Question about Samsung SyncMaster 940MW 19 in. LCD Television

3 Answers

Syncmaster 940mw , there is no power

It will not turn on, the LED light indicating that the monitor is on does not come on. how do fix this? I have checked the cable and it is fine. may be the on/off switch. The remote does not turn the monitor either

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  • Anonymous Mar 07, 2009

    i have the same problem :(

  • Mitch Valdez Mar 19, 2009

    Yep, mine is doing the same thing. The problems started with me having to push the power button over and over until the green light stayed on, but now the monitor won't even power on at all...

  • Anonymous Apr 06, 2009

    after 4 years, now i start having the same problem. It is still working thought, but i have to repeatedly pushing the power button.

  • joemobility Apr 15, 2009

    yep...same thing here. What I did notice in the past was I would unplug it, wait 10-15 seconds and then plug it back in. I would watch the green power lite blink 1 time. Then I could power on the TV. If I don't get the single blink, then the TV won't power on. This is where I am now. I will l eave it unplugged for over a day...when I plug it in, no blink and no power on. I've try outlets in the room.



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Hiya, not sure if you've sorted the problem or not. But my father is an experienced TV engineer and he had a look at my monitor, with the exact same problem as you.

Where green power light either does not come on or it doesn't go 'solid' so therefore the monitor does not switch on. And I must keep trying until it goes blank for it to work!

He said it's the Capacitor which is not functioning properly and just needs replaceing. And that in future, it is recommended to never leave the monitor on standby, as these problems may occur again..

Posted on Sep 20, 2009

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I have the same problem. I dismantled it, and there are broken/exploded capacitors on the power panel. If you replace these, it will fix the problem.

Posted on Apr 17, 2009

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  • Samsung Master
  • 1,684 Answers

Hello,

The Samsung SyncMaster 940MW monitor has an issue with the power supply going out. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: tech@ccl-la.com

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

Posted on Jan 19, 2010

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Hello,

The Samsung 940MW Monitor/TV units have a known issue with the power supply, as do many LCD monitors. The problem is heat buildup in the case causes parts called capacitors to overheat and blow out, killing the power supply. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: tech@ccl-la.com

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This type problem is usually caused by a failure in the power supply board. If you can solder then you should be able to do the repair yourself. Check out this article on our web site about repairing the 940MW at: http://www.ccl-la.com/blog/index.php/repairing-the-samsung-940mw-lcd-tv/ If you don't want to do the repair yourself then we do offer a repair service on this model for $35 plus return shipping. You can get this setup at: http://www.ccl-la.com/blog/index.php/service-request-form/

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Hello,

The power-up problem you are having is usually caused by a failing power supply board. There are parts called capacitors that will exhibit this type of problem until they are warmed up. As time goes but after they start failing they will take longer and longer for the power supply to stabilize before you get a picture. If you can solder then you should be able to do the repair yourself. We have a step by step repair guide that should get you going posted on our site at: http://www.ccl-la.com/blog/index.php/repairing-the-samsung-940mw-lcd-tv/ If you don't want to do the repair yourself, we do offer a repair service for this model. The repair runs $35 plus shipping and can be setup at: http://www.ccl-la.com/blog/index.php/service-request-form/

I hope this helps, if so please rate our solution.

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Hello,

The Samsung SyncMaster 940MW monitor has an issue with the power supply going out. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: tech@ccl-la.com

I hope this helps, if so please rate our solution.

Buddy
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www.ccl-la.com

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Hello,

The Samsung SyncMaster 940MW monitor has an issue with the power supply going out. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com Look on the monitor repair page 2. We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: tech@ccl-la.com

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
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Hello,

The Samsung SyncMaster 940MW monitor has an issue with the power supply # IP-46135T going out. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: tech@ccl-la.com

I hope this helps, if so please rate our solution.

Buddy
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