Question about Samsung SyncMaster 740N 17" LCD Monitor

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My SyncMaster 740n is stuck in power save mode. I have rebooted, unplugged power and vga chord...the thing was on and all of a sudden POOF it was black. The power light blinks every second or two.

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Zolio, Monitor most likely has "switch-mode-power-supply" problem!! click on blue highlighted "SyncMaster 740N" and read about similar BLACK SCREEN of DEATH failures and how to fix them!! Your monitor I suspect is no different than any other LCD with "cold-cathode-fluorescent-lamps" for backilghting that fail to light-up. You can even visit YOUTUBE for videos on fixing BSOD problems!! Also a ton of stuff here on FIXYA!!! Just read and follow some of the links!! you WILL find out about everything you DIDN'T know of HOW and WHY lcd monitors fail. And better still, LEARN how to do the repair work or contract out the work to a Technician or other monitor REFURBISHMENT depot. Have you tried SAMSUNG to do warranty work? If this response was of some help please rate on FIXYA . 12fixlouie

Posted on Nov 13, 2009

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Posted on Jan 02, 2017

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Click the link below to download the Schematic diagrams:
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Note: PDF manuals require the Adobe Acrobat Reader for viewing and printing.http://get.adobe.com/reader/

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I would inspect all the caps, if you find even one bulging top/leak you should replace them as a set.
See failed SAMSUNG here, use good caps, such as PANASONIC FM or FC series from DIGIKEY.
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
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Well in monitor you can do one thing - disconnect the monitor cable*(VGA Cable) from the tower and chk still if u have the same faint screen that means monitor gone bad if not than uninstall the Grapics Driver and shut down computer... if u have internet than restart and go to device manager ( Run - devmgmt.msc) under display adapter right click on grapics name and update driver.

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