Question about Samsung 51" 720p 600Hz Plasma HDTV PN51E450A1F

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Samsung Plasma pn51e450a1f will not power on. It has a red light that flashes at bottom left of screen once every 10 seconds. I have replaced the power board.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 179 Answers

SOURCE: Samsung 42" Plasma-SPN4235 screen problem

the panel itself has failed

Posted on Dec 01, 2007

  • 1 Answer

SOURCE: Samsung flat screen wont turn on red light just flashes..

wont turn on red light just flashes?
On my samsung flat screen tv when you are watching the televison there is no red light on the power button but when you turn the television off the red light stays on all the time? what can I do to turn this light off?

Posted on Oct 29, 2008

  • 304 Answers

SOURCE: Samsung TV Power Supply Board

I doubt that moisture damaged the SMPS bd.
There are many circuit boards in your set and it will take a trained samsung tech to find the problem.

Posted on Jul 17, 2009

SuperTech-11
  • 1591 Answers

SOURCE: i have a samsung LN32A330J1DXZA

There's a good chance you have failing electrolytic capacitors either in the power section or the inverter section or both.
Any caps in these sections that look bulged at the top, or bulged/leaking at the bottom need to be replaced.
If you repeatedly turn it on, eventually it'll probably stay on, but every time you turn it off, the TV will get harder and harder to start up until one day it just won't.
Sometimes you have to do the opposite to start it up and unplug it for 5 mins, then try.

If you aren't tech savvy, this unit needs to go in for repair.

If you are handy with a soldering iron and can identify the power supply and inverter / FM section for the backlights, an inexpensive handful of capacitors will likely fix you right up.
Match the capacitance on the capacitors. Go over voltage if you can, and still have them fit.
IE - it's not a bad idea to replace a 10V cap with a 16V or 25V or even a 50V, but don't replace a 680uF cap with a 500uF or a 1000uF (unless you are positive it's only doing ripple filtering).

Most of the caps that go are 10V 1000uF or 3300uF.

I found some great videos of the procedure (for different brand, but same issue) on youtube.
http://www.youtube.com/watch?v=Mm51C_RDIZE

http://www.youtube.com/watch?v=BNHHrgX_6cs&feature=related

http://www.youtube.com/watch?v=8l0AUj8QUkg&NR=1&feature=fvwp

http://www.youtube.com/watch?v=Y7b_nTaZYcU&feature=related


As you can see, this issue spans plasma TVs, as well as large and small LCD TVs and monitors.
The parts are cheap, and skill required is minimal.

Posted on Mar 11, 2011

  • 1 Answer

SOURCE: Samsung PS42B430 42" Plasma tv. LED flashes and

what is the best solution here plasma tv ps43d491a4?

Posted on Nov 17, 2012

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Seems like backlight is not turning on. Try to get different angles and bright light on the screen to see if there is something on the screen (not sure if this is true on plasma). If you see some text/image, troubleshoot the backlight board.

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My tv wont turn on


Fault to its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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Check and replace the 15V SOS board. It is faulty. If you wish to get more details about these type of faults to Plasma displays, check this link.

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1 Answer

Samsung PN51E450A1F screen flashes and shuts off


how many times the standby light flashes? Count it carefully. The number of flashes are fault indications. Visit the site named 'Electro-help' for more details. Click this link.
View it in 'Flip card' option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. It will make search easy. Some times, the ads attached with each posts, both at the right and bottom, might help you to find the availability of spare parts. There are more than 850 posts to different brand TVs now.

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Is the projector receiving a source signal? if not it will power itself down after whatever time you have it set to do so when no signal is present.
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1 Answer

My plasma tv has a red light flashing on the


You have to bad compacitors on the power board. They will be buldged on the top. Once replace you TV will live again. The parts will cost you about $4

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