Question about Samsung UA40D6000 40 inch Full HD 3D LED Multisystem Smart TV FOR 110-220 VOLTS

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Samsung tv turns off after a couple of seconds, then i try again and the same thing. Is it the power supply (PSU) or the Main Board?

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  • Nick Neil Apr 20, 2013

    The last thing I did was connect a second hard drive to the tv USB. To power it up, I used a double USB cable because only one USB port is dedicated for a hard drive (I think this why the Tv in now fauly). Disconnected the Hard drives but still faulty.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: how hard it is to replace by yourself main board Samsung LN-T4065

You need to do some more diagnosing of the problem. If you get sound and change channels take a bright flashlight and place it again the screen. Look for an image around the edge of the flashlight.
If you see an image that means the LCD controller board (TCON) is probably good.

The problem is probably one of three causes;
1) Inverter board is bad
2) CCFT (cold cathode fluorescent light) are bad.
3) Power to the inverter board is bad. You can also check the connectors.

Posted on Mar 30, 2009

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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

  • 2318 Answers

SOURCE: Samsung Power Supply Board

The power supply part number is BN44-00159A. You can also download the info from this link. It's the service manual.

Posted on Jul 17, 2009

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SOURCE: Which Replacement Power Board for LNT4665F Samsung LCD TV?

Howdy,
It would be a lot cheaper if you just replace the two caps that have gone bad. Just get a cheap solder pencil from the store and about an inch of solder and you are in business.
The Power Supply Board 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 CM852 & CM853; 2200ufd 25volts.

Thaks for using FIXYA, BIG IRISH.

Posted on Jan 02, 2010

bshldn
  • 736 Answers

SOURCE: I have Samsung UN46B8000XFXZA LED TV. After power

Yes based on your testing it appears that the power supply is at fault solely and you can opt to attempt a repair or replace it altogether. Unfortunately you will not be certain that the main board does not also need to be replaced until you have repaired the power supply.

Posted on Feb 05, 2011

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Tv turns on for 10 seconds and then turns off. Then a red flashing blinks 6 times and repeats


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Jan 19, 2016 | Televison & Video

1 Answer

I have a 58 inch Sanyo flat screen TV, I turn it on everything works fine, shuts down in about 10 minutes! Sound stays on though. If I shut it off and turn it back on it does the same thing!


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Dec 17, 2015 | Televison & Video

1 Answer

What causes my Samsung TV to turn on and off by it self


I was having problem with the TV freezing up vertical lines and shutting off then restarting and doing it all over again over and over and over , I realized that if I took the back off the TV I no longer had this problem?realizing that the processor was overheating...
I installed a tiny computer fan using the USB 5 volts as a power supply, this fix the problem. Good luck

Nov 20, 2015 | Samsung Televison & Video

1 Answer

Samsung dnie tv wont turn on. We had a power out last night and since then the samsung would not turn on. The red light for the power comes on, but the screen is black....


Had this happen with a power outage also a couple months ago. Call your insurance person and get them to write it off. I had a guy try to fix it - put in a $300 main board and it works again, but now it has vertical white lines on the display. I think it is deteriorating from the other damage it took. I think the best thing is to get the insurance person to write it off and get another TV. You will reduce headaches in the long run.

Oct 16, 2010 | Samsung DLP HL-P5663W 56" TV

2 Answers

MY TV HAS NO POWER I CHECKED THE FUSE IT SEEMS


hello have you checked the glass fuse inside the tv it will be in the power supply beware if replace the and blows again the you have a dead short circuit

regards
shaun

Apr 09, 2010 | Samsung HCN4226W 42" Rear Projection...

1 Answer

I just replaced the lamp on my samsung HL-P5063W (DLP TV)...now the TV will not turn on (no picture...but I do get sound)...when I plug it in, it automatically starts to power on...then it starts making...


Sounds like a bad color wheel. Generally when the color wheel goes bad, when you try and turn the TV on the lamp will ignite for a couple seconds and then turn off. It also makes a rather high pitch squealing noise.

www.Partstore.com should carry a replacement color wheel for your TV

Sep 07, 2009 | Samsung HL-P5063W 50" Rear Projection HDTV

2 Answers

Samsung 61" HDT5087S/HL


How old is the unit?
ever replaced the lamp?
Sounds like a major power supply failure
Hope you are under warranty
Samsung has lots of problems with this technology
Here is their phone for executive customer relations: 1-800-522-7341

Dec 30, 2007 | Samsung HLN617W 61" Rear Projection HDTV

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