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Have LN-T5271F. I have replaced with new power supply and capacitors board. When first turned on, will stay on for 5 minutes. Then turns off and trys to restart over and over. Finally will come back on for about 10 seconds, then goes off again and starts the whole cycle over again. Could it be the video or main board?

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  • Televison & ... Master
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It sounds that you haven't checked the output voltages of the newly replaced power supply, after replacement. It should be done after a replacement. If you wish to get more details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window.

Posted on Oct 22, 2013

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Posted on Jan 02, 2017

lukster
  • 217 Answers

SOURCE: Turns off by itself 10 minutes after use, and goes on and off

sounds like a main board problem

Posted on Apr 30, 2007

  • 133 Answers

SOURCE: Screen goes completely out.

when it blanks out, tuen the lights out in the room, and shine a flash light at the screen, see if you can see the picture, if you can, it is the inverter moard blamking out, thats the board that lights the back lights, if you cant, hit the input button on the remote, if the TV comes back with a picture, it is a problem with the main board, in paticular the componant input on the main board

Posted on Jan 10, 2009

a1electronic
  • 30 Answers

SOURCE: power supply is bad on philips plasma 50 inch tv, it just clicks

nice job... thats the most common problem with all LCD tv's now

Posted on Jul 21, 2009

  • 8457 Answers

SOURCE: plasma 50 inches dont turn on

The power supply board is dead.Tries the websites like Shopjimmy.com,Ebay.com to buy the refurbish power supply board for the replacement.

Posted on Jun 22, 2010

SOURCE: I have a Samsung LCD (LN-T5271F) about 2 years old

Call Samung customer service, they are doing this repair for free. I had the same problem at 11 months, they replaced the power supply board under warranty. At 2 years I had the exact same problem again and this time they replaced 2 - 50 cent capacitors on the power supply board. It took the repair man less than an hour and he had the replacement capacitors on hand. The original board and the replacement board they gave me had capacitors that were faulty. Hopefully these new capacitors will last. I have to say that I was thinking (no more samsung products for me) but I got excellent customer service and they admit that they had a faulty product and they accepted responsibility.

Posted on Jul 21, 2010

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2 Answers

My Samsung T5271F is taking about 5 minutes to turn on. The tv just makes a clicking sound and the power light keeps flashing until it finally turns on.


You have failing capacitors on the power supply board. This is a very common issue with these and others. If you know how to test capacitors and solder its not that tough to repair. Or you can just replace the power supply board which is part number BN44-00184A and runs around $100. You can purchase the board at many places on line. Just do a search in Google with the part number,,,,Good luck

Sep 18, 2010 | Samsung LN-T5271F 52 in. LCD Television

1 Answer

I have a Samsung flat panel television, model #LN-T4042H. When I turn the tv on, it sounds like it is turning itself off and on repeatedly for more than 5 minutes before I finally hear the beeps that...


Take ur tv aparts.The power supply board is the board that ur power A/C power cord go into it.U know basic electronic.U have soldering iron,know soldering,and solders?Check all around the power supply board.Look all around the power supply board,check and see find any defective gases leakage capacitors.These dead capacitors alway have bulges or fuff up it top.Replaced these dead gases lekage capacitors will solved ur power problems.Or tries Websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

May 11, 2010 | Samsung LN-T4042H 40 in. LCD HDTV

3 Answers

I have a Samsung LCD (LN-T5271F) about 2 years old and lately when I turn it on, it clicks on and off several times before it actually stays and the tv comes onI have a Samsung LCD (LN-T5271F) about 2...


Call Samung customer service, they are doing this repair for free. I had the same problem at 11 months, they replaced the power supply board under warranty. At 2 years I had the exact same problem again and this time they replaced 2 - 50 cent capacitors on the power supply board. It took the repair man less than an hour and he had the replacement capacitors on hand. The original board and the replacement board they gave me had capacitors that were faulty. Hopefully these new capacitors will last. I have to say that I was thinking (no more samsung products for me) but I got excellent customer service and they admit that they had a faulty product and they accepted responsibility.

Apr 26, 2010 | Samsung LN-T5271F 52 in. LCD Television

1 Answer

Samsung TV now takes over 30min to come on


There are a number of Capacitors on the IP/Power supply bd and they have gone bad. Replaced them with the proper Capacitance as the old ones are BUT get the 35 volt Caps. Going from 10v to 35v will fix this problem.

Apr 14, 2010 | Samsung LN-T5271F 52 in. LCD Television

3 Answers

Power on problem


replace +5vdc out capacitor two 2200uF 10v and 47uF50v with top quality capacitor. u save $400. other than this samsung is OK

Jun 27, 2009 | Samsung LN-T5271F 52 in. LCD Television

2 Answers

Samsung power-up problem


two 2200uF capacitor, two 1000uF capacitors on powersupply board.
Replace it! you will save $300.

Jun 19, 2009 | Samsung LN-T5271F 52 in. LCD Television

1 Answer

POWER UP PROBLEM


Replace two 2200uF and two 1000uF capacitors on powersupply board.
It will work and save least $300. happy?

May 28, 2009 | Samsung LN-T5271F 52 in. LCD Television

1 Answer

Takes awhile for tv to come on!


Hello Ruben,
This type of failure is common on these TVs. The power supply might need to be replaced due to bulging capacitors. If you are able to replaced the capacitors, it is a cheaper alternative.
Check the link below to find service parts.

Jun 12, 2017 | Televison & Video

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