Question about Samsung Syncmaster 730B 17" Flat Panel LCD Monitor

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My syncmaster 730b isn't showing anything and am wondering what the problem is power light is just flashing green

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It does the same on another PC? Video cable is good?
If it is monitor, then look for bad caps as hsown here:
http://s807.photobucket.com/albums/yy352/budm/Samsung%20730B/

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Posted on Jan 04, 2011

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Posted on Jan 02, 2017

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My samsung 730b monitor has gone dark. is there a reset or fuse that can be replaced?


this is probably a fault with the internal power supply or the backlight inside of the monitor. in certain Samsung monitors the capacitors go bad in the power supply, these can be replaced by re-soldering identical ones to the power board, which is fairly easy to do if you know how to solder. if that isn't the problem, the back lights have gone bad, which is very dificuly and probably expensive to replace. However, the monitor could be fine and you could have just altered the brightness/contrast or some other settings in the menu on the monitor itself, you could try selecting the factory reset option if it has one. Another thing that could go wrong is if someone has messed with the display calibration settings on the computer itself (unlikely).

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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 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

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Most failure in LCD monitors are due to cheaply made caps being use. If you are going to DIY repair, please read below, or if you are going to have it fixed then at least you will know if you are being ripoff or not.
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 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

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You need a fluorescent back light and inverter kit. Available on eBay.

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try to check your screen resolution maybe not compatible to your System. if green flashing there no signal from cpu to VGA cable monitor.

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