Before 2 weeks the monitor was working but the brightness/ contrast was low not able to see anything when it is switched on . but gets brighter and fine over a period of 30-40 minutes . Yesterday, only the led was on ( status was not blinking 0 .but no display . iwaited for 5 minutes . but there was no response .suddenly i heard a tac sound and the led was also went off. pls guide me . so that i can change the parts .
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Video off may be sparking current of fly back or high tension voltage (Anode in 22400V) also need to check Ground cables from CRT Tube .
Need to check chaining resolution and H sync /V sync to low 60Hz
by display properties /Resolution section.
Reduce/increase brightness and contrast to check screen resizing when display bright white -there may be a fly back problem.
Also need to dry sold to remove burned lead joints of circuit board and nec board.
Disconnect the monitor signal cable from PC and switch on your monitor. It should show some logo with Red, Green and Blue colors with a message similar to "No signal". If so, your monitor is working fine. Sometimes if the brightness and contrast is set to zero using controls present in the monitor, it will not show up anything. check wheather somebody set your monitor brightness and contrast to zero. If so incease them. As a last try connect to different PC and check before approaching a service center. I hope this will help you out. :)
hello, please make sure the magicbrite option is not set to "dynamic contrast" as this will change the contrast levels by itself, change the settings by pressing the down arrow touch key on the monitor, change it to any other setting, game mode is blinding on my one (when the monitor works, but thats another story!!!) good luck with samsung customer care centre 0870SAMSUNG (uk)
Solution for this problem is to re-set the settings for color, contrast end brightness.
The have had a spontanious reset to 0.
Just go to custumsettings for picture: menu, picture,custom, customsettings and tune up the settings .