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Samsung 46'' HDTV makes clicking noise when you try to turn it on

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Main power board possibly

Posted on Apr 26, 2010

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Posted on Jan 02, 2017

SOURCE: won't turn on makes clicking noise

This is a classic switchmode power supply, shutting down to avoid a fire, explosion, or both. This set had developed a problem, that is so severe that the set must be shut down, This set should be removed from the Power, and in my professional recommendation, you should get a "Quote" for repair, from, an Akai, Approved Service Center, this point is very important for a good result, Always contact, their local, "Head Office" Now, when you get the information you want, then you can decide as to repair of replacement. The reason we want an approved agent, is that way, all the engineers are trained on their own brand sets, they have seen almost all faults, and will get the job done quicker, and for less cost, and usually have parts on hand, also sometimes, there has been a service bulletin in issued and the repair may be subsided or even free.
http://www.retrevo.com/support/Samsung-HP-R4262-TVs-manual/id/275dj896/t/2/ Above is your user manual, below is your service and repair manual. http://www.scribd.com/doc/3997084/Sony-Service-Manual-TV-KV36XBR450-Chassis-DX1A
Really, with something under a year old MUST be covered by a merchantability cover. A unit such as this can reasonably be expected to last more than 8 months of use, even if on 24/7. In my professional opinion, you should return the unit, and demand that it be repaired, better yet replaced. This really is unacceptable. You need to contact a head office, and relate this all to them, Consumer Guarantees Act, gives you this right of redress, and the supplier must remedy NOT the manufacturer.

Posted on Jun 07, 2010

  • 14 Answers

SOURCE: my samsung 46 inch lcd

replace 1000uf caps on psu panel may also need new eprom

Posted on Aug 17, 2010

  • 12 Answers

SOURCE: Samsung LNT4661FX/XAA 46 in. HDTV LCD Television -

Got to Samsung's support site and fill out a request:
http://www.samsung.com/us/support/service/request

You will be contacted by your regional repair center. I'm located in Milwaukee, WI and was contacted by a repair center in Elgin, IL, which is 60 miles away.

The regional center said they think it probably is a electrolytic capacitor issues, as multiple models of Samsung LCD's have this issue. They have defective (too low voltage) capacitors which will eventually give out. Unfortunately he said my model was not on the list they have for a free fix. He gave me the number to Samsung's Executive Customer Relations department, which I then called immediately. The woman there checked and found that my model indeed was covered - she updated the Support Request, and instructed me to call back the regional repair center.

I called back the regional repair center (immediately after finsihing with the ECR) and got a different person on the phone, and gave them my ticket number from my original request. He said since ECR updated it stating my model was covered they would fix it for free. If it's not the capacitors that are causing the problem I will be charged a 150$ fee, plus any parts required to fix the TV. I agreed to that since my local TV repair quoted me 200$ to fix the capacitor issue alone.

Today is January 25th, they have me scheduled to have a repair tech come to my place January 7th to do the repair.

You can fix the capacitors yourself for very cheap, maybe 20-30 bucks if you don't have anything: soldering gun/solder/flux/capacitors/etc...

I'd just go through the service request path, get it fixed for free and have a professional do it. Total time for me was 2 minutes for the service request, 10 minutes on phone for regional repair center, 10 minutes for ECR, 5 minutes for regional again. The repair is expected to take 15 minutes - most likely they'll just swap out the entire power supply board rather than the individual capacitors. Basically 1 hour of time to save minimally 150-250 dollars. I bet not many people asking to fix this make 150 bucks an hour...pretty simple math I think.
-Ryan

Posted on Jan 25, 2011

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I went to turn on my Samsung a little bit ago, which was working earlier today, and now it won't turn on and is making a clicking noise. The noise does not stop until 10 seconds after I unplug it...


The tv power supply board it got short and already dead some how,tv have clicking noises mean ur tv power supply board are not stable and not regulating high voltages to the rest of the tv other boards.The tv power supply board that the board where the a/c power cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv power supply board for the replacement.

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Capacitors are bad on the power supply board, they will probably looked bulged at the top. I've enclosed an example.
crikett_20.jpg

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Replace any swollen capacitors on the poer board.

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The clicking noise is caused by the relays on the power supply board trying to power up the system. Your TV has detected a problem that's causing the power supply to shutdown. Someone knowledgeable in electronics can track down the problem. The SOURCE of the problem could be another board other the power supply.

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