Question about Samsung SyncMaster 940MW 19" LCD Monitor

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Samsung hi my lcd tv samsung syncmaster 940 mw seems to not turn on any more ive changed the lead but it still dosent work before i just had to hold the channel up button for more than 5 mins but now not even the green light flashes on any more i was wondering if you could help me with this problem thanks

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  • Anonymous Nov 20, 2008

    Pulsandoelinterruptor de encendido del monitor Samsung SyncMaster 940 Mw nose enciende,necesitoelesquema de montaje paradesmontarlo y comprobar el interruptor.

  • byuwill Jan 20, 2009

    I am having the exact same problem -- I guess I will call Samsung and see what they can do for me

  • Anonymous Apr 02, 2009

    doesnt cut on, try disassembling and replacing the t3.15a250v sautered fuse, worked for me!

  • metalgear696 Apr 28, 2009

    i'm having the same god damn problem, whats the fix for this, i dont wanna sound stupid but i tried to take it apart and couldnt, i got all of the screws i could find and the damn thing wont separate. my tv is getting bad, i hit the power button and now the screen does some weird flashing thing and i dont even have a flashing green light like i used to, took me 2 hours yesterday to turn on my tv. i dont wanna buy a new tv though, i love this thing to death. 19 inches and this thing runs 1080p

  • lshap12 May 18, 2009

    Would you please give step by step on changing the power supply

  • Anonymous Mar 23, 2014

    Can I change the settings on the TV so that I auto skip passed numbers like 3-1, 3-2, etc. There is nothing on those channels and it's a drag to click passed them to get to normal/actual channels on TV.
    I have digital cable going to this TV - Samsung Syncmaster

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I have two of these, both of which were just dead. The back snaps off after the screws are removed and the power supply board is the small one with heat sinks and a number of vertically mounted electrolytic capacitors (cylindrical, maybe 1/2 inch in diameter, dark plastic covering, aluminum showing at the top). Some of the capacitors were bulged at the top which is always a bad sign. I decided to replace all of the capacitors in the area between the two heat sinks (six of them). The total cost from Digi-Key Electronics was under $9.00 including shipping.
820uF 25V (2)
1000uF 10V (2)
330uF 25V
330uF 10V
Get ones rated for 105 degrees centigrade.

Good as new!

Posted on Jun 20, 2009

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If you hit the power button do you get the green light then do it flash? if not power sply need to be shanged out vancebaldwin.com place to buy this part

Posted on Apr 19, 2009

  • jewel banks Apr 21, 2009

    IF YOU HIT THE POWER BUTTON DO THE GREEN LIGHT FLASH? IF SO AND STILL WONT POWER UP TRY HONDING IT DOWN BY HOLDING DOWN THE POWER BOTTON YOUR BYPASSING THE POWER UNIT POWER REG AND SHOULD POWER UP AFTER SOMETIMES A MIN OF HOLDING THE BUTTON IF NO POWER AFTER THAT GET A POWER SUPPLY UNIT VANCEBALDWIN.COM THEY ARE EAZY TO INSTALL JUST POP HIT ME BACK FOR STEP BY STEP INSTRUCTIONS HOW TO INSTALL.

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I took the advice of wa7utv and found two bulgded capacitors the 1000 uf 10v. Ordered them online from digi-key and replaced just the two. My TV now works like new!! Thank you to this website and the fine gentlemen that posted the advice! IT WORKED GREAT!!!

Posted on Sep 17, 2009

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I experience the same "power on" problem with mine, bought february 2007.

Just called the Dutch servicedesk of Samsung Electronics, just gave the serialnumber, next tuesday I will receive a new monitor.

Thumbs up this time for Samsung service

Posted on Sep 12, 2008

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