Question about Samsung SyncMaster 940N Flat panel Monitor

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Shadowing I have had a SyncMaster 940N for some time and have recently changed my notebook to which the screen is connected. My problem is that I am now experiencing "shadowing" of the image and cannot find a solution to the problem. Any ideas?

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  • Goatie Apr 18, 2008

    How do you set user mode 9300?

  • Anonymous Nov 02, 2008

    suddenly got shadow on right hand side of monitor. Samsung SyncMaster 940N 17" flat TFT monitor

  • Anonymous Nov 02, 2008

    Shadow on Samsung SyncMaster 940N 17" TFT monitor

  • Data Mechanics
    Data Mechanics Jun 16, 2014

    how to factory reset ?

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Has a shadowing problem where everything on the screen was shadowing to the right. Did basic troubleshooting techniques and found that it was due to a loose connection to the computer. You may want to check this if resetting to factory settings doesn't help.

Posted on Mar 24, 2009

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Try to reset factory setting and keep your monitor user mode 9300

Posted on Apr 18, 2008

  • Data Mechanics
    Data Mechanics Jun 16, 2014

    Please say how to factory reset

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2 Answers

Hi. I have a samsung syncmaster 940n black. After i turn on my computer the screen if just black and the blue light(where i turn the monitor on) just blinks.It worked normally yesterday.


The most common problem with the 940N units is a failure of the power supply/back light inverter board. This is easy to repair be replacing 6 capacitors on the power supply. Here is a link to a repair guide with dis-assembly instructions and what to look for and replace and the power board.
http://www.ccl-la.com/blog/index.php/repairing-a-samsung-940n-with-a-blinking-power-light/
And here is the power supply board.



2_26_2012_5_57_53_pm.jpg


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

BuddyMc

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Your problem is usually caused by a bad power supply. You should be able to do the repair yourself, if just requires replacing 6 capacitors on the power supply board. Here is a link to a repair guide that shows how to disassemble the monitor and repair the power supply board.

http://www.ccl-la.com/blog/index.php/repairing-a-samsung-940n-with-a-blinking-power-light/

And here is the a picture of the power supply board.



2_26_2012_5_52_16_pm.jpg

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

BuddyMc

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It depends bad the parts are broken, this is 2007 model, you may have hard time getting replacement parts, details pictures will help.
http://s807.photobucket.com/home/budm/allalbums

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This is a known symptom of a failed power supply board. Here is a repair guide for this unit that shows how to dis-assemble the unit and then what to look for and replace to rebuilt the power supply board and bring the monitor back to life.

http://www.ccl-la.com/blog/index.php/repairing-a-samsung-940n-with-a-blinking-power-light/

And here is a picture of the power supply board.



2_26_2012_6_01_47_pm.jpg

I hope this helps you, if so please rate my solution.

BuddyMc

Mar 25, 2008 | Samsung SyncMaster 940N Flat panel Monitor

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