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Ln40a530 samsung lcd tv wont turn on

My ln40a530 samsung lcd tv wont turn on. the tv was on and i accidentally unplugged the power cord and when i plugged it back in the red led power indicator was blinking. after doing some research i figured it was a power supply issue so i replaced the whole IP board and it did not correct the issue. The light is still blinking and the tv wont turn on.

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  • alena Dec 16, 2011

    have u solve this problem? i got the same problem with my tv. It will be very helpfull if u could tell me where was problem with your tv.



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Posted on Oct 21, 2009

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Since it is a LCD TV, I would say it is your main board. If there is led blinking in front of your tv but it wont turn on, it is most probobly your main board.

Posted on Dec 25, 2014


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Sony KDL 46HX820 turns on, then off and red light blinks four times.

Re: Bravia KDL46EX720. Red LED blinks 4 times and TV wont turn on. What is the problem?

Do a Power Reset.

1. Turn off the TV.
2. Unplug the power cord of the TV from the electrical outlet.
3. Let the TV remain without power for 60 seconds.
4. Plug the power cord back into the electrical outlet. (If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.)
5. Turn on the TV.

If the issue still persists after performing power reset, that may be an indication that the TV needs service. You may refer to this link to locate the nearest Sony authorized service center in your area.

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The TV has a internal fault, you will need to get a diagnoses to know the cause.

Nov 25, 2012 | Samsung LN40A530 40 in. LCD TV

1 Answer

I have a samsung LN-S3238D lcd tv. the unit is approx 3 - 4 yrs old. last night when watching tv the tv shut off by itself and will not turn back on. normally when the tv is shut off, the red led light is...

Hi replace the fuse in the wire connecting the mains plug. It's generally located within the 3 pin plug.
If you are lucky it maybe just a fuse blown out.

Jul 06, 2017 | Samsung LN-S3238D 32 in. LCD HDTV

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I have a samsung lcd ln40a330. When I try turning it on it does nothing. Is there a fuse to it.

Yes,the fuse in the power supply board,that the board,where the power a/c cord plug into it.Check ur power source?Yes,than the tv power supply board is dead.These modern circuit boards design never kill the fuse that easy.Tries websites like, to buy a whole refurbish power supply board for the replacement.

Oct 28, 2010 | Samsung LN40A530 40 in. LCD TV

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TV started cycling through cable TV input channels (it changes the input on it's own) and will not turn off. If unplugged >10 minutes and plugged back in, it powers on automatically and continues...

go to menu settings and reset the tv back to factory default
note this will also reset any of your customize features such as clock color fave channels

Aug 20, 2010 | Samsung LN40A530 40 in. LCD TV

1 Answer

I have a samsung tv and not turn on

Take the tv aparts.The tv power supply board is dead.That the board,where the power a/c cord plug into it.That the power supply board it dead.Tries the websites like, to buy a refurbish power supply board for the replacement.

Jul 14, 2010 | Samsung LN40A530 40 in. LCD TV

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