Question about Samsung SyncMaster 540N 15" LCD Monitor

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I have SAMSUNG SYNC MASTER 540N MONITOR. THE PROBLEM IS THAT WHEN I TURN ON COMPUTER THE DISPLAY COME AFTER 5-10 MIN. But after some days display is not coming at all and monitor turn on/off button is blinking with blue light. WHAT IS THE PROBLEM? KINDLY HELP ME

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Try it with another PC and also check the VGA cable, if it still does not work, you will have to ope it up and do in-depth troublshooting.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), 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.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you

Posted on Nov 03, 2010

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Posted on Jan 02, 2017

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valeantudor
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SOURCE: I have SAMSUNG SYNC MASTER 540N MONITOR. THE

It comes on only at the login page, right?

Posted on Oct 07, 2010

budmrtn
  • 11361 Answers

SOURCE: I have SAMSUNG SYNC MASTER

It has dying power supply due to bad caps with leaking/bulging tops, that will be the first place to look.
Service manuals: http://elektrotanya.com/?q=showresult&megnev=samsung&megnev2=540&kategoria=monitor&kat2=all


http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague

Posted on Oct 10, 2010

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