Question about Samsung LN-T4671F 46 in. LCD Television

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Samsung LNT4671f click on click off for 2-5 minutes

Click on click off click on click off for 2-5 minutes. I Called samsung and they say they have never heard of this for a LNT4671F. Okay I am the first person in the whole world. I told them to have a look on the internet and open their eyes, they have a problem and are not addressing it! I have a possible solution for everybody to try. I talked to my friends brother in law who owns a tv repair shop. He told me to unplugg the tv overnight. I did and in the morning I tuned it on and the same thing happened. I turned it off and went to work. My wife calls me and tells me that the tv now has no picture. Now I am pissed and started looking in the best buy catalog at work. When I get home the tv is on but no picture, so I unplug it and plug it back in and guess what? The tv does not power cycle anymore, so far. Maybe unplugging it overnight clears something. Anyway worked for me sofar we will see good luck.

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  • ctaz4 Sep 11, 2009

    follow up, I take that last part back. It worked for one day and its back to normal click on click off. Also haven't heard from samsung yet.



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Hi my name is Eric,
I hope I can help you with your issue ,
The TV not starting properly you should hear the tone noise (bleep bleep) not a ticking noise or no sound .
These Samsung LCDs have problems with the power supply capacitors going bad, a servicer will charge between $200 and $450 to repair it replacing either the capacitors or the whole board.
here is a DIY (do it yourself) solution:
It could be just a few bad capacitors on the power supply, if you want to attempt the repair yourself you can do a visual of the power board caps will appear swollen on to.
We do not recommend do it yourself, but depending on your knowledge and technical ability you may be able to.
with the back removed you will usually see two circuit boards the upper one is the power supply, it has a few capacitors on it (cylindrical standing straight up soldered in mark on the sides with the positive/negative sides and MF and Volts values)
Samsung uses mostly 1000Mfd at 16Volts rating capacitors, they cost about $1 each (680mfd will also work fine)
usually I replace about four of them (or all the bulged on top ones) .
The power board and back unscrew with a medium philips screwdriver, if you do not know how to desolder and resolder then do not attempt this as you may damage the TV more than fix it.
Im am posting a photo of some swollen caps on a board so you know what they look like;
best of luck to you
Hope this helps, if it has solved your issue please click accept
But if you have more questions please respond and I will reply asap

Posted on Sep 07, 2009

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I was having a similar issue with the 4671 among other problems with my entire living room setup. i went in yesterday and unplugged everything and started from scratch. took care of all the little issues i was having. it is my opinion that it was the power surge strip that was the issue. i moved the 4671 off of a protected outlet to a non protected one. i do not like the ideal of not having on a protected circuit, but i need to follow up on maybe replacing the strip. it was a higher end unit that i believe had a multiple year warranty. need to find the paper work for it.

Posted on Oct 05, 2009

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Next time take a service plan on your tv and get it at bestbuy they totally fixed the problem for me i got a new tv for free.

Posted on Dec 08, 2009

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1 Answer

Samsung LNT4671F 46" HDTV

If you wish to get some details; check the site linked here. Pull up older posts.
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

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Hello, my parents bought a Samsung LNT4671F 46-Inch 1080p 120Hz LCD TV about two years ago unfortunately me and my brother cracked the screen about 3 months after we have not fixed it. Me and my brother...

It is beyond any reasonable repair---screen unit is called a display panel and the most expensive part in the set---cost of this would (just the part) be more than a brand new set.

Let it go, some people do sell sets damaged like this on EBAY for parts.....

Dec 10, 2012 | Samsung LN-T4671F 46 in. LCD Television

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When turning the tv on, it clicks on and off 5 or 6 times before staying on. Does the same when turning off.

The tv power supply board have problems,like ingaging and dis ingaging inside of the tv,that the board where the power tv a/c cord plug into it.Tries websites lke, to buy a whole refurbish tv power supply board for the replacement.

Aug 30, 2011 | Samsung LN-T4671F 46 in. LCD Television

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My Samsung TV 46" LNT4671F

This is due to low voltage getting to the Inverter board or the Inverter board on the bad side is not lighting the lamps. Usually bad capacitors or the power supply and the inverter will cause this symptom. You may want to replace both inverters boards on this model, new models have one inverter board for both sides of the backlight.

Nov 10, 2010 | Samsung Televison & Video

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I have a Samsung TV Model # LNT 4671FB. I need the circuit board part # that controls the ON/OFF switch.

Encompass Parts Distrbution has what you are looking for
1-800-638-3328 Go to their website and type in your model #LNT4671F They are listing free service manual and Parts/Prices.

Aug 28, 2010 | Samsung Televison & Video

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Is there a clicking sound? Unplug the power cord for 20 seconds and see if this helps reset the circuitry. If the clicking continues, go to If you can see defective caps on the power board and don't feel comfortable replacing, parts can be ordered at

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Pitcure turns off after one minute

Hi,do you hear any strange noises? If you hear clicking or like wanting to turn on it could be the board that powers the lamp it's called the ballast.Here's the instructions to replace it : But if you don't hear any strange noises,tv is around 6000 hrs,2-4 yrs it could be time to replace the lamp.The lamp you need is BP9600826A you can find it here: .Have a blessed one!

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I have the exact problem with my Samsung HLR5678W. I called Samsung and they don't even know what it is. Anyone find anything out?

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16:9 on my lnt4671f change the setting?

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Oct 01, 2009 | Samsung LN-T4671F 46 in. LCD Television

2 Answers

When I turn my LNT4671F on, it has a clicking noise for about 30 seconds and then it comes on. Any troublshooting ideas?

It sounds like you have a Power Supply Board problem. The PSB is the center Board (towards left) after you remove the back off the TV. Remove Board from TV with the 6-7 screws. Replace capacitors CM811, CM812, CM817 & CS806; 1000ufd 25volts.

Good Luck, Big IRISH.

Sep 08, 2009 | Samsung LN-T4671F 46 in. LCD Television

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