Question about Samsung 226BW Monitor
I have had a samsung syncmaster 245b for about 3 years now. At some point it started showing small artifacts on the screen but these would always go away upon turning the screen off and on again right away.
Yesterday while working on it (hooked up to my Thinkpad docking station buildin DVI port) it suddenly went black. Power LED still seems to work normally and Win7 still seems to detect the screen. The screen doesn't flicker, it never did, its just black. I oppened it up to look for bulged caps but I see none :( Please, any advice on what could be wrong and how to fix it would be much obliged :)
First, the caps can look OK but they can have high ESR (http://s807.photobucket.com/albums/yy352/budm/Bad%20capacitors/)
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed SAMSUNG monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://elektrotanya.com/?q=showresult&megnev=SAMSUNG megnev2 =% 20 & 245B & Category = & kat2 = all
Posted on Jun 06, 2010
Eyeland_elec, Follow the lead of "budmrtn"!! He is in the top 5 -6 lcd monitor tech's out of hundreds that are here on fixya. If you would have noted and told us the manufacturer's name printed on the side of the electrolytic filter capacitors we might be able to tell you "right off the bat" to get new ones and install them. One more hint. If possible, document your unit "tear-down" with close-up digital pics so you can make assembly work a bit easier. If you see "CapXon" on any caps, all I can say is good luck. 12fixlouie
Posted on Jun 09, 2010
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Posted on Jan 02, 2017
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