannot duplicate the situation. I'm...
I have the same problem. At first the tv would just blink occassionaly and the sound would cut out just like yours. We realized if we turned the tv off then back on, it would be fine. Well, that's not working anymore, and as opposed to a blink, the tv picture is cutting off all together, can't imagine it will do anything but get worse. I called Samsung about another problem I had with the tv, the autofit screen size selectioon was great, however over time, on some channels there got to be a progressivley larger white line at the top of the screen. At first we could adjust the picture up to completely close the line. Now it is too large to cover up. Samsung said, "that's normal."....progressively worse performance?

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Power supply board is dead.That the board,the power a/c cord go into it.Replaced the power supply board will solved ur tv power lite LED light indicator blinking and ur tv power will be stable and work again.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

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