Question about Samsung SYNCMASTER 943B 19" LCD Monitor
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Samsung monitor has "streaks"
LaurieEm posted a solution which seems to work for me (in addition to some other stuff, read my problem description) for this here http://www.fixya.com/users/laurieem
Try re-plugging your LCD monitor's VGA connection. It may be a case of corrosion on the pins or bad puggin of the cable. The problem is also reduced by using compressed air to blow out the cicuitry in the back of the monitor to remove dust. Both of these seem to work, and if you can't solve the problem totally with one, try the other one as well.
Posted on Jun 07, 2009
sounds like you might have a back lighting issue? take a flash light and shine it on the monitor when it is black and look to see if the image is there but not lit up, if this is the case then you might need to change the light balist in the monitor of even the back lights themselfs..
if the picture is fuzzy for a long period of time then you have a controler card issue there is a controler card in the monitor that changes the image coming in from HDMI, VGA, DVI into the binary that the vertical and horizontal drivers use to show you the image onthe screen... hope this info helps. good luck
Posted on Sep 02, 2009
I have just had this same problem. The problem mostlikely is a blown fuse on the inverter board. Mine was blown on the board and also a Capacitor (470nF/25V) was bad beside the Fuse.
I replaced both and monitor is working now again. After install the picture was a little grainy with little artifacts. In another post i found that the Power Supply board needs to be cleaned for unwanted residue. After that picture was fine again.
BEWARE that you need a soldering iron and a steady hand to replace these parts. If you are unfamiliar with soldering at all have an expert take a look at this. The Power boards uses 220v so DO NOT connect it to the Power when opened.
Posted on Dec 17, 2009
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