Question about Samsung LN-T4665F 46 in. LCD Television

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My Samsung TV (LNT4665FX/XAA) is not coming on. When you hit the power button the tv starts clicking like it is trying to come on but you never get a picture.

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G'Day!


I have over 10 years experience in electronic tech support.

I know this isn't what you want to hear, but the problem you've described can't be fixed with
troubleshooting. Your TV will have to be repaired. There is a part that has developed a defect and needs to be replaced. If you're still in warranty, the TV will be repaired at no charge to you. The warranty would likely be at least one year from the date of purchase from the manufacturer. If you purchased an extended service plan they will repair the TV at no charge as well.

If the TV is no longer in warranty, it will likely cost a minimum of $150 parts and labor. This is assuming that you only need one
circuit board or small part. If the problem is more than one of the circuit boards, the price of repair could go much higher.

I hope I've provided you useful assistance and that this information allows you to make an informed decision as to how to proceed from here. Please be sure to vote on my response. I hope I've earned a good rating from you today.

Please post a comment if you need further assistance so that I can help you further.

Posted on Jul 11, 2009

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I just contacted 800-SAMSUNG on the same problem. The operator was very courteous. She identified my TV as out of warranty, she checked on a list of "suspect" models and serial numbers, and then she asked me a few troubleshooting questions and again confirmed the symptoms. <br /><br />After that brief exchange, she set up a repair ticket. I had to agree that if the issue is "other than the capacitor issue" the repair is on me, otherwise it's on Samsung. I agreed to that condition (my TV, the LNT4665FX/XXA, MFG JAN 08, shows in virtually all on-line forums for this issue). I just need to get into their repair cue, which is a few days in my location. <br /><br />All in all, except for having the issue in the first place, you can't ask for more. Way to go SAMSUNG! <br /><br />(Thank goodness for forums and the internet. I'm sure the first customers who saw this problem had big hurdles to overcome).

Posted on Aug 20, 2010

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I fixed mine read this! My tv was a lnt-4556-fx/xaa which had problems turning on and off. it would eventually come on but this was after unplugging and plugging back in. after calling samsung they came out and replaced the capacitors and then whe whole power supply board. the issue remained. After looking for solutions i established it was the main board to be the problem because the red light in the lower corner of the tv was doing abnormal things. and the tv would not shut off properly. If the main board had not been an issue i would have replaced the tv's Tcon board. I fixed my tv with a new mother board! The board that is normally in this tv is a BN94-01199Q Main Board I instead bought a BN94-01518P because it was a board that also works for the tv according to shopjimmy.com where I bought it. Hope this helps anyone.

Posted on Aug 16, 2013

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Posted on Jan 02, 2017

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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.

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