20 Most Recent Samsung SyncMaster 203B LCD Monitor Questions & Answers


Hi this is the way how to examine what's wrong with your LCD monitors. After you turned it on and the screen blacked out or stopped working, you have to check that if you can see the image on the screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image, there will be a minor problem. This is because of the lamps inside screen. Some of them were broken and it is very easy to replace. If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so. Hope this help!! If anything I can help you with, feel free to let me know.
Thank you,

Samsung... • Answered on Sep 12, 2019


This model is a great one and well worth repairing. The display problem you are having is caused by bad capacitors on the power supply board. To repair the unit you will need to replace 6 capacitors and one fuse on the board, this is very easy to do, it just requires a little soldering. Here is a picture of the power supply board with the capacitors and the fuse circled and here is a link to additional information on the capacitors needed.http://www.ccl-la.com/catalog/product_info.php?products_id=2299_7_2012_3_21_06_am.jpg

Samsung... • Answered on Jan 22, 2018


check the playback and other chips inside.. or try to change the setting menu the setting in your remote or manuall change

Samsung... • Answered on Aug 29, 2013


Hello,This is a typical symptom of a failure of the capacitors on the power supply board. When the filter capacitors go bad the power supply can not start up correctly so you get flickering or even no display. You can repair this unit by replacing the bad capacitors and a fuse on the power supply. This is an easy repair, it just requires a little soldering. Here is a lin to additional information on which capacitors need to be replace and also here is a picture of the power supply board with the capacitors and fuse circled.http://www.ccl-la.com/catalog/product_info.php?products_id=2299_7_2012_3_30_57_am.jpg

Samsung... • Answered on Sep 07, 2012


Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, 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://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Samsung... • Answered on Sep 07, 2012


Look for bad caps in the power supply.
http://s807.photobucket.com/albums/yy352/budm/Samsung%20203B/

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

Samsung... • Answered on Sep 07, 2012


Hello,The symptoms you have are very common on this model. The capacitors in the power supply are beginning to fail and as this happens they can not filter the power correctly and you get the flickering until the unit stabilizes. As time go by the issue will get worse until the unit fully dies. The repair is very easy, you will just need to replace 6 capacitors on the power supply board. Here is a link to additional information on repairing this model.http://www.ccl-la.com/catalog/product_info.php?products_id=229I hope this helps, BuddyMc

Samsung... • Answered on Sep 07, 2012


if their is a an power indicator in the front but with out a display or black screen, the cause it could be a busted back light or dry joint connector for inverter board for screen back light.

Samsung... • Answered on Aug 16, 2012

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