Comments on: Samsung LNT5265F LCD HDTV

By: AlexV

AlexV — Mon, 20 Jun 2011 22:27:40 +0000

I am the chief engineer for a large school district. We bought four of these and they are all dead because of bad electrolytic capacitors in the switching power supplies. Failure occurred in all these units around 1500 hours of operation.

By: Pat Keenan

Pat Keenan — Wed, 24 Nov 2010 16:12:32 +0000

Same purple dot problem with my LNT5265F. Must turn set on & off to correct. Just started yesterday 11-23-10

By: Jin Shroll

Jin Shroll — Tue, 19 Oct 2010 20:22:50 +0000

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By: John

John — Tue, 12 Oct 2010 20:38:40 +0000

Hi everyone,

My name is John and I work for a law firm that is investigating complaints of power supply issues with Samsung LCD and plasma TVs. We have spoken with several Samsung TV owners who have similar experiences to the ones described in this thread. If you would like to share your story with us to help with our investigation, please feel free to give me a call at the firm’s toll-free number (866) 981-4800 or email me at jwh [at] GirardGibbs [dot] com.

Thanks,

John

By: Deni

Deni — Mon, 20 Sep 2010 23:30:02 +0000

This is such an informative video…we fixed ours using this same method. We replaced 5 capacitors. We bought them at radio shack.Now it is like a new TV. Thanks Gonefishin09!!

By: Deni

Deni — Mon, 20 Sep 2010 23:24:43 +0000

We also had the same problem. After reading this my husband went and purchased new capacitors and supplies. We replaced them yesterday, took about 45 min. Tv started right up…good as new. Thanks so much for the great advice. TV comes on first try.

By: Robert Craig

Robert Craig — Sat, 11 Sep 2010 19:57:31 +0000

I had the same problem that everyone else had. The power would cycle on and off. It would turn on after a couple of minutes with purple dots on the screen. If I cycled the power again it the dots would disappear. I opened it up and found 2 of the 5 1000uf capacitors were starting to leak on the power supply. I went to radio shack and purchased 5 35v 1000uf capacitors and replaced all five capacitors. They are bigger but I got them to work. The TV now works good as new. No purple dots and it comes on again on the first try.

By: Travis

Travis — Sat, 21 Aug 2010 22:42:30 +0000

I want to see that pic please e-mail chex_mix222@yahoo.com

By: Travis

Travis — Sat, 21 Aug 2010 22:36:37 +0000

YES thats what I have and same problems too i’m racking my brain on this because everyone says its capacitors well I don’t see any blown so I would love to see that Pic!!!!! PLEASE!!!

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By: Samsung LN46C750 3D LCD HDTV

Samsung LN46C750 3D LCD HDTV — Tue, 15 Jun 2010 08:17:42 +0000

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By: Shane

Shane — Sat, 08 May 2010 15:26:15 +0000

I too, was experiencing similar problems with my TV taking longer and longer to turn on. The power light comes on and off and clicks during the process. It started with two boot cycles and then up to four before getting a picture. The other night the TV restarted during a program and would not come back with a picture. Turned the TV off for a few hours, but could not get a picture. The same the next morning. Took the TV apart and noticed two capacitors on the power supply were split across the “X” and three were buldging. All capacitors were (10V, 1000uf,, 105 degrees celcius. Replaced the five capacitors and the TV is working without any issues. Thanks for the advice. Total cost of repair $2.31 CND.

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By: David

David — Mon, 04 Jan 2010 23:18:07 +0000

There are some capacitors that need to be replaced. I resoldered in two of mine that looked bad with capacitors from Radio Shack that cost only a few dollars.

By: travis

travis — Mon, 28 Dec 2009 16:43:00 +0000

I have a samsung lnt5265f i purchased last june and takes longer and longer to turn on every passing day.Clicks on and off.Getting really frustrated,Can anyone tell me where to start,so i can fix this fine product!

By: GoPSR

GoPSR — Tue, 20 Oct 2009 01:05:16 +0000

Hey All,

The problems are with the start up and discharge 1000 Microfarad capacitors on your power supply. Open up the TV and I’ll be 3 to 5 of the capacitors are leaking. Check out this YouTube video to learn how to diagnose and replace those caps. This is courtesy of Gonefishin09.

Enjoy.

http://www.youtube.com/watch?v=Mm51C_RDIZE

By: Bill

Bill — Tue, 13 Oct 2009 23:04:34 +0000

David,
Great idea. I recently thought it would be nice to post a U Tube video. But, I do not foresee taking mine back apart to video the repair. I have to many other honey-do’s at at the moment.

By: David

David — Tue, 13 Oct 2009 15:54:57 +0000

Charlie, if you need help, let me know. I am thinking of putting together a manual to explain step by step how to do it, with pictures. I was a little afraid of the job, but it was easier than I thought.

By: Bill

Bill — Mon, 12 Oct 2009 21:11:26 +0000

FOLLOW UP.
Many, if not all issues have been resolved by replacing the caps, or replacing the power supply board.

One Poster discovered his TV with a similar problem. But the TV was a (Samsung HP-T4254). He found a poor solder at a transistor. Purchased a new card and found the same problem. He touched it up with a solder iron and back in business. The set would also click and not turn on. But, the board could be flexed, making contact with the transistor, and the set would turn on. This also eventually blew the transistor all together. If you experience this problem, let me know and I’ll send a pic showing the transistor location.

Poster can let me know if I translated the scope properly.

By: Bill

Bill — Mon, 12 Oct 2009 21:05:24 +0000

FOLLOW UP
While many, if not all, have the same power supply, have resolved the problem by replacing the caps, and some by replacing the power supply.

One poster had a different TV (Samsung HP-T4254)and found poor soldering on a transistor. The TV would turn on and off at times, specifically when the board was flexed. But would act the same while off by clicking without ever turning on. Let me know if you have this issue and I will email you a pic showing the transistor location.