Question about Samsung LN-T4661F 46 in. LCD HDTV

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Samsung flatscreen turns on but screen does nothing. HELP please.

I just got this tv from a friend and it did not come with the ID label, so the Model stated above is my best guess. It has HDTV capabilities. I measured the screen and it is 45" 9/10th as any 46" Samsung is. It appears that everything works except for the screen. The screen has no visible cracks. Power up sound and power down sound works when turned on and off. Source button and menu do not change anything on the screen. All indicator lights light up properly. How do I fix it?

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  • 124 Answers

Check the internet. Most likely a series of cheap capacitors. Replace them all (the ones that match the culprit). ~.20 each US.

Posted on May 30, 2017

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Posted on Jan 02, 2017

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SOURCE: Samsung LTN1765 has blinking green power indicator, but no picture or sound

Try replacing C51, a 10 microfarad 16v. surface mount electrolytic. It's near IC23 on the upper center of the board.
This part had high ESR on a couple of sets I serviced which
kept the power supply from starting.

Posted on May 10, 2008

  • 1 Answer

SOURCE: No Picture - Samsung LN-S4692D 46in HDTV LCD

I had the same problem and I replaced the t-con board. My t.v. is fixed!!!! I just couldn't see spending another 700.00 dollars for a repair shop to fix it. The t-con board is located at the top of the t.v. once you remove the back cover. Be very careful removing the two plugs at the top of the board which was easy once I figured out how the clips worked. there is a black lever like connection which flips up, then grip with your fingers the tab and slide the tape like wires straight out. The bottom plug is very simple. Also to expose the t-con board you will have to remove a heat shield cover. Once removed there is foil looking tape that needs to be peeled back to expose the board. The board is very sensitive to static electricity so if you have a grounding strap that you can strap to your wrist and ground to the frame while performing your repair. Its best to lay the t.v. face down on the kitchen table with a blanket to protect the screen. Good luck!

Posted on Sep 07, 2008

  • 53 Answers

SOURCE: samsung 46 '' HDTV 1080P --------no sound

what is the complete model number of your tv?
does the volume control display pop up with a headphone or speaker sound on tv mode?

Posted on Mar 20, 2009

  • 10865 Answers

SOURCE: i have a samsung hp

When the power was restored you suffered a power surge. Anything plugged in that did not have a surge protector was at risk. plasma tv's are especially susceptible to this. You will have to take this in to a tv repair shop for an estimate.
If the estimate is over 200 you may want to consider a replacement. Also purchase a surge protector so this doesn't happen again. Regards, Joe

Posted on Feb 23, 2010

  • 6 Answers

SOURCE: Samsung LTP227W

Usually the power supply is bad. Just 3 capacitors 1000uF 35volt rating. The 3 electrolytic caps will be puffed out, simply replace tham and you will be back in business.

Posted on May 22, 2010

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