Question about Samsung SyncMaster 2493HM Monitor
Sorry for my bad english but i´ll try to help you because i´ve got the same monitor. You must check the power source there is a problem with the glue you must clean it from the components with the time it becomes conductive. Check the capacitor from the inverter source if you can chage the capacitors by about equal. When you asemble it again don´t foget the protective plastic because it may cause a short.
Posted on Dec 06, 2014
The snapping sound can be from high voltage arcs over or open lamp circuits, check the connectors for the lamp on the circuit board.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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 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.
Posted on May 14, 2010
Zdenardi, Good description of problem but you left out two or three important things to tell us!!! 1. Age of unit 2. Is unit covered by Samsung warranty? 3. Approximate total "ON" hours of use has unit seen. Aynway, you or a qualified "cold-cathode-fluorescent-lamp back-lit lcd monitor" technician will need to troubleshoot the units switch-mode-power-supply/ccfl inverter" circuits to determine reason ccf lamps won't "turn-on"!!! Just read my fixya profiles (louie12fix, 12fixlouie) or those of "buddymc" and "budmrtn" for info that will determine if you will fix unit or contract out the repair. You need to know that your symptom is called "black screen" or "blank n black screen" and will only get worse. Just do some free reading on fixya and follow the links you find to other sites. Good luck with the repair. 12fixlouie
Posted on May 12, 2010
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Posted on Jan 02, 2017
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